Habitat selection following recent disturbance: Model transferability with implications for management and conservation of moose (Alces Alces)

Garrett M. Street, Lucas M. Vander Vennen, Tal Avgar, Anna Mosser, Morgan L. Anderson, Arthur R. Rodgers, John M. Fryxell

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Site-specific variation in relative habitat abundance and disturbance regimes may produce differences in habitat preferences of associated populations. An evaluation of the predictive power of habitat selection models across space would benefit our understanding of the reliability of models of selection and space use in predicting animal occurrence. We used presence–absence data from winter surveys of moose (Alces alces (L., 1758)) to estimate resource selection functions (RSFs) across two study sites using Far North Land Cover updated with recent disturbance from fire and timber harvest. Moose selected foraging habitat (e.g., deciduous land cover) and for increasing deciduous foliage cover (DNDVI, i.e., the difference in the normalized difference vegetation index). Snow depth negatively influenced habitat selection, likely due to increased predation risk and reduced movement and foraging efficiency. Models lost little predictive power when applied to another site based on comparison of receiver operating characteristic (ROC) curves. Our results corroborated the current body of knowledge concerning moose habitat selection, i.e., moose preferentially use forest stands dominated by deciduous species, but suggested that moose strongly avoided very recently disturbed areas. Minimal site-specific variation and ROC comparison suggests that RSFs may be extended into novel systems, given adequate consideration for habitat quality and abundance, thereby simplifying management needs of this important species.

Original languageEnglish (US)
Pages (from-to)813-821
Number of pages9
JournalCanadian Journal of Zoology
Volume93
Issue number11
DOIs
StatePublished - Aug 18 2015

Fingerprint

Alces alces
habitat preferences
habitat selection
resource selection
disturbance
land cover
foraging efficiency
space use
habitat
predation risk
habitat quality
habitats
foraging
NDVI
foliage
timber
snow
forest stands
animal
winter

Keywords

  • Alces alces
  • Disturbance
  • Habitat selection
  • Logistic regression
  • Management
  • Moose
  • Receiver operating characteristic
  • Remote sensing
  • Resource selection function

Cite this

Habitat selection following recent disturbance : Model transferability with implications for management and conservation of moose (Alces Alces). / Street, Garrett M.; Vander Vennen, Lucas M.; Avgar, Tal; Mosser, Anna; Anderson, Morgan L.; Rodgers, Arthur R.; Fryxell, John M.

In: Canadian Journal of Zoology, Vol. 93, No. 11, 18.08.2015, p. 813-821.

Research output: Contribution to journalArticle

Street, Garrett M. ; Vander Vennen, Lucas M. ; Avgar, Tal ; Mosser, Anna ; Anderson, Morgan L. ; Rodgers, Arthur R. ; Fryxell, John M. / Habitat selection following recent disturbance : Model transferability with implications for management and conservation of moose (Alces Alces). In: Canadian Journal of Zoology. 2015 ; Vol. 93, No. 11. pp. 813-821.
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