Cate B. Quinn

Genomic evidence of colonization, divergence, and inbreeding in island spotted skunks

Julia Owen-Orcutt, Cate B. Quinn, Sophie Preckler‐Quisquater, Ellen C. Bolas et autres

Island populations provide valuable systems for understanding how divergence time and demographic history shape morphological evolution and genetic diversity. In contrast to island foxes ( Urocyon littoralis) inhabiting the northern California Channel Islands, sympatric island spotted skunks ( Spilogale gracilis amphiala) are …

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Leveraging Next‐Generation Tools for Genetic Assessment and Demographic Monitoring in Threatened and Elusive Humboldt Martens

Margaret Hallerud, Katie M. Moriarty, Kristine L. Pilgrim, Cate B. Quinn et autres

) whose conservation has been hindered by knowledge gaps and data deficiencies due to rarity and elusiveness. Here, we assessed population structure and genetic viability of Humboldt martens by exploring synergies between reduced representation sequencing and noninvasive genetic approaches. We used ddRADseq …

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Do Snow‐Adapted Prey Facilitate Coexistence of the Sierra Nevada Red Fox With Sympatric Carnivores?

Grace Rosburg‐Francot, Cate B. Quinn, Stevi L. Vanderzwan, Tal Caspi et autres

Specialist species in alpine ecosystems may be increasingly threatened by climate-driven habitat loss and encroachment by generalist competitors. Ecological theory predicts that niche differentiation through dietary specialisation can facilitate coexistence with generalist competitors. We quantified dietary overlap between a high-elevation specialist, the …

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Do snow-adapted prey facilitate coexistence of the Sierra Nevada red fox with sympatric carnivores?

Grace Rosburg‐Francot, Cate B. Quinn, Stevi L. Vanderzwan, Tal Caspi et autres

The Sierra Nevada red fox (SNRF; Vulpes vulpes necator) is an endangered subspecies restricted to high-elevation habitats. Competition with larger-bodied coyotes (Canis latrans) limits red fox abundance throughout their sympatric ranges. Because SNRF were isolated and have evolved solely within subalpine ecosystems, …

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Whole Genomes Inform Genetic Rescue Strategy for Montane Red Foxes in North America

Cate B. Quinn, Sophie Preckler‐Quisquater, Michael R. Buchalski, Benjamin N. Sacks

A few iconic examples have proven the value of facilitated gene flow for counteracting inbreeding depression and staving off extinction; yet, the practice is often not implemented for fear of causing outbreeding depression. Using genomic sequencing, climatic niche modeling, and demographic reconstruction, …

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Maintenance of a narrow hybrid zone between native and introduced red foxes (Vulpes vulpes) despite conspecificity and high dispersal capabilities

Sophie Preckler‐Quisquater, Cate B. Quinn, Benjamin N. Sacks

Human-facilitated introductions of nonnative populations can lead to secondary contact between allopatric lineages, resulting in lineage homogenisation or the formation of stable hybrid zones maintained by reproductive barriers. We investigated patterns of gene flow between the native Sacramento Valley red fox (Vulpes …

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Missing history of a modern domesticate: Historical demographics and genetic diversity in farm-bred red fox populations

Halie M. Rando, Emmarie P. Alexander, Sophie Preckler‐Quisquater, Cate B. Quinn et autres

The first record of captive-bred red foxes (Vulpes vulpes) dates to 1896 when a breeding enterprise emerged in the provinces of Atlantic Canada. Because its domestication happened during recent history, the red fox offers a unique opportunity to examine the genetic diversity …

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A hierarchical modeling approach to predict the distribution and density of Sierra Nevada Red Fox (Vulpes vulpes necator)

David S. Green, Marie E. Martin, Sean M. Matthews, Jocelyn R. Akins et autres

Abstract Carnivores play critical roles in ecosystems, yet many species are declining worldwide. The Sierra Nevada Red Fox (Vulpes vulpes necator; SNRF) is a rare and endangered subspecies of red fox limited to upper montane forests, subalpine, and alpine environments of California …

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Fig. 2 in A hierarchical modeling approach to predict the distribution and density of Sierra Nevada Red Fox (Vulpes vulpes necator)

David S. Green, Marie E. Martin, Sean M Matthews, Jocelyn R. Akins et autres

Fig. 2.—Predicted effects of minimum temperature (A), snow water equivalent (B), and normalized difference vegetation index (NDVI) (C) on Sierra Nevada Red Fox (Vulpes vulpes necator) density in California and Oregon, United States. The solid lines indicate the median effect of each …

Fig. 1 in A hierarchical modeling approach to predict the distribution and density of Sierra Nevada Red Fox (Vulpes vulpes necator)

David S. Green, Marie E. Martin, Sean M Matthews, Jocelyn R. Akins et autres

Fig. 1.—Map of Sierra Nevada Red Fox (Vulpes vulpes necator; SNRF) detections and survey effort in California and Oregon, United States, in relation to the distinct population segment (DPS) designated by the U.S. Fish and Wildlife Service (2021). In (A) the gray-filled …

Fig. 4 in A hierarchical modeling approach to predict the distribution and density of Sierra Nevada Red Fox (Vulpes vulpes necator)

David S. Green, Marie E. Martin, Sean M Matthews, Jocelyn R. Akins et autres

Fig. 4.—The predicted mean (A) and standard deviation (B) of Sierra Nevada Red Fox (Vulpes vulpes necator; SNRF) occupancy in California and Oregon derived from the output of our hierarchical formulation of Royle–Nichols (2003). Darker colors indicate comparatively higher values of each. …

Fig. 5 in A hierarchical modeling approach to predict the distribution and density of Sierra Nevada Red Fox (Vulpes vulpes necator)

David S. Green, Marie E. Martin, Sean M Matthews, Jocelyn R. Akins et autres

Fig. 5.—The predicted distribution of the Sierra Nevada Red Fox (Vulpes vulpes necator) in California and Oregon, United States, based on the results of our species distribution modeling efforts in reference to the historical distribution displayed in light gray (Grinnell et al. …