Population Trends Indicated by Birds Ringed in Sweden

Publication Type:Journal Article
Year of Publication:1982
Authors:Österlöf, S, Stolt, B-O
Journal:Ornis Scandinavica
Volume:13
Issue:2
Date Published:1982
ISBN Number:00305693
Keywords:Acanthis cannabina, Acrocephalidae, Acrocephalus, Acrocephalus scirpaceus, Anthus, Anthus pratensis, Carduelis, Carduelis cannabina, Carpodacus, Carpodacus erythrinus, Delichon, Delichon urbica, Delichon urbicum, Erythrina erythrina, Fringillidae, Hippolais, Hippolais icterina, Hirundinidae, Linaria, Linaria cannabina, Motacillidae, Muscicapa, Muscicapa striata, Muscicapidae, Notiocichla scirpacea, Phoenicurus, Phoenicurus phoenicurus, Sollicitus scirpaceus, Sweden
Abstract:In the years 1960-1979 more than 2.5 million birds were ringed in Sweden. For 34 selected passerine species the annual ringing totals were analysed. The ringing numbers indicated longterm trends of increase or decrease in about one fourth of the species treated. Species with a clearly increasing trend are Acrocephalus scirpaceus, Hippolais icterina and Carpodacus erythrinus. A decreasing trend was obvious in Delichon urbica, Phoenicurus phoenicurus, Muscicapa striata, Carduelis cannabina and Anthus pratensis.
URL:http://www.jstor.org/stable/3676200
Short Title:Ornis Scandinavica
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