Fluctuations and trends in numbers of staging waterbirds in South Sweden 1973-2013.
Regular September counts of staging waterbirds havebeen undertaken annually in south Sweden since 1973as a complement to the International Midwinter Countsundertaken in January each year since 1967. The Septembercounts aim to cover the population development ofstaging waterbirds, especially relating to species that arenot wintering in the country. Between 150 and about 200sites have been included