Waterbirds as indicators of ecosystem health in the coastal marine habitats of southern Florida: 1. Selection and justification for a suite of indicator species

JC Ogden, JD Baldwin, OL Bass, JA Browder… - Ecological …, 2014 - Elsevier
The coastal marine environment is currently under threat from many anthropogenic
pressures that were identified by the MARES project. Indicators of ecosystem health are …

[PDF][PDF] Adaptive harvest management: 2021 hunting season

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 …

Combined effects of climate, predation, and density dependence on greater and lesser scaup population dynamics

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 …

An accessible method for implementing hierarchical models with spatio-temporal abundance data

BE Ross, MB Hooten, DN Koons - PLoS One, 2012 - journals.plos.org
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 …

Plasma metabolite indices are robust to extrinsic variation and useful indicators of foraging habitat quality in Lesser Scaup

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 …

Blood parasite infection linked to condition of spring-migrating Lesser Scaup (Aythya affinis)

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 …

Associations of intestinal helminth infections with health parameters of spring-migrating female lesser scaup (Aythya affinis) in the upper Midwest, USA

J Conner England, JM Levengood, JM Osborn… - Parasitology …, 2018 - Springer
Thousands of lesser scaup (Aythya affinis) die during spring and fall migrations through the
upper Midwest, USA, from infections with Cyathocotyle bushiensis and Sphaeridiotrema …

[PDF][PDF] A proposed assessment and decision-making framework to inform scaup harvest management

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 …

Intrinsic and extrinsic factors determining diving duck condition and habitat quality during spring migration in the Upper Midwest

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 …

Spatiotemporal distributions of intestinal helminths in female lesser scaup Aythya affinis during spring migration from the upper Midwest, USA

JC England, JM Levengood, JM Osborn… - Journal of …, 2017 - cambridge.org
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 …