PUBLISHED RESEARCH

Mueller, M., Johnson, C.J., and McNay, S.N. 2022. Influence of maternity penning on the success and timing of parturition by mountain caribou (Rangifer tarandus caribou). Canadian Journal of Zoology 100:548-560.

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Johnson, C.J., Ray, J. C., and St-Laurent, M.-H. 2022. Efficacy and ethics of intensive predator management to save endangered caribou. Conservation Science and Practice e12729.

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Ramírez-Delgado, J., Di Marco, M., Watson, J., Johnson, C.J, Rondinini, C., Corredor Llano, X, Arias, M., and Venter, O. 2022. Matrix condition mitigates the effects of habitat fragmentation on species extinction risk. Nature Communications 13:555.

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Mosher, C.M., Murray, B.W., and Johnson, C.J. 2022. Reduced genetic diversity associated with the northern expansion of an amphibian species with high habitat-specialization, Ascaphus truei, resolved using two types of genetic markers. Ecology and Evolution 12:e8716.

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Kristen, H.P., Wheate, R., Schuster, R., Johnson, C.J., and Venter, O. 2022. Canada’s human footprint reveals large wild areas juxtaposed against areas under immense anthropogenic pressure. Facets 7:398-419.

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Millard-Martin, B., Todd, M., and Johnson, C.J. 2022. The efficacy, applicability and limitations of visual encounter surveys in the detection of coastal tailed frog (Ascaphus truei). Journal of Fish and Wildlife Management 13:272-285.

McEwan, A., Johnson, C.J., Todd, M., and Govindarajulu, P. 2021. Resource selection and movement of the coastal tailed frog in response to forest harvesting. Forest Ecology and Management 497:119448.

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Breault, D.N., Johnson, C.J., Todd, M., and Gillingham, M.P. 2021. Resource use strategies of an apex mesocarnivore, Pacific marten, in a highly modified forested island ecosystem. Forest Ecology and Management 492:119167.

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Mosher, C.M., Johnson, C.J., Murray, B.W., and Todd, M. 2021. Environmental influences on the density and age-class distribution of Ascaphus truei larvae near the northern extent of its range. Ichthyology and Herpetology 109:1015-1025.

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Breault, D.N., Johnson, C.J., Todd, M., Verenitch, S.S., and Gillingham, M.P. 2021. Spatial and temporal variability in the diet of Pacific marten (Martes caurina) on Haida Gwaii: an apex predator in a highly modified ecosystem. Canadian Journal of Zoology 99:459-469.

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Thomas, J.P., Kukka, P.M., Benjamin, J.E., Barclay, R.M.R., Johnson, C.J., Schmiegelow, F.K.A., and Jung, T.S. 2021. Foraging habitat drives the distribution of an endangered bat in an urbanised boreal landscape. Ecosphere 12:e03457.

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Carswell, B.M., Rea, R.V., Rusch, D., and Johnson, C.J. 2021. The influence of the root diseases Armillaria solidipes and Inonotus sulphurascens on the distribution of mule deer during winter. Forestry: An International Journal of Forest Research 94:492-501.

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Blagdon, D., and Johnson, C.J. 2021. Short term, but high risk of predation for endangered mountain caribou during seasonal migration. Biodiversity and Conservation 30:719-739.

Johnson, C., Venter, O., Ray, J.C., and Watson, J.E.M. 2020. Growth-inducing infrastructure represents transformative yet ignored keystone environmental decisions. Conservation Letters 13:e12696.

Westwood A,…Johnson C. 2019. Protecting biodiversity in BC: Recommendations for developing species at risk legislation. Facets 4:136-160.

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Grant L., Johnson C., and Thiessen, C. 2019. Evaluating the efficacy of translocation: Maintain habitat key to long-term success for an imperilled population of an at-risk species. Biodiversity and Conservation 28:2727-2743.

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Lesmerises F., Johnson C., and St-Laurent M-H. 2019. Effect of behavioural marginality on the survival of woodland caribou. Ecosphere 10:e02806.

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Mumma M., Gillingham M., Johnson C., and Parker K. 2019. Functional responses to anthropogenic linear features reveal potentially maladaptive prey behaviours. Landscape Ecology 34:2575-2597.

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Johnson C., Mumma M., and St-Laurent M-H. 2019. Modelling multispecies predator-prey dynamics – Predicting the outcomes of conservation strategies for woodland caribou. Ecosphere 10:e02622.

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Lewis K., Johnson C., and Karim M.D.N. 2019. Fire and lichen dynamics in the Taiga Shield of the Northwest Territories and implications for barren-ground caribou winter forage. Journal of Vegetation Science 30:448-460.

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Russell K., and Johnson C. 2019. Post-fire dynamics of terrestrial lichens: Implications for the recovery of woodland caribou winter range. Forest Ecology and Management. 434:1-17.

Barber Q., Parisien M-A., DeLancey E., Whitman E., Johnson C., Stralberg D., Price D., St-Laurent M-H., Arseneault D., Wang X., and Flannigan M. 2018. Potential impacts of climate change for the habitat of boreal woodland caribou. Ecosphere 9:e02472.

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Mumma M., Gillingham M., Johnson C., and Parker K. 2018. Where beavers (Castor canadensis) build: testing the influence of habitat quality, predation risk, and anthropogenic risk on colony occurrence. Canadian Journal of Zoology 96:897-904.

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Mumma M., Gillingham M., Parker K., Johnson C., and Watters M. 2018. Predation risk for boreal woodland caribou in human-modified landscapes: evidence of wolf spatial responses independent of apparent competition. Biological Conservation 228:215-223.

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Seip C., Hodder D., Crowley S., and Johnson C. 2018. Use of constructed coarse woody debris corridors in a clearcut by marten and their prey. Forestry - An International Journal of Forest Research. 91: 506-513.

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Rea R., Aitken D., Johnson C., Child K., and Hesse G. 2018. Factors leading to moose-vehicle collisions: You Tube dash cam videos provide answers. Accident Analysis and Prevention 118:207-213.

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Bailey J., Reudink M., LaZerte S., Paetkau M., Johnson C., Hill D., and Otter K. 2018. Using radio-frequency identification (RFID) to investigate the gap-crossing decisions of black-capped chickadees (Poecile atricapillus). The Auk 135:449-460.

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Crowley S., Hodder D., Johnson C., and Yates D. 2018. Wildlife health indicators and mercury exposure: A case study of river otters (Lontra canadensis) in central British Columbia, Canada. Ecological Indicators 89:63-73.

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Bridger, M.C., Johnson, C.J., and Gillingham, M.P. 2018. Working with experts to quantify changes in the abundance of furbearers following rapid and large-scale forest harvesting. Forest Ecology and Management 402:194-203.

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Lesmerises F., Johnson C., and St-Laurent M-H. 2018. Landscape knowledge is an important driver of the fission-fusion dynamics of an alpine ungulate. Animal Behaviour 140:39-47.

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Lesmerises F., Dérya F., Johnson C.J., and St-Laurent M-H. 2018. Spatial response of mountain caribou to the intensity of backcountry skiing. Biological Conservation 217:149-156.

Mumma M., Gillingham M., Johnson C., and Parker K. 2017. Age-specific responses to predation risk in an altered landscape. Ecology and Evolution 7:10266–10277.

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McKay, A., and Johnson, C.J. 2017. Identifying effective and sustainable measures for community-based environmental monitoring. Environmental Management 60:484-495.

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Whitman, E., Parisien, M-A, Price, D, St-Laurent, M-H., Johnson, C.J., DeLancey, E.R., Arseneault, D., and Flannigan, M. 2017. A framework for modelling habitat quality in disturbance-prone areas demonstrated with woodland caribou and wildfire. Ecosphere 8(4):e01787.

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McKay A., and Johnson C.J. 2017. Confronting barriers and recognising opportunities: Developing effective community-based environmental monitoring programs to meet the needs of Aboriginal communities. Environmental Impact Assessment Review 64:16-25.

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Lesmerises F., Johnson C.J., and St-Laurent, M-H. 2017. Refuge or predation risk? Alternate ways to perceive hiker disturbance based on nutritional requirements of female caribou. Ecology and Evolution 7:845-854.

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Rea R., Johnson C.J., Murray B.W., Hodder D.P., and Crowley S. 2016. Timing moose (Alces alces) pellet collections to increase genotyping success of fecal DNA. Journal of Fish and Wildlife Management 7:461-466.

Crowley S., Johnson C.J., and Hodder D. 2016. Are latrine sites an accurate predictor of seasonal habitat selection by river otters (Lontra canadensis) in freshwater systems? Mammal Research 62:37-45.

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Ehlers L., Johnson C.J., Seip D. 2016. Evaluating the effects of anthropogenic landscape change on the distribution of wolves: Implications for the conservation of woodland caribou across boreal and montane ecosystems. Ecosphere 7(12):e01600.

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Klaczek, M., Johnson, C.J., and Cluff, H.D. 2016. Wolf-caribou dynamics within the central Canadian Arctic. Journal of Wildlife Management 80:837-849.

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Bridger, M.C., Johnson, C.J., and Gillingham, M.P. 2016. Assessing cumulative impacts of forest development on the distribution of furbearers using expert-based habitat modeling. Ecological Applications 26:499-514.

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Boyce, M.S, Johnson, C.J., Merrill, E.H., Nielsen, S.F., Solberg, E.J., and van Moorter, B. 2016. Can habitat selection predict abundance? Journal of Animal Ecology 85:11-20.

Ray, J.C., Cichowski, D.B., St-Laurent, M-H., Johnson, C.J., Petersen, S.D., and Thompson, I.D. 2015. Conservation status of caribou in the western mountains of Canada: Protections under the Species at Risk Act, 2002-2014. Rangifer Special Issue 23:49-80.

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Klaczek, M.R., Johnson, C.J., and Cluff, H.D. 2015. Den site selection of wolves in response to declining caribou density in the central Canadian Arctic. Polar Biology 38:2007-2019.

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Johnson, C.J., Williamson-Ehlers, L., and Seip, D. 2015. Witnessing extinction – Cumulative impacts across landscapes and the future loss of an evolutionarily significant unit of woodland caribou in Canada. Biological Conservation 186:176-186.

Hodder, D., Johnson, C.J., Rea, R.V., and Zedrosser, A. 2014. Application of a species distribution model to identify and manage American black bear denning habitat in central BC. Wildlife Biology 20:238-245.

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Johnson, C.J., and Russell, D.E. 2014. Long-term distribution responses of a migratory caribou herd to human disturbance. Biological Conservation 177:52-63.

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Rea, R., Johnson, C.J., and Emmons, S. 2014. Characterizing moose-vehicle collision hotspots in northern British Columbia. Journal of Fish and Wildlife Management 5:46-58.

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Ehlers, L.P.W, Johnson, C.J., and Seip, D. 2014. Movement ecology of wolves across an industrial landscape supporting threatened populations of woodland caribou. Landscape Ecology 29:451-465.

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Johnson, C.J. 2013. Identifying ecological thresholds for regulating human activity: Effective conservation or wishful thinking? Biological Conservation 168:57-65.

Hansen, I-J., Johnson, C.J., and Cluff, H.D. 2013. Synchronicity of movement paths of barren-ground caribou (Rangifer tarandus groenlandicus) and tundra wolves (Canis lupus). Polar Biology 36:1363-1371.

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Johnson, C.J., and Hodder. D., and Crowley, S. 2013. Assessing noninvasive hair and fecal sampling for monitoring the distribution and abundance of river otter. Ecological Research 28:881-892.

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Drescher, M., Perera, A.H., Johnson, C.J., Buse, L.J., Drew, C. A., and Burgman, M. A. 2013. Toward rigorous use of expert knowledge in ecological research. Ecosphere 4.

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Crowley, S., Johnson, C.J., and Hodder. 2013. Spatio-temporal variation in river otter (Lontra canadensis) diet and latrine site activity. Ecoscience 20:28-39.

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Gerwing, T.G., Johnson, C.J., and Alstrom-Rapaport. 2013. Factors influencing forage selection by North American beaver (Castor canadensis). Mammalian Biology 78:79-86.

Witter, L.A., Johnson, C.J., Croft, B., Gunn, A., and Poirier, L. 2012. Gauging climate change effects at local scales: weather-based indices to monitor insect harassment in caribou. Ecological Applications 22:1838-1851.

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Witter, L.A., Johnson, C.J., Croft, B., Gunn, A., and Gillingham, MP. 2012. Behavioural trade-offs in response to external stimuli: time allocation of an Arctic ungulate during varying intensities of harassment by parasitic flies. Journal of Animal Ecology 81:284-295.

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Santomauro, D., Johnson, C.J., and Fondahl, MP. 2012. Historical-ecological evaluation of the long-term distribution of woodland caribou and moose in central British Columbia. Ecosphere 3.

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Crowley, S., Johnson, C.J., and Hodder. 2012. The role of demographic and environmental variables on the presence of snow tracks by river otters Lontra canadensis. Wildlife Biology 18:105-112.

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Crowley, S., Johnson, C.J., and Hodder. 2012. Spatial and behavioural scales of habitat selection and activity by river otters at latrine sites. Journal of Mammalogy 93:170-182.

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Barrier, T.A., and Johnson, C.J. 2012. The influence of fire history on selection of foraging sites by barren-ground caribou. Ecoscience 19:177-188.

Pullinger, M.G., and Johnson C.J. 2010. Evaluation of the least-cost path model for maintaining or restoring connectivity of modified landscapes. Landscape Ecology 25 1547-1560.

Radies, D, Coxson, D, Johnson, C.J., and Konwick, K. 2009. Predicting canopy macrolichen diversity and abundance within old-growth inland temperate rainforests. Forest Ecology and Management 259:86-97.

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Sykes, G.E., Johnson, C.J., and Shrimpton, J.M. 2009. Temperature and flow effects on migration timing of Chinook salmon. Transactions of the American Fisheries Society. 138:1252-1265.

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Wheatley, M., and Johnson, C.J. 2009. Factors limiting our understanding of ecological scale. Ecological Complexity 6:150-159.

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Hurley, M.V., Rapaport, E.K., and Johnson, C.J. 2009. Utility of expert-based knowledge for predicting wildlife-vehicle collisions. Journal of Wildlife Management 73:278-286.

Johnson, C.J., and Seip, D.R. 2008. Relationship between resource selection, distribution, and abundance: a test with implications to theory and conservation. Population Ecology 50:145-157.

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Johnson, C.J., and Gillingham, M.P. 2008. Sensitivity of species-distribution models to error, bias, and model design: An application to resource selection functions for woodland caribou. Ecological Modelling 213:143-155.

Hurley, M.V., Rapaport, E.K., and Johnson, C.J. 2007. A Spatial analysis of moose-vehicle collisions in Mount Revelstoke and Glacier National Parks, Canada. Alces 43:79-100.

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Seip, D.R., Johnson, C.J., and Watts, G. 2007. Displacement of mountain caribou from winter habitat by snowmobiles. Journal of Wildlife Management 71:1539-1544.

Johnson, C.J., Nielsen, S.E., Merrill, E.H., McDonald, T.L., and Boyce, M.S. 2006. Resource selection functions based on use-availability data: theoretical motivations and evaluation methods. Journal of Wildlife Management 70:347-357.

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Johnson, C.J., Parker, K.L., Heard, D.C., and Gillingham, M.P. 2006. Unrealistic animal movement rates as behavioural bouts: a reply. Journal of Animal Ecology 75:303-308.

Johnson, C.J., and Gillingham, M.P. 2005. An evaluation of mapped species distribution models used for conservation planning. Environmental Conservation 32:1-12.

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Johnson, C.J., Boyce, M.S., Case, R.L., Cluff, H.D., Gau, R.J., Gunn, A., and Mulders, R. 2005. Quantifying the cumulative effects of human developments: a regional environmental assessment for sensitive Arctic wildlife. Wildlife Monograph 160.

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Nielsen, S.E., Johnson, C.J., Heard, D.C., and Boyce, M.S. 2005. Modelling species occurrence and abundance: does probability of occurrence reflect population density? Ecography 28:197-208.

Hawley, A.W.L., Sherry, E.E, and Johnson, C.J. 2004. A biologist’s perspective on amalgamating traditional environmental knowledge and resource management. British Columbia Journal of Ecosystems and Management 5:36-50.

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Johnson, C.J., Boyce, M.S., Mulders, R., Gunn, A., Gau, R.J., Cluff, H.D., and Case, R.L. 2004. Quantifying patch distribution at multiple spatial scales: applications to wildlife-habitat models. Landscape Ecology 19:869-882.

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Johnson, C.J., Boyce, M.S., Schwartz, C.C., and Haroldson, M.A. 2004. Modelling survival: application of the Andersen-Gill model to Yellowstone grizzly bear. Journal of Wildlife Management 68:966-978.

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Johnson, C.J. and Gillingham, M.P. 2004. Mapping uncertainty: sensitivity of wildlife habitat ratings to variation in expert opinion. Journal of Applied Ecology 41:1032-1041.

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Johnson, C.J., Seip, D.R., and Boyce, M.S. 2004. A quantitative approach to conservation planning: Using resource selection functions to identify important habitats for mountain caribou. Journal of Applied Ecology 41:238-251.

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Johnson, C.J., Parker, K.L., Heard, D.C., and Seip, D.R. 2004. Movements, foraging habits and habitat use strategies of northern woodland caribou: implications for forest practices. British Columbia Journal of Ecosystems and Management 5:22-35.

Johnson, C.J., Alexander, N.D., Wheate, R.D., and Parker, K.L. 2003. Characterising woodland caribou habitat in sub-boreal and boreal forests. Forest Ecology and Management 180:241-248.

Johnson, C.J., Heard, D.C., and Parker, K.L. 2002. Expectations and realities of GPS animal location collars: results of three years in the field. Wildlife Biology 8:153-159.

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Johnson, C.J., Parker, K.L., Heard, D.C., and Gillingham, M.P. 2002. Movement parameters of ungulates and scale-specific responses to the environment. Journal of Animal Ecology 71:225-235.

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Johnson, C.J., Parker, K.L., Heard, D.C., and Gillingham, M.P. 2002. A multi-scale behavioral approach to understanding the movements of woodland caribou. Ecological Applications 12:1840-1860.

Johnson, C.J., Parker, K.L., and Heard, D.C. 2001. Foraging across a variable landscape: behavioural decisions made by woodland caribou at multiple spatial scales. Oecologia 127:590-602.

Johnson, C.J., Parker, K.L., and Heard, D.C. 2000. Feeding site selection by woodland caribou in northcentral British Columbia. Rangifer Special Issue No. 12: 159-172.

​Sherry, E., and Johnson, C.J. 1999. The forgotten forest: revisiting the forestland allocation strategy. The Forestry Chronicle 75:919-927.