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Bibliographic Details
Main Authors: Schirrmeister, Lutz, Herzschuh, Ulrike, Pestryakova, Luidmila A, Wetterich, Sebastian, Bobrov, Anatoly A, Frolova, Larisa A, Ushnitskaya, Lena A, Levina, Sardana N, Schneider, Andrea, Nigamatzyanova, Gulnara R
Format: Dataset Open Access
Language:en
Published: PANGAEA 2022
Subjects:
Achnanthes spp.; Achnanthidium minutissimum; Amphora libyca; Amphora ovalis; Asterionella formosa; Aulacoseira distans; Aulacoseira spp.; Aulacoseira subarctica; AWI_Envi; AWI_KYT-1; AWI_KYT-10; AWI_KYT-11; AWI_KYT-12; AWI_KYT-13; AWI_KYT-14; AWI_KYT-15; AWI_KYT-16; AWI_KYT-17; AWI_KYT-18; AWI_KYT-19; AWI_KYT-2; AWI_KYT-20; AWI_KYT-21; AWI_KYT-22; AWI_KYT-23; AWI_KYT-24; AWI_KYT-25; AWI_KYT-26; AWI_KYT-27; AWI_KYT-3; AWI_KYT-4; AWI_KYT-5; AWI_KYT-6; AWI_KYT-7; AWI_KYT-8; AWI_KYT-9; AWI_Perma; AWI Arctic Land Expedition; Brachysira brebissonii; Caloneis silicula; Chrysophyta; Cyclotella spp.; Cymbella cistula; Cymbella spp.; Cymbopleura angustata; Cymbopleura cuspidata; Cymbopleura lapponica; Cymbopleura naviculiformis; Cymbopleura stauroneiformis; Cymbopleura subcuspidata; Cymbopleura tynnii; Date/Time of event; Diatoma tenuis; Diatoms; Diatoms, total, per unit sediment mass; Diploneis ovalis; Encyonema alpinum; Encyonema caespitosum; Encyonema gracile; Encyonema hebridicum; Encyonema mesianum; Encyonema minutum; Encyonema paucistriatum; Encyonopsis cesatii; environmental data; Eunotia ambivalens; Eunotia arculus; Eunotia arcus; Eunotia bilunaris; Eunotia denticulata; Eunotia flexuosa; Eunotia formica; Eunotia implicata; Eunotia incisa; Eunotia intermedia; Eunotia minor; Eunotia monodon; Eunotia nymanniana; Eunotia paludosa; Eunotia parallela; Eunotia parallela var. angusta; Eunotia praerupta; Eunotia pseudopectinalis; Eunotia septentrionalis; Eunotia silvahercynia; Eunotia subarcuatoides; Eunotia tenella; Eunotia triodon; Event label; Field observation; Fragilaria capucina; Fragilaria spp.; freshwater diatoms; freshwater ostracodes; Gomphonema acuminatum; Gomphonema angustum; Gomphonema gracile; Gomphonema lagerheimii; Gomphonema minutum; Gomphonema olivaceum; Gomphonema parvulum; Gomphonema truncatum; Hannaea arcus; Hydrochemistry; hydrological data; Kytalyk; Kytalyk2011; LAKE; Latitude of event; Longitude of event; Navicula cryptocephala; Navicula radiosa; Navicula rhynchocephala; Navicula spp.; Neidium affine; Neidium ampliatum; Neidium apiculatum; Neidium bisulcatum; Neidium hitchcockii; Neidium iridis; Neidium perminutum; Neidium productum; Neidium vernale; Nitzschia dissipata; Nitzschia hantzschiana; Nitzschia palea; Nitzschia spp.; Permafrost; Permafrost Research; Pinnularia brevicostata; Pinnularia interrupta; Pinnularia microstauron; Pinnularia nodosa; Pinnularia spp.; Pinnularia subcapitata; Pinnularia viridis; Polar Terrestrial Environmental Systems @ AWI; POLYGON; polygonal landscapes; Polygons in tundra wetlands: state and dynamics under climate variability in Polar Regions; Polygon type; Pseudostaurosira brevistriata; Rhopalodia gibba; RU-Land_2011_Kytalyk; Sample code/label; Sampling lake; sediment data; Sellaphora bacillum; Sellaphora pupula; Stauroneis anceps; Stauroneis gracilis; Stauroneis phoenicenteron; Stauroneis siberica; Staurosira venter; Staurosirella pinnata; Stereo microscope (Zeiss, Axiostar); Surirella minuta; Tabellaria fenestrata; Tabellaria flocculosa; tecamoebae; Terrain; Ulnaria biceps; zoobenthos; Zooplankton
Online Access:https://doi.org/10.1594/PANGAEA.946885
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Table of Contents:
  • Patterned ground of the polygonal tundra yields sensitive indicators of environmental and climate change. Polygon ponds, mires and cryosoils are typical components of Arctic Siberian wetlands underlain by permafrost. Field studies of recent environmental dynamics were carried out in the Indigirka lowland in summer 2011 and 2012. Using a multidisciplinary approach, several stages of polygonal systems were studied as modern tundra habitats in the surrounding of the WWF station Kytalyk at the Berelekh River, a tributary of the Indigirka River. The floral and faunal associations of the polygonal tundra landscape were described. Ecological, hydrological, meteorological, limnological and cryological features were analyzed in order to evaluate modern environmental conditions and their essential controlling parameters. A monitoring program was carried out to measure changes of air, water and ground temperatures as well as water conductivity, water level and soil moisture and to collect water, diatom, zooplankton, zoobenthos, tecamoebae, phytoplankton and ostracod samples. These data sets contain environmental field data, logger data, various ecological data, and analyses of sediments and water. This dataset comprises freshwater diatom abundance data in different water bodies from a polygonal tundra landscape, near the WWF station Kytalyk at the Berelekh River. Note: The uppermost cm of surface substrate was used for diatom analysis