Report : setinfo

RESPONDENT
Anatoli Gavrilov

SITE NAME
Bolshaya Bootonkaga River, Taimyr Peninsula, Russia

Contact details (phone/fax//e-mail//address):
2-10-97/2-12-39 // // Taimyr State Nature Reserve, PB 131, Khatanga, Krasnoyarski krai, 663260, Russia

PROJECT DETAILS

Project name:

Start of survey:	End of survey:	Team size:
6.07	24.07	1

WEATHER CONDITIONS

Season phenology:

early

Weather conditions:

The summer season was warmer than usual and dry.

Season temperature:

warm

Season humidity:

dry

Date of 50% snow-cover:

Date of ice-break on rivers:

Date of final loss of snow:

BIOTIC CONDITIONS

Rodents abundance evaluation:

low

Breeding conditions:

Common in spring, lemmings were rarely recorded in July and August, while Arctic Foxes were numerous and occupied most dens. Almost all clutches of birds were depredated by Arctic Foxes and gulls. In July waders, passerines and Rock Ptarmigans were less common than usual. Rough-legged Buzzards bred successfully.

Rodent dynamics:

Rodent species recorded:

Latin	Abundance

Summary of fauna studies:

Group of species	Presence	Abundance	Breeding	Comment
arctic foxes	Yes	abundant	breeding	many dens
lemmings	Yes	rare		very rare
waders	Yes	rare	breeding	few breeding
swans	Yes	rare
geese	Yes	common	breeding	few breeding
ducks	Yes	common	breeding	few breeding
birds of prey	Yes		fledging
buzzards	Yes	common	fledging
ptarmigans	Yes	rare	breeding	few breeding
skuas			breeding
pomarine skuas	Yes	rare
gulls/terns	Yes	abundant	breeding	few breeding
passerines	Yes	common	breeding

species	Aggregation type	Number	Comment
Larus argentatus	roosting	50.00	49-52
Larus hyperboreus	roosting	4.00	2-6

Human activity	Comment
permanent polar/meteorological/reserve station	reserve station

Recommended citation

Gavrilov, A.A. (2000). Breeding conditions report for Bolshaya Bootonkaga River, Taimyr Peninsula, Russia, 2000. ARCTIC BIRDS: an international breeding conditions survey. (Online database). Eds. M.Soloviev, P.Tomkovich. . Updated 11 Dec. 2008. Accessed .