Catastrophic effects and farmer role in rice biodiversity conservation: a case representing the upland, rainfed, lowland and irrigated rice ecosystems in Cagayan Valley, Philippines
1999
Morin, S.R. | Belen, M.G. | Calibo, M.C. (International Rice Research Inst., MCPO Box 3127, 1271 Makati City, Manila (Philippines))
Catastrophes of 1997 El Nino and 1998 typhoons (Loleng and Illiang) resulted in a drastic reduction of the availability of seeds for 1998 wet season of rice farmers of Cagayan Valley [Philippines]. The reduction had two effects: lower yields and genetic erosion. The paper lists a number of factors responsible for the reduction in diversity. Implication for crop biodiversity research and crop extension practices are discussed
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Эту запись предоставил University of the Philippines at Los Baños