[2009]
An aerial photographic survey of nesting Pacific black brant (Branta bernicla nigricans) was conducted at five colonies on the Yukon-Kuskokwim De
Regular print
[2007]
An aerial photographic survey of nesting Pacific black brant (Branta bernicla nigricans) was conducted at five colonies on the Yukon-Kuskokwim De
Electronic resource
[2008]
An aerial photographic survey of nesting Pacific black brant (Branta bernicla nigricans) was conducted at five colonies on the Yukon-Kuskokwim De
Electronic resource
[2017]
An aerial photographic survey of nesting Pacific black brant (Branta bernicla nigricans) was conducted at five colonies on the Yukon-Kuskokwim De
Content Time Period
d2016
Regular print
[2013]
An aerial photographic survey of nesting Pacific black brant (Branta bernicla nigricans) was conducted at five colonies on the Yukon-Kuskokwim De
Electronic resource
[1994?]
A study conducted with aerial surveys to study glaucous gulls and emeror geese in they Yukon Delta National Wildlife Refuge in 1993.
Regular print
[2011]
Provides statistical data from ground-based surveys taken to estimate numbers of nests and eggs of geese and eiders in the Yukon-Kuskokwim delta
Electronic resource
[2010]
Provides statistical data from ground-based surveys taken to estimate numbers of nests and eggs of geese and eiders in the Yukon-Kuskokwim delta
Electronic resource
[2009]
Of 85 plots, 81 were sampled in a ground survey in the Hazen Bay region in the Yukon-Kuskokwim delta coastal zone (from Kigigak Island to Kashunu
Electronic resource