Data from: Movement of long-tailed ducks marked on the Yukon-Kuskokwim Delta, Alaska 1998-2000 (data from Petersen et al. 2003)

When using this dataset, please cite the original article.

Petersen MR, McCaffery BJ, Flint PL (2003) Post-breeding distribution of long-tailed ducks Clangula hyemalis from the Yukon-Kuskokwim Delta, Alaska. Wildfowl 54:103-113. url:http://wildfowl.wwt.org.uk/index.php/wildfowl/article/view/1161

Additionally, please cite the Movebank data package:

Petersen MR, Douglas DC (2016) Data from: Movement of long-tailed ducks marked on the Yukon-Kuskokwim Delta, Alaska 1998-2000 (data from Petersen et al. 2003). Movebank Data Repository. doi:10.5441/001/1.1rc3hj8d
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Package Identifier doi:10.5441/001/1.1rc3hj8d  
 
Abstract The primary objectives of this study were to identify moulting areas of adult female Breeding populations of Long-tailed Ducks Clangula hyemalis have declined in western Alaska, particularly on the Yukon-Kuskokwim (Y-K) Delta, and the species is currently considered a species of particular concern by the U.S. Fish & Wildlife Service in Alaska. Potential factors that may have contributed to this decline that occurred away from the breeding grounds could not be considered since moulting and wintering areas for this population were unknown. A study was conducted in 1998 and 1999 to locate the moulting and wintering areas of the Y-K Delta breeding population. VHF and satellite transmitters were deployed to identify areas used by moulting birds. Based on the locations identified by satellite telemetry, aerial surveys were flown to locate birds marked with VHF transmitters, then low-level aerial surveys were designed and conducted to determine the number of birds using these and adjacent areas. Moulting locations of 54 marked female Long-tailed Ducks were identified: 13 marked females were found in wetlands and large lakes on the Y-K Delta, 11 in coastal lagoons at St Lawrence Island, Alaska, and two along the coast of the Chukotka Peninsula, Russia. A autumn staging area was identified along the east coast of the Chukotka Peninsula which was used by seven of 10 birds with satellite transmitters providing locations during that period. Birds wintered in coastal waters of the North Pacific Ocean north of 50°N and between 150°E and 130°W. The wide distribution of birds in winter suggests little probability of a single factor in winter contributing to the decline.
Keywords Alaska, animal tracking, Argos, Clangula hyemalis, long-tailed duck, moult distribution, post-breeding, satellite telemetry, winter distribution, Yukon-Kuskokwim Delta,

Movement of long-tailed ducks marked on the Yukon-Kuskokwim Delta, Alaska 1998-2000 (data from Petersen et al. 2003) View File Details
Download: Movement of long-tailed ducks marked on the Yukon-Kuskokwim Delta, Alaska 1998-2000 (data from Petersen et al. 2003).csv ( 809.8Kb )
Download: README.txt ( 18.82Kb )
To the extent possible under law, the authors have waived all copyright and related or neighboring rights to this data.  



Movement of long-tailed ducks marked on the Yukon-Kuskokwim Delta, Alaska 1998-2000 (data from Petersen et al. 2003)-reference-data View File Details
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Download: README.txt ( 18.82Kb )
To the extent possible under law, the authors have waived all copyright and related or neighboring rights to this data.  



Petersen_etal_2003_Wildfowl_LocationData View File Details
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Download: Petersen_etal_2003_Wildfowl_LocationData.csv ( 55.88Kb )
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Petersen_etal_Wildfowl_2003 View File Details
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ltdu_19982000_raw_argos_dispose View File Details
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ltdu_19982000_raw_argos_diag View File Details
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