13 Articles tagged with "population trends"
-
Incorporating weather in counts and trends of migrating Common NighthawksPDF
-
Losing the edge: trends in core versus peripheral populations in a declining migratory songbirdPDF
-
Combining monitoring data from multiple sites to assess population status and trends of White-tailed Tropicbirds (Phaethon lepturus) in the SeychellesPDF
-
Bird trends from long-term observation data at sites in the Hudson Bay LowlandsPDF
-
Twenty years of coastal waterbird trends suggest regional patterns of environmental pressure in British Columbia, CanadaPDF
-
Factors associated with local and statewide population trends of the Florida Sandhill Crane (Antigone canadensis pratensis)PDF
-
Special Feature
Assessing breeding duck population trends relative to anthropogenic disturbances across the boreal plains of Canada, 1960–2007PDF
-
The Breeding Bird Survey at 50: scientists and birders working together for bird conservationPDF
-
Piping Plover response to coastal storms occurring during the nonbreeding seasonPDF
-
Changes in heron and egret populations on the Laurentian Great Lakes and connecting channels, 1977-2009PDF