主要内容是教读者如何在R语言中实现数量生态学基本方法（数据描述性统计、关联测度计算）和高级方法（聚类分析、排序分析和空间分析）。(The main content is to teach readers how to implement the basic methods of Quantitative Ecology (data descr iptive statistics, association measure calculation) and advanced methods (clu