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The impacts of different management strategies and environmental forcing in ecological communities

K. Enberg, M. S Fowler, E. Ranta, Mike Fowler Orcid Logo

Proceedings of the Royal Society B: Biological Sciences, Volume: 273, Issue: 1600, Pages: 2491 - 2499

Swansea University Author: Mike Fowler Orcid Logo

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DOI (Published version): 10.1098/rspb.2006.3611

Abstract

Understanding the effects of population management on the community a target species belongs to is of key importance for successful management. It is known that the removal or extinction of a single species in a community may lead to extinctions of other community members. In our study, we assess th...

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Published in: Proceedings of the Royal Society B: Biological Sciences
Published: 2006
URI: https://cronfa.swan.ac.uk/Record/cronfa19655
first_indexed 2015-06-19T02:01:46Z
last_indexed 2018-02-09T04:55:27Z
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spelling 2015-06-18T10:16:08.6664269 v2 19655 2014-12-01 The impacts of different management strategies and environmental forcing in ecological communities a3a29027498d4b43a3f082a0a5ba16b4 0000-0003-1544-0407 Mike Fowler Mike Fowler true false 2014-12-01 BGPS Understanding the effects of population management on the community a target species belongs to is of key importance for successful management. It is known that the removal or extinction of a single species in a community may lead to extinctions of other community members. In our study, we assess the impacts of population management on competitive communities, studying the response of both locally stable and unstable communities of varying size (between four and 10 species) to three different management strategies; harvesting of a target species, harvesting with non-targeted catch, and stocking of the target species. We also studied the consequences of selecting target species with different relative abundances, as well as the effects of varying environmental conditions. We show here how the effects of management in competitive communities extend far beyond the target population. A crucial role is played by the underlying stability properties of the community under management. In general, locally unstable communities are more vulnerable to perturbation through management. Furthermore, the community response is shown to be sensitive to the relative density of the target species. Of considerable interest is the result that even a small (2.5%) increase in the population size of the target species through stocking may lead to extinction of other community members. These results emphasize the importance of considering and understanding multi-species interactions in population management. Journal Article Proceedings of the Royal Society B: Biological Sciences 273 1600 2491 2499 31 12 2006 2006-12-31 10.1098/rspb.2006.3611 COLLEGE NANME Biosciences Geography and Physics School COLLEGE CODE BGPS Swansea University 2015-06-18T10:16:08.6664269 2014-12-01T10:06:12.6742039 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Biosciences K. Enberg 1 M. S Fowler 2 E. Ranta 3 Mike Fowler 0000-0003-1544-0407 4
title The impacts of different management strategies and environmental forcing in ecological communities
spellingShingle The impacts of different management strategies and environmental forcing in ecological communities
Mike Fowler
title_short The impacts of different management strategies and environmental forcing in ecological communities
title_full The impacts of different management strategies and environmental forcing in ecological communities
title_fullStr The impacts of different management strategies and environmental forcing in ecological communities
title_full_unstemmed The impacts of different management strategies and environmental forcing in ecological communities
title_sort The impacts of different management strategies and environmental forcing in ecological communities
author_id_str_mv a3a29027498d4b43a3f082a0a5ba16b4
author_id_fullname_str_mv a3a29027498d4b43a3f082a0a5ba16b4_***_Mike Fowler
author Mike Fowler
author2 K. Enberg
M. S Fowler
E. Ranta
Mike Fowler
format Journal article
container_title Proceedings of the Royal Society B: Biological Sciences
container_volume 273
container_issue 1600
container_start_page 2491
publishDate 2006
institution Swansea University
doi_str_mv 10.1098/rspb.2006.3611
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 Understanding the effects of population management on the community a target species belongs to is of key importance for successful management. It is known that the removal or extinction of a single species in a community may lead to extinctions of other community members. In our study, we assess the impacts of population management on competitive communities, studying the response of both locally stable and unstable communities of varying size (between four and 10 species) to three different management strategies; harvesting of a target species, harvesting with non-targeted catch, and stocking of the target species. We also studied the consequences of selecting target species with different relative abundances, as well as the effects of varying environmental conditions. We show here how the effects of management in competitive communities extend far beyond the target population. A crucial role is played by the underlying stability properties of the community under management. In general, locally unstable communities are more vulnerable to perturbation through management. Furthermore, the community response is shown to be sensitive to the relative density of the target species. Of considerable interest is the result that even a small (2.5%) increase in the population size of the target species through stocking may lead to extinction of other community members. These results emphasize the importance of considering and understanding multi-species interactions in population management.
published_date 2006-12-31T06:36:22Z
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