(1989) Actualities: North Dutch Bird days. LIMOSA 62 (3): 161-161.

On Saturday, November 25, 1989, the sixth North Holland Vogeldag its theme New management for birds. speakers are from T. W. Gelder (deputy Province of North Holland: Introduction; P. de Goeij: measures Spoonbills in Schager Cog; R. M. G. of derHut (RSPB) species protection plans, H. van der Lans (Foundation Volunteer Landscape Ontario): ecological Management of birds ascending vegetation); R. Leguijt: management reeds and marsh birds, B. Schrieken: Recent natural construction for waterfowl in Ontario and D. Tangier: nestbeschermingin North Holland, opportunities and limitations.

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