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Wyszukujesz frazę "Stancikaite, M." wg kryterium: Autor


Wyświetlanie 1-4 z 4
Tytuł:
Geological development of the Nemunas River Delta and adjacent areas, West Lithuania
Autorzy:
Bitinas, A.
Damusyte, A.
Stančikaite, M.
Aleksa, P.
Powiązania:
https://bibliotekanauki.pl/articles/2059891.pdf
Data publikacji:
2002
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Lithuania
Lithuanian Maritime region
Nemunas Delta
Late Glacial
Holocene
geochronology
palaeogeography
Opis:
Geological mapping at a scale of 1:50 000 of the Lithuanian Maritime region has recently been focused on the delta of the Nemunas River and its surroundings. Pollen, diatom and mollusc analyses, lithological investigations, and radiocarbon and optically stimulated luminescence dates have enabled stratigraphic correlation of the Late Glacial and Holocene deposits which make up this delta. Palaeogeographical reconstructions of the southern part of the Lithuanian Maritime region during the maximum extent of the Baltic Ice Lake (~12 000-11 200 years BP), the Ancylus Lake (~8 700-8 500 years BP), the Litorina Sea (~6 100 years BP) and the Post-Litorina Sea (~4 000 years BP) have been made. A geological and geomorphological model of the Nemunas River Delta and its adjacent areas has been constructed. Our results suggest that that part of Nemunas River Delta in Lithuania is very young, having formed during the last 1 000-1 100 years.
Źródło:
Geological Quarterly; 2002, 46, 4; 375-390
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Environment and man around Lakes Duba and Pelesa, SE Lithuania, during the Late Glacial and Holocene
Autorzy:
Stančikaite, M.
Kabailiene, M.
Ostrauskas, T.
Guobyte, R.
Powiązania:
https://bibliotekanauki.pl/articles/2059887.pdf
Data publikacji:
2002
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Lithuania
SE Lithuania
Holocene
Late Glacial
environmental changes
human impact
Opis:
Interdisciplinary investigations (pollen and diatom analysis, 14C dating and geological-geomorphological and archaeological data) around Lakes Duba and Pelesa, in SE Lithuania, have elucidated the environmental history and human impact throughout the Late Glacial and Holocene. Aerial photograph interpretations indicate that both lakes are residual basins of one Post-Glacial palaeolake outside the morainic relief of the Nemunas (Weichselian) Glaciation. Pollen assemblages from lacustrine deposits date back to the Older Dryas (Lake Duba) and Alleröd (Lake Pelesa) and cover all chronozones of the Post-Glacial. Diatom analysis has illustrated the palaeoecological conditions in the lakes and helped reconstruct successive water levels throughout the last 12300 radiocarbon years. Diatom abundance and the distribution of the planktonic, benthic and epiphytic species suggest a lowering of Lake Duba and Lake Pelesa at (e.g.) 11900-10900 14C BP, (e.g.) 10000-8100 14C BP and (e.g.) 3700-2500 14C BP. Pollen data suggest that the earliest signs of human impact and local forest clearances data from about (e.g.) 8400-8300 14C BP. The first record of cereal pollen in sediments dates from earlier than (e.g.) 6000 14C BP. Therefore, agriculture was introduced into the area not earlier than the second half of the Midle Neolithic, at about (e.g.) 5000-4400 14C BP. Continous indications of agriculture and progressive clearing of woodland is consistent with the increasing role of a farming economy during the Bronze Age. Since the 1800-1900 14C BP formation of an open canopy, increasing soil erosion and changes in vegetation emphasize the remarkable human impact on the environment.
Źródło:
Geological Quarterly; 2002, 46, 4; 391-410
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Vegetation responses to climatic changes during the late glacial according to palaeobotanical data in western Lithuania : a preliminary results
Autorzy:
Kisieliene, D.
Stancikaite, M.
Merkevicius, A.
Namickiene, R.
Powiązania:
https://bibliotekanauki.pl/articles/1186082.pdf
Data publikacji:
2005
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
environmental changes
pollen and plant macroremains
Late Glacial
western Lithuania
Opis:
The organic-rich material has been studied from the bottom part of lacustrine sediments of the Lake Kasuciai, western Lithuania. Radiocarbon dates and palaeobotanical data showed that these sediments accumulated between 13,500 and 9000 14C yr BP. The Late Glacial interstadial is defined by the dominance of Characeae and accumulation of carbonate. The Bolling is characterized by the pioneer taxa and the communities of open habitats. During the Allerod pine replaced the light demanding taxa that show development of a closer woodland habitat and dryness of climate. The short period between Bolling and Allerod with increasing representation of Betula and plants typical for the highly eroded habitats could be correlated with Older Dryas. The onset of the Younger Dryas is marked by degradation of the forest cover and expansion of heliophytic grasses. Entire vegetation cover with birch and pine forest was settled during the Preborial. Formation of calcareous sediments and appearance of thermophilous taxa confirm the climatic amelioration.
Źródło:
Polish Geological Institute Special Papers; 2005, 16; 45--52
1507-9791
Pojawia się w:
Polish Geological Institute Special Papers
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Post-glacial vegetation and environment of the Labanoras Region, East Lithuania: implications for regional history
Autorzy:
Gaidamavičius, A.
Stančikaite, M.
Kisieliene, D.
Mažeika, J.
Gryguc, G.
Powiązania:
https://bibliotekanauki.pl/articles/2059149.pdf
Data publikacji:
2011
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
E Lithuania
post-glacial
environment
vegetation dynamics
plant macrofossil
pollen
Opis:
Multiproxy data (pollen, plant macrofossils, 14C dates and loss-on--ignition measurements) obtained from the Bevardis and Verpstinis lakes in the Labanoras area (East Lithuania) were used to reconstruct a vegetation history and to reveal major environmental features during post-glacial time. Biostratigraphical data indicates ongoing sedimentation in Verpstinis Lake since the final stages of the AllerÝd. The pollen data shows that Pinus-dominated forest flourished during the AllerÝd, while the Younger Dryas was characterized by open shrub/herb/grass vegetation with highly abundant Juniperus. These are evidences of severe climatic conditions in the area. The 14C data suggests that sedimentation started in Bevardis Lake with the onset of the Holocene. Picea immigrated into the Verpstinis Lake surroundings in the Late Glacial, just before 11 500 cal yr BP according to the palynological evidence. The expanding deciduous taxa, e.g., Corylus (ca. 10 200-10 000 cal yr BP), Alnus (8200-8000 cal yr BP), and broad-leaved species with Ulmus (ca. 10 000 cal yr BP), Tilia (7700-7400 cal yr BP) and Quercus (5200 cal yr BP), formed a dense mixed forest where Picea appeared at 7300-6800 cal yr BP. Both diagrams show only negligible human impact. It seems that natural factors were responsible for the formation of vegetation cover and environment in the study area throughout the post-glacial.
Źródło:
Geological Quarterly; 2011, 55, 3; 269-284
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-4 z 4

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