Hotspots of kittiwakes Rissa tridactyla tridactyla on icebergs off southwest Greenland in autumn
The main aims of our long-term study on the quantitative at-sea distribution of the “upper trophic levels”—seabirds and marine mammals—in both polar areas are to identify and quantify the primary mechanisms influencing species distribution, as well as to detect possible temporal and spatial evolutio...
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| Veröffentlicht in: | Polar biology 2018-11, Vol.41 (11), p.2375-2378 |
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| description | The main aims of our long-term study on the quantitative at-sea distribution of the “upper trophic levels”—seabirds and marine mammals—in both polar areas are to identify and quantify the primary mechanisms influencing species distribution, as well as to detect possible temporal and spatial evolutions. During the Arctic circumpolar navigation on board icebreaking RV
Polarstern
in autumn (ARK-XXIII/3), 840 half-hour transect counts were devoted to the study of the at-sea distribution of seabirds and marine mammals from 12 August to 17 October 2008. High concentrations of kittiwakes
Rissa tridactyla
in adult summer plumage were tallied on and around a few icebergs off the southwest Greenland coast: close to 14,000 on three medium size icebergs on 15 and 16 August, and fewer on a small iceberg on 18 August, between 59°N and 70°N. These observations represented by far the majority (70%) of all kittiwakes encountered during the expedition. A possible interpretation is that these numbers, high in comparison with the local breeding population, are due to an influx of new kittiwakes in autumn, e.g. coming from more southern breeding populations in Europe. On the other hand, icebergs are known to attract actively feeding seabirds and/or marine mammals in both polar areas. |
| doi_str_mv | 10.1007/s00300-018-2356-8 |
| format | Article |
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Polarstern
in autumn (ARK-XXIII/3), 840 half-hour transect counts were devoted to the study of the at-sea distribution of seabirds and marine mammals from 12 August to 17 October 2008. High concentrations of kittiwakes
Rissa tridactyla
in adult summer plumage were tallied on and around a few icebergs off the southwest Greenland coast: close to 14,000 on three medium size icebergs on 15 and 16 August, and fewer on a small iceberg on 18 August, between 59°N and 70°N. These observations represented by far the majority (70%) of all kittiwakes encountered during the expedition. A possible interpretation is that these numbers, high in comparison with the local breeding population, are due to an influx of new kittiwakes in autumn, e.g. coming from more southern breeding populations in Europe. On the other hand, icebergs are known to attract actively feeding seabirds and/or marine mammals in both polar areas.</description><identifier>ISSN: 0722-4060</identifier><identifier>EISSN: 1432-2056</identifier><identifier>DOI: 10.1007/s00300-018-2356-8</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Aquatic birds ; Autumn ; Biomedical and Life Sciences ; Breeding ; Distribution ; Ecology ; Expeditions ; Gulls ; Icebergs ; Life Sciences ; Marine mammals ; Microbiology ; Navigation ; Oceanography ; Plant Sciences ; Plumage ; Rissa tridactyla ; Seabirds ; Short Note ; Trophic levels ; Zoology</subject><ispartof>Polar biology, 2018-11, Vol.41 (11), p.2375-2378</ispartof><rights>Springer-Verlag GmbH Germany, part of Springer Nature 2018</rights><rights>COPYRIGHT 2018 Springer</rights><rights>Polar Biology is a copyright of Springer, (2018). All Rights Reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c307t-cfd74a5f60477427bd11e801a247f2539e97c1bef87d3dcaa1c60224b6a08a7b3</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/s00300-018-2356-8$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s00300-018-2356-8$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27903,27904,41467,42536,51297</link.rule.ids></links><search><creatorcontrib>Joiris, Claude R.</creatorcontrib><title>Hotspots of kittiwakes Rissa tridactyla tridactyla on icebergs off southwest Greenland in autumn</title><title>Polar biology</title><addtitle>Polar Biol</addtitle><description>The main aims of our long-term study on the quantitative at-sea distribution of the “upper trophic levels”—seabirds and marine mammals—in both polar areas are to identify and quantify the primary mechanisms influencing species distribution, as well as to detect possible temporal and spatial evolutions. During the Arctic circumpolar navigation on board icebreaking RV
Polarstern
in autumn (ARK-XXIII/3), 840 half-hour transect counts were devoted to the study of the at-sea distribution of seabirds and marine mammals from 12 August to 17 October 2008. High concentrations of kittiwakes
Rissa tridactyla
in adult summer plumage were tallied on and around a few icebergs off the southwest Greenland coast: close to 14,000 on three medium size icebergs on 15 and 16 August, and fewer on a small iceberg on 18 August, between 59°N and 70°N. These observations represented by far the majority (70%) of all kittiwakes encountered during the expedition. A possible interpretation is that these numbers, high in comparison with the local breeding population, are due to an influx of new kittiwakes in autumn, e.g. coming from more southern breeding populations in Europe. On the other hand, icebergs are known to attract actively feeding seabirds and/or marine mammals in both polar areas.</description><subject>Aquatic birds</subject><subject>Autumn</subject><subject>Biomedical and Life Sciences</subject><subject>Breeding</subject><subject>Distribution</subject><subject>Ecology</subject><subject>Expeditions</subject><subject>Gulls</subject><subject>Icebergs</subject><subject>Life Sciences</subject><subject>Marine mammals</subject><subject>Microbiology</subject><subject>Navigation</subject><subject>Oceanography</subject><subject>Plant Sciences</subject><subject>Plumage</subject><subject>Rissa tridactyla</subject><subject>Seabirds</subject><subject>Short Note</subject><subject>Trophic 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at-sea distribution of the “upper trophic levels”—seabirds and marine mammals—in both polar areas are to identify and quantify the primary mechanisms influencing species distribution, as well as to detect possible temporal and spatial evolutions. During the Arctic circumpolar navigation on board icebreaking RV
Polarstern
in autumn (ARK-XXIII/3), 840 half-hour transect counts were devoted to the study of the at-sea distribution of seabirds and marine mammals from 12 August to 17 October 2008. High concentrations of kittiwakes
Rissa tridactyla
in adult summer plumage were tallied on and around a few icebergs off the southwest Greenland coast: close to 14,000 on three medium size icebergs on 15 and 16 August, and fewer on a small iceberg on 18 August, between 59°N and 70°N. These observations represented by far the majority (70%) of all kittiwakes encountered during the expedition. A possible interpretation is that these numbers, high in comparison with the local breeding population, are due to an influx of new kittiwakes in autumn, e.g. coming from more southern breeding populations in Europe. On the other hand, icebergs are known to attract actively feeding seabirds and/or marine mammals in both polar areas.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><doi>10.1007/s00300-018-2356-8</doi><tpages>4</tpages></addata></record> |
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| subjects | Aquatic birds Autumn Biomedical and Life Sciences Breeding Distribution Ecology Expeditions Gulls Icebergs Life Sciences Marine mammals Microbiology Navigation Oceanography Plant Sciences Plumage Rissa tridactyla Seabirds Short Note Trophic levels Zoology |
| title | Hotspots of kittiwakes Rissa tridactyla tridactyla on icebergs off southwest Greenland in autumn |
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