Wadden Sea Ecosystem 37: Trends of Migratory and Wintering Waterbirds in the Wadden Sea 1987/1988 - 2013/2014

The Joint Monitoring of Migratory Birds (JMMB) Group presents 25- and 10-year trends on 34 migratory bird species up to 2013/2014. Trends of 10 sub-species are included in the progress report.