| 用材林害虫管理经济阈值模式的研究 |
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| 引用本文： | 郭树平.用材林害虫管理经济阈值模式的研究[J].中国森林病虫,2000,19(3):9-12. |
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| 作者姓名： | 郭树平 |
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| 作者单位： | 黑龙江省森林保护研究所!哈尔滨150040 |
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| 摘 要： | 森林害虫是用材林的大敌。在森林害虫科学管理决策专家系统中 ,害虫危害的经济阈值是最重要的判别依据。该文通过大量的调查 ,系统的研究和实际检测 ,确定了食叶害虫种群控制、蛀干害虫种群控制和树干韧皮部害虫营林防治经济阈值模式
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| 关 键 词： | 用材林 害虫 经济阈值 |
Economic
threshold models of timberlands pest management |
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| GUO,Shu,ping.Economic
threshold models of timberlands pest management[J].Forest Pest and Disease,2000,19(3):9-12. |
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| Authors: | GUO Shu ping |
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| Abstract: | The forest insect pests are main enemies of timber forests. The economic thresholds of insect pests are the most important distinguish basis in the scientific management system of forest pests.The paper establishes the economic threshold mo deles of leaf pest population management,trunk wood pest population management and trunk phloem pest forest management after investigation,systematic study and test. |
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| Keywords: | timberlands pest economic threshold |
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