Trends in duck breeding populations: 1955–2013

Publication Type:

Report

Authors:

Zimpfer, Nathan L.; Rhodes, Walter E.; Silverman, Emily D.; Zimmerman, Guthrie S.; Richkus, Ken D.

Source:

U. S. Fish and Wildlife Service, Division of Migratory Bird Management, Laurel, MD, p.23 (2013)

Call Number:

U13ZIM01IDUS

URL:

http://www.fws.gov/migratorybirds/NewReportsPublications/PopulationStatus/Trends/TrendReport2013.pdf

Keywords:

duck populations, SWAP

Abstract:

This report summarizes information about the status of duck populations and wetland habitats during spring 2013, focusing on areas encompassed by the U.S. Fish & Wildlife (USFWS) and Canadian Wildlife (CWS) Services’ Waterfowl Breeding Population and Habitat Survey (WBPHS). This report does not include information from surveys conducted by state or provincial agencies.

Notes:

ELECTRONIC FILE - Zoology

SWAP (2/19/2016) citation:
Zimpfer NL, Rhodes WE, Silverman ED, Zimmerman GS, Richkus KD. 2013. Trends in duck breeding populations: 1955–2013. Laurel (MD): US Fish and Wildlife Service, Division of Migratory Bird Management. 23 p. [accessed 2015 Jun 1]. https://www.fws.gov/migratorybirds/pdf/surveys-and-data/Population-statu....