Cameron W. Barrows
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View article: Responses of common chuckwallas and their food plants to increasing aridity
Responses of common chuckwallas and their food plants to increasing aridity Open
Desert regions are becoming both warmer and more arid, potentially challenging the ability of even arid-adapted species to exist within their current ranges. Here we analyzed the sensitivity of the common chuckwalla, Sauromalus ater, a veg…
View article: Forty years later: monitoring and status of the endangered Coachella Valley fringe-toed lizard
Forty years later: monitoring and status of the endangered Coachella Valley fringe-toed lizard Open
The Coachella Valley fringe-toed lizard, Uma inornata, was listed as endangered under the California Endangered Species Act in 1980. By that time, the lizard’s habitat was already reduced by 90%, fragmented into isolated habitat islands on…
View article: Responding to increased aridity: Evidence for range shifts in lizards across a 50-year time span in Joshua Tree National Park
Responding to increased aridity: Evidence for range shifts in lizards across a 50-year time span in Joshua Tree National Park Open
North American deserts are warming and becoming more arid at rates that exceed global averages. Desert lizard populations are typically dependent on plant and arthropod food resources catalyzed by variations in aridity. Shifts in those liz…
View article: Climate‐change refugia: biodiversity in the slow lane
Climate‐change refugia: biodiversity in the slow lane Open
Climate‐change adaptation focuses on conducting and translating research to minimize the dire impacts of anthropogenic climate change, including threats to biodiversity and human welfare. One adaptation strategy is to focus conservation on…
View article: Validating climate‐change refugia: empirical bottom‐up approaches to support management actions
Validating climate‐change refugia: empirical bottom‐up approaches to support management actions Open
Efforts to conserve biodiversity increasingly focus on identifying climate‐change refugia – areas relatively buffered from contemporary climate change over time that enable species persistence. Identification of refugia typically includes …
View article: Congruence between future distribution models and empirical data for an iconic species at Joshua Tree National Park
Congruence between future distribution models and empirical data for an iconic species at Joshua Tree National Park Open
U.S. national parks protect a natural heritage of global significance; those parks, especially those in the arid southwest, are threatened by climate change. Identifying climate refugia within our national parks using not only statistical …
View article: Hierarchical distance sampling to estimate population sizes of common lizards across a desert ecoregion
Hierarchical distance sampling to estimate population sizes of common lizards across a desert ecoregion Open
Multispecies wildlife monitoring across large geographical regions is important for effective conservation planning in response to expected impacts from climate change and land use. Unlike many species of birds, mammals, and amphibians whi…
View article: Sampling across 20 years (1996–2017) reveals loss of diversity and genetic connectivity in the Coachella Valley fringe-toed lizard (<i>Uma inornata</i>)
Sampling across 20 years (1996–2017) reveals loss of diversity and genetic connectivity in the Coachella Valley fringe-toed lizard (<i>Uma inornata</i>) Open
First posted October 10, 2019 For additional information, contact: Director,Western Ecological Research CenterU.S. Geological Survey3020 State University Drive EastSacramento, California 95819 The Coachella Valley fringe-toed lizard (Uma i…
View article: Identifying Climate Refugia: A Framework to Inform Conservation Strategies for Agassiz's Desert Tortoise in a Warmer Future
Identifying Climate Refugia: A Framework to Inform Conservation Strategies for Agassiz's Desert Tortoise in a Warmer Future Open
Agassiz's desert tortoise, Gopherus agassizii, faces threats from climate change. With limited mobility to move long distances to more-suitable habitat as climate change advances, whether protecting tortoises in situ or translocating them …
View article: At a Crossroads: The Nature of Natural History in the Twenty-First Century
At a Crossroads: The Nature of Natural History in the Twenty-First Century Open
The relevance of natural history is challenged and marginalized today more than ever. We addressed the hypothesis that natural history is still relevant to the field of ecology by assessing the attitudes and perceptions related to natural …