Biodiversity decline detected in bird observations 1981–2018 around the islands of Seili, the Archipelago Sea, SW Finland
Bird sightings have been documented during the years 1981–2018 on the Seili and nearby islands in the Finnish Archipelago Sea, northern Baltic Sea. In this study, trends in sightings of bird species / groups and families or orders were classified as increasing, stable, decreasing or sporadic (random...
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Societas pro fauna et flora Fennica
2022
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ftunivturku:oai:www.utupub.fi:10024/164141 2023-05-15T16:32:42+02:00 Biodiversity decline detected in bird observations 1981–2018 around the islands of Seili, the Archipelago Sea, SW Finland Jasmin Inkinen Jari Hänninen Miro Pietilä Katja Mäkinen biodiversiteettiyksikkö, Biodiversity unit ympäristömuutokset, Ympäristömuutokset 2606010 2606018 2022-10-28T13:17:13Z 37 48 https://www.utupub.fi/handle/10024/164141 https://journal.fi/msff/article/view/98690 en eng Societas pro fauna et flora Fennica Suomi Finland FI Helsinki 96 Memoranda: Societatis Pro Fauna Et Flora Fennica https://www.utupub.fi/handle/10024/164141 https://journal.fi/msff/article/view/98690 URN:NBN:fi-fe2022081154532 0373-6873 2022 ftunivturku 2022-11-03T00:00:57Z Bird sightings have been documented during the years 1981–2018 on the Seili and nearby islands in the Finnish Archipelago Sea, northern Baltic Sea. In this study, trends in sightings of bird species / groups and families or orders were classified as increasing, stable, decreasing or sporadic (random) based on monthly observation data. A total of 213 species were noticed in monitoring. Many species and groups declined during the study period, taxonomically 65 % of the bird families or orders showed decreasing abundances for over half or more than half of their species. The decline in bird diversity was evident also in the community composition of bird groups which has been narrowed down during the study period. Only a few species showed an increasing trend, most notably the White-tailed Eagle ( Haliaeetus albicilla ) and the Great Cormorant ( Phalacrocorax carbo sinensis ). Presently many bird species spend lesser time at the area than during early observation years. Other/Unknown Material Haliaeetus albicilla White-tailed eagle University of Turku: UTUPub |
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University of Turku: UTUPub |
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language |
English |
description |
Bird sightings have been documented during the years 1981–2018 on the Seili and nearby islands in the Finnish Archipelago Sea, northern Baltic Sea. In this study, trends in sightings of bird species / groups and families or orders were classified as increasing, stable, decreasing or sporadic (random) based on monthly observation data. A total of 213 species were noticed in monitoring. Many species and groups declined during the study period, taxonomically 65 % of the bird families or orders showed decreasing abundances for over half or more than half of their species. The decline in bird diversity was evident also in the community composition of bird groups which has been narrowed down during the study period. Only a few species showed an increasing trend, most notably the White-tailed Eagle ( Haliaeetus albicilla ) and the Great Cormorant ( Phalacrocorax carbo sinensis ). Presently many bird species spend lesser time at the area than during early observation years. |
author2 |
biodiversiteettiyksikkö, Biodiversity unit ympäristömuutokset, Ympäristömuutokset 2606010 2606018 |
author |
Jasmin Inkinen Jari Hänninen Miro Pietilä Katja Mäkinen |
spellingShingle |
Jasmin Inkinen Jari Hänninen Miro Pietilä Katja Mäkinen Biodiversity decline detected in bird observations 1981–2018 around the islands of Seili, the Archipelago Sea, SW Finland |
author_facet |
Jasmin Inkinen Jari Hänninen Miro Pietilä Katja Mäkinen |
author_sort |
Jasmin Inkinen |
title |
Biodiversity decline detected in bird observations 1981–2018 around the islands of Seili, the Archipelago Sea, SW Finland |
title_short |
Biodiversity decline detected in bird observations 1981–2018 around the islands of Seili, the Archipelago Sea, SW Finland |
title_full |
Biodiversity decline detected in bird observations 1981–2018 around the islands of Seili, the Archipelago Sea, SW Finland |
title_fullStr |
Biodiversity decline detected in bird observations 1981–2018 around the islands of Seili, the Archipelago Sea, SW Finland |
title_full_unstemmed |
Biodiversity decline detected in bird observations 1981–2018 around the islands of Seili, the Archipelago Sea, SW Finland |
title_sort |
biodiversity decline detected in bird observations 1981–2018 around the islands of seili, the archipelago sea, sw finland |
publisher |
Societas pro fauna et flora Fennica |
publishDate |
2022 |
url |
https://www.utupub.fi/handle/10024/164141 https://journal.fi/msff/article/view/98690 |
genre |
Haliaeetus albicilla White-tailed eagle |
genre_facet |
Haliaeetus albicilla White-tailed eagle |
op_relation |
96 Memoranda: Societatis Pro Fauna Et Flora Fennica https://www.utupub.fi/handle/10024/164141 https://journal.fi/msff/article/view/98690 URN:NBN:fi-fe2022081154532 0373-6873 |
_version_ |
1766022461811326976 |