Urban landscape attributes affect occupancy patterns of the San Joaquin kit fox during an epizootic
Nicole A. Deatherage
A D , Brian L. Cypher A , James Murdoch B , Tory L. Westall A , Erica C. Kelly A and David J. Germano C
+ Author Affiliations
- Author Affiliations
A Endangered Species Recovery Program, California State University, Stanislaus, One University Circle, Turlock, CA 95382, USA.
B Wildlife and Fisheries Biology Program, Rubenstein School of Environment and Natural Resources, University of Vermont, Burlington, VT 05405, USA.
C Department of Biology, California State University, Bakersfield, 9001 Stockdale Highway, Bakersfield, CA 93311, USA (Retired).
D Corresponding author. Email: ndeatherage@csub.edu
Pacific Conservation Biology - https://doi.org/10.1071/PC20059
Submitted: 30 July 2020 Accepted: 4 December 2020 Published online: 12 January 2021
Abstract
The federally endangered and California state threatened San Joaquin kit fox (Vulpes macrotis mutica) persists in relatively high density in the urban environment of Bakersfield, California, USA. Coyotes (Canis latrans), red foxes (V. vulpes), and gray foxes (Urocyon cinereoargenteus) are natural competitors of San Joaquin kit foxes, and their presence in Bakersfield potentially impacts kit foxes. We used annual camera survey data in 111 randomly selected 1-km2 grid cells to investigate the influence of landscape attributes and the presence of canid competitors on San Joaquin kit fox occupancy from 2015 to 2019 in Bakersfield. Of 59 candidate models, our results indicated that occupancy patterns of urban kit foxes were driven primarily by a selection for campuses (e.g. schools, churches, and medical centres), followed by an avoidance of paved roads. Presence of other canids was associated with kit fox presence during surveys but did not have a discernable effect on occupancy, possibly due to a relatively low number of detections. Kit fox occupancy was estimated to have declined by 40% in Bakersfield over the 5-year study, likely due to sarcoptic mange (canis variety skin mite, Sarcoptes scabiei) disease as evidenced by a 37–49% extinction probability as a result of mange. Despite mange, the San Joaquin kit fox population in Bakersfield is one of the largest remaining populations. Awareness of the selection for campuses and avoidance of paved roads by San Joaquin kit foxes can help to develop effective land management and mitigation policy for kit foxes affected by urban development.
Keywords: fox, Kern County, multi-season occupancy modelling, paved roads, San Joaquin kit, single-species occupancy modelling, urban development, Vulpes macrotis mutica.
References
Bateman, P. W., and Fleming, P. A. (2012). Big city life: carnivores in urban environments. Journal of Zoology 287, 1–23.| Big city life: carnivores in urban environments.Crossref | GoogleScholarGoogle Scholar |
Bjurlin, C. D., Cypher, B. L., Wingert, C. M., and Van Horn Job, C. L. (2005). Urban roads and the endangered San Joaquin kit fox. California Department of Transportation, Endangered Species Recovery Program Final Report Contract No. 65A0136, Fresno, CA
Burnham, K. P., and Anderson, D. R. (2002). ‘Model selection and multimodal inference: a practical information theoretic’, 2nd edn. (Springer-Verlag: New York, NY, USA.)
Carricondo-Sanchez, D., Odden, M., Linnell, J. D. C., and Odden, J. (2017). The range of the mange: spatiotemporal patterns of sarcoptic mange in red foxes (Vulpes vulpes) as revealed by camera trapping. PLoS ONE 12, e0176200.
| The range of the mange: spatiotemporal patterns of sarcoptic mange in red foxes (Vulpes vulpes) as revealed by camera trapping.Crossref | GoogleScholarGoogle Scholar | 28423011PubMed |
Case, T. J., and Gilpin, M. E. (1974). Interference competition and niche theory. Proceedings of the National Academy of Sciences of the United States of America 71, 3073–3077.
| Interference competition and niche theory.Crossref | GoogleScholarGoogle Scholar | 4528606PubMed |
Chen, M., Zhang, H., Liu, W., and Zhang, W. (2014). The global pattern of urbanization and economic growth: evidence from the last three decades. PLoS ONE 9, e103799.
| The global pattern of urbanization and economic growth: evidence from the last three decades.Crossref | GoogleScholarGoogle Scholar | 25099392PubMed |
Crooks, K. R. (2002). Relative sensitivities of mammalian carnivores to habitat fragmentation. Conservation Biology 16, 488–502.
| Relative sensitivities of mammalian carnivores to habitat fragmentation.Crossref | GoogleScholarGoogle Scholar |
Cypher, B. L. (2003). Foxes. In ‘Wild mammals of north America: biology, management, and conservation’, 2nd edn. (Eds G. A. Feldhamer, B. C. Thompson, and J. A. Chapman.) pp. 511–546. (John Hopkins University Press: Baltimore, MD, USA.)
Cypher, B. L. (2010). Kit foxes (Vulpes macrotis). In ‘Urban carnivores, ecology, conflict, and conservation’. (Eds S. D. Gehrt, S. P. D. Riley, and B. L. Cypher.) pp. 49–57. (Johns Hopkins University Press: Baltimore, MD, USA.)
Cypher, B. L., and Van Horn Job, C. L. (2012). Management and conservation of San Joaquin kit foxes in urban environments. In ‘Proceedings of the vertebrate pest conference’. pp. 347–352. (University of California: Davis, CA, USA.)
Cypher, B. L., Warrick, G. D., Otten, M. R. M., O’Farrell, T. P., Berry, W. H., Harris, C. E. H., Kato, T. T., McCue, P. M., Scrivner, J. H., and Zoellick, B. W. (2000). Population dynamics of San Joaquin kit foxes at the Naval Petroleum Reserves in California. Wildlife Monographs 145, 1–43.
Cypher, B. L., Howard, C. O. J., Kelly, P. A., Van Horn Job, C., Warrick, G. D., and Williams, D. F. (2001). Interspecific interactions among wild canids: implications for the conservation of endangered San Joaquin kit foxes. Endangered Species Update 18, 171–174.
Cypher, B. L., Philips, S. E., and Kelly, P. A. (2013). Quantity and distribution of suitable habitat for endangered San Joaquin kit foxes: conservation implications. Canid Biology & Conservation 16, 25–31.
Cypher, B. L., Rudd, J. L., Westall, T. L., Woods, L. W., Stephenson, N., Foley, J. E., Richardson, D., and Clifford, D. L. (2017). Sarcoptic mange in endangered kit foxes (Vulpes macrotis mutica): case histories, diagnoses, and implications for conservation. Journal of Wildlife Diseases 53, 46–53.
| Sarcoptic mange in endangered kit foxes (Vulpes macrotis mutica): case histories, diagnoses, and implications for conservation.Crossref | GoogleScholarGoogle Scholar | 27669012PubMed |
Devenish-Nelson, E. S., Richards, S. A., Harris, S., Soulsbury, C., and Stephens, P. A. (2014). Demonstrating frequency-dependent transmission of sarcoptic mange in red foxes. Biology Letters 10, 20140524.
| Demonstrating frequency-dependent transmission of sarcoptic mange in red foxes.Crossref | GoogleScholarGoogle Scholar | 25296930PubMed |
Ditchkoff, S. S., Saalfeld, S. T., and Gibson, C. J. (2006). Animal behavior in urban ecosystems: modifications due to human-induced stress. Urban Ecosystems 9, 5–12.
| Animal behavior in urban ecosystems: modifications due to human-induced stress.Crossref | GoogleScholarGoogle Scholar |
Frost, N. (2005). San Joaquin kit fox home range, habitat use, and movements in urban Bakersfield. M.Sc. thesis. Humboldt State University, Arcata, CA, USA.
Fuller, T. K., Destefano, S., and Warren, P. S. (2010). Carnivore behavior and ecology, and relationship to urbanization. In ‘Urban carnivores, ecology, conflict, and Conservation’. (Eds S. D. Gehrt, S. P. D. Riley, and B. L. Cypher.) pp. 18–19. (Johns Hopkins University Press: Baltimore, MD, USA.)
Gehrt, S. D. (2010). The urban ecosystem. In ‘Urban carnivores, ecology, conflict, and conservation’. (Eds S. D. Gehrt, S. P. D. Riley, and B. L. Cypher.) pp. 6–9. (Johns Hopkins University Press: Baltimore, MD, USA.)
Gehrt, S. D., and Riley, S. P. D. (2010). Coyotes (Canis latrans). In ‘Urban carnivores, ecology, conflict, and conservation’. (Eds S. D. Gehrt, S. P. D. Riley, and B. L. Cypher.) pp. 79–96. (Johns Hopkins University Press: Baltimore, MD, USA.)
Gehrt, S. D., Anchor, C., and White, L. A. (2009). Home range and landscape use of coyotes in a metropolitan landscape: conflict or coexistence? Journal of Mammalogy 90, 1045–1057.
| Home range and landscape use of coyotes in a metropolitan landscape: conflict or coexistence?Crossref | GoogleScholarGoogle Scholar |
Gese, E. M., Morey, P. S., and Gehrt, S. D. (2012). Influence of the urban matrix on space use of coyotes in the Chicago metropolitan area. Japan Ethological Society and Springer 30, 413–425.
| Influence of the urban matrix on space use of coyotes in the Chicago metropolitan area.Crossref | GoogleScholarGoogle Scholar |
Gosselink, T. E., Deelen, T. R. V., Warner, R. E., and Joselyn, M. G. (2003). Temporal habitat partitioning and spatial use of coyotes and red foxes in east–central Illinois. Journal of Wildlife Management 67, 90–103.
| Temporal habitat partitioning and spatial use of coyotes and red foxes in east–central Illinois.Crossref | GoogleScholarGoogle Scholar |
Grimm, N. B., Foster, D., Groffman, P., Grove, J. M., Hopkinson, C. S., Nadelhoffer, K. J., Pataki, D. E., and Peters, D. P. (2008). The changing landscape: ecosystem responses to urbanization and pollution across climatic and societal gradients. Frontiers in Ecology and the Environment 6, 264–272.
| The changing landscape: ecosystem responses to urbanization and pollution across climatic and societal gradients.Crossref | GoogleScholarGoogle Scholar |
Hall, L. K., Larsen, R. T., Knight, R. N., Bunnell, K. D., and McMillan, B. R. (2013a). Water developments and canids in two North American deserts: a test of the indirect effect of water hypothesis. PLoS ONE 8, e67800.
| Water developments and canids in two North American deserts: a test of the indirect effect of water hypothesis.Crossref | GoogleScholarGoogle Scholar | 23844097PubMed |
Hall, L. K., Day, C. C., Westover, M. D., Edgel, R. J., Larsen, R. T., Knight, R. N., and McMillan, B. R. (2013b). Vigilance of kit foxes at water sources: a test of competing hypotheses for a solitary carnivore subject to predation. Behavioural Processes 94, 76–82.
| Vigilance of kit foxes at water sources: a test of competing hypotheses for a solitary carnivore subject to predation.Crossref | GoogleScholarGoogle Scholar | 23305800PubMed |
Harrison, R. L. (1997). A comparison of Gray fox ecology between residential and undeveloped rural landscapes. Journal of Wildlife Management 61, 112–122.
| A comparison of Gray fox ecology between residential and undeveloped rural landscapes.Crossref | GoogleScholarGoogle Scholar |
Hines, J. E. (2006). PRESENCE – Software to estimate patch occupancy and related parameters. Available at https://www.mbrpwrc.usgs.gov/software/presence.html [accessed 1 September 2019].
Kitchen, A. M., Gese, E. M., and Schauster, E. R. (1999). Resource partitioning between coyotes and swift foxes: space, time, and diet. Canadian Journal of Zoology 77, 1645–1656.
| Resource partitioning between coyotes and swift foxes: space, time, and diet.Crossref | GoogleScholarGoogle Scholar |
Kozlowski, A. J., Gese, E. M., and Arjo, W. M. (2008). Niche overlap and resource partitioning between sympatric kit foxes and coyotes in the Great Basin Desert of western Utah. American Midland Naturalist 160, 191–208.
| Niche overlap and resource partitioning between sympatric kit foxes and coyotes in the Great Basin Desert of western Utah.Crossref | GoogleScholarGoogle Scholar |
Legendre, P., and Legendre, L. (1998). ‘Numerical ecology’, 2nd edn. (Elsevier Science B. V.: Amsterdam, Netherlands.)
Lesmeister, D. B., Nielsen, C. K., Schauber, E. M., and Hellgren, E. C. (2015). Spatial and temporal structure of a mesocarnivore guild in midwestern North America. Wildlife Monographs 191, 1–61.
| Spatial and temporal structure of a mesocarnivore guild in midwestern North America.Crossref | GoogleScholarGoogle Scholar |
Lombardi, J. V., Comer, C. E., Scognamillo, D. G., and Conway, W. C. (2017). Coyote, fox, and bobcat response to anthropogenic and natural landscape features in a small urban area. Urban Ecosystems 20, 1239–1248.
| Coyote, fox, and bobcat response to anthropogenic and natural landscape features in a small urban area.Crossref | GoogleScholarGoogle Scholar |
MacKenzie, D. I., Nichols, J. D., Royle, J. A., Pollock, K. H., Bailey, L. L., and Hines, J. E. (2018). ‘Occupancy estimation and modeling, inferring patterns and dynamics of species occurrence’, 2nd edn. (Academic Press: San Diego, CA, USA.)
Markovchick-Nicholls, L., Regan, H. M., Deutschman, D. H., Widyanata, A., Martin, B., Noreke, L., and Ann Hunt, T. (2008). Relationships between human disturbance and wildlife land use in urban habitat fragments. Conservation Biology 22, 99–109.
| Relationships between human disturbance and wildlife land use in urban habitat fragments.Crossref | GoogleScholarGoogle Scholar | 18254856PubMed |
Mathewson, P. D., Spehar, S. N., and Cooper, D. S. (2008). An initial carnivore survey of Griffith Park, Los Angeles, California. Bulletin of the Southern California Academy of Sciences 107, 57–67.
| An initial carnivore survey of Griffith Park, Los Angeles, California.Crossref | GoogleScholarGoogle Scholar |
McGrew, J. C. (1979). Vulpes macrotis. Mammalian Species 123, 1–6.
| Vulpes macrotis.Crossref | GoogleScholarGoogle Scholar |
Moll, R. J., Cepek, J. D., Lorch, P. D., Dennis, P. M., Robison, T., Millspaugh, J. J., and Montgomery, R. A. (2018). Humans and urban development mediate the sympatry of competing carnivores. Urban Ecosystems 21, 765–778.
| Humans and urban development mediate the sympatry of competing carnivores.Crossref | GoogleScholarGoogle Scholar |
Morrell, S. (1972). Life history of the San Joaquin kit fox. California Fish Game 58, 162–174.
Murdoch, J. D., Ralls, K., and Cypher, B. L. (2009). Two observations of tree climbing by the San Joaquin kit fox. The Southwestern Naturalist 49, 522–523.
| Two observations of tree climbing by the San Joaquin kit fox.Crossref | GoogleScholarGoogle Scholar |
National Oceanic and Atmospheric Administration. (2020). Bakersfield climate. Available at https://www.weather.gov/hnx/bflmain [accessed 28 June 2020].
Nelson, J. L., Cypher, B. L., Bjurlin, C. D., and Creel, S. (2007). Effects of habitat on competition between kit foxes and coyotes. Journal of Wildlife Management 71, 1467–1475.
| Effects of habitat on competition between kit foxes and coyotes.Crossref | GoogleScholarGoogle Scholar |
Newman, T. J., Baker, P. J., and Harris, S. (2002). Nutritional condition and survival of red foxes with sarcoptic mange. Canadian Journal of Zoology 80, 154–161.
| Nutritional condition and survival of red foxes with sarcoptic mange.Crossref | GoogleScholarGoogle Scholar |
O’Brien, C. S., Waddell, R. B., Rosenstock, S. S., and Rabe, M. J. (2006). Wildlife use of water catchments in southwestern Arizona. Wildlife Society Bulletin 34, 582–591.
| Wildlife use of water catchments in southwestern Arizona.Crossref | GoogleScholarGoogle Scholar |
Pence, D. B., and Ueckermann, E. (2002). Sarcoptic mange in wildlife. Scientific and Technical Review of the Office International des Epizooties 21, 385–398.
| Sarcoptic mange in wildlife.Crossref | GoogleScholarGoogle Scholar |
Riley, S. P. D. (2006). Spatial ecology of bobcats and gray foxes in urban and rural zones of a national park. Journal of Wildlife Management 70, 1425–1435.
| Spatial ecology of bobcats and gray foxes in urban and rural zones of a national park.Crossref | GoogleScholarGoogle Scholar |
Riley, S. P. D., and White, P. A. (2010). Gray foxes (Urocyon cinereoargenteus) in urban areas. In ‘Urban carnivores, ecology, conflict, and conservation’. (Eds S. D. Gehrt, S. P. D. Riley, and B. L. Cypher.) pp. 197–198. (The Johns Hopkins University Press: Baltimore, MD, USA.)
Riley, S. P. D., Gehrt, S. D., and Cypher, B. L. (2010). Urban carnivores, final perspectives and future directions. In ‘Urban carnivores, ecology, conflict, conservation’. (Eds S. D. Gehrt, S. P. D. Riley, and B. L. Cypher.) pp. 223–232. (Johns Hopkins University Press: Baltimore, MD, USA.)
Scott, D. M., Baker, R., Tomlinson, A., Berg, M. J., Charman, N., and Tolhurst, B. A. (2020). Spatial distribution of sarcoptic mange (Sarcoptes scabiei) in urban foxes (Vulpes vulpes) in Great Britain as determined by citizen science. Urban Ecosystems 23, 1127–1140.
| Spatial distribution of sarcoptic mange (Sarcoptes scabiei) in urban foxes (Vulpes vulpes) in Great Britain as determined by citizen science.Crossref | GoogleScholarGoogle Scholar |
Shigley, P. (2010). Bakersfield hopes to restore water to Kern River. Planning; Chicago 76, 8.
Soulsbury, C. D., Baker, P. J., Iossa, G., and Harris, S. (2010). Red foxes (Vulpes vulpes). In ‘Urban carnivores, ecology, conflict, and conservation’. (Eds S. D. Gehrt, S. P. D. Riley, and B. L. Cypher.) pp. 63–75. (Johns Hopkins University Press: Baltimore, MD, USA.)
Stachelski, C., and Sanger, G. (2008). The climate of Bakersfield, California. NOAA Technical Memorandum NWS WR-281.
Stone, W. B., Parks, E., Weber, B. L., and Parks, F. J. (1972). Experimental transfer of Sarcoptic mange from red foxes and wild canids to captive wildlife and domestic animals. New York Fish and Game Journal 19, 1–11.
United States Census Bureau. (2019). Bakersfield City, California. Available at https://www.census.gov/quickfacts/fact/table/bakersfieldcitycalifornia# [accessed 1 July 2020].
Westall, T. L., and Cypher, B. L. (2017). Latency to first detection of kit foxes (Vulpes macrotis) during camera surveys. Canid Biology and Conservation 20, 32–37.
