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    Wyświetlanie 1-15 z 15
    Tytuł:
    Analysis and distributional patterns of the invasive flora in a protected mountain area - a case study of Medvednica Nature Park (Croatia)
    Autorzy:
    Vukovic, N.
    Bernardic, A.
    Nikolic, T.
    Hrsak, V.
    Plazibat, M.
    Jelaska, S.D.
    Powiązania:
    https://bibliotekanauki.pl/articles/56776.pdf
    Data publikacji:
    2010
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    distribution pattern
    invasive flora
    flora
    protected area
    mountain area
    Medvednica Nature Park
    Croatia
    invasive plant
    alien plant
    dispersal strategy
    habitat
    regression
    Opis:
    In this paper we have analysed invasive flora of Medvednica Nature Park, Croatia with respect to their origins, life forms, systematic positions, types of seed dispersal, Ellenberg indicator values and spatial distributions using MTB 1/64 grid units for analyses. A total of 27 invasive plant species, belonging to 14 families, were recorded with Asteraceae being the most frequently occurring family. Therophytes were the most common life form, as is generally true of Croatian invasive plants; however, hemicryptophytes and geophytes were more frequent in Medvednica. Here, invasive plants originated mainly from both Americas with slightly lower portion in comparison to all Croatian invasive plants, while contrary was the case when comparing those originated from Asia. The most widespread species was Erigeron annuus (L.) Pers., and the species with the lowest occurrence were Chamomilla suaveolens (Pursh.) Rydb and Datura innoxia Mill. A multiple regression model explains 44% of the spatial variability in the invasive plants data per MTB 1/64 unit, using the number of all recorded plant species, the average elevation and the lengths of paths and roads as estimators. The latter two variables also had the most influence on the ordination axes in analyses of the spatial distribution of seed dispersal types present in each MTB 1/64 unit. Anemochory was the most frequent type of seed dispersal.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2010, 79, 4
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Taxonomic evaluation of Hedera crebrescens: A potentially invasive ivy in Central Europe
    Autorzy:
    Major, E.I.
    Toth, E.G.
    Benyei-Himmer, M.
    Hohn, M
    Powiązania:
    https://bibliotekanauki.pl/articles/2130709.pdf
    Data publikacji:
    2020
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    Hedera crebrescens
    invasive species
    ivy
    molecular study
    phylogeny
    taxonomy
    Opis:
    Although Hedera helix is the only native ivy distributed in Central Europe, other ivy species are cultivated in this region and have horticultural importance, including H. hibernica, H. colchica, and H. azorica. On the basis of morphological, cytological, and phenological studies, a newly identified diploid species of ivy, H. crebrescens Bényei-Himmer & Höhn, was recently described from Hungary. Due to its high reproductive capacity and vigorous growth, this species can be considered a potentially invasive plant that could readily supplant H. helix in its native habitats. To characterize the molecular taxonomic status of H. crebrescens, we conducted a molecular genetic analysis based on five chloroplast and one nuclear DNA regions. Our phylogenetic reconstruction supported the monophyly of Hedera, with a tree topology similar to that previously obtained based on phylogenetic cpDNA analyses. Mediterranean species of ivy were well separated from the remainder of the European species, as well as from Asian species. Hedera crebrescens represented a single independent haplotype within the Asian–European cluster, whereas H. helix proved to be polyphyletic. The detected species-specific haplotype and invariability among studied specimens obtained from different geographical locations, provide support for the taxonomical autonomy of H. crebrescens.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2020, 89, 3
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Invasive flora within urban railway areas: a case study from Lublin (Poland) and Lviv (Ukraine)
    Flora inwazyjna terenów kolejowych w obrębie miast – Lublina (Polska) i Lwowa (Ukraina)
    Autorzy:
    Denisow, Bożena
    Wrzesień, Małgorzata
    Mamchur, Zvenyslava
    Chuba, Maria
    Powiązania:
    https://bibliotekanauki.pl/articles/1628057.pdf
    Data publikacji:
    2017
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    vascular flora
    native species
    neophytes
    invasive species
    biological traits
    Opis:
    Heterogeneous and disturbed habitats within railway areas create an ideal environment for establishment of invasive plant species. In this study, we compared the invasive species composition and abundance within railway areas of two cities, Lublin, SE Poland and Lviv, W Ukraine. In total, 70 invasive species were recorded. The invasive species list was similar for the two cities, with the most invasive species occurring at both (81.4%), 8.5% occurring only in Lublin and 10% only in Lviv. The proportion of invasive species in the total flora was almost 1.5-fold higher at Lviv compared to Lublin. Invasive species have originated mainly from continental America (45.7%), followed by Asia and Eurasia. The participation of invasive plants derived from Asia and Eurasia at Lviv is higher than at Lublin. The invasive flora includes a wide range of taxonomic groups, with a predominance of Asteraceae and Poaceae. The ecological attributes of invasive species on railway areas are: mainly annual therophytes, mostly wind- and insect pollination modes, a predominance of generative reproduction, anthropochorous and anemochorous dispersal and short-term persistent, long-term persistent or transient seed banks.
    Zróżnicowane i zaburzone siedliska w obrębie terenów kolejowych tworzą środowisko do zadomowienia obcych gatunków roślin. W pracy porównano skład oraz bogactwo gatunkowe gatunków inwazyjnych notowanych w obrębie terenów kolejowych Lublina (południowo-wschodnia Polska) oraz Lwowa (zachodnia Ukraina). Zanotowano 70 gatunków inwazyjnych. Skład gatunkowy flory inwazyjnej był w obu miastach podobny; 81.4% gatunków inwazyjnych notowano w obu miastach, 8.5% tylko w Lublinie, a 10% tylko we Lwowie. Udział gatunków inwazyjnych we florze Lwowa był wyższy w porównaniu z florą Lublina. Gatunki inwazyjne pochodziły głównie z Ameryki (45.7% gatunków), Azji i Eurazji. Udział gatunków inwazyjnych przybyłych z Azji i Eurazji był wyższy we Lwowie niż w Lublinie. Gatunki należące do rodziny Asteraceae i Poaceae dominowały wśród gatunków inwazyjnych. Analiza cech ekologicznych gatunków inwazyjnych zasiedlających tereny kolejowe wykazała, że są to głównie rośliny jednoroczne, wiatro- lub owadopylne, rozmnażające się generatywnie, o nasionach rozsiewających się antropochorycznie lub anemochorycznie, tworzące krótkotrwały lub długotrwały bank nasion.
    Źródło:
    Acta Agrobotanica; 2017, 70, 4
    0065-0951
    2300-357X
    Pojawia się w:
    Acta Agrobotanica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The influence of invasive Fallopia taxa on resident plant species in two river valleys (southern Poland)
    Autorzy:
    Chmura, D.
    Tokarska-Guzik, B.
    Nowak, T.
    Wozniak, G.
    Bzdega, K.
    Koszela, K.
    Gancarek, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/58507.pdf
    Data publikacji:
    2015
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    invasive species
    biological invasion
    Fallopia
    plant species
    river valley
    vegetation
    phenology
    Polska
    Opis:
    Riparian zones in two rivers in southern Poland were studied in terms of species composition and soil parameters in patches dominated by three knotweed taxa (Fallopia japonica, F. sachalinensis and the hybrid F. ×bohemica). The main purpose was to detect any differences in species diversity, environmental conditions and in the impact of the three Fallopia spp. on resident species. Fieldwork was conducted in spring and summer in 30 invaded plots (in total 90 subplots). It was demonstrated that vegetation dominated by particular knotweed taxa differed in response to soil pH and ammonium, nitrate, and magnesium content. Fallopia spp. (living plants and necromass) had a stronger negative impact on the cover and species diversity of the resident species in summer in comparison with spring. Vegetation patches differed significantly in species composition in relation to the knotweed taxa present. These differences may be the consequence of the differentiated biotopic requirements of Fallopia taxa and the coexisting plants, or to the different impact of the knotweed taxa on the resident species.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2015, 84, 1
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Flavonoids and coumarins from Hieracium pilosella L. [Asteraceae]
    Autorzy:
    Gawronska-Grzywacz, M
    Krzaczek, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/59337.pdf
    Data publikacji:
    2009
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    weed
    flavonoids
    invasive weed
    mouse-ear hawkweed
    coumarin
    herb
    Compositae
    Hieracium pilosella
    Opis:
    Typical chromatographic methods were successfully applied to isolate nine flavonoid compounds and two coumarin glycosides from the inflorescences and the herb of Hieracium pilosella L. Repeated column chromatography, occasionally paper chromatography and recrystallization made the separation of three flavonoid aglycones and six glycosides - possible. Coumarin glycosides were isolated by preparative thin layer chromatography. Subsequent UV, NMR and MS analyses have led to identification of the following flavonoid derivatives: known for the species - apigenin, luteolin, luteolin 7-O- ß-glucopyranoside, luteolin 4’-O-ß-glucopyranoside, isoetin 7-O-ß- -glucopyranoside, isoetin 4’-O-ß-glucuronide and new for the species – kaempferol 3-methyl ether and apigenin 7-O-ß-glucopyranoside. Third isoetin glycoside contained two different sugar moieties: xylose and glucose, probably attached to the hydroxyl groups at C-4’ or C-4’ and C-2’(or 5’) of an aglycone. Umbelliferone 7-O-ß-glucopyranoside (skimmin) and new for the genus Hieracium esculetin 7-O-ß-glucopyranoside (cichoriin) were determined by NMR and MS methods.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2009, 78, 3; 189-195
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Distribution of Azolla filiculoides Lam. [Azollaceae] in Poland
    Autorzy:
    Szczesniak, E
    Blachuta, J.
    Krukowski, M.
    Picinska-Faltynowicz, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/58747.pdf
    Data publikacji:
    2009
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    Azollaceae
    Polska
    water fern
    plant community
    invasive species
    fern
    Azolla filiculoides
    distribution
    Opis:
    Azolla filiculoides has been an ephemeral plant in Poland since the end of the 20th century. In the last 15 years this species appeared in 5 locations in south-west Poland. Habitat and plants of two populations became destroyed, three other still exist. A. filiculoides occurs in eutrophic or even polluted water where it forms dense mats, up to 10 cm thick. It stays sterile and propagates only in a vegetative manner. Frost resistance of Lower Silesia populations is higher than reported so far; fern may winter and rebuild the population after frost reaching 22oC. Size of the populations is changeable during the vegetation season. A. filiculoides occurs in water habitats and plant communities in which it substitutes Lemna minor.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2009, 78, 3; 241-246
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Leratiomyces ceres (Strophariaceae, Basidiomycota), new to Poland
    Autorzy:
    Halama, M.
    Gorka, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/2197186.pdf
    Data publikacji:
    2019-12-27
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    Leratiomyces ceres
    macroscopic analysis
    microscopic analysis
    invasive species
    Upper Silesian region
    Polska
    Opis:
    Leratiomyces ceres, an extra-European species hitherto unknown in Poland, was identified in a public park in Rybnik City (SW Poland). The first Polish collections of the fungus were studied using macroscopic and microscopic features. A brief description and illustration of the species, based on Polish specimens, are presented. The ecology and characteristics distinguishing L. ceres from related Leratiomyces species are also discussed.
    Źródło:
    Acta Mycologica; 2019, 54, 2; 1131
    0001-625X
    2353-074X
    Pojawia się w:
    Acta Mycologica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Utilization of the invasive plant Impatiens parviflora DC. by the snail Columella edentula Draparnaud in oak-hornbeam forests
    Autorzy:
    Piskorz, R
    Urbanska, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/59016.pdf
    Data publikacji:
    2007
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    balsam
    invasive plant
    Impatiens parviflora
    interaction
    botany
    Columella edentula
    snail
    oak-hornbeam forest
    Opis:
    This study investigated the extend to which the snail Columella edentula is more strongly associated with the small balsam Impatiens parviflora than with other plants in the herb layer of an oak-hornbeam forest, and to interpret the character of the interaction Impatiens parviflora - Columella edentula. Numbers of C. edentula and rates of colonization were compared on various plant species under natural and laboratory conditions. Seasonal variation in snail abundance on I. parviflora was observed on permanent plots. The leaf injuries caused by C. edentula were localized in respect of the morphological and anatomical structure of leaves. The results show that I. parviflora is one of the plant species of the herb layer that are most abundantly colonized by this snail in oak-hornbeam forest. Snail finds a plant particularly suitable as a place for resting. The most favoured attachment site is on the underside of the leaf, along the midrib, which provides the highest and relatively stable humidity, as well as protection from direct sunlight and predators. I. parviflora is also a food for the snails, but they do not eat these fragments of leaves where calcium carbonate is accumulated.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2007, 76, 1
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The current distribution in Poland of some European neophytic bryophytes with supposed invasive tendencies
    Autorzy:
    Fudali, E
    Szczepanski, M.
    Rusinska, A.
    Rosadzinski, S.
    Wolski, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/57252.pdf
    Data publikacji:
    2009
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    neophyte
    diversity
    Polska
    moss
    bryophyte
    invasive bryophyte
    Campylopus introflexus
    Leptophascum leptophyllum
    Orthodontium lineare
    distribution
    Opis:
    The paper presents a brief review of published so far and recently recorded unpublished bryological data concerning the distribution in Poland of two neophytic (sensu Meusel 1943) mosses: Campylopus introflexus (Hedw.) Brid. and Orthodontium lineare Schwaegr.to estimate their current influence on native bryoflora. The data clearly indicate the constant spreading of these species towards the east, however, there is no direct evidence that they have been limiting the occurrence of native moss species. They are acidophilous species, so the acidification of the environment probably promotes their expansion. Maps of the most current distribution of Campylopus introflexus and Orthodontium lineare in Poland (in a system of ATMOS-grid squares) are provided, as well as a description of the first locality in Poland of another European bryo-neophyte species Leptophascum leptophyllum Mull. Hal.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2009, 78, 1; 73-80
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Melampsoridium hiratsukanum - invasive rust species in Lithuania, and its co-occurrence with eriophylid mite
    Autorzy:
    Markovskaja, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/67584.pdf
    Data publikacji:
    2013
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    Melampsoridium hiratsukanum
    invasive species
    leaf rust
    pest
    eriophylid mite
    fungal disease
    woody plant
    Lithuania
    Opis:
    An invasive East Asian rust fungus Melampsoridium hiratsukanum, obligate biotroph belonging to Pucciniastraceae, Pucciniales (Basidiomycota) is found widely spread on leaves of Alnus incana in eastern, central and southern parts of Lithuania. On Alnus glutinosa this fungus is rare, sometimes occurring with an alder leaf pest, a microscopic eriophyid gall mite Acalitus brevitarsus. Information on the distribution patterns, ecological and morphological characters of this neomycete is given.
    Źródło:
    Acta Mycologica; 2013, 48, 2
    0001-625X
    2353-074X
    Pojawia się w:
    Acta Mycologica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    An assessment of the Ambrosia L. pollen threat at a regional scale using the example of the town of Sosnowiec (Silesian Uplands, Poland)
    Ocena zagrożenia pyłkiem Ambrosia L. w skali regionalnej na przykładzie miasta Sosnowca (Wyżyna Śląska, Polska)
    Autorzy:
    Chlopek, K.
    Dabrowska-Zapart, K.
    Tokarska-Guzik, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/27805.pdf
    Data publikacji:
    2011
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    aerobiology
    Ambrosia
    pollen count
    meteorological parameter
    invasive plant
    Polska
    Sosnowiec town
    pollen threat
    regional scale
    Silesian Upland
    Opis:
    The investigation of Ambrosia pollen counts in the air of Sosnowiec was carried out from 1998 to 2010 by means of the volumetric method. The pollen season which was determined by means of the 98% method started at the end of July and the beginning of August and lasted until the end of October. The highest Ambrosia pollen count was recorded in 1999 (222 grains x m-3) and the lowest in 2001 (18 grains x m-3). It was stated that the daily count of pollen grains depended on the wind direction and maximum air temperature. The strongest correlations were found with maximum temperature and with a wind direction from the south east. A high negative correlation coefficient was found between the frequency of inflows of air masses from the west and the annual total of pollen grains and the value of the maximum daily count. The closest sites of Ambrosia L. are at a distance of 25–40 kilometres from the sampling point. Significant correlations with the frequency of inflow of air masses can support the conclusion that Ambrosia pollen grains recorded in Sosnowiec were most probably carried not only from local sources but also, at least in part, from distant places.
    Badania koncentracji pyłku Ambrosia w powietrzu Sosnowca prowadzono w latach 1998-2010 metodą wolumetryczną. Początek sezonu pyłkowego Ambrosia, wyznaczony metodą 98%, rozpoczynał się na przełomie lipca i sierpnia i trwał do końca października. Wysokie koncentracje pyłku notowano najczęściej w trzeciej dekadzie sierpnia lub w pierwszej połowie września. Najwyższe stężenie pyłku Ambrosia odnotowano w 1999 roku (222 ziarn x m-3), najniższe w 2001 roku (18 ziarn x m-3). Wykazano, iż stężenie dobowe ziarn pyłku zależało od kierunku wiatru i temperatury maksymalnej powietrza. Najsilniejszą korelację stwierdzono dla temperatury maksymalnej i dla kierunku wiatru z południowego wschodu. Znaleziono wysoki ujemny współczynnik korelacji między częstością napływu mas powietrza z zachodu a wartością sumy rocznej ziarn pyłku oraz z wartością maksymalnego stężenia. Stwierdzono również oddziaływanie masy powietrza polarno-morskiego na długość sezonów pyłkowych i na wartości maksymalnego stężenia Ambrosia. Przy napływie tego typu powietrza notowano dłuższe sezony pyłkowe oraz niższe maksima sezonowe. Stanowiska z Ambrosia zostały stwierdzone w odległości 25-40 km na SW i NW od punktu pomiarowego. Istotne korelacje z częstością napływu mas powietrza mogą potwierdzać fakt, iż ziarna pyłku Ambrosia rejestrowane w Sosnowcu pochodzą nie tylko z lokalnych źródeł ale również z dalekiego transportu.
    Źródło:
    Acta Agrobotanica; 2011, 64, 2
    0065-0951
    2300-357X
    Pojawia się w:
    Acta Agrobotanica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Soil preferences and morphological diversity of goldenrods (Solidago L.) from south-western Poland
    Autorzy:
    Szymura, M.
    Szymura, T.H.
    Powiązania:
    https://bibliotekanauki.pl/articles/57379.pdf
    Data publikacji:
    2013
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    soil preference
    morphological diversity
    goldenrod
    Solidago
    South-Western Poland
    Polska
    plant invasion
    soil property
    invasive plant
    soil condition
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2013, 82, 2
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The spread of Impatiens parviflora DC. in Central European oak forests - another stage of invasion?
    Autorzy:
    Reczynska, K.
    Swierkosz, K.
    Dajdok, Z.
    Powiązania:
    https://bibliotekanauki.pl/articles/56626.pdf
    Data publikacji:
    2015
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    Impatiens parviflora
    spread
    Central Europe
    oak forest
    invasive plant
    long-term change
    plant species
    species composition
    forest vegetation
    small balsam
    Opis:
    In this study, we examine the pattern of occurrence of Impatiens parviflora in Central European oak forests over time and its ecological requirements within these types of communities. Research was based on phytosociological data collected in 3776 relevés. A modified TWINSPAN algorithm were used to distinguish the groups of oak forests. The ecological preferences of the I. parviflora and studied communities as well as differences between invaded and non-invaded vegetation plots were analyzed using mean weighted Ellenberg indicator values (EIVs). Finally, both the temporal pattern of I. parviflora participation and changes in its coverage in the studied communities were analyzed. Our study confirmed a high adaptability of this species with respect to temperature, moisture, soil reaction and nutrients and determined its broad ecological optimum in oak forests. However, it also revealed both a greater sensitivity of some communities within Central European oak forests to the invasion of I. parviflora and differences in habitat conditions between invaded and non-invaded vegetation plots. This suggests that the habitat niche of I. parviflora within oak forests is not accidental. The analysis of temporal changes in the frequency of I. parviflora confirmed a 20% increase in relevés over the last 50 years. However, we did not identify any statistically significant rise in the coverage of I. parviflora in oak forests specifically during the studied period.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2015, 84, 4
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Dynamics and occurrence patterns of the Tatarian orache Atriplex tatarica L. (Chenopodiaceae) at the roadsides in Warsaw, Poland
    Autorzy:
    Jarzyna, I.
    Malecka, K.
    Panufnik-Medrzycka, D.
    Medrzycki, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/57157.pdf
    Data publikacji:
    2010
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    invasive plant
    plant dynamics
    occurrence
    Tatarian orache
    Atriplex tatarica
    Chenopodiaceae
    roadside
    Warsaw city
    urban roadside
    abundance
    halophytic plant
    plant competition
    annual plant
    Polska
    Opis:
    Atriplex tatarica is an invasive annual plant from Central Asia. It is an early successional species of disturbed habitats, tolerant of a high content of NaCl. It grows also by the roadsides, on lawns by the streets and other places in cities sprayed with salt during snowfalls. The paper presents results of the analysis of abundance and patterns of occurrence of this invasive subhalophytic plant by the roadsides in the Warsaw city. We found that frequency and distribution of Atriplex tatarica increased significantly over the last few decades. The species grows chiefly along main streets which are de-iced. It forms monodominant patches of different length at the zone closest to the street verge. The NaCl concentration there is significantly higher than in the zones more distant from the street verge, although this parameter is very variable. The cover of other species increases with an increasing distance from the roadside verge.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2010, 79, 3
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Ecological significance of some kenophytes in Lower Silesian national parks
    Autorzy:
    Fabiszewski, J
    Brej, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/58362.pdf
    Data publikacji:
    2008
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    Impatiens glandulifera
    plant ecology
    biological invasion
    Lower Silesian national park
    invasiveness
    environmental problem
    non-native species
    Reynoutria japonica
    national park
    botany
    invasive species
    habitat preference
    Sudetes Mountains
    Opis:
    The paper presents the results of several years investigations (2003-2007) on two invaders: the Himalayans Impatiens glandulifera and Asiatic Reynoutria japonica. The Sudety Mountains and their national parks are under strong pressure of both species, threatening the local vegetation. The four-year investigations have been carried out in field, glasshouse and in laboratory. Invasive species have their peculiar life histories which help them to occupy new areas. Those are above all the specific generative reproduction strategies (Impatiens) or vegetative reproduction strategies (Reynoutria). Both strategies secure the reproductive success and to capture more and more highly situated areas of the mountains. Very significant characteristics connected with the expansion of invaders is the excessively over and above the average production of seeds (Impatiens) and a huge annual increment aboveground biomass (Reynoutria). The investigated invasive species are probably not equipped with influence of allelopatic type as of greater importance is their competitive strength. The invaders can eliminate a part of the early spring flora belonging to the geophyte group and impoverish the regional biological diversity. Both the invasive plants enter also into some moist mountain forest communities.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2008, 77, 2
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
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