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Cirad

Evolution of pastoral resources and areas of New Caledonia Island under invasion of plant species

Blanfort V., Guervilly T., Balent G., Ollivier G.. 2002. In : EGF; ed. by Jean-Louis Durand, Jean-Claude Emile, Christian Hu. Multi-function grasslands, quality forages, animal products and landscapes : Proceedings of the 19th General Meeting of the European Grassland Federation, La Rochelle, France, 27-30 May 2002. Versailles : s.n., p. 904-905. (Grassland science in Europe, 7). Congrès de la Fédération Européenne des Herbages. 19, 2002-05-27/2002-05-30, La Rochelle (France).

In the pastoral areas of New Caledonia, more than 30 main weeds are considered as noxious. Our research aims to produce a set of diagnosis tools for a better management of pastoral areas in order to improve animal feeding, while conserving the rangeland environment. Maps of the distribution in New Calédonia of these undesirable or invasive plant species have been drawn up. Different levels of deterioration and impact on the grazing systems have been established. Multidimensional statistic methods analyse the inter-relationship between the invasive species, the pastoral vegetation, the environment and management practices.
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