La Tour du Valat

Institut de recherche pour la conservation des zones humides méditerranéennes

Titre :	[Was everything better in the past? A review of changes in distributional area and population size of Swiss breeding birds 1950–2020] (2023)
Titre original:	War früher alles besser? Eine Bilanz der Areal- und Bestandsveränderungen der Brutvögel 1950–2020 in der Schweiz.
Auteurs :	Martin Weggler, Auteur
Type de document :	Article
Dans :	Ornithologische Beobachter (Der) (120(1) March, 2023)
Article en page(s) :	38–47
Langues:	Allemand
Mots-clés :	Suisse ; Oiseaux nicheurs ; Dynamique population
Résumé :	Based on data from four atlas projects and the Swiss Bird Index®, the changes in the distribution and population of breeding birds in Switzerland are summarised for all breeding bird species. For the three and seven decades (1990-2020 and 1950-2016, respectively), the species with a positive range or population trend clearly outnumber the others. This finding does not correspond to a frequently expressed assessment that the "bird world" in Switzerland has never been as bad as it is today. Possible reasons for the discrepancy are discussed
En ligne :	https://www.ala-schweiz.ch/index.php/ornithologischer-beobachter/artikel-suche?indexid=16633

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