US Fish and Wildlife Service - Washington, DC, USA, 2019 - fws.gov
The process of setting waterfowl hunting regulations is conducted annually in the United States (US; Blohm 1989) and involves a number of meetings where the status of waterfowl is …
BE Ross, MB Hooten, JM DeVink… - Ecological …, 2015 - Wiley Online Library
An understanding of species relationships is critical in the management and conservation of populations facing climate change, yet few studies address how climate alters species …
A common goal in ecology and wildlife management is to determine the causes of variation in population dynamics over long periods of time and across large spatial scales. Many …
EJ Smith, MJ Anteau, HM Hagy, CN Jacques - The Auk, 2021 - academic.oup.com
Energy acquisition and storage are important for survival and fecundity of birds during resource-limited periods such as spring migration. Plasma-lipid metabolites (ie triglyceride …
L Merrill, JM Levengood, JC England… - Canadian journal of …, 2018 - cdnsciencepub.com
Numerous organisms exhibit carry-over effects, in which previous environmental conditions impact current performance. For example, reproductive output for many migratory birds can …
Thousands of lesser scaup (Aythya affinis) die during spring and fall migrations through the upper Midwest, USA, from infections with Cyathocotyle bushiensis and Sphaeridiotrema …
GS Boomer, FA Johnson - US Fish and Wildlife Service, Laurel …, 2007 - researchgate.net
The continental scaup (greater Aythya marila and lesser Aythya affinis combined) population has experienced a long-term decline (Austin et al. 2000, Afton and Anderson 2001, Austin et …
JM Osborn, HM Hagy, JM Levengood… - … Report INHS 2016 …, 2016 - ideals.illinois.edu
Abstract The Illinois and Mississippi river corridors historically provide critical stopover habitat for spring-migrating diving ducks (Havera 1999). However, recent evidence suggests …
We examined the associations between intestinal helminth infracommunity structure and infection parameters and the age, size, and year and region of collection of 130 female …