BREEDING CONDITIONS REPORT, 1991


RESPONDENT

Sergey Paskhalny

SITE NAME

Pravyi Yuribei River basin, Russia

Contact details (phone/fax//e-mail//address):
(34992) 5-19-10 // spas2006@yandex.ru // Zelyonaya Gorka, 18-1, Labytnangi, Tumenskaya oblast, 629400, Russia

PROJECT DETAILS

Project name:

Start of survey:

End of survey: Team size:


WEATHER CONDITIONS

Season phenology: early

Weather conditions:

Spring was early and as a result the arrival and breeding of many birds took place about two weeks earlier than usual. No extreme weather changes during the breeding season were noticed.

 

Season temperature:
Season humidity:
Date of 50% snow-cover:
Date of ice-break on rivers:
Date of final loss of snow:

BIOTIC CONDITIONS

Rodents abundance evaluation:

Breeding conditions:

The proportion of occupied dens by Arctic Foxes increased to 20%-30%. Rough-legged Buzzard bred in high density, Long-tailed Skua and Arctic Skua were common, and the Snowy Owl was met only locally. Golden Plover , Pacific Golden Plover, Grey Plover and Ringed Plover bred successfully.
 

Rodent dynamics:

The abundance of rodents increased a little.

Rodent species recorded:

LatinAbundance

Summary of fauna studies:

 

FAUNA IN THE STUDY AREA

Group of speciesPresenceAbundanceBreedingDetailed studiesComment
arctic foxesYescommonbreeding  
wadersYes hatching  
buzzardsYesabundantbreeding  
skuasYescommon   
owlsYesrare   

 

SEABIRD COLONIES

speciesComment

 

WATERBIRD NON-BREEDING AGGREGATIONS

speciesAggregation typeNumberComment

 

HUMAN ACTIVITY IN THE STUDY AREA

Human activityComment

 


Source(s):

Ryabitsev, V.K. 1998. Breeding conditions for waders Russian tundras in 1991. International Wader Studies 10:111-116.

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 Last updated: 11 Dec. 2008  

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