Plague Epizootic Dynamics in Chipmunk Fleas, Sierra Nevada Mountains, California, USA, 2013–2015

Hammond, Talisin T.; Liebman, Kelly A.; Payne, Robert B.; Pigage, Helen K.; Padgett, Kerry A.

doi:10.3201/eid2604.190733

Cited by 3 publications

(1 citation statement)

References 7 publications

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“…This work reviews a pathway toward climate change adaptation planning in a region currently facing tangible threats from climate change. Future climate change refugia conservation in the Sierra Nevada might incorporate regional landscape connectivity work (Buttrick et al, 2015; McRae et al, 2016), considerations for increased human‐wildlife conflict and zoonotic disease (e.g., Hammond, Liebman, Payne, Pigage, & Padgett, 2020; MacDonald, McComb, O'Neill, Padgett, & Larsen, 2020), additional existing climate change refugia conservation approaches in the region (Buhler et al, 2019), and much more. Placing priorities and resources into an actionable framework provides ideas for near‐term application, and can stimulate additional collaboration to meet the challenges of climate change adaptation in the Sierra Nevada ecoregion.…”

Section: Discussionmentioning

confidence: 99%

Toward climate change refugia conservation at an ecoregion scale

Balantic

Adams

Gross

et al. 2021

Conservat Sci and Prac

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Climate change uncertainty poses serious challenges to conservation efforts. One emerging conservation strategy is to identify and conserve climate change refugia: areas relatively buffered from contemporary climate change that enable persistence of valued resources. This management paradigm may be pursued at broad scales by leveraging existing resources and placing them into a tangible framework to stimulate further collaboration that fosters management decision-making. Here, we describe a framework for moving toward operationalizing climate change refugia conservation at an ecoregion scale with an analysis for the Sierra Nevada ecoregion (CA, USA). Structured within the Climate Change Refugia Conservation Cycle, we identify a preliminary suite of conservation priorities for the ecoregion, and demonstrate how existing

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Section: Discussionmentioning

confidence: 99%

Toward climate change refugia conservation at an ecoregion scale

Balantic

Adams

Gross

et al. 2021

Conservat Sci and Prac

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Plague circulation in small mammals elevates extinction risk for the endangered Peñasco least chipmunk

Goldberg

Eads²,

Biggins³

2022

Global Ecology and Conservation

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Patterns and Ecological Mechanisms of Tick-Borne Disease Exposure Risk in Acadia National Park, Mount Desert Island, Maine, United States

McBride

Lieberthal

Buttke

et al. 2022

Journal of Medical Entomology

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National parks are unique and significant vector-borne pathogen transmission settings, engaging over 300 million people in outdoor recreation per year. In this study, we integrated vector surveys and ecological habitat feature data in spatial models to characterize tick-borne disease exposure risk in Acadia National Park (ANP), Maine. To determine the broad-scale patterns of blacklegged tick Ixodes scapularis Say (Acari: Ixodidae) densities in ANP, we conducted host-seeking tick collections at 114 sites across the park over two years. Using these tick survey data and geospatial landscape feature data (i.e., land cover, elevation, forest patch size, and aspect) we developed a random forest model of nymphal tick density. We found that host-seeking tick density varies significantly across the park and is particularly high in areas characterized by deciduous forest cover and relatively low elevation. To explore potential fine-scale ecological drivers of tick density spatial patterns, we quantified microclimate conditions, host activity, and vegetation characteristics at a subset of 19 sites. We identified significant differences in microclimate conditions but not host activity or vegetation metrics across broad-scale landscape feature classes. Mean temperature and mean humidity were correlated to nymphal densities and therefore may provide a mechanistic link between landscape features and blacklegged tick densities. Finally, we detected multiple tick-borne pathogens in both ticks and small mammals sampled in ANP, including Borrelia burgdorferi, Babesia microti, and Anaplasma phagocytophilum. Our findings demonstrate the value of using ecological metrics to estimate vector-borne disease exposure risk and provide insight into habitat characteristics that may drive tick-borne disease exposure risk.

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Plague Epizootic Dynamics in Chipmunk Fleas, Sierra Nevada Mountains, California, USA, 2013–2015

Cited by 3 publications

References 7 publications

Toward climate change refugia conservation at an ecoregion scale

Toward climate change refugia conservation at an ecoregion scale

Plague circulation in small mammals elevates extinction risk for the endangered Peñasco least chipmunk

Patterns and Ecological Mechanisms of Tick-Borne Disease Exposure Risk in Acadia National Park, Mount Desert Island, Maine, United States

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