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Source areas of Blue‐winged Teal harvested in Ontario and Prairie Canada based on stable isotopes: implications for sustainable management

Published on Feb 14, 2020in Journal of Field Ornithology1.846
· DOI :10.1111/JOFO.12324
Matthew D. Palumbo1
Estimated H-index: 1
,
Jackson W. Kusack1
Estimated H-index: 1
(UWO: University of Western Ontario)
+ 3 AuthorsKeith A. Hobson89
Estimated H-index: 89
(UWO: University of Western Ontario)
Abstract
  • References (22)
  • Citations (0)
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References22
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#1Christian RoyH-Index: 2
#2Nicole L. MichelH-Index: 10
Last. Ben ZuckerbergH-Index: 1
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#1Christian K. Asante (U of S: University of Saskatchewan)H-Index: 2
#2Timothy D. Jardine (U of S: University of Saskatchewan)H-Index: 28
Last. Keith A. Hobson (UWO: University of Western Ontario)H-Index: 89
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ABSTRACT Understanding the catchment areas of key stopover sites for migratory birds is important for their management and conservation. The Saskatchewan River Delta (SRD) in central Canada is North America's largest inland delta and an important spring and fall stopover site for migratory waterfowl, but there is little information on the origins of waterfowl that use the SRD. We used stable isotope analyses of hydrogen (δ2H) and sulfur (δ34S) in feathers of hunter-killed waterfowl on the SRD to...
5 CitationsSource
#1Daniel S. Sullins (Temple College)H-Index: 1
#2Warren C. Conway (Temple College)H-Index: 10
Last. I-Kuai Hung (Temple College)H-Index: 6
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To identify factors contributing to the long-term decline of American woodcock, a holistic understanding of range-wide population connectivity throughout the annual cycle is needed. We used band recovery data and isotopic composition of primary (P1) and secondary (S13) feathers to estimate population sources and connectivity among natal, early fall, and winter ranges of hunter-harvested juvenile American woodcock. We used P1 feathers from known-origin pre-fledged woodcock (n = 43) to create a hy...
6 CitationsSource
#1Christian Roy (Laval University)H-Index: 43
#2Steven G. Cumming (Laval University)H-Index: 22
Last. Eliot J. B. McIntire (NRCan: Natural Resources Canada)H-Index: 20
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Assessing spatial variation in waterfowl harvest probabilities from banding data is challenging because reporting and recovery probabilities have distinct spatial patterns that covary temporally with harvesting regulations, hunter effort, and reporting methods. We analyzed direct band recovery data from American black ducks banded on the Canadian breeding grounds from 1970 through 2010. Data were registered to a 1-degree grid and analyzed using hierarchical logistic regression models with spatia...
2 CitationsSource
#1Ray T. Alisauskas (EC: Environment Canada)H-Index: 30
#2Todd W. Arnold (UMN: University of Minnesota)H-Index: 29
Last. James S. Sedinger (UNR: University of Nevada, Reno)H-Index: 36
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Estimates of range-wide abundance, harvest, and harvest rate are fundamental for sound inferences about the role of exploitation in the dynamics of free-ranging wildlife populations, but reliability of existing survey methods for abundance estimation is rarely assessed using alternative approaches. North American mallard populations have been surveyed each spring since 1955 using internationally coordinated aerial surveys, but population size can also be estimated with Lincoln's method using ban...
24 CitationsSource
#1Matthieu GuillemainH-Index: 25
#2Steven L. Van Wilgenburg (EC: Environment Canada)H-Index: 20
Last. Keith A. Hobson (EC: Environment Canada)H-Index: 89
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Management of migratory game birds must be considered at the flyway scale. Flyway delineation has generally relied on ring recoveries, yet migratory connectivity between breeding and wintering grounds is often difficult to demonstrate due to low ring-recovery rates. To overcome the limitations of ring recoveries, we here relied on stable-hydrogen isotope ratios (δ 2H) from feathers of 939 hunted Teal (Anas crecca) in France in the winters of 2002–2003 to 2005–2006 to determine the geographic ori...
19 CitationsSource
#1Paul AshleyH-Index: 1
#2Keith A. HobsonH-Index: 89
Last. Scott A. PetrieH-Index: 1
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#1Todd W. Arnold (UMN: University of Minnesota)H-Index: 29
Abstract As use of Akaike's Information Criterion (AIC) for model selection has become increasingly common, so has a mistake involving interpretation of models that are within 2 AIC units (ΔAIC ≤ 2) of the top-supported model. Such models are <2 ΔAIC units because the penalty for one additional parameter is +2 AIC units, but model deviance is not reduced by an amount sufficient to overcome the 2-unit penalty and, hence, the additional parameter provides no net reduction in AIC. Simply put, the u...
1,434 CitationsSource
#1Michael B. Wunder (University of Colorado Denver)H-Index: 21
This chapter describes a modeling framework for using isoscapes to describe probable geographic origins of sampled material. The approach first inverts an isoscape model and then adds known or estimated components of variance to create a single continuous posterior probability density that describes the probability of any given location as the origin. The posterior density is defined analytically or by Monte Carlo methods, depending on the complexity of the variance structure. The model must be ...
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