R script for sample coverage simulations

R code script for simulated communities and species removal for testing abundance-based sample coverage behavior. Script also contains code for creating the graphs in the manuscript submission.本R代码脚本用于构建模拟群落并开展物种移除实验，以检验基于多度的样本覆盖度行为；脚本同时包含了用于生成投稿学术手稿中图表的代码。