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Ecological traits affect the sensitivity of bees to land-use pressures in European agricultural landscapes

Adriana De Palma, Michael Kuhlmann, Stuart P.M. Roberts, Simon G. Potts, Lawrence N. Hudson, Igor Lysenko, Luca Borger Orcid Logo, Tim Newbold, Andy Purvis

Journal of Applied Ecology

Swansea University Author: Luca Borger Orcid Logo

DOI (Published version): 10.1111/1365-2664.12524

Abstract

1. Bees are a functionally important and economically valuable group, but are threatened by land-use conversion and intensification. Such pressures are not expected to affect all species identically; rather, they are likely to be mediated by the species’ ecological traits.2. Understanding which type...

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Published in: Journal of Applied Ecology
Published: 2015
URI: https://cronfa.swan.ac.uk/Record/cronfa22329
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first_indexed 2015-07-09T12:10:59Z
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spelling 2019-05-29T15:34:11.7217389 v2 22329 2015-07-09 Ecological traits affect the sensitivity of bees to land-use pressures in European agricultural landscapes 8416d0ffc3cccdad6e6d67a455e7c4a2 0000-0001-8763-5997 Luca Borger Luca Borger true false 2015-07-09 SBI 1. Bees are a functionally important and economically valuable group, but are threatened by land-use conversion and intensification. Such pressures are not expected to affect all species identically; rather, they are likely to be mediated by the species’ ecological traits.2. Understanding which types of species are most vulnerable under which land uses is an important step towards effective conservation planning.3. We collated occurrence and abundance data for 257 bee species at 1,584 European sites from surveys reported in 30 published papers (70,056 records), and combined them with species-level ecological trait data. We used mixed-effects models to assess the importance of land use (land-use class, agricultural use-intensity and a remotely-sensed measure of vegetation), traits, and trait × land use interactions, in explaining species occurrence and 12 abundance.4. Species’ sensitivity to land use was most strongly influenced by foraging range and flight season, but also by niche breadth, phenology and reproductive strategy, with effects that differed among cropland, pastoral and urban habitats.5. Synthesis and applications. Rather than targeting particular species or settings, conservation actions may be more effective if focused on mitigating situations where species’ traits strongly and negatively interact with land-use pressures. We find evidence that low intensity agriculture can maintain relatively diverse bee communities; in more intensive settings, added floral resources may be beneficial, but will require careful placement with respect to foraging ranges of smaller bee species. Protection of semi-natural habitats is essential, however; in particular, conversion to urban environments could have severe effects on bee diversity and pollination services. Our results highlight the importance of exploring how ecological traits mediate species responses to human impacts, but further research is needed to enhance the predictive ability of such analyses. Journal Article Journal of Applied Ecology Life-history traits, human impacts, ecosystem services, biodiversity, pollinators, land-use change, land-use intensification. 31 12 2015 2015-12-31 10.1111/1365-2664.12524 COLLEGE NANME Biosciences COLLEGE CODE SBI Swansea University 2019-05-29T15:34:11.7217389 2015-07-09T01:16:25.0360676 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Biosciences Adriana De Palma 1 Michael Kuhlmann 2 Stuart P.M. Roberts 3 Simon G. Potts 4 Lawrence N. Hudson 5 Igor Lysenko 6 Luca Borger 0000-0001-8763-5997 7 Tim Newbold 8 Andy Purvis 9 0022329-09072015011720.pdf DePalma_etal_2015_acceptedVersion.pdf 2015-07-09T01:17:20.1670000 Output 788181 application/pdf Accepted Manuscript true 2016-05-19T00:00:00.0000000 true
title Ecological traits affect the sensitivity of bees to land-use pressures in European agricultural landscapes
spellingShingle Ecological traits affect the sensitivity of bees to land-use pressures in European agricultural landscapes
Luca Borger
title_short Ecological traits affect the sensitivity of bees to land-use pressures in European agricultural landscapes
title_full Ecological traits affect the sensitivity of bees to land-use pressures in European agricultural landscapes
title_fullStr Ecological traits affect the sensitivity of bees to land-use pressures in European agricultural landscapes
title_full_unstemmed Ecological traits affect the sensitivity of bees to land-use pressures in European agricultural landscapes
title_sort Ecological traits affect the sensitivity of bees to land-use pressures in European agricultural landscapes
author_id_str_mv 8416d0ffc3cccdad6e6d67a455e7c4a2
author_id_fullname_str_mv 8416d0ffc3cccdad6e6d67a455e7c4a2_***_Luca Borger
author Luca Borger
author2 Adriana De Palma
Michael Kuhlmann
Stuart P.M. Roberts
Simon G. Potts
Lawrence N. Hudson
Igor Lysenko
Luca Borger
Tim Newbold
Andy Purvis
format Journal article
container_title Journal of Applied Ecology
publishDate 2015
institution Swansea University
doi_str_mv 10.1111/1365-2664.12524
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 1
active_str 0
description 1. Bees are a functionally important and economically valuable group, but are threatened by land-use conversion and intensification. Such pressures are not expected to affect all species identically; rather, they are likely to be mediated by the species’ ecological traits.2. Understanding which types of species are most vulnerable under which land uses is an important step towards effective conservation planning.3. We collated occurrence and abundance data for 257 bee species at 1,584 European sites from surveys reported in 30 published papers (70,056 records), and combined them with species-level ecological trait data. We used mixed-effects models to assess the importance of land use (land-use class, agricultural use-intensity and a remotely-sensed measure of vegetation), traits, and trait × land use interactions, in explaining species occurrence and 12 abundance.4. Species’ sensitivity to land use was most strongly influenced by foraging range and flight season, but also by niche breadth, phenology and reproductive strategy, with effects that differed among cropland, pastoral and urban habitats.5. Synthesis and applications. Rather than targeting particular species or settings, conservation actions may be more effective if focused on mitigating situations where species’ traits strongly and negatively interact with land-use pressures. We find evidence that low intensity agriculture can maintain relatively diverse bee communities; in more intensive settings, added floral resources may be beneficial, but will require careful placement with respect to foraging ranges of smaller bee species. Protection of semi-natural habitats is essential, however; in particular, conversion to urban environments could have severe effects on bee diversity and pollination services. Our results highlight the importance of exploring how ecological traits mediate species responses to human impacts, but further research is needed to enhance the predictive ability of such analyses.
published_date 2015-12-31T03:26:35Z
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score 11.037581

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