Intercontinental similarities in riparian-plant diversity and sensitivity to river regulation
We asked whether assemblages of species with separate evolutionary histories differed in their response to similar human interventions. We assessed this by comparing the response of riparian plant communities to river regulation on two different continents. We compared free-flowing and regulated riv...
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Institutionen för ekologi, miljö och geovetenskap
2004
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Online Access: | http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-7892 https://doi.org/10.1890/02-5127 |
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ftumeauniv:oai:DiVA.org:umu-7892 2023-10-09T21:54:31+02:00 Intercontinental similarities in riparian-plant diversity and sensitivity to river regulation Dynesius, Mats Jansson, Roland Johansson, Mats E Nilsson, Christer 2004 application/pdf http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-7892 https://doi.org/10.1890/02-5127 eng eng Institutionen för ekologi, miljö och geovetenskap Ecological Applications, 1051-0761, 2004, 14, s. 173-191 http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-7892 doi:10.1890/02-5127 Scopus 2-s2.0-1242343912 info:eu-repo/semantics/openAccess Natural Sciences Naturvetenskap Article in journal info:eu-repo/semantics/article text 2004 ftumeauniv https://doi.org/10.1890/02-5127 2023-09-22T13:57:23Z We asked whether assemblages of species with separate evolutionary histories differed in their response to similar human interventions. We assessed this by comparing the response of riparian plant communities to river regulation on two different continents. We compared free-flowing and regulated rivers between boreal parts of North America (Alberta and British Columbia) and Europe (Sweden), using a standardized sampling protocol and the same field staff on both continents. Although the two regions shared few species, both riparian plant-species diversity along free-flowing rivers and the response to different kinds of flow regulation were similar between the continents. The number of riparian-plant species and their amount of cover differed among types of water-level regime, but the continental affiliation of a river-margin site did not statistically explain any of the variation. Within continents, the local flora of the regulated river-margin sites was largely similar in species composition to the free-flowing ones, but the sites along storage reservoirs were more species-poor. The similarity in the response to regulation between the continents suggests that general guidelines for rehabilitation of degraded boreal rivers are a realistic goal. The number of species and genera, plant cover, and species numbers in most trait groups (classified according to growth form and life span) were similar between free-flowing river margins in Europe and North America. Moreover, the regional native species pools of northern Sweden and Alberta were similar in size and composition of species groups, despite the fact that only 27% of the species in Alberta were found in northern Sweden. This is presumably because the floras share a common Tertiary origin and because the regions have had largely similar late-Tertiary and Quaternary histories. The most pronounced difference between the continents was that we found no exotic species on the 183 Swedish river-margin sites, whereas 9% of the species found in all 24 North American ... Article in Journal/Newspaper Northern Sweden Umeå University: Publications (DiVA) Ecological Applications 14 1 173 191 |
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Umeå University: Publications (DiVA) |
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ftumeauniv |
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English |
topic |
Natural Sciences Naturvetenskap |
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Natural Sciences Naturvetenskap Dynesius, Mats Jansson, Roland Johansson, Mats E Nilsson, Christer Intercontinental similarities in riparian-plant diversity and sensitivity to river regulation |
topic_facet |
Natural Sciences Naturvetenskap |
description |
We asked whether assemblages of species with separate evolutionary histories differed in their response to similar human interventions. We assessed this by comparing the response of riparian plant communities to river regulation on two different continents. We compared free-flowing and regulated rivers between boreal parts of North America (Alberta and British Columbia) and Europe (Sweden), using a standardized sampling protocol and the same field staff on both continents. Although the two regions shared few species, both riparian plant-species diversity along free-flowing rivers and the response to different kinds of flow regulation were similar between the continents. The number of riparian-plant species and their amount of cover differed among types of water-level regime, but the continental affiliation of a river-margin site did not statistically explain any of the variation. Within continents, the local flora of the regulated river-margin sites was largely similar in species composition to the free-flowing ones, but the sites along storage reservoirs were more species-poor. The similarity in the response to regulation between the continents suggests that general guidelines for rehabilitation of degraded boreal rivers are a realistic goal. The number of species and genera, plant cover, and species numbers in most trait groups (classified according to growth form and life span) were similar between free-flowing river margins in Europe and North America. Moreover, the regional native species pools of northern Sweden and Alberta were similar in size and composition of species groups, despite the fact that only 27% of the species in Alberta were found in northern Sweden. This is presumably because the floras share a common Tertiary origin and because the regions have had largely similar late-Tertiary and Quaternary histories. The most pronounced difference between the continents was that we found no exotic species on the 183 Swedish river-margin sites, whereas 9% of the species found in all 24 North American ... |
format |
Article in Journal/Newspaper |
author |
Dynesius, Mats Jansson, Roland Johansson, Mats E Nilsson, Christer |
author_facet |
Dynesius, Mats Jansson, Roland Johansson, Mats E Nilsson, Christer |
author_sort |
Dynesius, Mats |
title |
Intercontinental similarities in riparian-plant diversity and sensitivity to river regulation |
title_short |
Intercontinental similarities in riparian-plant diversity and sensitivity to river regulation |
title_full |
Intercontinental similarities in riparian-plant diversity and sensitivity to river regulation |
title_fullStr |
Intercontinental similarities in riparian-plant diversity and sensitivity to river regulation |
title_full_unstemmed |
Intercontinental similarities in riparian-plant diversity and sensitivity to river regulation |
title_sort |
intercontinental similarities in riparian-plant diversity and sensitivity to river regulation |
publisher |
Institutionen för ekologi, miljö och geovetenskap |
publishDate |
2004 |
url |
http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-7892 https://doi.org/10.1890/02-5127 |
genre |
Northern Sweden |
genre_facet |
Northern Sweden |
op_relation |
Ecological Applications, 1051-0761, 2004, 14, s. 173-191 http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-7892 doi:10.1890/02-5127 Scopus 2-s2.0-1242343912 |
op_rights |
info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.1890/02-5127 |
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Ecological Applications |
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14 |
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1 |
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173 |
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191 |
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