File:Bilan du dénombrements des hivernants du Golfe du Morbilan de 1991 à 2015.png

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Français : Courbe de dénombrements des oiseaux hivernants dans le Golfe du Morbilan de 1991 à 2015, montrant une forte tendance à la baisse (-30% environ en 25 ans). Sur cette période et dans ce Golfe, les populations d'anatidés et de foulques et de plongeurs s'effondrent alors que les limicoles sont stables (détails : https://golfedumorbihan.org/pdf/Golfe-Morbihan-Bilan-Hivernants-2015-2016.pdf).
English: Curve counts of wintering birds in the French (Gulf of Morbilan, in Britain, Western France) from 1991 to 2015, showing a strong downward trend (-30% in 25 years). During this period and in this Gulf, the populations of anatidae and coots and divers collapse while the waders are stable (to see details: https://golfedumorbihan.org/pdf/Golfe-Morbihan-Bilan-Winter-2015 -2016.pdf).
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source of datas : French ONCFS : https://golfedumorbihan.org/pdf/Golfe-Morbihan-Bilan-Hivernants-2015-2016.pdf archive copy at the Wayback Machine

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current19:27, 13 September 2018Thumbnail for version as of 19:27, 13 September 20181,376 × 1,232 (4.87 MB)Lamiot (talk | contribs)User created page with UploadWizard

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