BREEDING CONDITIONS REPORT, 1990


RESPONDENT

Mikhail Stishov

SITE NAME

Yakan Cape, Chukotsky Peninsula, Russia

Contact details (phone/fax//e-mail//address):
(095)465-47-93 // stishov@wrangel.msk.ru // Zapovednik "Ostrov Vrangelya", Ushakovskoie, Shmidtovski rayon, Chukotski okrug, 686870, Russia

PROJECT DETAILS

Project name:

Start of survey:

End of survey: Team size:


WEATHER CONDITIONS

Season phenology:

Weather conditions:

Spring and summer were cooler than normal, often with wind, mist and rain, though without heavy snow-falls.

 

Season temperature: cold
Season humidity:
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:

Snowy Owl and Pomarine Skua did not breed, though were quite numerous. In sub-mountane and lowland regions up to 25 Snowy Owls and 70-80 Pomarine Skuas were found along a 10 km transect. The density of the Arctic Foxes was moderate with two or three individuals per 10 km transect.
 

Rodent dynamics:

Abundance of rodents was low: Siberian Lemmings were only found sporadically.

Rodent species recorded:

LatinAbundance
Lemmus sibiricusrare

Summary of fauna studies:

 

FAUNA IN THE STUDY AREA

Group of speciesPresenceAbundanceBreedingDetailed studiesComment
arctic foxesYescommon   
pomarine skuasYesabundantno  
owlsYesabundantno snowy

 

SEABIRD COLONIES

speciesComment

 

WATERBIRD NON-BREEDING AGGREGATIONS

speciesAggregation typeNumberComment

 

HUMAN ACTIVITY IN THE STUDY AREA

Human activityComment

 


Source(s):

Yurlov, A.K. 1998. Breeding conditions for waders in the tundras of the USSR in 1990. International Wader Studies 10:105-110.

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 Last updated: 11 Dec. 2008  

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