Marginal diversity and its application to Chinese sheep breeds conservation
Marginal diversity and its application to Chinese sheep breeds conservation
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DOI：
10.1360/biodiv.040162
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发表时间：
2005
期刊：
影响因子：
--
通讯作者：
Yuehui Ma
中科院分区：
文献类型：
--
作者：
Yuehui Ma
引入边际多样性方法，基于遗传距离和灭绝概率评价了中国北方11个绵羊品种的贡献、边际多样性和保护效力。结果表明，苏尼特羊的边缘多样性最高（-0.2008），滩羊（-0.1932）和兰州大尾羊（-0.1843）次之，岷县黑毛羊最低（-0.1268）。兰州驳尾羊的保护效价最高（0.1419），其次是通羊（0.1017），小尾寒羊最低（0.0365）。我们的结果表明，最佳的保护策略是优先考虑那些具有最高保护效力的品种，而不是最濒危的品种；因此，应优先保护兰州大尾羊和塘羊。
This paper introduced an approach of marginal diversity, and evaluated the contribution, marginal diversity and conservation potency of each of the 11 sheep breeds from northern China based on genetic distance and extinction probability. The results showed that the marginal diversity of Sunite sheep was the highest (-0.2008), Tan sheep (-0.1932) and Lanzhou large tailed sheep (-0.1843) the next, and Minxian black fur sheep the lowest (-0.1268). The conservation potency of Lanzhou barge tailed sheep was the highest (0.1419), the second was Tong sheep (0.1017), and small tailed Han sheep was the lowest (0.0365). Our result suggested that the optimum conservation strategy is to give priority to those breeds with the highest conservation potency,rather than to the most endangered breeds; thus, Lanzhou large tailed sheep and Tong sheep should be given conservation priority.