Importance of movement constraints in habitat selection studies
The aim of this study is to empirically illustrate the importance of taking movement constraints into account when testing for habitat selection with telemetry data. Global Positioning System relocations of two Scandinavian brown bears were used to compare the results of two different tests of habit...
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Online Access: | http://www.sciencedirect.com/science/article/pii/S0304380007006321 |
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ftrepec:oai:RePEc:eee:ecomod:v:213:y:2008:i:2:p:257-262 2024-04-14T08:20:40+00:00 Importance of movement constraints in habitat selection studies Martin, Jodie Calenge, Clément Quenette, Pierre-Yves Allainé, Dominique http://www.sciencedirect.com/science/article/pii/S0304380007006321 unknown http://www.sciencedirect.com/science/article/pii/S0304380007006321 article ftrepec 2024-03-19T10:30:03Z The aim of this study is to empirically illustrate the importance of taking movement constraints into account when testing for habitat selection with telemetry data. Global Positioning System relocations of two Scandinavian brown bears were used to compare the results of two different tests of habitat selection by the bears within their home range. Both relied on the comparison of observed dataset with datasets simulated under the hypothesis of random habitat use. The first analysis did not take movement constraints into account (simulations were carried out by randomly distributing a set of points in the home range) whereas the second analysis accounted for these constraints (simulations were carried out by building random trajectories in the home range). The results for the two analyses showed contrasted results. Therefore, not accounting for movement constraints in analyses may result in a misleading biological interpretation. Autocorrelation between relocations is not undesirable: it contains information about ecological processes that should be integrated in habitat selection analyses. Autocorrelation; Ecological niche; Movement paths; Trajectories; Ursus arctos; Habitat selection; Article in Journal/Newspaper Ursus arctos RePEc (Research Papers in Economics) |
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Open Polar |
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RePEc (Research Papers in Economics) |
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description |
The aim of this study is to empirically illustrate the importance of taking movement constraints into account when testing for habitat selection with telemetry data. Global Positioning System relocations of two Scandinavian brown bears were used to compare the results of two different tests of habitat selection by the bears within their home range. Both relied on the comparison of observed dataset with datasets simulated under the hypothesis of random habitat use. The first analysis did not take movement constraints into account (simulations were carried out by randomly distributing a set of points in the home range) whereas the second analysis accounted for these constraints (simulations were carried out by building random trajectories in the home range). The results for the two analyses showed contrasted results. Therefore, not accounting for movement constraints in analyses may result in a misleading biological interpretation. Autocorrelation between relocations is not undesirable: it contains information about ecological processes that should be integrated in habitat selection analyses. Autocorrelation; Ecological niche; Movement paths; Trajectories; Ursus arctos; Habitat selection; |
format |
Article in Journal/Newspaper |
author |
Martin, Jodie Calenge, Clément Quenette, Pierre-Yves Allainé, Dominique |
spellingShingle |
Martin, Jodie Calenge, Clément Quenette, Pierre-Yves Allainé, Dominique Importance of movement constraints in habitat selection studies |
author_facet |
Martin, Jodie Calenge, Clément Quenette, Pierre-Yves Allainé, Dominique |
author_sort |
Martin, Jodie |
title |
Importance of movement constraints in habitat selection studies |
title_short |
Importance of movement constraints in habitat selection studies |
title_full |
Importance of movement constraints in habitat selection studies |
title_fullStr |
Importance of movement constraints in habitat selection studies |
title_full_unstemmed |
Importance of movement constraints in habitat selection studies |
title_sort |
importance of movement constraints in habitat selection studies |
url |
http://www.sciencedirect.com/science/article/pii/S0304380007006321 |
genre |
Ursus arctos |
genre_facet |
Ursus arctos |
op_relation |
http://www.sciencedirect.com/science/article/pii/S0304380007006321 |
_version_ |
1796299062169829376 |