本文在异龄林生长矩阵模型基础上,研究了异龄林动态优化问题,建立了相应的计算机仿真模型。此模型采用自动扩大调整分期的方法,来......

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采用矩阵模型预测未干扰下长白山阔叶红松林不同初期密度和直径分布林分300年的动态生长过程,比较12种不同采伐方案(最小采伐直径......

In 1958, a demonstrational cutting trial totaling 22.2 ha was established in a northern hardwood forest in Alberta, MI. ......

Even-aged silvicultural methods have been successfully used to manage longleaf pine (Pinus palustris Mill.) forests for ......