The Legal Status of Greater Sage-Grouse: Organizational Structure of Planning Efforts

Stiver, San J.

doi:10.1525/california/9780520267114.003.0003

Cited by 20 publications

(26 citation statements)

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“…Most notable is the greater sage-grouse (Centrocercus urophasianus; sage-grouse; Schroeder et al 2004, Garton et al 2011), which was listed as an endangered species in Canada in 1998 (Harris et al 2001), and in 2010, the United States Fish and Wildlife Service (USFWS) designated sage-grouse as a candidate species for protection under the U.S. Endangered Species Act (ESA) of 1973 (USFWS 2010, Stiver 2011.…”

Section: Introductionmentioning

confidence: 99%

Evaluating vital rate contributions to greater sage‐grouse population dynamics to inform conservation

et al. 2016

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Abstract. Species conservation efforts often use short-term studies that fail to identify the vital rates that contribute most to population growth. Although the greater sage-grouse (Centrocercus urophasianus; sage-grouse) is a candidate for protection under the U.S. Endangered Species Act, and is sometimes referred to as an umbrella species in the sagebrush (Artemisia spp.) biome of western North America, the failure of proposed management strategies to focus on key vital rates that may contribute most to achieving population stability remains problematic for sustainable conservation. To address this dilemma, we performed both prospective and retrospective perturbation analyses of a life cycle model based on a 12-yr study that encompassed nearly all sage-grouse vital rates. To validate our population models, we compared estimates of annual finite population growth rates (λ) from our female-based life cycle models to those attained from male-based lek counts. Post-fledging (i.e., after second year, second year, and juvenile) female survival parameters contributed most to past variation in λ during our study and had the greatest potential to change λ in the future, indicating these vital rates as important determinants of sage-grouse population dynamics. In addition, annual estimates of λ from female-based life cycle models and malebased lek data were similar, providing the most rigorous evidence to date that lek counts of males can serve as a valid index of sage-grouse population change. Our comparison of fixed and mixed statistical models for evaluating temporal variation in nest survival and initiation suggest that conservation planners use caution when evaluating short-term nesting studies and using associated fixed-effect results to develop conservation objectives. In addition, our findings indicated that greater attention should be paid to those factors affecting sage-grouse post-fledging females. Our approach demonstrates the need for more long-term studies of species vital rates across the life cycle. Such studies should address the decoupling of sampling variation from underlying process (co)variation in vital rates, identification of how such variation drives population dynamics, and how decision makers can use this information to re-direct conservation efforts to address the most limiting points in the life cycle for a given population.

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Section: Introductionmentioning

confidence: 99%

Evaluating vital rate contributions to greater sage‐grouse population dynamics to inform conservation

et al. 2016

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“…In the last decade, concern for the species prompted a series of petitions to list the sage-grouse under the Endangered Species Act (Stiver, 2011). The details of these petitions are well documented (U.S. Fish and Wildlife Service, 2010b;Stiver, 2011).…”

Section: Science Activities Programs and Policies That Influence Comentioning

confidence: 99%

“…The details of these petitions are well documented (U.S. Fish and Wildlife Service, 2010b;Stiver, 2011). More recently, on March 23, 2010, the USFWS released its 12-Month Findings for Petitions to list the Greater Sage-Grouse (Centrocercus urophasianus) as Threatened or Endangered ("2010 Listing Decision"; U.S. Fish and Wildlife Service, 2010b).…”

Section: Science Activities Programs and Policies That Influence Comentioning

confidence: 99%

“…This patchwork of land ownership is a result of historical public land policies that have guided disposition of public lands in the Western United States since their settlement ). With such diverse ownership across a large range (table 26), regulatory actions and policies aimed at sage-grouse conservation require coordination across traditional geopolitical and landownership boundaries; a given population of sage-grouse can migrate between privately owned land and land administered by numerous Federal and State agencies (Stiver, 2011). Each class of surface ownership carries different management requirements and objectives.…”

Section: Factor D: Policies and Programs Affecting Sage-grouse Comentioning

confidence: 99%

“…The partnerships formed by the MOUs have produced a rangewide conservation framework (Stiver, 2011). In 2004, the Western Association of Fish and Wildlife Agencies (WAFWA) in cooperation with the USFS, BLM, USFWS, and USGS (U.S. Geological Survey), published the Conservation Assessment of Greater SageGrouse and Sagebrush Habitats (Connelly and others, 2004), a comprehensive, ecologically focused analysis that documented the current status and potential factors influencing the longterm conservation of sage-grouse populations and sagebrush ecosystems.…”

Section: Rangewide Conservation Effortsmentioning

confidence: 99%

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Summary of science, activities, programs, and policies that influence the rangewide conservation of Greater Sage-Grouse (Centrocercus urophasianus)

Manier¹,

Wood²,

Bowen³

et al. 2013

Open-File Report

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Carryover effects and climatic conditions influence the postfledging survival of greater sage‐grouse

Blomberg

Sedinger

Gibson

et al. 2014

Ecology and Evolution

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Prebreeding survival is an important life history component that affects both parental fitness and population persistence. In birds, prebreeding can be separated into pre- and postfledging periods; carryover effects from the prefledging period may influence postfledging survival. We investigated effects of body condition at fledging, and climatic variation, on postfledging survival of radio-marked greater sage-grouse (Centrocercus urophasianus) in the Great Basin Desert of the western United States. We hypothesized that body condition would influence postfledging survival as a carryover effect from the prefledging period, and we predicted that climatic variation may mediate this carryover effect or, alternatively, would act directly on survival during the postfledging period. Individual body condition had a strong positive effect on postfledging survival of juvenile females, suggesting carryover effects from the prefledging period. Females in the upper 25th percentile of body condition scores had a postfledging survival probability more than twice that (Φ = 0.51 ± 0.06 SE) of females in the bottom 25th percentile (Φ = 0.21 ± 0.05 SE). A similar effect could not be detected for males. We also found evidence for temperature and precipitation effects on monthly survival rates of both sexes. After controlling for site-level variation, postfledging survival was nearly twice as great following the coolest and wettest growing season (Φ = 0.77 ± 0.05 SE) compared with the hottest and driest growing season (Φ = 0.39 ± 0.05 SE). We found no relationships between individual body condition and temperature or precipitation, suggesting that carryover effects operated independently of background climatic variation. The temperature and precipitation effects we observed likely produced a direct effect on mortality risk during the postfledging period. Conservation actions that focus on improving prefledging habitat for sage-grouse may have indirect benefits to survival during postfledging, due to carryover effects between the two life phases.

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The Legal Status of Greater Sage-Grouse: Organizational Structure of Planning Efforts

Cited by 20 publications

References 0 publications

Evaluating vital rate contributions to greater sage‐grouse population dynamics to inform conservation

Evaluating vital rate contributions to greater sage‐grouse population dynamics to inform conservation

Summary of science, activities, programs, and policies that influence the rangewide conservation of Greater Sage-Grouse (Centrocercus urophasianus)

Carryover effects and climatic conditions influence the postfledging survival of greater sage‐grouse

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