Assessing coastal species distribution models through the integration of terrestrial, oceanic and atmospheric data

Gregory J M Rickbeil, Nicholas C. Coops, Mark C. Drever, Trisalyn Nelson

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Aim: When considering multiple species in distribution models, environmental variables should be selected that describe the group of species' environmental requirements. This can, however, be challenging in locations such as coastal areas, where different species may respond to terrestrial, oceanic and/or atmospheric conditions. Here, we evaluate the use of remotely sensed (RS) terrestrial, oceanic and interpolated climate variables, as well as a more detailed shore-zone data set, as a means of modelling the distributions of coastal bird species with diverse habitat requirements. Location: Coastal British Columbia, Canada. Methods: Boosted regression trees were used to model the distributions of 60 species of coastal birds using each environmental variable group, run individually and in combination. Models were assessed for their predictive ability and model fit, as well as for model overfitting. Results: Models that incorporated terrestrial data were found to produce the highest model fit and predictive ability of the broad-scale environmental groups. Incorporating the fine-scale shore-zone data offered little improvement, as did selecting the best model in terms of predictive ability by species. Model fit and predictive ability were also found to vary by functional feeding group, with insectivores and benthivores being the best-modelled. Main conclusions: Having access to both broad-scale RS environmental data and more detailed coastal shore-zone data produced modest improvements over employing RS environmental data alone. Models using only the terrestrial data set, however, performed similarly to the best single model type (terrestrial + shore-zone), indicating that broad-scale environmental data also offer an effective means of estimating coastal bird distributions. Testing multiple environmental variable groups in different combinations and selecting the best model allowed models to be optimized by species; conversely, the results of a 'one model fits all' approach were comparable to those of the best models, indicating that a single-model approach is also valid.

Original languageEnglish (US)
Pages (from-to)1614-1625
Number of pages12
JournalJournal of Biogeography
Volume41
Issue number8
DOIs
StatePublished - 2014
Externally publishedYes

Fingerprint

biogeography
distribution
environmental factors
birds
bird
insectivore
insectivores
British Columbia
Canada
climate

Keywords

  • Absence
  • Birds
  • Boosted regression trees
  • Canada
  • Functional feeding group
  • Niche
  • Occurrence
  • Presence
  • Remote sensing

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Ecology

Cite this

Assessing coastal species distribution models through the integration of terrestrial, oceanic and atmospheric data. / Rickbeil, Gregory J M; Coops, Nicholas C.; Drever, Mark C.; Nelson, Trisalyn.

In: Journal of Biogeography, Vol. 41, No. 8, 2014, p. 1614-1625.

Research output: Contribution to journalArticle

Rickbeil, Gregory J M ; Coops, Nicholas C. ; Drever, Mark C. ; Nelson, Trisalyn. / Assessing coastal species distribution models through the integration of terrestrial, oceanic and atmospheric data. In: Journal of Biogeography. 2014 ; Vol. 41, No. 8. pp. 1614-1625.
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