Botanical grassland research and nature conservation

Abstract

Botanical grassland research is applied phytosociological science. The following research methods are mentioned : -the Northern School, the School of BRAUN-BLANQUET, and that of DE VRIES. The study of phytosociological units requires a series of permanent experimental fields comprising all units occurring in the Netherlands. In this respect nature conservation and agriculture have the same interests. In the Netherlands the nature conservation organization takes account of these com mon interests. Scientific nature conservation is mainly based on the results of investigations based on the BRAUN-BLANQUET method. Continued investigations have led to a gradual decrease in agricultural ob jections to this method. There is still no complete survey of the present-day system of grassland associations by this method. The classes and principal alliances and associations important for grassland research are mentioned by kind permission of the authors preparing such a publication for the Netherlands. Finally, a rough sketch is given of the policy determining the choice and design of the lay-out of protected areas, viz. their character, number, distribution, size and form. Pedological, agricultural and phytogeographical classifications are also considered in the distribution.

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