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Wyszukujesz frazę "Eemian Inter gla cial" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Development of the Kubłowo palaeolake, central Poland, during the Eemian Interglacial as against subfossil Cladocera analysis – preliminary results
Autorzy:
Niska, Monika
Roman, Małgorzata
Powiązania:
https://bibliotekanauki.pl/articles/2027365.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Cladocera anal y sis
Eemian Inter gla cial
palaeoenvironment
cen tral Po land
Opis:
The re sults of anal y sis of Cladocera oc cur rence in lac us trine sed i ments from the Kub³owo site have been pre sented. Lac us trine and peat de pos its found there have been pre vi ously an a lyzed for pol len con tent (depth of 11.1–3.8 m) and rep re sent a lon gest con tin u ous Eemian–Vistulian suc ces sion in cen tral Po land (Ro man and Balwierz, 2010). Cladocera anal y sis was car ried out on 25 sam ples from the depth of 9.20–10.5 m of an Eemian age sec tion. The sec tion con - sists of fine or ganic sand, silt with or ganic mat ter and gyttja. Iden ti fied were 19 spe cies of subfossil Cladocera and five zones of fauna de vel op ment were dis tin guished. In the early and mid-Eemian low fre quency zoo plank ton in the palaeolake has been found. Best con di tions for zoo plank ton de vel op ment oc curred in the late Eemian (R PAZ E6, E7). At the end of the Eemian a sig nif i cant change of cli mate in a de te ri o ra tion of en vi ron men tal con di tions and de creased pres ence of zoo plank ton has been noted. Cladocera re sults and the pol len data en able a re con struc tion of the cli ma tic and en vi ron men tal changes in the Kub³owo palaeolake.
Źródło:
Studia Quaternaria; 2014, 31; 31-37
1641-5558
2300-0384
Pojawia się w:
Studia Quaternaria
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
History of development and terrestrialization of Lake Starowlany in the Eemian Interglacial on the basis of Cladocera analysis (Sokółka Hills, NE Poland)
Autorzy:
Niska, Monika
Kołodziej, Anna
Powiązania:
https://bibliotekanauki.pl/articles/2025762.pdf
Data publikacji:
2015
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Cladocera anal y sis
Eemian Inter gla cial
palaeolake de vel op ment
NE Po land
Opis:
This pa per pres ents de vel op ment of the paleolake Starowlany ex ist ing in the Eemian Inter gla cial (MIS 5e) in north - east ern Po land. The lake his tory is based on Cladocera anal y sis. The paleolake Starowlany is lo cated in the cen tral part of the Sokó³ka Hills, ap prox i mately 9 km north of the town of Sokó³ka in the North Podlasie Low land. The sed i ments stud ied filled a south ern part of a tun nel val ley formed dur ing the Warta Gla ci ation. The cor ing was car ried out with a geo log i cal drill ing and con sti tuted a part of the frame work aimed at pre par ing the Sokó³ka sheet for the De tailed Geo - log i cal Map of Po land in scale 1:50 000. The core was 7 m long. Peaty silt, peats and or ganic silt were pres ent at the depth of 4.0–6.6 m, un der deluvial sands, tills and silt. Or ganic se ries was over lain by a clayey silt with no gla cial cover. Cladocera anal y sis was con ducted with 20 sam ples from a depth in ter val 6.6–4.1 m. Re mains of 17 spe cies of Cladocera were found, rep re sent ing the fam i lies: Chydoridae, Sididae and Bosminidae. A vast ma jor ity of them were the lit to ral spe cies. In the paleolake Starowlany four de vel op ment zones were dis tin guished that re flected changes as re gards tem per a ture, trophic lev els and changes of wa ter level in the lake. The paleolake ex isted from the early un til the mid dle Eemian. The high est wa ter level and the most fa vor able con di tions for zoo plank ton de vel op ment oc curred in zones SCZ I and II. The high est trophic level took place in SCZ III (mid dle Eemian). In the late Eemian the wa ter level dropped and the paleolake was trans formed into a wet land. At cer tain points, the higher wa ter level en abled ex is - tence of a few Cladocera spe cies. The rea sons for dis ap pear ance of the paleolake Starowlany in cluded a lo cal de crease in ground wa ter lev els as well as morphometric and geo log i cal char ac ter is tics of the lake.
Źródło:
Studia Quaternaria; 2015, 32; 43-52
1641-5558
2300-0384
Pojawia się w:
Studia Quaternaria
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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