Recent changes in breeding abundance and distribution of the Common Pochard ( Aythya ferina ) in its eastern range
Background: The Common Pochard ( Aythya ferina ) (hereafter Pochard), a widespread and common freshwater diving duck in the Palearctic, was reclassified in 2015 from Least Concern to Vulnerable IUCN status based on rapid declines throughout its range. Analysis of its status, distribution and the pot...
Published in: | Avian Research |
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2020
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Online Access: | https://pure.au.dk/portal/da/publications/recent-changes-in-breeding-abundance-and-distribution-of-the-common-pochard-aythya-ferina-in-its-eastern-range(44822f10-a895-4efb-9821-17ee111fa9dd).html https://doi.org/10.1186/s40657-020-00209-6 |
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ftuniaarhuspubl:oai:pure.atira.dk:publications/44822f10-a895-4efb-9821-17ee111fa9dd 2023-12-24T10:18:11+01:00 Recent changes in breeding abundance and distribution of the Common Pochard ( Aythya ferina ) in its eastern range Mischenko, Alexander Fox, Anthony David Švažas, Saulius Sukhanova, Olga Czajkowski, Alexandre Kharitonov, Sergey Lokhman, Yuri Ostrovsky, Oleg Vaitkuvienė, Daiva 2020-07 https://pure.au.dk/portal/da/publications/recent-changes-in-breeding-abundance-and-distribution-of-the-common-pochard-aythya-ferina-in-its-eastern-range(44822f10-a895-4efb-9821-17ee111fa9dd).html https://doi.org/10.1186/s40657-020-00209-6 eng eng https://pure.au.dk/portal/da/publications/recent-changes-in-breeding-abundance-and-distribution-of-the-common-pochard-aythya-ferina-in-its-eastern-range(44822f10-a895-4efb-9821-17ee111fa9dd).html info:eu-repo/semantics/openAccess Mischenko , A , Fox , A D , Švažas , S , Sukhanova , O , Czajkowski , A , Kharitonov , S , Lokhman , Y , Ostrovsky , O & Vaitkuvienė , D 2020 , ' Recent changes in breeding abundance and distribution of the Common Pochard ( Aythya ferina ) in its eastern range ' , Avian Research , vol. 11 , no. 1 , 23 . https://doi.org/10.1186/s40657-020-00209-6 Aythya ferina Breeding Common Pochard Population declines Population stressors article 2020 ftuniaarhuspubl https://doi.org/10.1186/s40657-020-00209-6 2023-11-30T00:00:36Z Background: The Common Pochard ( Aythya ferina ) (hereafter Pochard), a widespread and common freshwater diving duck in the Palearctic, was reclassified in 2015 from Least Concern to Vulnerable IUCN status based on rapid declines throughout its range. Analysis of its status, distribution and the potential causes for the decline in Europe has been undertaken, but there has never been a review of its status in the major part of its breeding range across Russia to the Pacific coast. Methods: We reviewed the scientific literature and unpublished reports, and canvassed expert opinion throughout Russia to assess available knowledge about changes in the species distribution and abundance since the 1980s. Results: While accepting available information may not be representative throughout the entire eastern range of the species, the review found marked declines in Pochard breeding abundance in the last two decades throughout European Russia. Pochard have also declined throughout Siberia. Declines throughout the steppe region seemed related to local drought severity in recent years, necessitating further research to confirm this climate link at larger spatial scales. Declines in the forest and forest-steppe regions appeared related to the major abandonment of fish farms in western Russia that had formerly provided habitat for breeding Pochard. However, hyper-eutrophication of shallow eutrophic lakes, cessation of grazing and haymaking in floodplain systems necessary to maintain suitable nesting habitat and disappearance of colonies of the Black-headed Gull ( Chroicocephalus ridibundus ) in a number of wetlands were also implicated. Increasing invasive alien predator species (e.g. American Mink Neovison vison and Raccoon Dog Nyctereutes procyonoides ) and increasing spring hunting were also thought to contribute to declines. Reports of expansion in numbers and range only came from small numbers occurring in the Russian Far East, including on the border with China and the long-established isolated population on Kamchatka ... Article in Journal/Newspaper Kamchatka Black-headed Gull Chroicocephalus ridibundus Siberia Aarhus University: Research Pacific Avian Research 11 1 |
institution |
Open Polar |
collection |
Aarhus University: Research |
op_collection_id |
ftuniaarhuspubl |
language |
English |
topic |
Aythya ferina Breeding Common Pochard Population declines Population stressors |
spellingShingle |
Aythya ferina Breeding Common Pochard Population declines Population stressors Mischenko, Alexander Fox, Anthony David Švažas, Saulius Sukhanova, Olga Czajkowski, Alexandre Kharitonov, Sergey Lokhman, Yuri Ostrovsky, Oleg Vaitkuvienė, Daiva Recent changes in breeding abundance and distribution of the Common Pochard ( Aythya ferina ) in its eastern range |
topic_facet |
Aythya ferina Breeding Common Pochard Population declines Population stressors |
description |
Background: The Common Pochard ( Aythya ferina ) (hereafter Pochard), a widespread and common freshwater diving duck in the Palearctic, was reclassified in 2015 from Least Concern to Vulnerable IUCN status based on rapid declines throughout its range. Analysis of its status, distribution and the potential causes for the decline in Europe has been undertaken, but there has never been a review of its status in the major part of its breeding range across Russia to the Pacific coast. Methods: We reviewed the scientific literature and unpublished reports, and canvassed expert opinion throughout Russia to assess available knowledge about changes in the species distribution and abundance since the 1980s. Results: While accepting available information may not be representative throughout the entire eastern range of the species, the review found marked declines in Pochard breeding abundance in the last two decades throughout European Russia. Pochard have also declined throughout Siberia. Declines throughout the steppe region seemed related to local drought severity in recent years, necessitating further research to confirm this climate link at larger spatial scales. Declines in the forest and forest-steppe regions appeared related to the major abandonment of fish farms in western Russia that had formerly provided habitat for breeding Pochard. However, hyper-eutrophication of shallow eutrophic lakes, cessation of grazing and haymaking in floodplain systems necessary to maintain suitable nesting habitat and disappearance of colonies of the Black-headed Gull ( Chroicocephalus ridibundus ) in a number of wetlands were also implicated. Increasing invasive alien predator species (e.g. American Mink Neovison vison and Raccoon Dog Nyctereutes procyonoides ) and increasing spring hunting were also thought to contribute to declines. Reports of expansion in numbers and range only came from small numbers occurring in the Russian Far East, including on the border with China and the long-established isolated population on Kamchatka ... |
format |
Article in Journal/Newspaper |
author |
Mischenko, Alexander Fox, Anthony David Švažas, Saulius Sukhanova, Olga Czajkowski, Alexandre Kharitonov, Sergey Lokhman, Yuri Ostrovsky, Oleg Vaitkuvienė, Daiva |
author_facet |
Mischenko, Alexander Fox, Anthony David Švažas, Saulius Sukhanova, Olga Czajkowski, Alexandre Kharitonov, Sergey Lokhman, Yuri Ostrovsky, Oleg Vaitkuvienė, Daiva |
author_sort |
Mischenko, Alexander |
title |
Recent changes in breeding abundance and distribution of the Common Pochard ( Aythya ferina ) in its eastern range |
title_short |
Recent changes in breeding abundance and distribution of the Common Pochard ( Aythya ferina ) in its eastern range |
title_full |
Recent changes in breeding abundance and distribution of the Common Pochard ( Aythya ferina ) in its eastern range |
title_fullStr |
Recent changes in breeding abundance and distribution of the Common Pochard ( Aythya ferina ) in its eastern range |
title_full_unstemmed |
Recent changes in breeding abundance and distribution of the Common Pochard ( Aythya ferina ) in its eastern range |
title_sort |
recent changes in breeding abundance and distribution of the common pochard ( aythya ferina ) in its eastern range |
publishDate |
2020 |
url |
https://pure.au.dk/portal/da/publications/recent-changes-in-breeding-abundance-and-distribution-of-the-common-pochard-aythya-ferina-in-its-eastern-range(44822f10-a895-4efb-9821-17ee111fa9dd).html https://doi.org/10.1186/s40657-020-00209-6 |
geographic |
Pacific |
geographic_facet |
Pacific |
genre |
Kamchatka Black-headed Gull Chroicocephalus ridibundus Siberia |
genre_facet |
Kamchatka Black-headed Gull Chroicocephalus ridibundus Siberia |
op_source |
Mischenko , A , Fox , A D , Švažas , S , Sukhanova , O , Czajkowski , A , Kharitonov , S , Lokhman , Y , Ostrovsky , O & Vaitkuvienė , D 2020 , ' Recent changes in breeding abundance and distribution of the Common Pochard ( Aythya ferina ) in its eastern range ' , Avian Research , vol. 11 , no. 1 , 23 . https://doi.org/10.1186/s40657-020-00209-6 |
op_relation |
https://pure.au.dk/portal/da/publications/recent-changes-in-breeding-abundance-and-distribution-of-the-common-pochard-aythya-ferina-in-its-eastern-range(44822f10-a895-4efb-9821-17ee111fa9dd).html |
op_rights |
info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.1186/s40657-020-00209-6 |
container_title |
Avian Research |
container_volume |
11 |
container_issue |
1 |
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