Population trends of birds in alpine habitats at Ammarnäs in southern Swedish Lapland 1972-2011
All birds were counted along six permanent routes (total length 90 km) located in the low alpine zone (800–1000 m.a.s.l.) at Ammarnäs, southern Lapland, during fortyyears, 1972–2011. Eighty-three species were recorded; average 41 species and 1677 birds per year. Number of species as well as populati...
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Language: | English |
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Sveriges Ornitologiska Förening
2013
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Online Access: | https://lup.lub.lu.se/record/5275616 |
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ftulundlup:oai:lup.lub.lu.se:0b89353c-cd44-4dc9-b0a1-869c3efc928b 2023-05-15T15:34:48+02:00 Population trends of birds in alpine habitats at Ammarnäs in southern Swedish Lapland 1972-2011 Svensson, Sören Andersson, Thomas 2013 https://lup.lub.lu.se/record/5275616 eng eng Sveriges Ornitologiska Förening https://lup.lub.lu.se/record/5275616 scopus:84901914568 Ornis Svecica; 23(2), pp 81-107 (2013) ISSN: 1102-6812 Ecology contributiontojournal/article info:eu-repo/semantics/article text 2013 ftulundlup 2023-02-01T23:33:14Z All birds were counted along six permanent routes (total length 90 km) located in the low alpine zone (800–1000 m.a.s.l.) at Ammarnäs, southern Lapland, during fortyyears, 1972–2011. Eighty-three species were recorded; average 41 species and 1677 birds per year. Number of species as well as population size increased for waterfowl, waders and other non-passerines but not for passerines. Thirteen of the thirty-eight most regular species had significant population trends, twelve of them positive. The route counts correlated well with the number of pairs in two adjacent territory mapping plots. The trends also correlated positively with those found in all mountain routes of the Swedish Bird Survey. Although not quite significant this similarity indicates that common largescale factors are involved in governing the local population changes. Several of the species that have their main distribution at lower levels are expanding their ranges into the alpine zone. Despite the predominance of positive trends some species have more or less severe problems, requiring deeper studies or conservation measures: Melanitta fusca, Aythya marila, Philomachus pugnax, Eremophila alpestris and Plectrophenax nivalis. Article in Journal/Newspaper Aythya marila Eremophila alpestris Melanitta fusca Philomachus pugnax Plectrophenax nivalis Lapland Lund University Publications (LUP) Ammarnäs ENVELOPE(16.210,16.210,65.958,65.958) |
institution |
Open Polar |
collection |
Lund University Publications (LUP) |
op_collection_id |
ftulundlup |
language |
English |
topic |
Ecology |
spellingShingle |
Ecology Svensson, Sören Andersson, Thomas Population trends of birds in alpine habitats at Ammarnäs in southern Swedish Lapland 1972-2011 |
topic_facet |
Ecology |
description |
All birds were counted along six permanent routes (total length 90 km) located in the low alpine zone (800–1000 m.a.s.l.) at Ammarnäs, southern Lapland, during fortyyears, 1972–2011. Eighty-three species were recorded; average 41 species and 1677 birds per year. Number of species as well as population size increased for waterfowl, waders and other non-passerines but not for passerines. Thirteen of the thirty-eight most regular species had significant population trends, twelve of them positive. The route counts correlated well with the number of pairs in two adjacent territory mapping plots. The trends also correlated positively with those found in all mountain routes of the Swedish Bird Survey. Although not quite significant this similarity indicates that common largescale factors are involved in governing the local population changes. Several of the species that have their main distribution at lower levels are expanding their ranges into the alpine zone. Despite the predominance of positive trends some species have more or less severe problems, requiring deeper studies or conservation measures: Melanitta fusca, Aythya marila, Philomachus pugnax, Eremophila alpestris and Plectrophenax nivalis. |
format |
Article in Journal/Newspaper |
author |
Svensson, Sören Andersson, Thomas |
author_facet |
Svensson, Sören Andersson, Thomas |
author_sort |
Svensson, Sören |
title |
Population trends of birds in alpine habitats at Ammarnäs in southern Swedish Lapland 1972-2011 |
title_short |
Population trends of birds in alpine habitats at Ammarnäs in southern Swedish Lapland 1972-2011 |
title_full |
Population trends of birds in alpine habitats at Ammarnäs in southern Swedish Lapland 1972-2011 |
title_fullStr |
Population trends of birds in alpine habitats at Ammarnäs in southern Swedish Lapland 1972-2011 |
title_full_unstemmed |
Population trends of birds in alpine habitats at Ammarnäs in southern Swedish Lapland 1972-2011 |
title_sort |
population trends of birds in alpine habitats at ammarnäs in southern swedish lapland 1972-2011 |
publisher |
Sveriges Ornitologiska Förening |
publishDate |
2013 |
url |
https://lup.lub.lu.se/record/5275616 |
long_lat |
ENVELOPE(16.210,16.210,65.958,65.958) |
geographic |
Ammarnäs |
geographic_facet |
Ammarnäs |
genre |
Aythya marila Eremophila alpestris Melanitta fusca Philomachus pugnax Plectrophenax nivalis Lapland |
genre_facet |
Aythya marila Eremophila alpestris Melanitta fusca Philomachus pugnax Plectrophenax nivalis Lapland |
op_source |
Ornis Svecica; 23(2), pp 81-107 (2013) ISSN: 1102-6812 |
op_relation |
https://lup.lub.lu.se/record/5275616 scopus:84901914568 |
_version_ |
1766365079812440064 |