Testate amoebae and environmental features of polygon tundra in the Indigirka lowland (East Siberia)
Polygon tundra characterizes large areas of arctic lowlands. The micro-relief pattern within polygons offers differentiated habitats for testate amoeba (testacean) communities. The objective of this study was to relate testacean species distribution within a polygon to the environmental setting. The...
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| Veröffentlicht in: | Polar biology 2013-06, Vol.36 (6), p.857-870 |
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| creator | Bobrov, A. A. Wetterich, S. Beermann, F. Schneider, A. Kokhanova, L. Schirrmeister, L. Pestryakova, L. A. Herzschuh, U. |
| description | Polygon tundra characterizes large areas of arctic lowlands. The micro-relief pattern within polygons offers differentiated habitats for testate amoeba (testacean) communities. The objective of this study was to relate testacean species distribution within a polygon to the environmental setting. Therefore, testaceans from four cryosol pits dug at different locations within a low-centered polygon were studied in the context of pedological and pedochemical data, while ground temperature and ground moisture were measured over one summer season. The study site is located on the Berelekh River floodplain (Indigirka lowland, East Siberia). The environmental data sets reflect variations along the rim-to-center transect of the polygon and in different horizons of each pit. The testacean species distribution is mainly controlled by the soil moisture regime and pH. Most of the identified testaceans are cosmopolitans; eight species are described from an arctic environment for the first time. Differences in environmental conditions are controlled by the micro-relief of polygon tundra and must be considered in arctic lowland testacean research because they bias species composition and any further (paleo-)ecological interpretation. |
| doi_str_mv | 10.1007/s00300-013-1311-y |
| format | Article |
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A. ; Wetterich, S. ; Beermann, F. ; Schneider, A. ; Kokhanova, L. ; Schirrmeister, L. ; Pestryakova, L. A. ; Herzschuh, U.</creator><creatorcontrib>Bobrov, A. A. ; Wetterich, S. ; Beermann, F. ; Schneider, A. ; Kokhanova, L. ; Schirrmeister, L. ; Pestryakova, L. A. ; Herzschuh, U.</creatorcontrib><description>Polygon tundra characterizes large areas of arctic lowlands. The micro-relief pattern within polygons offers differentiated habitats for testate amoeba (testacean) communities. The objective of this study was to relate testacean species distribution within a polygon to the environmental setting. Therefore, testaceans from four cryosol pits dug at different locations within a low-centered polygon were studied in the context of pedological and pedochemical data, while ground temperature and ground moisture were measured over one summer season. The study site is located on the Berelekh River floodplain (Indigirka lowland, East Siberia). The environmental data sets reflect variations along the rim-to-center transect of the polygon and in different horizons of each pit. The testacean species distribution is mainly controlled by the soil moisture regime and pH. Most of the identified testaceans are cosmopolitans; eight species are described from an arctic environment for the first time. Differences in environmental conditions are controlled by the micro-relief of polygon tundra and must be considered in arctic lowland testacean research because they bias species composition and any further (paleo-)ecological interpretation.</description><identifier>ISSN: 0722-4060</identifier><identifier>EISSN: 1432-2056</identifier><identifier>DOI: 10.1007/s00300-013-1311-y</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer-Verlag</publisher><subject>Amoeba ; Arctic environments ; Biomedical and Life Sciences ; Ecology ; Environment ; Environmental conditions ; Floodplains ; Life Sciences ; Microbiology ; Oceanography ; Original Paper ; Plant Sciences ; Polygons ; Soil moisture ; Species composition ; Taiga & tundra ; Tundra ; Zoology</subject><ispartof>Polar biology, 2013-06, Vol.36 (6), p.857-870</ispartof><rights>Springer-Verlag Berlin Heidelberg 2013</rights><rights>COPYRIGHT 2013 Springer</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c431t-bcd131c125455c3ec3ffa7cb5d135a5046011142b27e259f8c8cd8416313fb813</citedby><cites>FETCH-LOGICAL-c431t-bcd131c125455c3ec3ffa7cb5d135a5046011142b27e259f8c8cd8416313fb813</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s00300-013-1311-y$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s00300-013-1311-y$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids></links><search><creatorcontrib>Bobrov, A. 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A.</au><au>Wetterich, S.</au><au>Beermann, F.</au><au>Schneider, A.</au><au>Kokhanova, L.</au><au>Schirrmeister, L.</au><au>Pestryakova, L. A.</au><au>Herzschuh, U.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Testate amoebae and environmental features of polygon tundra in the Indigirka lowland (East Siberia)</atitle><jtitle>Polar biology</jtitle><stitle>Polar Biol</stitle><date>2013-06-01</date><risdate>2013</risdate><volume>36</volume><issue>6</issue><spage>857</spage><epage>870</epage><pages>857-870</pages><issn>0722-4060</issn><eissn>1432-2056</eissn><abstract>Polygon tundra characterizes large areas of arctic lowlands. The micro-relief pattern within polygons offers differentiated habitats for testate amoeba (testacean) communities. The objective of this study was to relate testacean species distribution within a polygon to the environmental setting. Therefore, testaceans from four cryosol pits dug at different locations within a low-centered polygon were studied in the context of pedological and pedochemical data, while ground temperature and ground moisture were measured over one summer season. The study site is located on the Berelekh River floodplain (Indigirka lowland, East Siberia). The environmental data sets reflect variations along the rim-to-center transect of the polygon and in different horizons of each pit. The testacean species distribution is mainly controlled by the soil moisture regime and pH. Most of the identified testaceans are cosmopolitans; eight species are described from an arctic environment for the first time. Differences in environmental conditions are controlled by the micro-relief of polygon tundra and must be considered in arctic lowland testacean research because they bias species composition and any further (paleo-)ecological interpretation.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer-Verlag</pub><doi>10.1007/s00300-013-1311-y</doi><tpages>14</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | Polar biology, 2013-06, Vol.36 (6), p.857-870 |
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| subjects | Amoeba Arctic environments Biomedical and Life Sciences Ecology Environment Environmental conditions Floodplains Life Sciences Microbiology Oceanography Original Paper Plant Sciences Polygons Soil moisture Species composition Taiga & tundra Tundra Zoology |
| title | Testate amoebae and environmental features of polygon tundra in the Indigirka lowland (East Siberia) |
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