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High-resolution record of Late Saalian and Eemian palaeoenvironments : the case study of Struga and Parysów (central Poland)

100%

Bober A. , Drzymulska D. , Stachowicz-Rybka R. , Kończak M. , Żarski M.

Geological Quarterly

2023

tom Vol. 67, No. 3

art. no. 37

Eemian organogenic deposits, analysed at the Struga and Parysów sites (Garwolin Plain, central Poland), reveal the vegetation history. Palynological analysis supported by plant macrofossil analysis revealed a pollen succession encompassing seven regional pollen assemblages zones, E1-E7 RPAZ, within which indicator taxa for various climate characteristics (mainly temperature and humidity, including Tilia tomentosa and Hedera helix) were recorded. Additionally, the Struga G-120 profile encompasses a Late Saalian section of deposits in which stadial and interstadial oscillations are inferred. The data corroborated earlier findings that the warmest and wettest part of the Eemian interglacial was during the hazel phase (E4 RPAZ) and the beginning of the hornbeam phase (E5 RPAZ). The younger part of the hornbeam phase bears the record of a decrease in humidity and gradual drop in air temperature. During the telocratic period encompassing the spruce-fir (E6 RPAZ) and pine (E7 RPAZ) phases, increased humidity and rising water levels in the lakes studied are again evident. The reconstructed plant succession and climatic conditions are discussed against a broader background of other Eemian profiles from Poland and neighbouring countries. They largely confirm that, at that time, the Garwolin Plain showed characteristics typical of a transitional climate from oceanic in Western Europe to continental beyond the eastern borders of Poland.

Mollusc faunas of lake deposits in Gorzów Wielkopolski (NW Poland) as an indicator of environmental changes during Eemian and Early Weichselian

86%

Alexandrowicz W. P. , Skoczylas S. , Sobczyk A. , Stefaniak K. , Kotowski A. , Przybylski B. , Ciszek D. , Badura J. , Urbański K.

Geological Quarterly

2021

tom Vol. 65, No. 3

art. no. 36

During the construction of the S-3 road near Gorzów Wielkopolski, a sedimentary succession of the Eemian Interglacial and the older part of the Weichselian Glaciation were exposed. The succession, ~22 m thick, consists of lacustrine and fluvioglacial deposits. Lake sediments, mainly calcareous gyttja with peat intercalations, represent the infills of two palaeolakes. The almost complete skeleton of a forest rhinoceros, Stephanorhinus kirchbergensis, and a bone of the fallow deer Dama dama were found in the older lake deposits. Mollusc shells were numerous in both lake sequences, analysis of which revealed two types of assemblage, representing the coastal, littoral zone of a shallow lake with a muddy bottom. The sequence of mollusc communities observed in vertical succession allowed reconstruction of environmental changes during deposition. Several hydrological changes have been recognized within the palaeolake, especially water level fluctuations probably due to climate change.

Pojezierze eemskie: uwagi o genezie i zaniku jezior polodowcowych centralnej Polski

72%

Roman M.

tom 105

11-25

Artykuł prezentuje aktualny stan rozpoznania stanowisk eemskich w centralnej Polsce oraz uwagi natury pale - ogeograficznej wynikające z analizy ich rozprzestrzenienia, w nawiązaniu do genezy mis jeziornych, charakteru wypełnień i paleoreliefu. Zestawiono 58 stanowisk posiadających paleobotanicznie udokumentowane osady z interglacjału eemskiego oraz wyszczególniono kolejnych 30 miejsc występowania kopalnych osadów organogenicznych uznanych za eemskie. Wskazano, wykorzystując także materiały dotychczas niepublikowane, na znaczne zagęszczenie kopalnych zbiorników, porównywalne z obecnym rozprzestrzenieniem jezior na pojezierzach północnej Polski. Określono, na podstawie danych palinostratygraficznych, że zanik jezior polodowcowych mógł trwać nawet około 80 tys. lat.

The article presents the current state of recognizing of the Eemian subfossil flora sites in central Poland and palaeogeographic remarks resulting from the analysis of their distribution in relation to the origin of palaeolakes, the nature of their infillings and palaeolandscape. 58 sites in the area with palaeobotanic documentation of the Eemian interglacial have been summarized and also following 30 places of fossil organogenic deposits considered as Eemian were listed. Indicated have been, also using the materials previously unpublished, a significant frequency of the fossil lake depressions comparable with the present spread of lakes in the northern Poland lakelands (lake districts). It has been determined, referring to palynostratigraphy, that the decline of glacial lakes may take up to ca 80 thousand years.

Kontrowers - a new locality of the Eemian interglacial and the Early Vistulian at Zelechow Upland [Eastern Poland]

58%

Kupryjanowicz M. , Zarski M. , Drzymulska D.

2003

tom 43

nr 1