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SITE NAME
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Neizvestnaya River, middle reaches, Wrangel Island, Russia
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| Contact details
(phone/fax//e-mail//address): |
| // // Institute of Biological problems of the North, Portovaya 18, Magadan, 685000, Russia
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PROJECT DETAILS |
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Start of survey:
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End
of survey: |
Team
size: |
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WEATHER
CONDITIONS
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Weather conditions: |
| Spring was late with little snow, June was rather cold with snowfalls.
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| Date of ice-break on
rivers: |
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| Date of final loss of
snow: |
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BIOTIC
CONDITIONS
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| Rodents abundance evaluation: |
high
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Breeding conditions:
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| Snowy Owls bred in large numbers both in the foothills and in the Tundra of Academy (density c. 0.5 pairs/km2 in the middle reaches of Neizvestnaya River and on the source of the Pestsovaya River). In the same area Pomarine Skuas bred at densities of 1-2 pairs/km2. Numbers of the most typical waders (Grey Plover, Turnstone, Knot, Dunlin, Pectoral Sandpiper, Grey Phalarope) were less than usual in late July.
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Rodent dynamics:
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| Peak numbers of both lemming species were recorded.
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Rodent species recorded:
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| Latin | Abundance |
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| Lemmus sibiricus | abundant |
| Dicrostonyx torquatus | abundant |
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Summary
of fauna studies: |
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