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Journal article 1377 views

Do trappers understand marten habitat?

Philip A Wiebe, John M Fryxell, Ian D Thompson, Luca Borger Orcid Logo, James A Baker

The Journal of Wildlife Management, Volume: 77, Issue: 2, Pages: 379 - 391

Swansea University Author: Luca Borger Orcid Logo

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DOI (Published version): 10.1002/jwmg.471

Abstract

Previous studies of the effects of fur trapping on marten populations have not considered habitat variation and how trappers use available habitat. We investigated the behavior of fur trappers with respect to roads, waterways, and the forest habitats that they used on their trap lines, using registe...

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Published in: The Journal of Wildlife Management
Published: 2013
URI: https://cronfa.swan.ac.uk/Record/cronfa16628
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first_indexed 2013-12-15T03:02:49Z
last_indexed 2021-07-17T02:28:43Z
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spelling 2021-07-16T14:53:46.5780750 v2 16628 2013-12-14 Do trappers understand marten habitat? 8416d0ffc3cccdad6e6d67a455e7c4a2 0000-0001-8763-5997 Luca Borger Luca Borger true false 2013-12-14 SBI Previous studies of the effects of fur trapping on marten populations have not considered habitat variation and how trappers use available habitat. We investigated the behavior of fur trappers with respect to roads, waterways, and the forest habitats that they used on their trap lines, using registered trap lines in northern Ontario as a study system. The objectives of this study were to (1) develop models for predicting trap location based on access and habitat features, (2) determine whether trappers target the same habitat preferred by American marten, and (3) investigate effects of spatial resolution on predictive models, using GIS for coarse resolution variables and direct forest mensuration for fine resolution variables. Distance to roads and water was by far the most important factor in logistic models for predicting trap presence, accounting for 51.2 to 61.7% of the observed deviance. At a coarse spatial resolution, trappers selected sites that were close to vehicular access, and in older mixed wood forest stands. Similarly, at a coarse resolution marten selected old stands, but dominated by coniferous trees. At a finer spatial resolution, trappers selected sites with high basal area of trees, pronounced proportion of black spruce, high canopy cover, and high density of coarse woody debris, consistent with previous studies on marten habitat selection at a fine resolution. Although coarse resolution models are more easily applicable because of the wide availability of GIS land cover data, fine resolution models had higher predictive power when considering habitat variables. By quantifying trapper behaviors, these results suggest that the effectiveness of marten sanctuaries used in forest management depend not only on the age and species composition of forest stands left un-logged, but also on the degree to which they are accessible to trappers. Journal Article The Journal of Wildlife Management 77 2 379 391 American marten, boreal forest, fur trapper, habitat selection, marten, Ontario, reservoir strategy,resource selection, road access 31 12 2013 2013-12-31 10.1002/jwmg.471 COLLEGE NANME Biosciences COLLEGE CODE SBI Swansea University 2021-07-16T14:53:46.5780750 2013-12-14T01:37:13.0014462 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Biosciences Philip A Wiebe 1 John M Fryxell 2 Ian D Thompson 3 Luca Borger 0000-0001-8763-5997 4 James A Baker 5
title Do trappers understand marten habitat?
spellingShingle Do trappers understand marten habitat?
Luca Borger
title_short Do trappers understand marten habitat?
title_full Do trappers understand marten habitat?
title_fullStr Do trappers understand marten habitat?
title_full_unstemmed Do trappers understand marten habitat?
title_sort Do trappers understand marten habitat?
author_id_str_mv 8416d0ffc3cccdad6e6d67a455e7c4a2
author_id_fullname_str_mv 8416d0ffc3cccdad6e6d67a455e7c4a2_***_Luca Borger
author Luca Borger
author2 Philip A Wiebe
John M Fryxell
Ian D Thompson
Luca Borger
James A Baker
format Journal article
container_title The Journal of Wildlife Management
container_volume 77
container_issue 2
container_start_page 379
publishDate 2013
institution Swansea University
doi_str_mv 10.1002/jwmg.471
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Biosciences, Geography and Physics - Biosciences{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Biosciences, Geography and Physics - Biosciences
document_store_str 0
active_str 0
description Previous studies of the effects of fur trapping on marten populations have not considered habitat variation and how trappers use available habitat. We investigated the behavior of fur trappers with respect to roads, waterways, and the forest habitats that they used on their trap lines, using registered trap lines in northern Ontario as a study system. The objectives of this study were to (1) develop models for predicting trap location based on access and habitat features, (2) determine whether trappers target the same habitat preferred by American marten, and (3) investigate effects of spatial resolution on predictive models, using GIS for coarse resolution variables and direct forest mensuration for fine resolution variables. Distance to roads and water was by far the most important factor in logistic models for predicting trap presence, accounting for 51.2 to 61.7% of the observed deviance. At a coarse spatial resolution, trappers selected sites that were close to vehicular access, and in older mixed wood forest stands. Similarly, at a coarse resolution marten selected old stands, but dominated by coniferous trees. At a finer spatial resolution, trappers selected sites with high basal area of trees, pronounced proportion of black spruce, high canopy cover, and high density of coarse woody debris, consistent with previous studies on marten habitat selection at a fine resolution. Although coarse resolution models are more easily applicable because of the wide availability of GIS land cover data, fine resolution models had higher predictive power when considering habitat variables. By quantifying trapper behaviors, these results suggest that the effectiveness of marten sanctuaries used in forest management depend not only on the age and species composition of forest stands left un-logged, but also on the degree to which they are accessible to trappers.
published_date 2013-12-31T03:19:01Z
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score 11.016235

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