Vulnerability of birds to climate change in California's Sierra Nevada

In a rapidly changing climate, effective bird conservation requires not only reliable information about the current vulnerability of species of conservation concern, but also credible projections of their future vulnerability. Such projections may enable managers to preempt or reduce emerging climat...

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Bibliographic Details
Published in:Avian Conservation and Ecology
Main Authors: Rodney B. Siegel, Peter Pyle, James H. Thorne, Andrew J. Holguin, Christine A. Howell, Sarah Stock, Morgan W. Tingley
Format: Article in Journal/Newspaper
Language:English
Published: Resilience Alliance 2014
Subjects:
birds
climate change vulnerability
Sierra Nevada
Plant culture
SB1-1110
Environmental sciences
GE1-350
Plant ecology
QK900-989
Finch
Accipiter gentilis
Falco peregrinus
Northern Goshawk
peregrine falcon
Pine Grosbeak
Pinicola enucleator
Strix nebulosa
osprey
Pandion haliaetus
Online Access:https://doi.org/10.5751/ACE-00658-090107
https://doaj.org/article/d80a24e85f464052a7f743b56c889bcc
Description
Summary:In a rapidly changing climate, effective bird conservation requires not only reliable information about the current vulnerability of species of conservation concern, but also credible projections of their future vulnerability. Such projections may enable managers to preempt or reduce emerging climate-related threats through appropriate habitat management. We used NatureServe's Climate Change Vulnerability Index (CCVI) to predict vulnerability to climate change of 168 bird species that breed in the Sierra Nevada mountains of California, USA. The CCVI assesses species-specific exposure and sensitivity to climate change within a defined geographic area, through the integration of (a) species' range maps, (b) information about species' natural history traits and ecological relationships, (c) historic and current climate data, and (d) spatially explicit climate change projections. We conducted the assessment under two different downscaled climate models with divergent projections about future precipitation through the middle of the 21st century. Assessments differed relatively little under the two climate models. Of five CCVI vulnerability ranking categories, only one species, White-tailed Ptarmigan (Lagopus leucura), received the most vulnerable rank, Extremely Vulnerable. No species received the second-highest vulnerability ranking, Highly Vulnerable. Sixteen species scored as Moderately Vulnerable using one or both climate models: Common Merganser (Mergus merganser), Osprey (Pandion haliaetus), Bald Eagle (Haliaeetus leucocephalus), Northern Goshawk (Accipiter gentilis), Peregrine Falcon (Falco peregrinus), Prairie Falcon (Falco mexicanus), Spotted Sandpiper (Actitis macularius), Great Gray Owl (Strix nebulosa), Black Swift (Cypseloides niger), Clark's Nutcracker (Nucifraga columbiana), American Dipper (Cinclus mexicanus), Swainson's Thrush (Catharus ustulatus), American Pipit (Anthus rubescens), Gray-crowned Rosy-Finch (Leucosticte tephrocotis), Pine Grosbeak (Pinicola enucleator), and Evening Grosbeak ...

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