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Laysan Teal (Anas laysanensis) Microsatellite DNA Data; Laysan Island 1999-2009, Midway Atoll 2007-2010

Summary

Type of release
ongoing release of a series of related datasets

Data Licence
Not Applicable

Content Licence
Creative Commons CCZero

Verification
automatically awarded

Release Date
4 August 2015
Modified Date
4 August 2015
Update Frequency
notPlanned
Publishers
U.S. Geological Survey, Department of the Interior
Identifier
laysan-teal-anas-laysanensis-microsatellite-dna-data-laysan-island-1999-2009-midway-a-2007-2010
Landing Page
http://catalog.data.gov/dataset/laysan-teal-anas-laysanensis-microsatellite-dna-data-laysan-island-1999-2009-midway-a-2007-2010
Temporal Coverage
1 January 1999 — 1 January 2010

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Description

The geographically closed, non-migratory populations of endangered Laysan Teal (Anas laysanensis) were sampled in the wild. This species was once widespread across the Hawaiian archipelago, but became isolated on Laysan Island (415 ha) from the mid-1800s until 2004 when a translocation to Midway Atoll (596 ha) was undertaken to reduce extinction risks. We compared genetic diversity and quantified variation at microsatellite loci sampled from 229 individuals from the wild populations at Laysan Island (1999–2009) and Midway Atoll (2007–2010; n = 133 Laysan, n = 96 Midway birds). We identified polymorphic markers by screening nuclear microsatellites (N = 83). Low nuclear variation was detected, consistent with the species’ insular isolation and historical bottleneck. Six of 83 microsatellites were polymorphic.

General Information

Legal Information

This dataset has been created by US Government which means it is required to be in the public domain. However US copyright law only allows open access by US citizens, we have assumed the data is equivalently licensed as CC0 for the rest of the world as this is in the spirit of the US Government’s Open Data policy.

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