BREEDING CONDITIONS REPORT, 2000


RESPONDENT

Christian Dau

SITE NAME

Coastline, barrier islands - Arctic Coastal Plain, Alaska, USA

Contact details (phone/fax//e-mail//address):
907-786-3908/907-786-3641 // Christian_Dau@fws.gov // U.S. Fish and Wildlife Service, Migratory Bird Management Division, Mail Stop 201, 1011 E. Tudor Road, Anchorage, AK 99503-6199, USA

PROJECT DETAILS

Project name:

Arctic Coastal Plain Common Eider Survey

Start of survey:

End of survey: Team size:

28.06

13.07

2


WEATHER CONDITIONS

Season phenology: late

Weather conditions:

Weather phenology slightly later than in 1999. Coastal ice conditions more severe in 2000. Onshore nesting areas were open and no breeding delays believed to occur.

 

Season temperature: cold
Season humidity: dry
Date of 50% snow-cover:
Date of ice-break on rivers:
Date of final loss of snow: before 25 June

BIOTIC CONDITIONS

Rodents abundance evaluation:

low

Breeding conditions:

Arctic Foxes were breeding, Snowy Owls - rare, with only several non-breeding records. Arctic Skuas were common breeders, but Pomarine and Long-tailed -rare.
 

Rodent dynamics:

Only trails of Brown and Collared lemmings were seen. They were reported rare by field workers on ground.

Rodent species recorded:

LatinAbundance
Lemmus trimucronatusrare
Dicrostonyx torquatusrare

Summary of fauna studies:

 

FAUNA IN STUDY AREA

Group of speciesPresenceAbundanceBreedingDetailed studiesComment
arctic foxesYes breeding  
lemmingsYesrare   
swansYescommonbreeding  
geeseYescommonhatching  
ducksYescommonhatching  
birds of preyYesrarebreeding  
ptarmigansYesrare   
cranesYesrare   
skuasYescommonbreeding  
gulls/ternsYesabundantbreeding  
owlsYesrare   
passerinesYescommonbreeding  

 

SEABIRD COLONIES

speciesComment

 

WATERBIRD NON-BREEDING AGGREGATIONS

speciesAggregation typeNumberComment
Anser albifronsmoult 100s - 1000s
Anser caerulescensmoult 100s - 1000s
Aythya marilamoult 100s - 1000s
Branta berniclamoult 100s - 1000s
Branta canadensismoult 100s - 1000s
Clangula hyemalismoult 100s - 1000s
Melanitta fuscamoult 100s - 1000s
Melanitta perspicillatamoult 100s - 1000s
Mergus serratormoult 100s - 1000s

 

HUMAN ACTIVITY IN THE STUDY AREA

Human activityComment
area affected by industrial developmentoil development
seasonal fishing/hunting 
summer field camp 
vicinities of a permanent human settlement 

 


Recommended citation

Dau, C.P. (2000). Breeding conditions report for Coastline, barrier islands - Arctic Coastal Plain, Alaska, USA, 2000. 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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