Impacts of seven years of experimental warming and nutrient addition on neighbourhood species interactions and community structure in two contrasting alpine plant communities
Global change is predicted to have major impacts on alpine and arctic ecosystems. Plant fitness and growth will be determined by how plants interact with each other at smaller scales. Local-scale neighbourhood interactions may be altered by environmental pertubations, which could fundamentally affec...
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Online Access: | https://www.zora.uzh.ch/id/eprint/148587/ https://www.zora.uzh.ch/148587 https://doi.org/10.1016/j.ecocom.2017.11.003 |
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ftunivzuerich:oai:www.zora.uzh.ch:148587 2024-06-23T07:50:52+00:00 Impacts of seven years of experimental warming and nutrient addition on neighbourhood species interactions and community structure in two contrasting alpine plant communities Baruah, Gaurav Molau, Ulf Jägerbrand, Annika K Alatalo, Juha M 2018 https://www.zora.uzh.ch/id/eprint/148587/ https://www.zora.uzh.ch/148587 https://doi.org/10.1016/j.ecocom.2017.11.003 eng eng Elsevier https://www.zora.uzh.ch/148587 doi:10.1016/j.ecocom.2017.11.003 urn:issn:1476-945X info:eu-repo/semantics/closedAccess Baruah, Gaurav; Molau, Ulf; Jägerbrand, Annika K; Alatalo, Juha M (2018). Impacts of seven years of experimental warming and nutrient addition on neighbourhood species interactions and community structure in two contrasting alpine plant communities. Ecological Complexity, 33:31-40. Institute of Evolutionary Biology and Environmental Studies 570 Life sciences biology 590 Animals (Zoology) Journal Article PeerReviewed info:eu-repo/semantics/article 2018 ftunivzuerich https://doi.org/10.1016/j.ecocom.2017.11.003 2024-05-29T00:44:31Z Global change is predicted to have major impacts on alpine and arctic ecosystems. Plant fitness and growth will be determined by how plants interact with each other at smaller scales. Local-scale neighbourhood interactions may be altered by environmental pertubations, which could fundamentally affect community structure. This study examined the effects of seven years of experimental warming and nutrient addition on overall changes in the community structure and patterns of interspecific interaction between neighbouring plant species in two contrasting alpine plant communities, mesic meadow and poor heath, in subarctic Sweden. We used a network approach to quantify the dissimilarity of plant interaction networks and the average number of interspecific neighbourhood interactions over time in response to different environmental perturbations. The results revealed that combined warming and nutrient addition had significant negative effects on how dissimilar plant interaction networks were over time compared with the control. Moreover, plant–plant neighbourhood interaction networks were more dissimilar over time in nutrient-poor heath than in nutrient-rich mesic meadow. In addition, nutrient addition alone and combined nutrient addition and warming significantly affected neighbourhood species interactions in both plant communities. Surprisingly, changes in interspecific neighbourhood interactions over time in both communities were very similar, suggesting that the nutrient-poor heath is as robust to experimental environmental perturbation as the mesic meadow. Comparisons of changes in neighbouring species interactions with changes in evenness and richness at the same scale, in order to determine whether diversity drove such changes in local-scale interaction patterns, provided moderate evidence that diversity was behind the changes in local-scale interspecific neighbourhood interactions. This implied that species might interact at smaller scales than those at which community measures were made. Overall, these results ... Article in Journal/Newspaper Arctic Subarctic University of Zurich (UZH): ZORA (Zurich Open Repository and Archive Arctic Ecological Complexity 33 31 40 |
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Open Polar |
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University of Zurich (UZH): ZORA (Zurich Open Repository and Archive |
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ftunivzuerich |
language |
English |
topic |
Institute of Evolutionary Biology and Environmental Studies 570 Life sciences biology 590 Animals (Zoology) |
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Institute of Evolutionary Biology and Environmental Studies 570 Life sciences biology 590 Animals (Zoology) Baruah, Gaurav Molau, Ulf Jägerbrand, Annika K Alatalo, Juha M Impacts of seven years of experimental warming and nutrient addition on neighbourhood species interactions and community structure in two contrasting alpine plant communities |
topic_facet |
Institute of Evolutionary Biology and Environmental Studies 570 Life sciences biology 590 Animals (Zoology) |
description |
Global change is predicted to have major impacts on alpine and arctic ecosystems. Plant fitness and growth will be determined by how plants interact with each other at smaller scales. Local-scale neighbourhood interactions may be altered by environmental pertubations, which could fundamentally affect community structure. This study examined the effects of seven years of experimental warming and nutrient addition on overall changes in the community structure and patterns of interspecific interaction between neighbouring plant species in two contrasting alpine plant communities, mesic meadow and poor heath, in subarctic Sweden. We used a network approach to quantify the dissimilarity of plant interaction networks and the average number of interspecific neighbourhood interactions over time in response to different environmental perturbations. The results revealed that combined warming and nutrient addition had significant negative effects on how dissimilar plant interaction networks were over time compared with the control. Moreover, plant–plant neighbourhood interaction networks were more dissimilar over time in nutrient-poor heath than in nutrient-rich mesic meadow. In addition, nutrient addition alone and combined nutrient addition and warming significantly affected neighbourhood species interactions in both plant communities. Surprisingly, changes in interspecific neighbourhood interactions over time in both communities were very similar, suggesting that the nutrient-poor heath is as robust to experimental environmental perturbation as the mesic meadow. Comparisons of changes in neighbouring species interactions with changes in evenness and richness at the same scale, in order to determine whether diversity drove such changes in local-scale interaction patterns, provided moderate evidence that diversity was behind the changes in local-scale interspecific neighbourhood interactions. This implied that species might interact at smaller scales than those at which community measures were made. Overall, these results ... |
format |
Article in Journal/Newspaper |
author |
Baruah, Gaurav Molau, Ulf Jägerbrand, Annika K Alatalo, Juha M |
author_facet |
Baruah, Gaurav Molau, Ulf Jägerbrand, Annika K Alatalo, Juha M |
author_sort |
Baruah, Gaurav |
title |
Impacts of seven years of experimental warming and nutrient addition on neighbourhood species interactions and community structure in two contrasting alpine plant communities |
title_short |
Impacts of seven years of experimental warming and nutrient addition on neighbourhood species interactions and community structure in two contrasting alpine plant communities |
title_full |
Impacts of seven years of experimental warming and nutrient addition on neighbourhood species interactions and community structure in two contrasting alpine plant communities |
title_fullStr |
Impacts of seven years of experimental warming and nutrient addition on neighbourhood species interactions and community structure in two contrasting alpine plant communities |
title_full_unstemmed |
Impacts of seven years of experimental warming and nutrient addition on neighbourhood species interactions and community structure in two contrasting alpine plant communities |
title_sort |
impacts of seven years of experimental warming and nutrient addition on neighbourhood species interactions and community structure in two contrasting alpine plant communities |
publisher |
Elsevier |
publishDate |
2018 |
url |
https://www.zora.uzh.ch/id/eprint/148587/ https://www.zora.uzh.ch/148587 https://doi.org/10.1016/j.ecocom.2017.11.003 |
geographic |
Arctic |
geographic_facet |
Arctic |
genre |
Arctic Subarctic |
genre_facet |
Arctic Subarctic |
op_source |
Baruah, Gaurav; Molau, Ulf; Jägerbrand, Annika K; Alatalo, Juha M (2018). Impacts of seven years of experimental warming and nutrient addition on neighbourhood species interactions and community structure in two contrasting alpine plant communities. Ecological Complexity, 33:31-40. |
op_relation |
https://www.zora.uzh.ch/148587 doi:10.1016/j.ecocom.2017.11.003 urn:issn:1476-945X |
op_rights |
info:eu-repo/semantics/closedAccess |
op_doi |
https://doi.org/10.1016/j.ecocom.2017.11.003 |
container_title |
Ecological Complexity |
container_volume |
33 |
container_start_page |
31 |
op_container_end_page |
40 |
_version_ |
1802641801903865856 |