Data and code for: Predominantly negative impacts of environmental fluctuations on tree coexistence in a tropical forest

This folder contains the data and R code used in the manuscript “Predominantly negative impacts of environmental fluctuations on tree coexistence in a tropical forest”.Data file:BCI_dat.RData: Demographic data of BCI tropical forest plot from 1990-2015Note on data use: The BCI plot census are available upon request. Researchers must submit a formal research proposal and obtain authorization via the ForestGEO data portal: https://forestgeo.si.edu/explore-data/barro-colorado-island-termsconditionsrequest-forms.Please cite the BCI plot data as: Condit R., Perez, R., Aguilar, S., Lao, S., Foster, R., Hubbell, S.P. 2019. Complete data from the Barro Colorado 50-ha plot: 423617 trees, 35 years, 2019 version. https://doi.org/10.15146/5xcp-0d46.R code files:01_Integral_projection_model.RBuild IPMs02_Kernel.RSave output of IPMs03_Invasion_growth_rate_4scenarios.RSimulate four scenarios and calculate the invasion growth rate04_CV_demographic_rate.REstimate the effects of fluctuating environments and competition on survival, growth, and fecundity05_Sensitivity_of_lambda.RCalculated sensitivity of lambda to a proportional change in a given demographic rateFig_02a-c.R; Fig_02d.R; Fig_03a-c.R; Fig_03d.R; Fig_04.Rcore plotting functions本文件夹包含论文《热带森林中环境波动对树木共存的主要负面影响（Predominantly negative impacts of environmental fluctuations on tree coexistence in a tropical forest）》所用的全部数据与R语言代码。 数据文件：BCI_dat.RData：1990-2015年巴罗科罗拉多岛（Barro Colorado Island, BCI）热带森林样地的种群动态数据。 数据使用说明：巴罗科罗拉多岛样地普查数据需申请获取。研究者需提交正式研究提案，并通过森林GEO（ForestGEO）数据门户完成授权，申请链接：https://forestgeo.si.edu/explore-data/barro-colorado-island-termsconditionsrequest-forms。 请按如下格式引用巴罗科罗拉多岛样地数据：Condit R., Perez, R., Aguilar, S., Lao, S., Foster, R., Hubbell, S.P. 2019. Complete data from the Barro Colorado 50-ha plot: 423617 trees, 35 years, 2019 version. https://doi.org/10.15146/5xcp-0d46。 R代码文件： 01_Integral_projection_model.R：构建积分投影模型（Integral Projection Model, IPM） 02_Kernel.R：保存积分投影模型的输出结果 03_Invasion_growth_rate_4scenarios.R：模拟四种情景并计算入侵生长率 04_CV_demographic_rate.R：估算波动环境与种间竞争对存活、生长及繁殖力的影响 05_Sensitivity_of_lambda.R：计算λ对给定种群动态参数成比例变化时的敏感性 Fig_02a-c.R; Fig_02d.R; Fig_03a-c.R; Fig_03d.R; Fig_04.R：核心绘图函数