BREEDING CONDITIONS REPORT, 1993


RESPONDENT

John Bowler

SITE NAME

Khabuika Lake, Russky Zavorot Peninsula, Russia

Contact details (phone/fax//e-mail//address):
// // Aride Island Nature Reserve, via Grand Anse, Praslin, Seychelles

PROJECT DETAILS

Project name:

WWT Bewick's Swan Expedition 1993

Start of survey:

End of survey: Team size:

29.05

20.08

4


WEATHER CONDITIONS

Season phenology: late

Weather conditions:

29.05 - 21.06: very strong easterly 'morianas' winds off Arctic ocean started late p.m. on 20 June, stopping by late p.m. on 21 June. Otherwise very mild 29 May - 21 June, with little cloud cover. Heavy rain on night of 8 June, rain and thunder late p.m. 10 June. 31.07. - 20.08: generally mild (8-20^C), wind varible but no prolonged periods of strong winds. Mostly overcast, some little rain.

 

Season temperature:
Season humidity:
Date of 50% snow-cover: 6.06.93
Date of ice-break on rivers: 9-12.06
Date of final loss of snow: 10.06.93

BIOTIC CONDITIONS

Rodents abundance evaluation:

average

Breeding conditions:

 

Rodent dynamics:

Yes, abundant during snowmelt, heavily predated by Buteo, Asio, Alopex (Fox) and Stercorarius. Scarcer after mid-June.

Rodent species recorded:

LatinAbundance
Microtus oeconomuscommon

Summary of fauna studies:

See enclosed document. More detailed information concerning ecology of Bewick's Swans Cygnus columbianus bewickii on the breeding grounds will be published in due course.

 

FAUNA IN STUDY AREA

Group of speciesPresenceAbundanceBreedingDetailed studiesComment
arctic foxesYes breeding  
lemmingsYes breeding  
wadersYes breeding  
swansYes breedingYes 
geeseYes breeding  
ducksYes breeding  
birds of preyYes breeding  
cranesNo    
skuasYes breeding  
gulls/ternsYes breeding  
owlsYes    
passerinesYes breeding  

 

SEABIRD COLONIES

speciesComment

 

WATERBIRD NON-BREEDING AGGREGATIONS

speciesAggregation typeNumberComment

 

HUMAN ACTIVITY IN THE STUDY AREA

Human activityComment
reindeer herding 
summer field camp 

 


Recommended citation

Bowler, J. (1993). Breeding conditions report for Khabuika Lake, Russky Zavorot Peninsula, Russia, 1993. ARCTIC BIRDS: an international breeding conditions survey. (Online database). Eds. M.Soloviev, P.Tomkovich. . Updated 11 Dec. 2008. Accessed .

 more on citation guidelines

 

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