摘要
本研究以杨树—杨树灰斑病生态系统为研究对象 ,在杨树生长模型和杨树灰斑病流行模型的基础上 ,建立了杨树灰斑病危害的损失量模型和多维动态经济阈值模型。模拟了杨树—杨树灰斑病的系统动态 ,并根据杨树灰斑病常用的管理措施 ,结合经济核算确定不同条件组合下的经济阈值 。
Based on both the model of Populinum population growth and the model of coryneum leaf blotch of Populinum the dynamics of Populinum-coryneum leaf blotch of Populinum system was simulated. Further by economic accounting, the poly dimentional and dynamic economic threshold was determined The optimal management model of Populinum-coryneum leaf blotch of Populinum was builded.
出处
《林业科技》
北大核心
2000年第2期24-26,共1页
Forestry Science & Technology
关键词
杨树
灰斑病
优化管理
Coryneum leaf blotch of Populinum
Optimal management
