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Species Diversity & Richness：计算的多样性指数很全，但是一个试用版，只能计算10个样地，每个样地十个种。（A program to aid in biodiversity studies, offering a wide range of alpha and beta diversity related methods, graphical data representation, abundance distributions, and generation of simulated data.）主页http://www.pisces-conservation.com/(s15)
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IP卡
狗仔卡
发表于 2008-12-1 17:00:42
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发表于 2009-7-17 21:14:04
