Roofvogels in ZO-Friesland in 1995
De Takkeling , Volume 4 - Issue 1 p. 32- 38
Monitoring trends and breeding success of raptors look place in nine plots in SE-Friesland in 1995, totalling 45.502 ha (12.4% woodland). Less intensive surveys were carried out elsewhere in the same region (Table 1 and 2, Figure 1). Goshawk, Sparrowhawk and Common Buzzard received particular attention (details in Appendix 1, especially regarding densities, nesting success, mean clutch size, mean number of fledglings, age composition among breeding birds and persecution. Persecution of raptors, especially disturbance of nests and taking of eggs, is still widespread in Friesland (Table 3, Appendix 1).
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