J. Trapp

发表

Montana gray wolf conservation and management plan : 2005 annual report /

K. Laudon, Valpa Asher, C. Sime, 2006 .

Waterbird Conservation for the Americas : The North American Waterbird Conservation Plan, Version 1

S. Hatch, J. Wheeler, Naomi A. Edelson, 2002 .

Variables Influencing Same-Sex Domestic Partner Benefits for College and University Faculty and Employees

J. Trapp, S. Buchanan, 2013 .

VARIATION IN SUMMER DIET OF GLAUCOUS-WINGED GULLS IN THE WESTERN ALEUTIAN ISLANDS: AN ECOLOGICAL INTERPRETATION

J. Trapp, 1979 .

Management Responsibilities and Policies for Cormorants: United States Fish and Wildlife Service

J. Trapp, Andjohn G. Nickum, 1995 .

New Information on Asiatic Birds in the Aleutian Islands, Alaska

G. Byrd, J. Trapp, Daniel Gibson, 1978 .

Breeding Bird Populations on St. Lazaria Island, Alaska

David R. Nysewander, A. Sowls, J. Trapp, 1987 .

Cormorant Food Habit and Potential Impacts on Sport and Commercial Fisheries: An Annotated Bibliography

J. Trapp, Shauna L. Hanisch, 2000 .

A PROGRAMMATIC REVIEW OF THE NORTH AMERICAN BREEDING BIRD SURVEY

Daniel Petit, Stephanie L. Jones, Erica H. Dunn, 2000 .