r3PG:使用基于3-PG过程的模型进行森林生长模拟的R包-源码
目的
r3PG提供了“预测生长的生理过程”（ ）模型的实现（Landsberg＆Waring，1997），该模型可模拟森林的生长和生产力。 r3PG是用Fortran编写的3-PGpjs （Sands，2010）和3-PGmix （Forrester＆Tang，2016）模型的灵活易用的界面。 该软件包可实现与模型的快速，轻松交互，并且Fortran重新实现可促进计算密集型灵敏度分析和校准。 用户可以灵活地在各种选项和子模块之间切换，以将原始的3-PGpjs模型版本用于单特异性，平均年龄和常绿森林，以及3-PGmix模型，该模型还可以模拟多队列林分（例如，混合，不均匀，的），其中含有落叶树种。
用法
以下是一个基本示例，有关更多扩展示例，请访问package 。
主要功能是run_3PG() ，它按月时间步长返回4种数组或长格式数据帧的每个物种的所有108个模拟变量。
librar
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