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Tytuł:
Freshwater lichens on submerged stones and alder roots in the Polish lowland
Słodkowodne porosty na zanurzonych kamieniach i korzeniach olsz na Niżu Polskim
Autorzy:
Hachulka, M.
Powiązania:
https://bibliotekanauki.pl/articles/67531.pdf
Data publikacji:
2011
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
aquatic lichen
lichen
submerged stone
stone
Polish lowland
lowland
freshwater habitat
tree root
Opis:
The article presents the results of the studies of lichens in streams and spring areas of the escarpment zone of Wzniesienia Łódzkie Heights in Central Poland. The boulders, stones and roots of Alnus glutinosa, situated in 3 inundated zones in the streams: submerged zone, fluvial mesic zone and fluvial xeric zone, were examined in the streams. The studies have shown 23 species connected with these streams. Six species of freshwater lichens: Verrucaria aquatilis, V. hydrela, Hydropunctaria rheitrophila, V. margacea, V. praetermissa and V. madida, occupied stones in 3 different zones. Verrucaria aquatilis and Hydropunctaria rheitrophila colonized also secondary substrates – the bark of alder roots incrusted with sand grains and silt.
W rzekach i strumieniach Parku Krajobrazowego Wzniesień Łódzkich, w Polsce Środkowej, odnotowano 23 gatunki porostów wodnych (Tab. 2), z którymi konkuruje o podłoże 7 gatunków mszaków. Sześć ściśle wodnych gatunków naskalnych znajduje się na czerwonej liście porostów zagrożonych Polski (Cieśliński et al. 2006). Większość porostów wodnych rośnie w odcinkach początkowych rzek i strumieni, co prawdopodobnie wynika z korzystnych warunków fizykochemicznych wód (Tab. 1) i wzrostu zanieczyszczenia w dalszym biegu rzek. Badania porostów wodnych wykazały ich rozmieszczenie w trzech strefach: 1 − całkowicie zatopionej, 2 − często zatapianej i 3 − sporadycznie zatapianej lub spryskiwanej wodą (Fig. 2). W drugiej i trzeciej strefie zanurzenia, w towarzystwie Coenogonium pineti, Arthonia spadicea i Absconditella lignicola (Tab. 2) rośnie Bacidina sulphurella (Fig. 5), rzadki porost w Polsce. W badanych rzekach obligatoryjne epility wodne rosną na głazach i kamieniach, jedynie Hydropunctaria rheitrophila (Figs 3 A, B) i Verrucaria aquatilis zasiedlają także korę korzeni olsz często pokrytych ziarnami piasku i mułem. Kolonizowanie podłoży zastępczych przez epility wodne obserwowano w Alpach (Thüs and Schultz 2009), w północno-wschodniej i wschodniej Europie (Motiejūnaitė 2003, 2009; Pykälä 2006; Motiejūnaitė, Czyżewska 2008), również w Polsce Północno-Wschodniej (Czyżewska et al. 2001).
Źródło:
Acta Mycologica; 2011, 46, 2
0001-625X
2353-074X
Pojawia się w:
Acta Mycologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Sprawozdanie z zimowego monitoringu ptaków na obiektach wodnych Niziny Mazowieckiej w styczniu 2021 roku
Report on winter bird survey on water bodies of the Mazovian Lowland in january 2021
Autorzy:
Łukaszewicz, M.
Rowiński, P.
Powiązania:
https://bibliotekanauki.pl/articles/2090123.pdf
Data publikacji:
2021
Wydawca:
Mazowiecko-Świętokrzyskie Towarzystwo Ornitologiczne
Tematy:
Mazovian Lowland
wintering birds
abundance
Opis:
In the middle of January 2021, the survey of terrestrial and waterbird species wintering on the Mazovian Lowland was conducted. The controls covered 18 rivers (in total 1220 km), the largest towns, dam reservoirs, and other smaller water bodies. The results collected on selected river sections and water bodies were submitted to a country-wide project - Wintering Water Bird Survey (MZPW). January 2021 was mild, and throughout the surveyed period the average tem- perature was around 0°C. 102268 individuals of 48 waterbird species were recorded wintering in the monitored area. The most abundant were: Mallard Anas platyrhynchos (69.8%, N = 71383), Great Cormorant Phalacrocorax carbo (6.8%, N = 6.998), Common Goldeneye Bucephala clangula (4.9%, N = 4969), Goosander Mergus merganser (2.9%, N = 2970), Greylag Goose Anser anser (2.9%, N = 2946), and the Mute Swan Cygnus olor (2.5%, N = 2552). 68 “terrestrial” bird species were recorded and their total number was 29.039 individuals. The most abundant were: Fieldfare Turdus pilaris (20.5% of the total bird number, N = 5957), Eurasian Siskin Spinus spinus (11%, N = 3201), Great Tit Parus major (7.2%, N = 2103), Western Jackdaw Corvus monedula (6.2%, N = 1807), and the Yellowhammer Emberiza citrinella (5.1%, N = 1487) – Table 2. The average bird density was 238 indiv./10 km. 120 volunteers took part in this winter bird survey.
Źródło:
Kulon; 2021, 26; 83-94
1427-3098
Pojawia się w:
Kulon
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Evidence of soils and paleosols in the Poznań Formation (Neogene, Polish Lowland)
Autorzy:
Duczmal-Czernikiewicz, A. M.
Powiązania:
https://bibliotekanauki.pl/articles/2059716.pdf
Data publikacji:
2013
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Poznań clays
Neogene
Polish Lowland
pedostructures
Opis:
A succession of stacked paleosol profiles was recognized in open pits in the western Wielkopolska region (Poland). Field observations and micromorphological studies made it possible to distinguish the following pedostructures, formed in contrasting environments: soil horizons, crystallaria, concretions, redoximorphic structures, Fe-Mn globulae and slickensides. In both soils (Holocene) and paleosols (Pleistocene or/and Pliocene?), surface horizons are present (horizon A), marked by rhizocretions. There are two separate carbonate soils. One of them contains calcite concretions and gypsum pedofeatures, presumably formed in arid or semi-arid conditions. Two of the soil profiles are probably truncated, and only subsurface horizons are present (horizon B). In some cases, paleosols are separated by sediment layers slightly influenced by pedogenesis (horizon BC). Carbonate soils (Bk) indicate water deficit during their formation. The presence of horizons with slickensides (Bss) indicates intervals with contrasting seasonal climates (wet and dry cycles). The profiles were influenced by gleying processes which caused redistribution of iron oxides and formation of iron and iron-manganese concretions. The pedostructures recognised reflect different climatic conditions as well as humidity changes during the time of their formation.
Źródło:
Geological Quarterly; 2013, 57, 2; 189--204
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Drought Risk Assessment in the Kopel River Basin
Autorzy:
Sojka, M.
Jaskuła, J.
Wielgosz, I.
Powiązania:
https://bibliotekanauki.pl/articles/124297.pdf
Data publikacji:
2017
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
lowland river
drought indices
drought assessment
Opis:
The main aim of the study was to assess drought risk in the Kopel river basin on the basis of analysis of observations made in the period from 1972 to 2011. The Kopel river is a right tributary of the Warta river which it joins at 254+600 km. The drought risk was assessed on the basis of meteorological and hydrological diurnal data. The trend analysis revealed that temperature has a significant increasing tendency. On the basis of SNQ and Q70% flows the indices such as drought duration and drought volume were computed. Statistical analysis showed negative correlations between drought indices and precipitation. The results presented in this study indicated that drought risk in the Kopel river basin is high.
Źródło:
Journal of Ecological Engineering; 2017, 18, 6; 134-141
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Biological research of Grabia River - fifty years of activity
Autorzy:
Siciński, Jacek
Tończyk, Grzegorz
Powiązania:
https://bibliotekanauki.pl/articles/764941.pdf
Data publikacji:
2005
Wydawca:
Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
Tematy:
lowland river
ecology
central Poland
literature review
Opis:
Grabia, a small still close to natural conditions lowland river, has been an object of special interest for Łódź hydrobiologists for more than 50 years. Over 100 scientific papers and over 100 master theses were produced in the Faculty of Biology and Environmental Protection University of Łódź. The initiator was Prof.L.K. Pawłowski who spent many years conducting research into the river. The ground and the first research objective was to recognize the fauna diversity. The checklist encompass almost 1000 invertebrate and 24 fish species. Taxonomy, biology and ecology of various taxa have made for many decades an essential trend of scientific activity. Special attention was dedicated to rotifers, leeches, branchiobdellids, snails and bivalves, gammarids and copepods as well as aquatic insects, fish and also diatoms. Some aspects of zoobenthos and Zooplankton communities ecology was the subject of 13 Ph.D.theses. The river with its rich animal and plant communities was also the subject of dynamics of river ecosystem research. The study on the structure of invertebrate assemblages on the background of habitat diversity has been recently conducted. The model may be treealed as a reference to the restoration of Europaean rivers and their valleys.
Źródło:
Acta Universitatis Lodziensis. Folia Biologica et Oecologica; 2005, 2
1730-2366
2083-8484
Pojawia się w:
Acta Universitatis Lodziensis. Folia Biologica et Oecologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Variability of spring riverflow of selected lowland rivers
Autorzy:
Piętka, Izabela
Mikulska, Małgorzata
Powiązania:
https://bibliotekanauki.pl/articles/2034234.pdf
Data publikacji:
2010-06-01
Wydawca:
Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych
Tematy:
spring flow
discharge
lowland rivers in Poland
Opis:
This paper aims at identification of changes in the spring discharge of six lowland rivers in Poland in 1966-2006. The contribution of the spring flow (February, March, April) in the annual flow was analysed as well as the 0.95 quantile time series of the daily flow. To investigate how the date of the occurrence of the spring riverflow changes, for each hydrological year the day up to which 50% of the annual flow had been reached was determined (CMD, the center of mass data). A test based on linear regression was applied, which determined the direction and rate of the changes. In five rivers, a statistically insignificant tendency to increase the contribution of the spring flow in the annual flow has been observed. A decreasing tendency in the spring discharge of all rivers has been shown; in two cases the changes are statistically significant. The tendencies in the CMD time series are not consistent.
Źródło:
Miscellanea Geographica. Regional Studies on Development; 2010, 14; 177-183
0867-6046
2084-6118
Pojawia się w:
Miscellanea Geographica. Regional Studies on Development
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Changes in thermal conditions in the high mountain areas and contemporary warming in the Central Europe
Autorzy:
Żmudzka, Elwira
Owsiński, Jan
Powiązania:
https://bibliotekanauki.pl/articles/2034144.pdf
Data publikacji:
2010-06-01
Wydawca:
Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych
Tematy:
contemporary warming
trend
Tatra Mountains
lowland Poland
Opis:
The purpose of the report is to determine trends in thermal conditions in the Polish part of the Tatra Mountains. The results of studies were compared with the results of analogous analyses, carried out for the area of lowland Poland. The study makes use of the data from the weather stations in Zakopane and on Kasprowy Wierch Mt. from the years 19512006, mainly from 1966-2006. The thermal conditions in lowland Poland was determined on the basis of the area-averaged time series (45 stations). Various thermal characteristics were considered. The increase of the rate of upward trend in temperature at the turn of the 21st century, as well as the change of the seasonal distribution of the warming in comparison with the preceding long-term periods, have been documented. Symptoms of increase of the thermal continentality have also been observed.
Źródło:
Miscellanea Geographica. Regional Studies on Development; 2010, 14; 59-70
0867-6046
2084-6118
Pojawia się w:
Miscellanea Geographica. Regional Studies on Development
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Transformations of Land Amelioration Systems in the Catchment of the Rów Wyskoc River in the Context of their Use to Counteract the Effects of Drought
Autorzy:
Kozaczyk, P.
Powiązania:
https://bibliotekanauki.pl/articles/124313.pdf
Data publikacji:
2017
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
amelioration system
river valley
lowland river
drought
Opis:
The regulation of water relations is an important environmental role of permanent greeneries . The valleys used as permanent grasslands often also function as polders or dry flood-control reservoirs. The land amelioration systems realized in the 1970s and 1980s, for economic reasons do not perform the functions they were planned to. This is because their exploitation has been abandoned and the systems still drain the land in an uncontrolled way, i.e. without the regulation of water level assumed in the original project and without limitation of excessive outflow and excessive irrigation in post-drought periods. Their presence leads to an excessive drying of the valley and, as a consequence, to the changes in the mode of land use, from mown meadows to arable land. The aim of the study reported in this paper was to evaluate the functioning of the hitherto existing amelioration systems in the context of their possible use for alleviation of the effects of drought. The current state of amelioration ditches in the area of three amelioration systems established in the areas near the villages Racot, Wyskoć and Rogaczewo, in the catchment area of the Rów Wyskoć river, was examined in field study. Moreover, the analysis of cartographic materials in GIS environment was performed. As a result, the digital maps of the amelioration objects were made. The digital maps were compared with the maps from the 1970s and 1980s when the objects were open for operation.
Źródło:
Journal of Ecological Engineering; 2017, 18, 6; 103-109
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Reconstruction of palaeoecological changes in Lake Łebsko on the basis diatom analysis (the southern Baltic coast, Poland)
Autorzy:
Staszak-Piekarska, A.
Rzodkiewicz, M.
Powiązania:
https://bibliotekanauki.pl/articles/294304.pdf
Data publikacji:
2015
Wydawca:
Stowarzyszenie Geomorfologów Polskich
Tematy:
coastal lakes
diatom communities palaeoreconstructions
Gardno-Łeba Lowland
Opis:
This study focuses on diatom assemblages occurring in core Łeb1 of Late-glacial and Holocene deposits from Lake Łebsko, off the southern coast of the Baltic Sea. Diatom-inferred environmental characteristics, e.g., water level, water salinity (conductivity), trophic status and pH, from the Holocene are presented. In the sediments from the early Boreal/early Atlantic period, an increase in the participation of brackish-freshwater species is observed, as well as increased numbers of Chaetoceros spores in the samples. The Atlantic sediments of Lake Łebsko mirror conditions typical of the Littorina Sea phase during the development of the Baltic Sea (from c. 7,500 BP to c. 5,000 BP). However, communities of that period dominated by fresh-brackish water species suggest the relatively low salinity of the waters. The presence of isolated frustules of Terpsinoë americana and other typically marine species, e.g., Mastogloia smithii, and the occurrence of silts with Cardium shell detritus point to the Littorina transgression and the functioning of a lagoon within the area of present-day Lake Łebsko. During Subboreal occurrence, a higher number of brackish-freshwater diatoms corresponds to an increase in the water level of the Baltic Sea (approximately 3,000 14C BP). Changes in diatom community structure imply a close relationship with the climate controlled eustatic rise of ocean level and the consequent Littorina transgression, as with other southern Baltic Sea localities.
Źródło:
Landform Analysis; 2015, 29; 81-90
1429-799X
Pojawia się w:
Landform Analysis
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Diversity of Fish and Zoobenthic Communities in Lowland River Related to the Factors of Hydromorphological, River Continuum and Pollution Disturbances
Autorzy:
Golski, Janusz
Dajewski, Krzysztof
Urbańska, Maria
Andrzejewski, Wojciech
Runowski, Sławomir
Powiązania:
https://bibliotekanauki.pl/articles/2069890.pdf
Data publikacji:
2021
Wydawca:
Politechnika Koszalińska. Wydawnictwo Uczelniane
Tematy:
lowland stream
anthropopressure
fish fauna
benthic macroinvertebrates
biodiversity
Opis:
The response of zoobenthos and ichthyofauna to different levels of habitat degradation was estimated on a small lowland river. The level of fragmentation, the hydromorphological modifications of the watercourse bed, and the water quality of different river stretches were assessed as proxies of the degree of anthropogenic transformation of habitats. The degree of fauna similarity between the study sites, as well as the relationships between habitat quality and biotic indexes were estimated. A strong response of both assemblages to changes in environmental conditions was demonstrated, however, reaction to individual pressures differs. This confirms that these organisms are excellent, universal bioindicators and both groups should be used together. The key role of a well developed riparian zone in shaping the diversity of freshwater biota has also been demonstrated.
Źródło:
Rocznik Ochrona Środowiska; 2021, 23; 845--867
1506-218X
Pojawia się w:
Rocznik Ochrona Środowiska
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Impact of the Kowalskie Reservoir on the Hydrological Regime Alteration of the Główna River
Autorzy:
Sojka, M.
Jaskuła, J.
Wicher-Dysarz, J.
Dysarz, T.
Powiązania:
https://bibliotekanauki.pl/articles/124289.pdf
Data publikacji:
2016
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
lowland river
reservoir
hydrological regime
water stage
discharge
Opis:
This paper present an assessment of the impact of the Kowalskie reservoir on the hydrological regime alteration of the Główna river. The Główna river is a right tributary of the Warta river. The Kowalskie reservoir was built in 1984. The area of the reservoir in the normal condition is 203 ha and total capacity is 6.58×106 m3. The impact of the Kowalskie reservoir on the hydrological regime was made on the basis of RVA method. The assessment was based on the analysis of flow series from the period of 1971–2012. The calculations were done by means of IHA software version 7.1.0.10 developed by The Nature Conservancy (2009). This study indicate that the Kowalskie reservoir has an impact on two group of flow parameters that characterized frequency and duration of high and low pulses as well as rate and frequency of water condition change. The others flow parameters characterized magnitude and duration of annual extreme water conditions are less affected by the Kowalskie reservoir. This study show that Kowalskie reservoir play important role in flood protection. Additionally the reservoir operation has an positive effect on minimum flows characteristic and base flow index.
Źródło:
Journal of Ecological Engineering; 2016, 17, 4; 91-98
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Stratigraphy and lithology of Quaternary sediments in the Kleczew region and in key sections of the eastern Wielkopolska Lowland, central Poland
Autorzy:
Widera, M.
Powiązania:
https://bibliotekanauki.pl/articles/2059428.pdf
Data publikacji:
2000
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Wielkopolska Lowland
Quaternary
Pleistocene
stratigraphy
lithology
key section
Opis:
The stratigraphy and lithology of the Quaternary deposits of the Kleczew region are analysed in a regional context. They can be correlated with the Preglacial, Narevian(?), South Polish, Middle Polish and Vistulian Glaciations, and the Podlasian, Zbójno and Eemian Interglacials. Large glaciotectonic structures, commonly encountered in lignite mines, proved useful in correlating grey tills of the older Pleistocene glaciations. Lithology, stratigraphy, thickness and palaeomorphology of the Pleistocene sediments were presented in the key sites Konin-Marantów, Mikorzyn, Sławoszewek and in 6 borehole sections. A regional lithostratigraphic scheme of the Quaternary in the eastern Wielkopolska Lowland was constructed basing on petrographic coefficients of tills, lithology, genesis and, finally, on hypsometric setting and thickness. In the light of these studies the maximum ice sheet unit of the Oldest Glaciation should be moved to the south from Kleczew. Moreover, tills of the Odranian, Wartanian and Vistulian Glaciations were found.
Źródło:
Geological Quarterly; 2000, 44, 2; 211-220
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Charakterystyka występowania wezbrań i niżówek w małej zlewni i Nziny Mazowieckiej
Characteristic of occurrence of floods and streamflow droughts in a small Mazovian Lowland catchment
Autorzy:
Kaznowska, E.
Hejduk, A.
Hejduk, L.
Powiązania:
https://bibliotekanauki.pl/articles/338054.pdf
Data publikacji:
2015
Wydawca:
Instytut Technologiczno-Przyrodniczy
Tematy:
niżówki
wezbrania
zlewnia nizinna
floods
low waters
lowland catchment
Opis:
Celem pracy jest charakterystyka występowania wezbrań i niżówek w użytkowanej rolniczo zlewni rzeki Zagożdżonki w profilu Płachty Stare i Czarna, na podstawie hydrogramu przepływów dobowych. Badana zlewnia monitorowana jest przez Katedrę Inżynierii Wodnej SGGW w zakresie wybranych wielkości hydrometeorologicznych od 1962 r. i należy do nielicznej grupy małych zlewni badawczych w Polsce, posiadających kilkudziesięcioletnie dane pomiarowe. W pracy wezbrania i niżówki zdefiniowano za pomocą przepływów granicznych, odcinających poszukiwane zjawiska na hydrogramach przepływów dobowych. Okres badawczy obejmował 50 lat (1963–2012) dla profilu Płachty Stare i 22 lata (1991–2012) dla profilu Czarna. Dla obu profili określono i porównano częstość i okres występowania zjawisk oraz ich parametry ilościowe. W badanych kilku dziesięcioleciach w zlewni rzeki Zagożdżonki przepływy wezbraniowe i niżówkowe stanowiły do 10% wszystkich zaobserwowanych dobowych przepływów. W zlewni stwierdzono dominację wezbrań w półroczu zimowym, a niżówek w półroczu letnim. Wraz z przyrostem powierzchni zlewni zauważono wzrost częstości występowania niżówek, wydłużenie czasu ich trwania i zwiększenie objętość deficytu, natomiast w przypadku wezbrań spadek ich liczby, mimo wzrostu czasu ich trwania i objętości.
The aim of the study was to characterise the occurrence of floods and streamflow droughts in the catchment of the Zagożdżonka River in two gauging stations: Płachty Stare and Czarna, based on the daily flow hydrographs. The study catchment is monitored by the Department of Water Engineering, Warsaw University of Life Sciences since 1962 and is one of the few small catchments in Poland with such a long data set. To define floods and low waters, the cut-off limit on the daily hydrographs has been used. The research covered the period of 50 years (1963–2012) for the Płachty Stare gauging station and 22 years (1991–2012) for Czarna one. The frequency of occurrence, the duration of analysed phenomena and their quantitative parameters were determined and compared for both stations. Floods and droughts in the Zagożdżonka River during analysed period of time were calculated as 10% of all observed daily flows. Floods dominate in the winter half of hydrological year, streamflow droughts occur in the first half of summer season. Along with increasing catchment area, increased frequency, duration and water deficit of droughts were noted. The frequency of flood occurrence decreased with the increasing catchment area.
Źródło:
Woda-Środowisko-Obszary Wiejskie; 2015, 15, 3; 45-59
1642-8145
Pojawia się w:
Woda-Środowisko-Obszary Wiejskie
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Fennoscandian erratics in glacial deposits of the polish lowland - Methodical aspects
Autorzy:
Górska, Maria
Powiązania:
https://bibliotekanauki.pl/articles/2027069.pdf
Data publikacji:
2006
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
indicator and statistical erratics
glacial deposits
Polish Lowland
Vistulian
Opis:
In the gla cial de pos its of the Pol ish Low land, there are er ratic boul ders drifted with the last con ti nen tal ice sheet. Their out crops are situ ated in the Bal tic Shield area as well as south of it, in the bot tom of the cen tral and south ern Bal tic Sea. In di ca tor er rat ics, sta tis ti cal er rat ics and the oth ers can be dis tin guished in coarse- gravels as so cia tions. The stud ies on iden ti fi ca tion of the in di ca tor er rat ics are de signed for speci fi ca tion of the Scan di na vian and Bal tic ali men ta tion cen - tres of gla cial tills of dif fer ent age and their flu vio gla cial coun ter parts; they are also aimed at de ter min ing the di rec tion of the dis tant trans port as well as the ice- sheet and its streams’ trans gres sion routes to the depo si tion places. Ef fec tive - ness of the analy sis de pends to a large ex tent on the cor rect clas si fi ca tion of er rat ics, and this abil ity hap pens in turn to be bur dened with a sub jec tive evalua tion of the clearly visi ble fea tures of an er ratic. In the pres ent pa per, an at ten tion is paid to ad van tages and dis ad van tages of the analy sis on the in di ca tor boul ders of the gla cial de pos its.
Źródło:
Studia Quaternaria; 2006, 23; 11-15
1641-5558
2300-0384
Pojawia się w:
Studia Quaternaria
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Unionid clams and the zebra mussels on their shells (Bivalvia: Unionidae, Dreissenidae) as hosts for trematodes in lakes of the Polish lowland
Autorzy:
Marszewska, A.
Cichy, A.
Powiązania:
https://bibliotekanauki.pl/articles/83142.pdf
Data publikacji:
2015
Wydawca:
Uniwersytet Mikołaja Kopernika. Wydział Biologii i Ochrony Środowiska. Stowarzyszenie Malakologów Polskich
Tematy:
unionid clam
zebra mussel
shell
Bivalvia
Unionidae
Dreissena polymorpha
Dreissenidae
Digenea
Aspidogastrea
Rhipidocotyle
Phyllodistomum
Aspidogaster
prevalence
host
trematode
lake
lowland
Polish lowland
Źródło:
Folia Malacologica; 2015, 23, 2
1506-7629
Pojawia się w:
Folia Malacologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 137

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