Computational code for CCV metrics and two empirical datasets (D. dichotoma and S. viridis)

The zipped file contains: 1) the self-explained R script for conducting multi-scale grid sampling and calculating various CCV metrics presented in the paper, 2) the users' guide for the R code, 3) abundance of <em>D. dichotoma</em> in sampling quadrats of the Changjiang water reservoir in Zhongshan City of the Guangdong Province of China, and 4) <em>S. viridis</em> in sampling quadrats of the highland barley cropland Rikaze City of Tibet, China.该压缩包内含以下内容：1）用于开展本论文所述多尺度网格采样并计算各类CCV（Color Coherence Vector）指标的自注释R脚本；2）该R代码的用户使用指南；3）中国广东省中山市长江水库样方内双叉马唐（D. dichotoma）的多度数据；4）中国西藏自治区日喀则市青稞田样方内狗尾草（S. viridis）的多度数据。