太平洋地区粮食作物遗传损失:社会经济原因和政策问题

C. Tisdell
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引用次数: 4

摘要

在太平洋岛屿,传统粮食作物的遗传多样性正在下降。提供了这些作物多样性演变的背景资料,概述了这种损失的社会经济原因,分析了这种损失的经济后果,并审查了保存作物品种的经济效益和成本。由于未能保护作物品种而失去的潜在经济利益取决于该作物生产的需求函数的性质。讨论了采用原位和非原位方法保护作物多样性的经济效益。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Genetic Loss in Food Crops in the Pacific: Socio-Economics Causes and Policy Issues
Genetic diversity of traditional food crops is declining in the Pacific Islands. Background information on the evolution of the diversity of these crops is provided, socioeconomic reasons for this loss are outlined, the economic consequences of this loss are analysed, and the economic benefits and costs of conserving crop varieties is examined. The potential economic benefits foregone by failing to conserve a crop variety are shown to depend on the nature of the demand function for the crop’s production. The economics associated with the conservation of crop diversity by in situ and ex situ methods are discussed.
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