DIJK VAN AJ (1983) News: National study of turnover of breeding birds. LIMOSA 56 (1): 34-35.

By SOVON / COV and the Central Bureau of Statistics are currently being explored possibilities in the Netherlands to organize a study into the some course of breeding, a breeding-monitoring project. Before such a project in 1984 launch would succeed, it must first be selected or a long-term project whey succeed has. 1982 and 1983 has been allocated to investigate or monitoring a breeding project in the Netherlands whey is to organize, how many employees are expected may be the method of field research Most will bear fruit and which method for employees the most enjoyable and easy to implement.

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