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Résumé :
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In 1999 the three German research centres for ornithology initiated a new Integrated Monitoring of Songbirds project (IMS) for their ringing groups. In the first year, 26 teams collected data on constant effort sites in different regions of the country, and another 20 expressed their willingness to participate. Thus far, the IMS stations are mainly concentrated on two main habitat types, reedbeds and hedgerows/coppices. An extension of the programme, however, is aimed for including other habitat types and a more representative distribution of sites. The paper describes the background and objectives of this project, and gives details on design and methodology. It is aimed to provide long-term data on primary demographic parameters for target landbird species.
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