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    Wyświetlanie 1-32 z 32
    Tytuł:
    Comparing avifaunal diversity around Pench Tiger Reserve, Maharashtra and Madhya Pradesh
    Autorzy:
    Mondal, Sonia
    Bhattacharyya, Suman
    Powiązania:
    https://bibliotekanauki.pl/articles/1193633.pdf
    Data publikacji:
    2017
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Avifauna
    Biodiversity indices
    Habitat alterations
    Habitat heterogeneity
    Species abundance
    Opis:
    Large tracts of natural habitat are being readily replaced by urban sprawl worldwide. We have limited knowledge about the anthropogenic activities on native species in these ecological regions. Human intervention has led to conversion of much of the global diversity by means of habitat alterations. Our conservation methods are also suffering from those superficial strategies. The present study was carried out to investigate the importance of habitat heterogeneity for the diversity, distribution and abundance of avifauna in and around Pench Tiger Reserve. In February 2014, a total of 79 bird species were recorded during the study period, applying the modified point count method. We compared species abundance and richness in Pench Tiger Reserve, considering four zones as metacommunity. Avifaunal community was distributed among Kolitmara (Western Pench, Maharashtra), Sillari (Maharashtra), Mansinghdeo (Maharashtra) and Seoni, Pench (Madhya Pradesh). Site specific biodiversity indices reflect the occurrence pattern of avifauna. Shannon – Wiener and Species diversity Index scored highest (9.56 and 1.78 respectively) in Mansinghdeo Wildlife Sanctuary. But species dominance was found high (0.62) in and around Sillari. Study areas with dense canopy closure were found to have more habitat specialist bird species, while areas having human settlements showed more opportunistic ones. An overall negative impact of human settlements on avian diversity, distribution and abundance was evidenced from the present study but more intensive study is needed to infer on the dynamics. Moreover, intensive studies may enrich us about avian diversity and distribution pattern of the study zone.
    Źródło:
    World Scientific News; 2017, 71; 182-190
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Ground beetle communities found in the suburbs of oil wells of oil fields in Khoiniki district (Republic of Belarus)
    Zgrupowania biegaczowatych w pobliżu szybów naftowych w rejonie chojnickim (Białoruś)
    Autorzy:
    Halinouski, Mikalai
    Potapov, Dmitry
    Averin, Viktor
    Demidenko, Oleg
    Powiązania:
    https://bibliotekanauki.pl/articles/27322937.pdf
    Data publikacji:
    2021
    Wydawca:
    Uniwersytet Pomorski w Słupsku
    Tematy:
    Coleoptera
    Carabidae
    oil wells
    species abundance
    hygropreferendum
    biopreferendum
    life forms
    Opis:
    Ground beetle communities found in the suburbs of wells of three oil fields of Khoiniki district (Republic of Belarus) were studied in the research carried out. These deposits are in the forest area. This research drew out that there is a growth in the number of species composition and abundance of ground beetles (Carabidae) in the exclusion zone due to the anthropogenic transformation of forest ecosystems. At the same time there is a reduction in representation in ground beetle communities of forest species in favor of meadow and field species to their total disappearance. The reduction occurs together with the growth of species abundance and number.
    Źródło:
    Baltic Coastal Zone. Journal of Ecology and Protection of the Coastline; 2021, 25; 61-70
    1643-0115
    Pojawia się w:
    Baltic Coastal Zone. Journal of Ecology and Protection of the Coastline
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of climate change on the population of butterfly families - species richness, abundance and species composition across the different seasons of the year in Kalaburagi, Karnataka, India
    Autorzy:
    Saraf, Kavya K.
    Vijaykumar, Katepaga
    Powiązania:
    https://bibliotekanauki.pl/articles/1031267.pdf
    Data publikacji:
    2021
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Abundance
    Butterflies
    Climate Change
    Hesperiidae
    Lycaenidae
    Nymphalidae
    Papilionidae
    Pieridae
    Species composition
    Opis:
    Butterflies are very sensitive insects for climate change, environmental pollution. Butterflies are model for most of the studies which focus on the effect of climate change on the species richness, change in abundance, species distribution, population size; it is also because of butterflies are umbrella species,. The conservation programme of butterflies will surely help to conserve other species from plants to microscopic organisms. In this study an attempt was made to evaluate the change in butterfly population dynamics through different seasons of the year. According to the observation made during research period it is clear that species richness was the highest from August to November (Monsoon and Early Monsoon) followed by Winter. The lowest were in Hot Summer and Summer that is from February to May. This study is an example for the impact of climate change on the diversity of butterflies from semi-arid geographical region of India; revealed the impact of climate on the species composition, species richness and abundance of butterflies. Such studies are very much important to show that the effects of climate change whether it is natural or human induced change the species composition of species directly and indirectly effecting the ecosystem balance.
    Źródło:
    World News of Natural Sciences; 2021, 34; 1-28
    2543-5426
    Pojawia się w:
    World News of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Liczebność i rozmieszczenie głuszca w Polsce w XXI wieku
    Population size and distribution of the capercaillie in Poland in the 21st century
    Autorzy:
    Zawadzka, D.
    Żurek, Z.
    Armatys, P.
    Stachyra, P.
    Szewczyk, P.
    Korga, M.
    Merta, D.
    Kobielski, J.
    Kmieć, M.
    Pregler, B.
    Krzan, P.
    Rzońca, Z.
    Zawadzki, G.
    Zawadzki, J.
    Sołtys, B.
    Bielański, J.
    Czaja, J.
    Flis-Martyniuk, E.
    Wediuk, A.
    Rutkowski, R.
    Krzywiński, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/980118.pdf
    Data publikacji:
    2019
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    lowiectwo
    ptaki lowne
    gatunki chronione
    gluszec
    Tetrao urogallus
    wystepowanie
    liczebnosc populacji
    rozmieszczenie przestrzenne
    Polska
    wiek XXI
    tetrao urogallus
    species distribution
    species abundance
    refuges
    poland
    Opis:
    The data on the distribution and number of the capercaillie Tetrao urogallus in Poland for the period from the end of the 20th century up to 2017−2018 is presented. The capercaillie is a sedentary forest grouse living in old mountain forests and within the boreal zone. Since more than a century, the decrease in the numbers of the species has been observed, interlinked with the extinction of isolated populations. Within the present borders of Poland, a 1925 questionnaire study noted 2200−2700 individuals. In the 1960s, the national population was estimated at 1700−2000 birds, living in five isolated populations. In 1985−1995, the population numbers of the capercaillie dropped to approx. 466−700 individuals in four regions, and in 2000 it was estimated at 470−570 birds. According to the results of the censuses performed in 2017−2018, the size of the capercaillie population risen to 523−631 individuals and 59−69 lekking grounds. Currently the capercaillie occurs in four isolated regions. These are the Western Carpathians (the Beskid Sądecki, Tatry, Gorce, Babia Góra, Beskid Żywiecki, and the Beskid Śląski ranges) where 284−326 individuals live and 35−41 leks are active. In the Solska and the Lasy Janowskie Forests (Lublin region), the population was estimated at 132−184 individuals and 12−13 lekking grounds. In the Augu− stów Forest (Podlasie region) 36−46 individuals and 5−7 leks were found. In the Bory Dolnośląskie Forest, where native capercaillies got extinct during the last decade, the reintroduction program resulted in the rebuilding of their 65−75 population (with 6−7 leks). The restitution of the species in the Piska Forest has begun. During the last 20 years, populations in the Carpathian national parks have been stable, although fluctuating in numbers. The increase in the number of individuals in the Augustów Forest as well as in the Sądecki and Beskid Śląski Mountains is an after−effect of the release of birds from breeding centers or translocations. In other strongholds, fluctuations or decreases have been recorded, including wisible in the Beskid Żywiecki Mountains.
    Źródło:
    Sylwan; 2019, 163, 09; 773-783
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Species composition and abundance dynamics of slugs (Gastropoda terrestria Nuda) in urban conditions
    Autorzy:
    Sionek, R.
    Kozlowski, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/83295.pdf
    Data publikacji:
    1999
    Wydawca:
    Uniwersytet Mikołaja Kopernika. Wydział Biologii i Ochrony Środowiska. Stowarzyszenie Malakologów Polskich
    Opis:
    A total of 5111 slug specimens of 8 species were caught in 1994–1996 in an urban habitat in Rzeszów (SE Poland), the most abundant being Arion rufus (L.). Other abundant species were: Arion fasciatus (Nilsson, 1822) Deroceras reticulatum (O. F. Müll.) and Limax maximus L. The abundance of slugs varied between the seasons and depended on weather conditions (rainfall, temperature, air humidity); reaction to frosty winters varied between species.
    Źródło:
    Folia Malacologica; 1999, 07, 2
    1506-7629
    Pojawia się w:
    Folia Malacologica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Species composition, seasonal abundance and population structure of chaetognaths in Admiralty Bay (Antarctic)
    Autorzy:
    Bielecka, Luiza
    Jerzak, Bartłomiej
    Złoch, Ilona
    Powiązania:
    https://bibliotekanauki.pl/articles/2046835.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    Antarctic
    Body size
    Chaetognatha
    population structure
    Taxa composition
    Źródło:
    Polish Polar Research; 2016, 37, 2; 303-324
    0138-0338
    2081-8262
    Pojawia się w:
    Polish Polar Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Polychaeta (Annelida) of Admiralty Bay: species richness, diversity and abundance
    Autorzy:
    Siciński, Jacek
    Powiązania:
    https://bibliotekanauki.pl/articles/2052424.pdf
    Data publikacji:
    2000
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    Antarctica
    Polychaeta
    biodiversity
    Źródło:
    Polish Polar Research; 2000, 21, 3-4; 153-169
    0138-0338
    2081-8262
    Pojawia się w:
    Polish Polar Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Bogactwo gatunkowe i liczebność fauny wielkiego miasta - przykład Warszawy
    Species richness and abundance of the fauna of a big city - case of Warsaw
    Autorzy:
    Luniak, Maciej
    Powiązania:
    https://bibliotekanauki.pl/articles/1197944.pdf
    Data publikacji:
    2006
    Wydawca:
    Polskie Towarzystwo Przyrodników im. Kopernika
    Opis:
    A full (i.e. close to completion) list of fauna of any city, nowhere was assessed, mainly because taxonomic and ecological diversity of invertebrates is beyond practical possibilities to have cooperation in the given area of all specialists, which would be necessary for such a study. The most comprehensive studies of this kind, in comparison to fauna of the region, were carried out in Warsaw (Poland), and more recently in Łódź (Central Poland). Within administration area of Warsaw (492 km2), about 3,800 species of terrestrial invertebrates from above 90 families or orders were recorded together with about 320 vertebrate species. The complete list of the animal world of Warsaw is estimated to be about 6-7 thousand species. The species richness of the fauna in large (European) city is likely to comprise 5-10 thousand of species, but the present knowledge about urban invertebrate wildlife does not allow even a basic assessment to be made. The vertebrate fauna is known much better, its species richness is similar in European cities - about 300-400 species. Total number of animal species recorded in Warsaw (ca. 4,100) is about 12% of that indicated from the whole country (Poland). If only vertebrates (a relatively well studied group) are compared - the proportion is 48-50%. In almost all of taxa studied, the species richness decreased with increasing urbanization gradient. The number of invertebrate species recorded in the green suburbs of Warsaw was 57% of that recorded in comparable studies in the region, in urban parks - 31%, and in small green patches in the city centre - 14%. As concerns breeding birds - in Warsaw as a whole about 65% of the species were found in comparison to the region whilst in the inner city - about 37%. Studies on abundance of urban fauna in Warsaw indicated that 1 m2 of soil layer in city lawns contains on an average several tens of thousands of invertebrate individuals whilst 1 m2 of ground surface - several hundred of them. 1 m3 of the canopy of the park trees contains 2-3 thousand individuals with more than one hundred of them per sample of 100 leafs. The total population of the breeding avifauna of Warsaw was estimated to be 150-350 thousand pairs (breeding territories) i.e. ca. 300-700 pairs per km2. The average density of the bird population in the highly urbanized areas of inner Warsaw was 830-1590 pairs per 1 km2 in the breeding season, and 2.5-4.5 thousand individuals per 1 km2 in winter. This is similar to values reported from other European cities.
    Źródło:
    Kosmos; 2006, 55, 1; 45-52
    0023-4249
    Pojawia się w:
    Kosmos
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Arbuscular mycorrhizal fungi abundance, species richness and composition under the monocultures of five medicinal plants
    Bogactwo i zróżnicowanie gatunkowe oraz dostępność propagul grzybów arbuskularnych w monokulturach pięciu roślin leczniczych
    Autorzy:
    Zubek, S.
    Błaszkowski, J.
    Seidler-Łożykowska, K.
    Bąba, W.
    Mleczko, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/11542647.pdf
    Data publikacji:
    2013
    Wydawca:
    Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
    Opis:
    The presence of arbuscular mycorrhizal fungi (Glomeromycota, AMF) in soils may be crucial for sustainable agriculture. Although AMF impact on the performance and accumulation of therapeutic compounds of several medicinal plant species has been well documented, the investigations on the influence of medicinal plants being cultivated on AMF have been insufficiently studied. The effect of three-year monocultures of mycorrhizal (Hypericum perforatum, Levisticum officinale, Mentha × citrata subsp. citrata and Thymus vulgaris) and non-mycorrhizal (Chelidonium majus) medicinal plant species on AMF propagule abundance, species richness and composition was therefore examined. The AMF non-host plant species C. majus decreased the abundance of AMF propagules in the soil, whereas the mycorrhizal plants maintained the AMF propagule potential at the same level, however, they changed the composition of AMF species. The results showed that the choice of medicinal plant species, grown even for a relatively short period of time in a monoculture, can substantially alter the AMF potential of soils which in turn can influence the performance of other medicinal plants cultivated subsequently.
    Obecność symbiotycznych grzybów arbuskularnych (Glomeromycota) w glebach może być istotna dla zrównoważonego rolnictwa. Chociaż wpływ tych mikroorganizmów na witalność i produkcję metabolitów wtórnych przez rośliny lecznicze był badany w ostatnich latach, niewiele wiadomo na temat oddziaływania uprawianych roślin leczniczych na te grzyby. Celem pracy było więc określenie wpływu trzyletniej uprawy mikoryzowych (Hypericum perforatum, Levisticum officinale, Mentha × citrata subsp. citrata i Thymus vulgaris) i niemikoryzowych (Chelidonium majus) gatunków roślin leczniczych na liczbę propagul, bogactwo oraz zróżnicowanie gatunkowe grzybów arbuskularnych. Uprawa C. majus spowodowała spadek liczby propagul tych mikroorganizmów w glebie. W przypadku roślin mikoryzowych dostępność propagul utrzymywała się na podobnym poziomie. Uprawiane rośliny miały jednak wpływ na skład gatunkowy grzybów arbuskularnych. Uprawa badanych roślin leczniczych na danym terenie, nawet przez stosunkowo krótki czas, wpływa na zmianę składu gatunkowego i dostępność propagul grzybów arbuskularnych w glebie, co w konsekwencji może mieć wpływ na witalność roślin leczniczych, zależnych od symbiozy mikoryzowej, uprawianych w przyszłości na tym terenie.
    Źródło:
    Acta Scientiarum Polonorum. Hortorum Cultus; 2013, 12, 5; 127-141
    1644-0692
    Pojawia się w:
    Acta Scientiarum Polonorum. Hortorum Cultus
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Abundance and species composition of plankton in the Gulf of Gdańsk near the planned underwater outfall of the Gdańsk-Wschód (Gdańsk-East) sewage treatment plant
    Autorzy:
    Zmijewska, M.I.
    Niemkiewicz, E.
    Bielecka, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/48867.pdf
    Data publikacji:
    2000
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    biomass
    abundance
    plankton
    underwater outfall
    Baltic Sea
    phytoplankton
    Gdansk city
    coastal area
    treatment plant
    zooplankton
    Gdansk Gulf
    Vistula River
    distribution
    Opis:
    The aim of this paper is to determine the current biological state of life in the pelagic zone of the Gulf of Gdańsk in relation to the planned start-up of an underwater outfall which will discharge sewage from the Gdańsk–Wschód (Gdańsk–East) sewage treatment plant. The plankton material was collected during two research cruises in July and October 1998. The samples were taken at 15 stations in four profiles located near Wyspa Sobieszewska (Sobieszewo Island), perpendicular to the coastline. Both the taxonomic and numerical structure of phytoplankton and zooplankton were typical of the coastal area of the Gulf of Gdańsk. The species diversity depends on hydrological conditions, mainly input from the River Wisła (Vistula). The abundance and biomass of phytoplankton in 1998 were several times lower than in 1994 and 1995 in the area off Górki Wschodnie, the profile located closest to the planned construction site. This could have been caused by generally lower temperatures in 1998 in comparison to previous years. In the investigated area only traces of algal eutrophication indicator species were noted. However, potentially toxic species were confirmed and were most abundant near the Wisła mouth. The highest concentrations of pelagic fauna occur in the shallowest area closest to the shoreline. Long-term observations of the dynamics of the variations in abundance and species composition indicate the increasing significance of one particular species – Acartia bifilosa.
    Źródło:
    Oceanologia; 2000, 42, 3
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Composition, Distribution and Abundance of Fish Species According to the Effects of Water Physicochemical Parameters in the Livoq Lake, Kosovo
    Autorzy:
    Grapci-Kotori, Linda
    Ibrahimi, Bekim
    Bilalli, Astrit
    Ibrahimi, Halil
    Musliu, Milaim
    Powiązania:
    https://bibliotekanauki.pl/articles/123633.pdf
    Data publikacji:
    2019
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    Livoq Lake
    fish distribution
    fish composition
    abundance
    water quality
    Opis:
    In this study, the results of fish composition, distribution and abundance are presented according to the effects of water physicochemical parameters from the Livoq Lake in the eastern part of Kosovo. The fish specimens were sampled in six sampling stations in 2018 by using a variety of methods, including electro-fishing devices, fishing rod and cast nets. The measured physicochemical parameters included: water temperature, dissolved oxygen, saturation of dissolved oxygen, pH, conductivity, total dissolved solids. In total, 320 fish specimens were collected, belonging to 10 species of the following 5 families: Cyprinidae, Silurideae, Esocideae, Percideae and Centrarhideae. The most species rich family is Cyprinidae with 6 species in total: Cyprinus caprio Linnaeus, 1758, Rutilus rutilus Linnaeus, 1758, Carassius carassius Linnaeus, 1758, Squalius cephalus Linnaeus, 1758, Leucaspius delineatus Linnaeeus, 1758 and Alburnus alburnus Linnaeus, 1758. Four other families are represented by one species each: Silurideae with Siluris glanis Linnaeus, 1758, Esocidea with Esox lucius Linnaeus, 1758, Percideae with Perca fluviatilis Linnaeus, 1758 and Centrarhideae with Lepomis gibosus Linnaeus, 1758. The knowledge on fish fauna in Kosovo is still very fragmentary, and this investigation contributes to determining the qualitative composition and abundance features based on the water physicochemical parameters in this part of the Balkan Peninsula.
    Źródło:
    Journal of Ecological Engineering; 2019, 20, 5; 235-241
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Species richness and weed abundance in winter depending on the date of sowing and NPK fertilization
    Bogactwo gatunkowe i obfitość chwastów w pszenicy ozimej w zależności od terminu siewu i poziomu nawożenia NPK
    Autorzy:
    Brzozowska, I.
    Powiązania:
    https://bibliotekanauki.pl/articles/13925577.pdf
    Data publikacji:
    2020
    Wydawca:
    Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
    Tematy:
    winter wheat
    date of sowing
    NPK
    weed species diversity
    weed density
    biomass
    pszenica ozima
    terminy siewu
    roznorodnosc biolgiczna
    chwasty
    zageszczenie
    biomasa
    Źródło:
    Zeszyty Problemowe Postępów Nauk Rolniczych; 2020, 602; 3-12
    0084-5477
    Pojawia się w:
    Zeszyty Problemowe Postępów Nauk Rolniczych
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wpływ głębokości zaburzenia na liczbę gatunków szkodników sosny pospolitej (Pinus sylvestris L.) oraz ich liczebność w borach północno-wschodniego Kazachstanu
    Influence of the disturbance depth on the number of Pinus sylvestris L. pest species and their abundance in the forests of north-eastern Kazakhstan
    Autorzy:
    Mussayeva, B.
    Mokrzycki, T.
    Sarsekova, D.
    Osserkhan, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/985749.pdf
    Data publikacji:
    2019
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    Kazachstan
    drzewostany sosnowe
    zagrozenia drzewostanow
    pozary lasow
    huragany
    drzewostany uszkodzone
    sosna zwyczajna
    Pinus sylvestris
    szkodniki roslin
    szkodniki pierwotne
    szkodniki wtorne
    wystepowanie
    primary insect pests
    secondary insect pests
    scots pine
    kazakhstan
    Opis:
    The research was carried out in the economic and natural Forest Reserve ‘Yertys Ormany’ in Pavlodarsk Oblast (Kazakhstan) in 2018. In the middle of May, two barrier traps of the ‘Netocia’ type (30, in total) were installed on each research plot damaged by wind, fire and great pine web – spinning pine sawfly – Acantholyda posticalis Mats. Insects were caught every month, from mid−June to mid−August. 1521 insects belonging to 67 species and 23 families were caught in the traps. Beetles clearly dominated. We also observed a great pine web and sirex woodwasp Sirex noctilio Fabr. Of the beetles caught, 10% were thermophilic jewel beetles or metallic wood−boring beetles Buprestidae, among which Chalcophora mariana (L.) dominated. The highest average number of individuals was observed on sites damaged by A. posticalis, however, differences between the plots turned to be insignificant. The highest significant average number of species was observed on sites damaged by the fire and by the wind. The GLM analysis indicated the highest mean values of the Margalef index in plots damaged by fire and by the wind, but did not show significant differences between the average values of the fidelity index of the assemblages. The research confirmed the hypothesis of a greater number of species and individuals, and a higher diversity of pests in pine stands more strongly disturbed (i.e. damaged by the fire and by the wind). At the same time, there were no differences between the most seriously disturbed variants.
    Źródło:
    Sylwan; 2019, 163, 12; 1035-1042
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Liczebność i skład gatunkowy koprofagicznych poświętników w cyklu odtworzeniowym drzewostanów sosnowych w Lasach Człuchowskich (Pojezierze Pomorskie)
    Abundance and species structure of dung beetles in the regeneration cycle of Scots pine stands in Czluchow Forest (Pomeranian Lake District)
    Autorzy:
    Byk, A.
    Rutkiewicz, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/986688.pdf
    Data publikacji:
    2017
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    Lasy Czluchowskie
    drzewostany sosnowe
    rozwoj drzewostanu
    owady
    koprofagi
    zukowate
    Scarabaeidae
    Geotrupidae
    wystepowanie
    zgrupowania zwierzat
    liczebnosc
    sklad gatunkowy
    scarabaeoidea
    scarabaeidae
    geotrupidae
    community structure
    forest development
    Opis:
    The aim of the study was to analyse the changes in abundance and species composition of dung beetles (coprophagous Scarabaeoidea) inhabiting Scots pine stands in various stage of the development. Beetles were collected in baited traps in Człuchów Forest, Pomeranian Lake District (NW Paland). In total we collected 87,596 specimens representing 41 species (tab. 2). The structure of dung beetle communities inhabiting analysed Scots pine stands changes in the course of the forest developmental cycle. Lands adjoining to a forest, clear−cut areas and plantations are inhabited by heliophilous communities of dung beetles, with superdominant species Trypocopris vernalis and dominant species such as Anoplotrupes stercorosus, Aphodius pedellus, Euorodalus coenosus and Chilothorax distinctus (tab. 2, fig. 5a). Thicket stage, pole timber stage, and the mature stand are inhabited by umbrophilous dung beetle communities characteristic for pine stands, with superdominant species Anoplotrupes stercorosus and dominant species Trypocopris vernalis (tab. 2, fig. 5b). At thicket stage the number of dung beetles species is dramatically reduced in comparison to other developmental stages (fig. 3). Moreover, a fundamental change in species composition is observed.
    Źródło:
    Sylwan; 2017, 161, 09; 781-792
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Czy zakładanie upraw dębowych metodą biologicznej racjonalizacji sprzyja zachowaniu leśnych zgrupowań skoczogonków (Collembola, Hexapoda)?
    Does alternative methods of oak plantations establishment create favourable conditions for forest collembolan assemblages (Collembola, Hexapoda)?
    Autorzy:
    Sławska, M.
    Sławski, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/986682.pdf
    Data publikacji:
    2018
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    hodowla lasu
    uprawy lesne
    uprawy debowe
    zakladanie upraw lesnych
    prowadzenie upraw lesnych
    metody biologicznej racjonalizacji
    fauna glebowa
    zgrupowania zwierzat
    skoczogonki
    Collembola
    oak cultivation
    corridor and tree group methods
    soil fauna
    species richness
    abundance
    Opis:
    Alternative methods of oak cultivation aim at reducing the cost of establishment of young plantations and decrease in the expenditure on their tending. In these methods, the corridors consisting of oak seedlings planted in the rows or isolated groups of twenty six seedlings are enclosed by stripes or patches without intervention left for natural succession. The restriction in site preparation on these areas and spontaneous development of young generation of trees are assumed to create favourable conditions for many forest organisms and, in results, significantly improve biological diversity of the managed forests. The aim of the study was to recognize the response of forest collembolan assemblages on alternative methods of establishment of oak plantations. The study was performed in the Forest Experimental Station in Rogów (Central Poland). In a mature stand on moderately humid mixed deciduous forest site, on clear−cut and on oak young plantations made by corridor and tree groups methods, fifteen study plots were established. In case of young plantations, these plots encompassed both artificially planted corridors or tree groups and adjacent fragments of plantation left for natural succession. Soil samples were taken in June and September 2014 and, using a simplified Tullgren apparatus, 18 thousands of collembolan specimens belonging to 84 taxa were identified. Our study proved that clear−cut and site preparation by rotary tiller on moderately humid mixed deciduous forest had a negative impact on Collembola assemblages, because caused a reduction in species number and abundance. However, the establishment of oak plantations by alternative methods, consisting in abandonment an artificial planting on some patches of renewed plots, significantly mitigate negative effects of clear−cut and reforestation on collembolan assemblages. The species number and abundance of springtails on patches left for spontaneous succession were distinctly higher than in artificially planted corridors or groups of trees in case of all studied plantations. Furthermore, it seems that corridor method in oak plantations establishment is advantageous for forest springtails, because the number of specimens per square meter on corridor plantation was higher than in tree group method. The beneficial effect on soil fauna of alternative methods of oak cultivation described in this paper weighs in favour of their wider application in silviculture.
    Źródło:
    Sylwan; 2018, 162, 07; 580-589
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Temporal variation in species composition, diversity and regeneration status along altitudinal gradient and slope: The case of Chilimo dry Afromontane forest in the Central Highlands of Ethiopia
    Autorzy:
    Tesfaye, Mehari A.
    Gardi, Oliver
    Blaser, Jűrgen
    Powiązania:
    https://bibliotekanauki.pl/articles/1046543.pdf
    Data publikacji:
    2019
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Abundance
    Ethiopia
    altitude gradient
    native species
    population structure
    saplings
    seedlings and shrubs
    Opis:
    This study is aimed towards investigating the temporal variation in species composition, diversity and regeneration status of Chilimo dry Afromontane forest in the Central Highlands of Ethiopia. A total of 35 permanent sample plots of 20 m × 20 m (400 m2) each were established in the natural forest, laid out on transects of altitudinal gradients, with a distance of 100m between plots. The plots were measured twice in 2012 and 2017. Three subplots, 5m × 5m, and 1 m2 were laid out inside the main plots for sapling, shrub and seedling data collection. Species composition, diversity, important value index (IVI) and regeneration data were analyzed using appropriate formulas. Data analysis was made using R - studio software. A total of 31 trees and shrubs representing 25 families were recorded, 20 (64.52 %) were trees and 11 (35.48 %) were shrubs. Thereof, 28, 23 and 26 species under highest, middle and lowest altitudinal gradient were recorded. The most dominant tree species were: Juniperus procera, Podocarpus falcatus, Olea europea, Scolopia theifolia and Allophyllus abyssinicus. The species composition, diversity, abundance, dominance and important value index significantly varied among species, altitudinal gradient and slope. The diameter distribution was an inverted J - shaped distribution pattern. The highest species richness and diversity index were found under middle altitudinal gradient, while the lowest species richness and diversity index were found under the highest altitudinal gradient. The mean annual volume increment ranged from 4.223 to 0.228 m3 ha-1 yr-1, while the basal area increment varied from 0.85 to 0.020 m2 ha-1 yr-1. Among the sampled species, ten species had fair, 5 poor and 14 species had no regeneration. In conclusion, the Chilimo dry Afromontane forest is suffering from low recruitment and regeneration. Thus, appropriate forest management options should be implemented.
    Źródło:
    World Scientific News; 2019, 138, 2; 192-224
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Occurrence and germination of dinoflagellate cysts in surface sediments from the Red Sea off the coasts of Saudi Arabia
    Autorzy:
    Mohamed, Z.A.
    Al-Shehri, A.M.
    Powiązania:
    https://bibliotekanauki.pl/articles/48723.pdf
    Data publikacji:
    2011
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    occurrence
    germination
    dinoflagellate cyst
    cyst
    Red Sea
    Saudi Arabia
    coast
    toxic species
    distribution
    abundance
    surface sediment
    organic carbon
    silt
    clay
    Cochlodinium polykrikos
    Prorocentrum minimum
    Dinophysis
    acuminata
    Alexandrium catenell
    Scrippsiella trochoidea
    Opis:
    The distribution and abundance of dinoflagellate cyst assemblages were investigated in surface sediments from south-western Red sea coasts of Saudi Arabia at six sites during March 2010. A total of 19 taxa of dinoflagellate cysts were identified from all sites. The sampling sites showed a similar cyst assemblage, but they differed in total cyst abundance (3 to 4083 cysts g−1 dry weight). Cyst abundance was strongly correlated with sediment characteristics, the highest numbers being recorded in sediments with large contents of organic carbon, silt and clay. Cyst assemblages were dominated by cysts of potentially toxic species, including Cochlodinium polykrikos, Prorocentrum minimum, Dinophysis acuminata, Alexandrium catenella and Scrippsiella trochoidea. Most cysts germinated successfully at different rates at 15 and 25◦C. This study suggests that surface sediments from all Saudi Red Sea coasts should be monitored for the presence of dinoflagellate cysts to give ample warning of the presence and abundance of toxic species in a given area.
    Źródło:
    Oceanologia; 2011, 53, 1
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Distribution patterns of three Potamogeton species (P. crispus, P. nodosus and P. pectinatus) along velocity and base richness gradients from a lowland river
    Autorzy:
    Jakubas, E.
    Gabka, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/878331.pdf
    Data publikacji:
    2013
    Wydawca:
    Uniwersytet Przyrodniczy w Poznaniu
    Tematy:
    distribution pattern
    Potamogeton
    Potamogeton crispus
    Potamogeton nodosus
    Potamogeton pectinatus
    abundance
    hydrophyte
    gradient
    lowland river
    river
    environment
    Natura 2000 area
    Opis:
    This study presents distribution and abundance of three Potamogeton species, namely Potamogeton crispus, P. nodosus and P. pectinatus along environmental gradients in the lowland river Wełna (NW Poland). The relationships between 13 environmental factors and the pattern aquatic vegetation distribution along river were investigated. Among ecological factors rarely undertaken in aquatic ecology the light climate was concerned. It is postulated that the Potamogeton communities in the investigated river are strongly connected with water velocity, substrate of bottom and light conditions, in particular dissolved organic matter (DOM). Elodeo-Potametum crispi and algae communities with dominant species Hildenbrandia rivularis were well developed in the places shading by trees, with high velocity and fairly clean water, mostly with stony bottom. Potametum nodosi was noted in mean values of velocity and medium water quality with high content of organic matter in the bottom substrate. The last investigated community Sparganio-Potametum interrupti was found in poor water quality with the highest values of electric conductivity. The obtained results give a new approach of the ecology and abiotic typology of rivers with macrophytes including abundance of Potamogeton species (Nature 2000 habitat, code 3260 – “Water courses of plain to montane levels with the Ranunculion fl uitantis and Callitricho-Batrachion vegetation”).
    Źródło:
    Roczniki Akademii Rolniczej w Poznaniu. Botanika-Steciana; 2013, 17
    1896-1908
    Pojawia się w:
    Roczniki Akademii Rolniczej w Poznaniu. Botanika-Steciana
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The spatial and temporal structure of phytoplankton in 2014-2016 in the Poddabie area on the southern Baltic Sea
    Struktura przestrzenno-czasowa fitoplanktonu w latach 2014 - 2016 w rejonie Poddąbie w obszarze południowego Bałtyku
    Autorzy:
    Zaboroś, I.
    Mioskowska, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/111393.pdf
    Data publikacji:
    2018
    Wydawca:
    Instytut Morski w Gdańsku
    Tematy:
    seasonal variability
    species composition
    abundance and biomass of phytoplankton
    southern Baltic Sea
    Poddabie area
    zmienność sezonowa
    skład gatunkowy
    liczebność i biomasa fitoplanktonu
    południowy Bałtyk
    Poddąbie
    Opis:
    In the Baltic Sea, there can be observed seasonal changes of the phytoplankton structure during which the species composition, abundance and phytoplankton biomass change. However, the spatial and temporal variability of individual phytoplankton groups is not the same in all the regions of the Baltic. The only research (and available studies) of phytoplankton in these shallow central sea basin zones is conducted by Institute of Meteorology and Water Management (IMWM) as part of the HELCOM Baltic Sea Monitoring at station P16, which is located closest to the studied area. Therefore, in the years 2014-2016 phytoplankton seasonality studies were carried out, which allowed to supplement data in the area of the central coast of the south Baltic [61]. Based on the above literature, the aim of this study was to determine the temporal and spatial structure and to examine the species composition of phytoplankton occurrence and biodiversity in the Poddabie region from November 2014 till September 2016. The following article presents the results obtained at 3 measuring stations (P1, P2 and P3) in the area of Poddabie. These results confirm typical changes of phytoplankton on 3 measurement stations depending on the season of the year. The collected data for this article is the second part of the three monographs on the area on the central coast of the southern Baltic. It show the exact results of the species composition and seasonal changes of phytoplankton in the Poddabie region. The average values of phytoplankton abundance and biomass were typical for this sort of coastal waters and there were no significant species differences between these stations. Comparing the results obtained in this study with the data from the IMWM annual reports for the last decade, it can be noticed that the volumes and fluctuations of total biomass and phytoplankton abundance in the three analysed areas are in line with trends typical for the South Baltic coastal area.
    W Morzu Bałtyckim obserwuje się sezonowe zmiany struktury fitoplanktonu podczas której następuje zmiana składu gatunkowego, liczebności oraz biomasy fitoplanktonu. Jednakże przestrzenna i czasowa zmienność poszczególnych grup fitoplanktonu nie jest taka sama w różnych rejonach Bałtyku. Jedyne badania (oraz dostępne opracowania) fitoplanktonu w tych strefach płytkowodnych środkowego wybrzeża prowadzone są przez IMGW w ramach Monitoringu Bałtyku HELCOM na stacji P16, które są położenie najbliżej badanego rejonu. W tym celu w latach 2014-2016 wykonano badania sezonowości fitoplanktonu, co pozwoliło na uzupełnienie danych w obszarze środkowego wybrzeża południowego Bałtyku [61]. W oparciu o powyższą literaturę celem niniejszej pracy było określenie struktury czasowo-przestrzennej i zbadanie składu gatunkowego występowania fitoplanktonu oraz różnorodności biologicznej w rejonie Poddąbia w okresie listopad 2014 – wrzesień 2016. Poniższy artykuł przedstawia wyniki uzyskane na 3 stacjach pomiarowych (P1, P2 oraz P3) w rejonie Poddąbia. Wyniki te potwierdzają typowe zmiany fitoplanktonu na 3 stacjach pomiarowych w zależności od pory roku. Średnie wartości liczebności i biomasy fitoplanktonu były typowe dla tego rodzaju wód przybrzeżnych i nie odnotowano znaczących różnic gatunkowych pomiędzy tymi stacjami. Porównując otrzymane w tym opracowaniu wyniki do danych z rocznych raportów IMGW dla ostatniego dziesięciolecia, można zauważyć, że wielkości i fluktuacje całkowitej biomasy i liczebności fitoplanktonu w trzech badanych rejonach są zgodne z trendami typowymi dla rejonu wód przybrzeżnych Południowego Bałtyku.
    Źródło:
    Biuletyn Instytutu Morskiego w Gdańsku; 2018, 33, 1; 189-203
    1230-7424
    2450-5536
    Pojawia się w:
    Biuletyn Instytutu Morskiego w Gdańsku
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Goździk kosmaty Diathus armeria L. na Pogórzu Cieszyńskim (południowa Polska)
    Deptford pink Diathus armeria L. in the Cieszyn Foothills (southern Poland)
    Autorzy:
    Beczała, Tomasz
    Chmura, Damian
    Powiązania:
    https://bibliotekanauki.pl/articles/36078220.pdf
    Data publikacji:
    2024-06
    Wydawca:
    Uniwersytet Bielsko-Bialski
    Tematy:
    gatunek chroniony
    zasoby populacji
    stanowiska rzadkich gatunków roślin
    protected species
    abundance of population
    localities of rare plant species
    Opis:
    Deptford pink Dianthus armeria L. is a representative of Caryophyllaceae family. It is plant species that is strictly protected since 2014. In the local Red List for the Silesian Province it was considered an endangered species. During 2023-2024 fieldwork was done that aimed to update the list of the localities of this species in the Cieszyn Foothills region. The locality was marked on the map using methodological assumptions of Atlas of Distribution of Vascular Plants in Poland. The density of population was counted or estimated. As a result of the field studies in the study area 9 localities (a total of 17 local populations) of Dianthus armeria were found in grassland, meadow, fringe and ruderal communities. Totally 8 localities were new to this area. Only localities from Tuł Mt has been known earlier. There were also the highest abundance of population, estimated at 600-700 individuals but population contain several small populations that amounting from tens to several hundreds of plants. Two populations are in Cisownica village and they occupy slopes of two local mountains: Kopieniec Mt (475 m a.s.l.) and Malcowa Mt (510 m a.s.l.). In Cieszyn population grows close to the nature reserve “Kopce”, and ecological use are “Łąki na kopcach”. In Leszna Górna village populations occupy xerothermic grasslands. The other situation is Górki Wielkie where the species grows in ruderal habitats: levees along Brennica river and in the vicinity of market. The other human-made habitats which were grown by Dianthus armeria were found in Puńców. These ones were abandoned quarry of dolomites and the vicinity of sports field but close to the fring of oak-hornbeam forest. In general, the population in the Cieszyn Foothills, size ranged from a few individuals to approximately several hundred. The lack of accurate data from previous years does not allow to assess the dynamics of the distribution and abundance of this species. Based on the general trends of Dianthus armeria in Poland, the population status appears to be satisfactory.
    Źródło:
    Polish Journal of Materials and Environmental Engineering; 2024, 7(27); 56-62
    2720-1252
    Pojawia się w:
    Polish Journal of Materials and Environmental Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Abundance frequency of plant species as animal feeds to determine ideal cattle grazing
    Autorzy:
    Yulianto, R.
    Xuan, T.D.
    Kawamura, K.
    Lim, J.
    Yoshitoshi, R.
    Xinyan, F.
    Zhe, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/11556.pdf
    Data publikacji:
    2016
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Opis:
    The objectives of this study were to determine the dominant frequency of plant species, and provide useful information toward the conservation management of animal feed in grazing areas, Hiroshima, Japan. The numbers of plant species were 32 and 21 in spring and summer, respectively. The appearance frequency of plant species more than 50% in the spring, consist of Veronica arvensis (75.57%), Trifolium repens (73.86%), Paspalum dilatatum (69.32%), Lamium purpureum (68.75%), Trifolium dubium (65.34%), Cerastium glomeratum (63.64%), whereas in summer, it consists of Paspalum notatum (98.30%), Trifolium repens (81.25%), Paspalum dilatatum (78.98%), and Kyllinga brevifolia (74.43%). It was observed that the plant high of the plant species were 16.64 and 21.55 cm; vegetation cover rates were 77.18 and 81.36%; chlorophyll content were 41.72 and 36.28 mg/g Fw, and species numbers were 17.91 and 10.18, in spring and summer, respectively. Findings of this research propose that Trifolium repens (clover), Rumex japonicus (weed), and Paspalum dilatatum (grass) are dominant species in the studied areas that can be utilized as animal feeds.
    Źródło:
    International Letters of Natural Sciences; 2016, 58
    2300-9675
    Pojawia się w:
    International Letters of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Phytoplankton composition in the Maltanski Reservoir and the lowest part of the Cybina River
    Autorzy:
    Kozak, A.
    Graf, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/878404.pdf
    Data publikacji:
    2013
    Wydawca:
    Uniwersytet Przyrodniczy w Poznaniu
    Tematy:
    phytoplankton
    species composition
    abundance
    biomass
    restoration
    Maltanski Reservoir
    Cybina River
    Opis:
    Phytoplankton composition was analysed in the Maltański Reservoir and the inlet and outlet of the Cybina River. Samples were collected from three sampling stations in November 2007, February, May and August 2008. Considerable changes in the qualitative and quantitative composition of the phytoplankton in the infl owing and outfl owing water and in the central part of the reservoir were noted. Among 142 taxa chlorophytes were the most numerous group. There were also groups represented by the large values of phytoplankton abundance and biomass such as Cyanobacteria in autumn, chrysophytes in winter, diatoms and cryptophytes in spring and chlorophytes in summer. The diff erences in the qualitative and quantitative composition of the phytoplankton among the analysed sampling stations were noticed. The species composition of the potamoplankton was changing as it passed through the reservoir along the course of the river. With regard to all seasons the lowest number of taxa were noticed in samples from the inlet. The most diversifi ed was phytoplankton composition in the reservoir. The highest similarity between the analysed stations was observed in the phytoplankton composition in the reservoir and outlet of the river from this reservoir.
    Źródło:
    Roczniki Akademii Rolniczej w Poznaniu. Botanika-Steciana; 2013, 17
    1896-1908
    Pojawia się w:
    Roczniki Akademii Rolniczej w Poznaniu. Botanika-Steciana
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Carex secalina [Cyperaceae], a species critically endangered in Europe: from propagule germination to propagule production
    Autorzy:
    Zukowski, W
    Lembicz, M.
    Olejniczak, P.
    Bogdanowicz, A.
    Chmiel, J.
    Rogowski, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/57902.pdf
    Data publikacji:
    2005
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    abundance
    endangered species
    fertility
    seedling
    Cyperaceae
    Carex secalina
    first reproduction
    Europe
    halophyte
    field
    age
    germination
    Opis:
    The size and reproduction ability of the three field populations of Carex secalina Willd. ex Wahlenb. have been assessed. In the parallel garden study selected traits from the life history of the species have been studied, such as age at first reproduction, fertility, the size of seeds, their germination ability and size of seedlings. The populations of C. secalina discovered in Poland in 2000 are characterised by small abundance and small area. All individuals from the three populations in the garden produced generative shoots in the third year of life. Statistically significant differences between the populations were found in the production of shoots with unisexual spikes and bisexual ones, the latter had not been reported in the hitherto literature on the species. The seeds started germinating after a 6-months rest. The first seedlings were observed in the first decade of May. The largest seedlings were noted in the population producing the smallest seeds. The results contribute to explaining the renewal of the populations of this species in the field.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2005, 74, 2
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Studies on ectomycorrhizal basidiomycete in pine forest on the Lithuania-Poland transboundary region
    Autorzy:
    Stankeviciene, D.
    Kasparavicius, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/67304.pdf
    Data publikacji:
    2007
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    ectomycorrhizal fungi
    fungi
    Basidiomycetes
    pine forest
    Lithuania-Poland transboundary region
    species richness
    sporocarp
    abundance
    Opis:
    The diversity of ectomycorrhizal fungi and sporocarps abundance were investigated in 2003-2005 at nine permanent study plots in a 50-year-old pine forest. Diversity of ectomycorrhizal fungi consist of 53 taxa and the majority of them belonged to the genera Cortinarius, Russula, Amanita and Tricholoma. The most frequent species, whose fruit bodies were found in each study plot, were C. cibarius, L. necator L. rufus, P. involutus, R. aeruginea, T. saponaceumand the most abundant species which made the main part of total sporocarp yield were C. cibarius and P. involutus. The lowest species richness of ectomycorrhizal fungi was in study plots with the densest cover of grasses. Maximum of species over the fruiting period was characteristic for October and for September. It was noticed that some species virtually never occurred together at the same plot (e.g. C. cibarius and H. aurantiaca), meanwhile others occurred together quite frequently (e.g. H. aurantiacaand X. badius).
    Źródło:
    Acta Mycologica; 2007, 42, 1
    0001-625X
    2353-074X
    Pojawia się w:
    Acta Mycologica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The effect of environmental factors on the diversity and abundance of malacofauna of water bodies of different stability: the floodplain of the Bug River
    Autorzy:
    Jurkiewicz-Karnkowska, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/83622.pdf
    Data publikacji:
    2012
    Wydawca:
    Uniwersytet Mikołaja Kopernika. Wydział Biologii i Ochrony Środowiska. Stowarzyszenie Malakologów Polskich
    Tematy:
    environmental factor
    diversity
    abundance
    malacofauna
    water body
    stability differentiation
    flood plain
    Bug River
    2007-2009 period
    mollusc
    bottom deposit
    macrophyte
    oxygen content
    species number
    population density
    water parameter
    chemical parameter
    Źródło:
    Folia Malacologica; 2012, 20, 1
    1506-7629
    Pojawia się w:
    Folia Malacologica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wysoka liczebność pustułki Falco tinnunculus w Dolinie Mławki (Nizina Północnomazowiecka) w roku 2020
    High abundance of the common kestrel Falco tinnunculus in the Mławka valley (North Mazovian Lowland) in 2020
    Autorzy:
    Szczypiński, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/2090108.pdf
    Data publikacji:
    2021
    Wydawca:
    Mazowiecko-Świętokrzyskie Towarzystwo Ornitologiczne
    Tematy:
    breeding birds
    bird species survey
    Natura 2000 sites
    open landscape
    river valleys
    Opis:
    In 2020 a high breeding abundance of the Common Kestrel Falco tinnunculus was documented in the valley of the Mławka River in the North Mazovian Lowland. 35-36 breeding pairs were recorded on the 100 km2 area, of which 31 pairs were within the Natura 2000 SPA “Doliny Wkry i Mławki” (Fig.). Most of the occupied nests were located on poplars (Table). Broods of kestrels were also recorded in low-lying nests, which is less common in the country, of the Magpie Pica pica, built in shrubs of the grey willow Salix cinerea and common lilac Syringa vulgaris. Kestrels nested locally in loose clusters. In the vicinity of Proszkowo, 11 occupied nests were recorded on an area of 4 km2. A large number of nesting kestrels was probably the result of the high food abundance in the Mławka Valley in 2020.
    Źródło:
    Kulon; 2021, 26; 51-56
    1427-3098
    Pojawia się w:
    Kulon
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Composition and diel vertical distribution of euphausiid larvae (calyptopis stage) in the deep Southern Adriatic
    Autorzy:
    Gangai Zovko, B.
    Lucic, D.
    Hure, M.
    Onofri, I.
    Pestoric, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/48179.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    vertical distribution
    abundance
    temperature
    salinity variation
    euphausiid species
    Euphausia brevis
    Euphausia krohnii
    Euphausia hemigibba
    Euphausia snorvegica
    Nematoscelis megalops
    Nematoscelis couchii
    Adriatic Sea
    Źródło:
    Oceanologia; 2018, 60, 2
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wetland birds of middle Vistula River during breeding season: the impact of human activities on the distribution, abundance and richness of species
    Awifauna wodno-błotna środkowej Wisły w okresie lęgowym: wpływ działalności człowieka na rozmieszczenie, liczebność i bogactwo gatunkowe
    Autorzy:
    Bukaciński, Dariusz
    Bukacińska, Monika
    Buczyński, Arkadiusz
    Powiązania:
    https://bibliotekanauki.pl/articles/1062572.pdf
    Data publikacji:
    2020-12-31
    Wydawca:
    Uniwersytet Kardynała Stefana Wyszyńskiego w Warszawie
    Tematy:
    ptaki Wisły
    zagrożenia awifauny rzek
    regulacja rzek
    pobór kruszywa
    avifauna of Vistula River
    threats for riparian birds
    river regulation
    gravel and sand mining
    Opis:
    The inventory of birds was conducted in the years 2005-2010 on the Vistula River section between Dęblin (km 388 of the river) and Podwierzbie (km 435 of the river). The study area includes a southern section of the European Ecological Natura 2000 Site in Poland PLB140004 "Middle Vistula River Valley” (IBA, PL083). On most areas the Vistula flows here within unregulated or relatively little modified riverbed, having features of a natural, lowland, braided river. Sandy islands and braid bars within a main channel, steep banks and old riparian afforestation create the unique breeding habitats of the Vistula River Valley. Especially the river channel habitats provide suitable breeding sites for many rare bird species, constituting for some of them the key-breeding sites. There are, however, fragments of several kilometres, where people transformed the Vistula River in a more noticeable way (Table 1). These are, among others: an urban section within Dęblin boundaries (km 388 to km 393 of the river), a fragment adjacent to Kozienice Power Plant (km 421 to km 426) and the area, where since 2007 gravel for industry has been mined from the river bottom (km 426 to km 431). The aim of this inventory was the comparison of richness and abundance of breeding bird species linked directly to the river channel in fragments mentioned above. It will allow to estimate soberly how very the intensity of human utilization of the river affects the distribution of avifauna of the Vistula, determining the richness and abundance of valuable and/or endangered species breeding in a given area. In the years 2007-2009 within a whole study area 32 breeding species characteristic for the riverbed and its surroundings were recorded. Among them 6 are threatened in Poland: mew gull (Larus canus), little tern (Sternula albifrons), ringed plover (Charadrius hiaticula), Eurasian oystercatcher (Haematopus ostralegus), corncrake (Crex crex) and hoopoe (Upupa epops) (Table 2a, b). The comparison of bird richness revealed significant differences between adjoining fragments of the river (Table 3). Decidedly the most valuable was the section between Wróble and Kozienice Power Plant (km 416-421). The Vistula River flows here within a riverbed only a little changed by man. It has an appearance typical for a large, lowland braided river with meandering channels, network of small side channels, steep banks, sandy bars and different kind of islands. Such differentiated environment is reflected in richness of birds. The association of 27-30 species reached here the total density of 337-397 pairs/km along the river, unparalleled in other habitats (Table 3). The urban section within Dęblin boundaries (km 388-393) and a 5-kilometer-long area of gravel mining (km 426-431) were much less attractive for birds. Straight, much narrower river channel, small number of islands in a main channel and a degraded valley in the vicinity of river banks caused, that only six to ten species nested there, of the total density ranged between 2.0-2.7 pairs/km on the urban fragment and 3.8-6.6 pairs/km within the gravel pit area (Table 3). However, these values are quite high in comparison to those recorded for the fragment adjoining Kozienice Power Plant (km 421-426). The river channel is here clearly contracted and the bottom is deepened. The river flows fast within one channel. Numerous, concrete, submerged groynes, revetments on both sides of the river and a bank made of concrete, protecting a power station are very characteristic for this place. Such a man-made environment almost excludes the possibility of breeding of birds within a riverbed. Only single pairs of lapwings (Vanellus vanellus), common sandpipers (Actitis hypoleucos), little ringed plovers (Charadrius dubius) and goosanders (Mergus merganser) occurred here, sporadically also common terns (Sterna hirundo) (Table 2a,b). The total density was very low and did not exceed 1.5 pairs/km along the river. The yearly surveys of birds in the years previous to and after beginning of a gravel and sand mining from the river bottom allowed to estimate if the development had changed somehow the status of riparian bird populations. During three years of an activity a negative impact of the development on the richness and abundance of bird species was not recorded, both in direct vicinity and on the fragment below (Table 4). Not the small harmfulness of the development finally influences the status and changes of avifauna in these sections, but the place where it is situated. It should be kept in mind that the sand mining takes place only within 2 km of the section of Vistula that is regulated to a large degree, and the section above is almost unavailable for riparian birds (Kozienice Power Station). One can assume with high probability bordering on certainty that when the gravel excavation took place on the fragment between km 393 and km 421 or below km 431 of the river, the negative impact of the development on breeding habitats and avifauna of the river channel would be much more noticeable and worse still – it would be irreversible. Both fragments mentioned above are now unique places, where the bird association characteristic for the unregulated channel of lowland river can be found – the environment, which irrevocably declines due to human activities.
    Monitoring ptaków prowadzono w latach 2005-2010 na fragmencie rzeki między Dęblinem (388 km rzeki) i Podwierzbiem (435 km). Obejmuje on południową część Europejskiej ostoi Natura 2000 PLB140004 „Dolina Środkowej Wisły” (ostoi IBA, PL083). Na przeważającym obszarze Wisła płynie tu nieregulowanym lub przekształconym jedynie w niewielkim stopniu korycie, mając charakter nizinnej rzeki roztokowej. Unikalnymi siedliskami lęgowymi doliny Wisły są piaszczyste wyspy i ławice w nurcie, urwiste brzegi oraz stare zadrzewienia łęgowe. Zwłaszcza siedliska nurtu rzeki dostarczają dogodnych miejsc gniazdowania dla wielu rzadkich gatunków ptaków, stanowiąc dla niektórych z nich kluczowe lęgowisko w kraju. Są jednak i kilkukilometrowe fragmenty, gdzie Wisła została przekształcona przez człowieka w sposób bardziej widoczny. Do takich należą między innymi: miejski odcinek rzeki na wysokości Dęblina (388-393 km rzeki) oraz fragment na wysokości Elektrowni Kozienice (421-425 km) oraz obszar, gdzie od 2007 roku wydobywane jest z dna rzeki kruszywo na cele gospodarcze (426-430 km). Celem monitoringu było porównanie składu i liczebności lęgowych gatunków ptaków związanych z korytem rzeki na wymienionych odcinakach Wisły. Pozwoli to realnie ocenić na ile intensywność wykorzystania Wisły przez człowieka wpływa na rozmieszczenie ornitofauny w dolinie Wisły, decydując o różnorodności gatunkowej i liczbie gatunków cennych i/lub zagrożonych gnieżdżących się w danym miejscu. W latach 2007-2009 badań na całym fragmencie Wisły objętym badaniami stwierdzono obecność 32 gatunków ptaków charakterystycznych dla koryta i doliny rzeki. Wśród nich było 6 gatunków zagrożonych wyginięciem w skali kraju: mewa siwa (Larus canus), rybitwa białoczelna (Sternula albifrons), sieweczka obrożna (Charadrius hiaticula), ostrygojad (Haematopus ostralegus), derkacz (Crex crex) i dudek (Upupa epops). Porównanie składu gatunkowego awifauny pokazuje duże różnice między sąsiadującymi ze sobą odcinkami rzeki. Zdecydowanie najcenniejszym był fragment między Wróblami i Elektrownią Kozienice (416-420 km). Wisła płynie tu korytem tylko w niewielkim stopniu zmienionym. Ma charakter typowy dla dużej, nizinnej rzeki roztokowej z licznymi odnogami, urwistymi brzegami, ławicami piachu i wyspami o różnym charakterze. Tak zróżnicowane środowisko ma swoje odzwierciedlenie w różnorodności gatunkowej ptaków. Zespół 27-30 gatunków osiągał tu, niespotykane w innych środowiskach, zagęszczenie 337-397 par/km biegu rzeki. Miejski fragment rzeki na wysokości Dęblina (388-393 km rzeki) i 5-kilometrowy obszar wydobywania kruszywa z dna Wisły (425-430 km) były dla ptaków o wiele mniej atrakcyjne. Proste, dużo węższe koryto, mała liczba wysp w nurcie i zdegradowana dolina rzeki w bezpośredniej bliskości brzegów powodowała, że gnieździło się tutaj od 6 do 10 gatunków ptaków, których zagęszczenie wahało się od 2,0-2,7 par/km rzeki na odcinku miejskim, do 3,8-6,6 par/km rzeki na fragmencie rzeki, gdzie wydobywane było kruszywo. Wartości te są jednak i tak wysokie, w porównaniu ze stanem odnotowanym na wysokości Elektrowni Kozienice (420-425 km rzeki). Koryto jest tu wyraźnie zwężone i pogłębione, rzeka płynie wartko jedną strugą, a charakterystycznym elementem w nurcie są liczne betonowe ostrogi i opaski po obu stronach rzeki oraz betonowy brzeg chroniący Elektrownię. Taki obraz wyklucza niemal zupełnie możliwość gniazdowania ptaków w korycie. Spotyka się tutaj jedynie pojedyncze  pary czajki (Vanellus vanellus), piskliwca (Actitis hypoleucos), sieweczki rzecznej (Charadrius dubius), nurogęsia (Mergus merganser), a wyjątkowo również rybitwy rzecznej (Sterna hirundo). Zagęszczenie zespołu ptaków jest bardzo niskie i nie przekracza zazwyczaj 1,5 par/km rzeki. Coroczny monitoring ptaków w latach poprzedzających i już po rozpoczęciu wydobywania kruszywa z dna rzeki pozwolił ocenić czy inwestycja ta w jakikolwiek sposób zmieniła obraz awifauny. W ciągu trzech lat przedsięwzięcia nie zanotowano negatywnego wpływu inwestycji na różnorodność gatunkową i liczebność ornitofauny tak w bezpośrednim otoczeniu, jak na fragmencie rzeki poniżej. Na obraz i zmiany ornitofauny tych miejsc w decydującym stopniu wpływa nie tyle mała szkodliwość rodzaju inwestycji, co miejsce jej usytuowania. Należy przypomnieć, że pobór kruszywa odbywa się jedynie na odcinku dwóch kilometrów, w dużym stopniu uregulowanej rzeki, a fragment rzeki bezpośrednio powyżej praktycznie jest niedostępny dla ptaków (Elektrownia Kozienice). Z prawdopodobieństwem graniczącym z pewnością można założyć, że w sytuacji, kiedy pobór kruszywa odbywałby się na fragmencie rzeki między 394-420 km lub poniżej 431 km szlaku wodnego negatywny wpływ na siedliska lęgowe i awifaunę koryta rzeki byłby bardzo dobrze widoczny i co gorsze – zapewne nieodwracalny. Oba wymienione wyżej fragmenty są obecnie unikalnym już miejscem, gdzie można spotkać zespół ptaków charakterystyczny dla koryta nieuregulowanej rzeki nizinnej – środowiska, które w związku z działalnością człowieka bezpowrotnie zanika.
    Źródło:
    Studia Ecologiae et Bioethicae; 2020, 18, 5; 335-348
    1733-1218
    Pojawia się w:
    Studia Ecologiae et Bioethicae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Awifauna lęgowa Parku im. Ks. Józefa Poniatowskiego w Łodzi w latach 1966-2009
    Breeding avifauna of Prince Joseph Poniatowski Park in Łódź in 1966-2009
    Autorzy:
    Janiszewski, Tomasz
    Markowski, Janusz
    Powiązania:
    https://bibliotekanauki.pl/articles/970745.pdf
    Data publikacji:
    2006
    Wydawca:
    Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
    Tematy:
    urban park
    breeding birds
    long-term changes
    breeding abundance
    species richness
    Łódź
    park miejski
    awifauna lęgowa
    wieloletnie zmiany
    liczebność
    bogactwo gatunkowe
    Opis:
    During 1966-2009, in 13 seasons, breeding avifauna were counted in Prince J. Poniatowski Park (Łódź). The increase of species richness from 25 (1966) to 35 species (2009) was observed. The species started to breed in the Park were: Mallard Anas plathyrynchos, Sparrowhawk Accipiter nisus, Coot Fulica alra, Wood Pigeon Columba palumbus, Thrush Nightingale Luscinia luscinia, Song Thrush Turdus philom elos, Nuthatch Sitta europaea, Hawfinch Coccothraustes coccothrausles, Goldfinch Carduelis carduelis, Serin Serrinus serinus. Some species disappeared as breeder: Cuckoo Cuculus canorus, Pied Wagtail Molacilla alba, Wood Warbler Phylloscopus sibilatrix, Willow Warbler Phylloscopus trochilus, Marsh Tit Poecile palustris. The significant increase of breeding pairs was observed for: Blackbird Turdus merula. Blackcap Sylvia atricapilla, Great Tit Parus major. Blue Tit Cyanistes caeivleus, Finch Fringilla coelebs.
    Źródło:
    Acta Universitatis Lodziensis. Folia Biologica et Oecologica; 2006, Supplementum; 133-150
    1730-2366
    2083-8484
    Pojawia się w:
    Acta Universitatis Lodziensis. Folia Biologica et Oecologica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Impact of Chinese mitten crab Eriocheir sinensis on blue mussel Mytilus edulis trossulus – laboratory studies of claw strength, handling behavior, consumption rate, and size selective predation
    Autorzy:
    Wojcik, D.
    Normant, M.
    Dmochowska, B.
    Fowler, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/47901.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    non-indigenous species
    Chinese mitten crab
    Eriocheir sinensis
    blue mussel
    Mytilus edulis trossulus
    population abundance
    coastal water
    Baltic water
    Źródło:
    Oceanologia; 2015, 57, 3
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Awifauna wodno-błotna środkowej Wisły w okresie lęgowym: wpływ działalności człowieka na rozmieszczenie, liczebność i bogactwo gatunkowe
    Water and marsh birds of middle Vistula River during breeding season: the impact of human activities on the distribution, abundance and richness of species
    Autorzy:
    Bukaciński, Dariusz
    Bukacińska, Monika
    Buczyński, Arkadiusz
    Powiązania:
    https://bibliotekanauki.pl/articles/1964491.pdf
    Data publikacji:
    2011-06-30
    Wydawca:
    Uniwersytet Kardynała Stefana Wyszyńskiego w Warszawie
    Tematy:
    ptaki Wisły
    zagrożenia awifauny rzek
    regulacja rzek
    pobór kruszywa
    avifauna of vistula river
    threats for riparian birds
    river regulation
    gravel and sand mining
    Opis:
    The inventory of birds was conducted in the years 2005-2010 on the Vistula River section between Dęblin (388 km of the river) and Podwierzbie (435 km of the river). The study area includes a southern section of the European Ecological Natura 2000 Site in Poland PLB140004 „Middle Vistula River Valley” (IBA, PL083). In most areas the Vistula flows here within unregulated or relatively little modified riverbed, having features of natural, lowland, braided river. Sandy islands and braid bars within the main channel, steep banks, and old riparian afforestation create the unique breeding habitats of the Vistula River Valley. Especially the river channel habitats provide suitable breeding sites for many rare bird species, constituting some of them the key-breeding sites. There are, however, fragments of several kilometers, where people transformed the Vistula River in a more visible way (Table 1). These are, among others: an urban section within Dęblin boundaries (km 388-393 of the river), a fragment adjacent to Kozienice Power Plant (km 421-426), and the area, where since 2007 gravel for the industry has been mining from the river bottom (km 426-431). The aim of this inventory was the comparison of richness and abundance of breeding bird species associated directly with the river channel on fragments mentioned above. It will allow us to estimate soberly how very the intensity of human utilization of the river affects the distribution of avifauna of the Vistula, determining the richness and abundance of valuable and/or endangered species breeding in a given area.
    Źródło:
    Studia Ecologiae et Bioethicae; 2011, 9, 2; 67-86
    1733-1218
    Pojawia się w:
    Studia Ecologiae et Bioethicae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Badania rozmieszczenia i liczebności drzewiastych inwazyjnych gatunków obcych (IGO) a czynna ochrona zagrożonych ekosystemów leśnych w Kampinoskim Parku Narodowym
    Research on distribution and abundance of invasive alien tree species (IAS) and active protection of endangered forest ecosystems in Kampinoski National Park
    Autorzy:
    Medrzycki, P.
    Otreba, A.
    Pabjanek, P.
    Brys, K.
    Panufnik-Medrzycka, D.
    Gwiazda, S.
    Anczarska, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/880934.pdf
    Data publikacji:
    2007
    Wydawca:
    Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Leśny Zakład Doświadczalny. Centrum Edukacji Przyrodniczo-Leśnej w Rogowie
    Tematy:
    parki narodowe
    Kampinoski Park Narodowy
    rosliny
    gatunki obce
    gatunki inwazyjne
    czeremcha amerykanska
    Prunus serotina
    wystepowanie
    rozmieszczenie przestrzenne
    liczebnosc
    ekosystemy lesne
    ochrona ekosystemow
    ochrona czynna
    Opis:
    Inwazyjne gatunki obce (IGO) stanowią w wielu regionach świata poważne zagrożenie dla różnorodności biologicznej. Rozprzestrzenianie się tych gatunków ma również miejsce w Kampinoskim Parku Narodowym. Operat Urządzeniowy BUL z 2002 r. wykazał istnienie kilku ognisk inwazji i wielu rozproszonych mniejszych stanowisk. W celu określenia skali tego zjawiska i opracowania strategii czynnej ochrony podjęto kilkuletnie badania rozmieszczenia, liczebności i ekologii populacji, badania wpływu na ekosystemy leśne oraz badania efektywności metod usuwania. Jak dotąd, w latach 2004 i 2006 prowadzono kartowanie metodą siatki kwadratów w dwóch stopniach dokładności: w kwadratach o boku 50 m i o boku 500 m. Wyniki kartowania wskazują, że rozprzestrzenienie i zagęszczenie niektórych gatunków jest większe niż wskazywały na to dane taksacyjne z 2002 r. Planuje się wykorzystanie wyników kartowania do sporządzenia mapy potencjalnych siedlisk, mapy łącznego wpływu gatunków inwazyjnych oraz innych map pomocnych w podejmowaniu decyzji w sprawie aktywnej ochrony.
    Invasive alien species are major threat to the biodiversity. They also spread in the Kampinoski National Park. Forest Inventory in 2002 revealed the existence of few large foci of Prunus serotina invasion, surrounded by many small ones. Two studies of spatial distribution and the abundance the most common IAS were conducted in 2004 and 2006, both using the rectangular plots of 50 x 50 m and 500 x 500 m size. First results indicate quite strong difference of the P.serotina area and suggest it was either underestimated or grew by 20% every two years since the forest inventory in 2002. When completed, the data on the distribution and abundance of IAS will be used to potential habitat modelling, global IAS impact assessment and cost estimation of different eradication measures.
    Źródło:
    Studia i Materiały Centrum Edukacji Przyrodniczo-Leśnej; 2007, 09, 2-3[16] cz.1
    1509-1414
    Pojawia się w:
    Studia i Materiały Centrum Edukacji Przyrodniczo-Leśnej
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
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