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RESPONDENT
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Anatoli Gavrilov
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SITE NAME
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Ary-Mas, Taimyr, Russia
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| Contact details
(phone/fax//e-mail//address): |
| 2-10-97/2-12-39 // // Taimyr State Nature Reserve, PB 131, Khatanga, Krasnoyarski krai, 663260, 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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11.07
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3.09
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WEATHER
CONDITIONS
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Weather conditions: |
| Spring was late and prolonged. Rivers Khatanga and Novaya cleared from ice on 21 and 26 June, compared with 8 and 15 June in 2002 and 16 and 18 June in 2003. Low accumulation of snow during the winter resulted in very low water table in spring. However, first snow free patches emerged from under snow only on 13 June on Ary-Mas. Snow cover reduced to 50% after 20 June, but the coverage was higher in the forest. June was cold, and snowfalls occurred until 20 June. Anticyclone established in the end of June, and warm weather with almost no precipitaiton prevailed during July. Dribble occurred frequently in August. Temperatures dropped below freezing on soil on 23 August.
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| Date of 50%
snow-cover: |
>20.06
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| Date of ice-break on
rivers: |
26.06
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| Date of final loss of
snow: |
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BIOTIC
CONDITIONS
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| Rodents abundance evaluation: |
low
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Breeding conditions:
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Arctic Foxes, Snowy and Short-eared owls were not seen, while Arctic Hares were common. Pomarine Skua was seen once, while Arctic and Long-tailed skuas were rare. Rough-legged Buzzards nested at low density: 2 nests with 2 chicks in each were found at an area exceeding 50 sq.km., but all chicks fledged. Northward migration of reindeers terminated before start of nesting by birds, and had no adverse impact on breeding success.
Bar-tailed Godwits and Pacific Golden Plovers occurred in low numbers. Red-necked Phalaropes and Ruffs were the most common waders in floodplain habitats. Rufs appeared in high numbers in the second half of July, and were feeding in tundra fens until 31 July. Ducks were rare in the breeding period, and only two broods of Long-tailed Ducks were seen. Generally, density of birds was very low.
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Rodent dynamics:
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| Rodents and shrews were not seen in the period of studies from 11 July - 3 September.
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Rodent species recorded:
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Summary
of fauna studies: |
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