Elk migration patterns and human activity influence wolf habitat use in the Greater Yellowstone Ecosystem

Abigail A. Nelson, Matthew J. Kauffman, Arthur D. Middleton, Michael D. Jimenez, Douglas E. Mcwhirter, Jarrett Barber, Kenneth Gerow

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

Identifying the ecological dynamics underlying human-wildlife conflicts is important for the management and conservation of wildlife populations. In landscapes still occupied by large carnivores, many ungulate prey species migrate seasonally, yet little empirical research has explored the relationship between carnivore distribution and ungulate migration strategy. In this study, we evaluate the influence of elk (Cervus elaphus) distribution and other landscape features on wolf (Canis lupus) habitat use in an area of chronic wolf- livestock conflict in the Greater Yellowstone Ecosystem, USA. Using three years of fine-scale wolf (n=14) and elk (n=81) movement data, we compared the seasonal habitat use of wolves in an area dominated by migratory elk with that of wolves in an adjacent area dominated by resident elk. Most migratory elk vacate the associated winter wolf territories each summer via a 40-60 km migration, whereas resident elk remain accessible to wolves year-round. We used a generalized linear model to compare the relative probability of wolf use as a function of GISbased habitat covariates in the migratory and resident elk areas. Although wolves in both areas used elk-rich habitat all year, elk density in summer had a weaker influence on the habitat use of wolves in the migratory elk area than the resident elk area. Wolves employed a number of alternative strategies to cope with the departure of migratory elk. Wolves in the two areas also differed in their disposition toward roads. In winter, wolves in the migratory elk area used habitat close to roads, while wolves in the resident elk area avoided roads. In summer, wolves in the migratory elk area were indifferent to roads, while wolves in resident elk areas strongly avoided roads, presumably due to the location of dens and summering elk combined with different traffic levels. Study results can help wildlife managers to anticipate the movements and establishment of wolf packs as they expand into areas with migratory or resident prey populations, varying levels of human activity, and front-country rangelands with potential for conflicts with livestock.

Original languageEnglish (US)
Pages (from-to)2293-2307
Number of pages15
JournalEcological Applications
Volume22
Issue number8
DOIs
StatePublished - Dec 2012

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habitat use
human activity
road
ecosystem
ungulate
carnivore
livestock
summer
habitat
winter
rangeland
conflict
wildlife
distribution

Keywords

  • Absaroka Mountains
  • Canis lupus
  • Cervus elaphus
  • Elk
  • Greater Yellowstone Ecosystem
  • Habitat use
  • Large carnivore conservation
  • Livestock conflict
  • Partial migration
  • Ungulate migration
  • USA
  • Wolves
  • Wyoming

ASJC Scopus subject areas

  • Ecology

Cite this

Nelson, A. A., Kauffman, M. J., Middleton, A. D., Jimenez, M. D., Mcwhirter, D. E., Barber, J., & Gerow, K. (2012). Elk migration patterns and human activity influence wolf habitat use in the Greater Yellowstone Ecosystem. Ecological Applications, 22(8), 2293-2307. https://doi.org/10.1890/11-1829.1

Elk migration patterns and human activity influence wolf habitat use in the Greater Yellowstone Ecosystem. / Nelson, Abigail A.; Kauffman, Matthew J.; Middleton, Arthur D.; Jimenez, Michael D.; Mcwhirter, Douglas E.; Barber, Jarrett; Gerow, Kenneth.

In: Ecological Applications, Vol. 22, No. 8, 12.2012, p. 2293-2307.

Research output: Contribution to journalArticle

Nelson, AA, Kauffman, MJ, Middleton, AD, Jimenez, MD, Mcwhirter, DE, Barber, J & Gerow, K 2012, 'Elk migration patterns and human activity influence wolf habitat use in the Greater Yellowstone Ecosystem', Ecological Applications, vol. 22, no. 8, pp. 2293-2307. https://doi.org/10.1890/11-1829.1
Nelson AA, Kauffman MJ, Middleton AD, Jimenez MD, Mcwhirter DE, Barber J et al. Elk migration patterns and human activity influence wolf habitat use in the Greater Yellowstone Ecosystem. Ecological Applications. 2012 Dec;22(8):2293-2307. https://doi.org/10.1890/11-1829.1
Nelson, Abigail A. ; Kauffman, Matthew J. ; Middleton, Arthur D. ; Jimenez, Michael D. ; Mcwhirter, Douglas E. ; Barber, Jarrett ; Gerow, Kenneth. / Elk migration patterns and human activity influence wolf habitat use in the Greater Yellowstone Ecosystem. In: Ecological Applications. 2012 ; Vol. 22, No. 8. pp. 2293-2307.
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