Breeding habitat associations and predicted distribution of an obligate tundra-breeding bird, Smith's Longspur

Wild, Teri C.; Kendall, Steven J.; Guldager, Nikki; Powell, Abby N.

doi:10.1650/condor-14-77.1

Cited by 5 publications

(9 citation statements)

References 38 publications

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“…Within the Brooks Range ecoregion, Smith's Longspurs tend to breed in open, low-shrub areas of broad river valleys (Atigun Gorge) or in their rolling foothills (Slope Mountain; Wild et al 2015). The most common vegetation types within these areas are willows (Salix spp.…”

Section: Study Areamentioning

confidence: 99%

Nest-site selection and reproductive success of Common Yellowthroats in managed Iowa grasslands

Murray

Best

2014

The Condor

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Section: Study Areamentioning

confidence: 99%

Nest-site selection and reproductive success of Common Yellowthroats in managed Iowa grasslands

Murray

Best

2014

The Condor

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“…A few recent studies have linked range expansions of snowshoe hare ( Lepus americanus ) and moose ( Alces alces ), commonly associated with the boreal forest in Alaska, to increasing shrub cover (Tape, Christie, Carroll, & O'Donnell, ; Tape, Gustine, Ruess, Adams, & Clark, ). Furthermore, the need to consider shrub encroachment as a mechanism in arctic wildlife declines has been identified (Ballantyne & Nol, ; Wheeler & Hik, ; Wild, Kendall, Guldager, & Powell, ). However, it remains unclear which species will be most affected, and whether responses to shrub cover will be consistent across individual species ranges.…”

Section: Introductionmentioning

confidence: 99%

Wildlife species benefitting from a greener Arctic are most sensitive to shrub cover at leading range edges

Wheeler

Høye

Svenning

2017

Global Change Biology

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Widespread expansion of shrubs is occurring across the Arctic. Shrub expansion will substantially alter arctic wildlife habitats. Identifying which wildlife species are most affected by shrubification is central to predicting future arctic community composition. Through meta-analysis, we synthesized the published evidence for effects of canopy-forming shrubs on birds and mammals in the Arctic and Subarctic. We examined variation in species behaviour, distribution and population dynamics in birds and mammals in response to shrub cover (including shrub cover indicators such as shrub occurrence, extent, density and height). We also assessed the degree of heterogeneity in wildlife responses to shrub cover and synthesized the remaining literature that did not fit the criteria for our quantitative meta-analyses. Species from higher green vegetation biomass habitats (high Normalized Difference Vegetation Index, NDVI, across their distribution) were more likely to respond positively to shrub cover, demonstrating the potential for species to expand from boreal to arctic habitats under shrubification. Wildlife populations located in the lowest vegetation biomass (low NDVI) areas of their species' range had the greatest proportion of positive responses to shrub cover, highlighting how increases in performance at leading edges of invaders distributions may be particularly rapid. This demonstrates the need to study species at these leading edges to accurately predict expansion potential. Arctic specialists were poorly represented across studies (limited to 5 bird and 0 mammal species), this knowledge gap potentially explains the few reported negative effects of shrub cover (3 of 29 species). Species responses to shrub cover showed substantial heterogeneity and varied among sites and years in all studies with sufficient replication to detect such variation.Our study highlights the importance of responses at species range edges in determining outcomes of shrubification for arctic birds and mammals and the need for greater examination of potential wildlife losers under shrubification. K E Y W O R D Sbirds, climate change, global warming, habitat suitability, herbivory, mammals, plant-animal interactions, shrub encroachment

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“…The Smith's Longspur (Calcarius pictus) is an Arcticbreeding passerine that has been listed as a species of conservation concern, primarily because of threats on the winter and summer ranges (Rich et al 2004, USFWS 2008, Zack and Liebezeit 2009. In Alaska, the species breeds in and is closely tied to open, low-shrub habitats in the Brooks Range (Wild et al 2015), but little information is available on specific nesting requirements (Ehrlich et al 1988, Briskie 2009. The goal of this research was to provide a baseline for evaluating impacts of future climate change on Smith's Longspurs breeding in the Brooks Range ecoregion.…”

Section: Introductionmentioning

confidence: 99%

Nest-site selection and nest success of an Arctic-breeding passerine, Smith's Longspur, in a changing climate

2017

Self Cite

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show abstract

Breeding habitat associations and predicted distribution of an obligate tundra-breeding bird, Smith's Longspur

Cited by 5 publications

References 38 publications

Nest-site selection and reproductive success of Common Yellowthroats in managed Iowa grasslands

Nest-site selection and reproductive success of Common Yellowthroats in managed Iowa grasslands

Wildlife species benefitting from a greener Arctic are most sensitive to shrub cover at leading range edges

Nest-site selection and nest success of an Arctic-breeding passerine, Smith's Longspur, in a changing climate

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