Effects of an agri-environment scheme on wader populations of coastal meadows of southern Sweden
Survey data on breeding wader densities and grazing intensity on coastal meadows on the Baltic island of Öland from 1988, 1998 and 2003 were used to evaluate density and density-changes of four common and widespread wader species, lapwing Vanellus vanellus, redshank Tringa totanus, oystercatcher Hae...
Published in: | Agriculture, Ecosystems & Environment |
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Main Authors: | , |
Format: | Article in Journal/Newspaper |
Language: | English |
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Elsevier
2006
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Online Access: | https://lup.lub.lu.se/record/155256 https://doi.org/10.1016/j.agee.2005.10.018 |
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ftulundlup:oai:lup.lub.lu.se:3850d667-1e71-40af-860c-478bdc514823 2023-05-15T15:54:01+02:00 Effects of an agri-environment scheme on wader populations of coastal meadows of southern Sweden Ottvall, Richard Smith, Henrik 2006 https://lup.lub.lu.se/record/155256 https://doi.org/10.1016/j.agee.2005.10.018 eng eng Elsevier https://lup.lub.lu.se/record/155256 http://dx.doi.org/10.1016/j.agee.2005.10.018 wos:000235765100024 scopus:32144432985 Agriculture, Ecosystems & Environment; 113(1-4), pp 264-271 (2006) ISSN: 1873-2305 Ecology contributiontojournal/article info:eu-repo/semantics/article text 2006 ftulundlup https://doi.org/10.1016/j.agee.2005.10.018 2023-02-01T23:27:32Z Survey data on breeding wader densities and grazing intensity on coastal meadows on the Baltic island of Öland from 1988, 1998 and 2003 were used to evaluate density and density-changes of four common and widespread wader species, lapwing Vanellus vanellus, redshank Tringa totanus, oystercatcher Haematopus ostralegus and ringed plover Charadrius hiaticula in relation to grazing intensity. Population trends over time and changes in densities in relation to changes in grazing management were evaluated. Both wader densities and the environmental variable grazing intensity demonstrated significant spatial autocorrelation, but all main results were unaffected when accounting for spatial structure in the statistical tests. Breeding densities of investigated species were positively related to grazing intensity and local changes in grazing management affected the local change in wader densities. However, average grazing intensity increased over time whereas wader numbers generally remained constant or declined. Thus, changes in grazing intensity could not explain changes in overall breeding numbers. One explanation for this is probably that grazing mainly affected distribution of birds. Some evidence of a buffer effect was found in the redshank and ringed plover, in which breeding densities declined proportionally more in non-shore than in shore habitat. This was probably due to a redistribution of birds to shore habitat. It is concluded that grazing management is essential for the occurrence of waders, but might not be sufficient to ensure long-term viability of wader populations on coastal meadows. Article in Journal/Newspaper Charadrius hiaticula Ringed Plover Vanellus vanellus Lund University Publications (LUP) Agriculture, Ecosystems & Environment 113 1-4 264 271 |
institution |
Open Polar |
collection |
Lund University Publications (LUP) |
op_collection_id |
ftulundlup |
language |
English |
topic |
Ecology |
spellingShingle |
Ecology Ottvall, Richard Smith, Henrik Effects of an agri-environment scheme on wader populations of coastal meadows of southern Sweden |
topic_facet |
Ecology |
description |
Survey data on breeding wader densities and grazing intensity on coastal meadows on the Baltic island of Öland from 1988, 1998 and 2003 were used to evaluate density and density-changes of four common and widespread wader species, lapwing Vanellus vanellus, redshank Tringa totanus, oystercatcher Haematopus ostralegus and ringed plover Charadrius hiaticula in relation to grazing intensity. Population trends over time and changes in densities in relation to changes in grazing management were evaluated. Both wader densities and the environmental variable grazing intensity demonstrated significant spatial autocorrelation, but all main results were unaffected when accounting for spatial structure in the statistical tests. Breeding densities of investigated species were positively related to grazing intensity and local changes in grazing management affected the local change in wader densities. However, average grazing intensity increased over time whereas wader numbers generally remained constant or declined. Thus, changes in grazing intensity could not explain changes in overall breeding numbers. One explanation for this is probably that grazing mainly affected distribution of birds. Some evidence of a buffer effect was found in the redshank and ringed plover, in which breeding densities declined proportionally more in non-shore than in shore habitat. This was probably due to a redistribution of birds to shore habitat. It is concluded that grazing management is essential for the occurrence of waders, but might not be sufficient to ensure long-term viability of wader populations on coastal meadows. |
format |
Article in Journal/Newspaper |
author |
Ottvall, Richard Smith, Henrik |
author_facet |
Ottvall, Richard Smith, Henrik |
author_sort |
Ottvall, Richard |
title |
Effects of an agri-environment scheme on wader populations of coastal meadows of southern Sweden |
title_short |
Effects of an agri-environment scheme on wader populations of coastal meadows of southern Sweden |
title_full |
Effects of an agri-environment scheme on wader populations of coastal meadows of southern Sweden |
title_fullStr |
Effects of an agri-environment scheme on wader populations of coastal meadows of southern Sweden |
title_full_unstemmed |
Effects of an agri-environment scheme on wader populations of coastal meadows of southern Sweden |
title_sort |
effects of an agri-environment scheme on wader populations of coastal meadows of southern sweden |
publisher |
Elsevier |
publishDate |
2006 |
url |
https://lup.lub.lu.se/record/155256 https://doi.org/10.1016/j.agee.2005.10.018 |
genre |
Charadrius hiaticula Ringed Plover Vanellus vanellus |
genre_facet |
Charadrius hiaticula Ringed Plover Vanellus vanellus |
op_source |
Agriculture, Ecosystems & Environment; 113(1-4), pp 264-271 (2006) ISSN: 1873-2305 |
op_relation |
https://lup.lub.lu.se/record/155256 http://dx.doi.org/10.1016/j.agee.2005.10.018 wos:000235765100024 scopus:32144432985 |
op_doi |
https://doi.org/10.1016/j.agee.2005.10.018 |
container_title |
Agriculture, Ecosystems & Environment |
container_volume |
113 |
container_issue |
1-4 |
container_start_page |
264 |
op_container_end_page |
271 |
_version_ |
1766389196675612672 |