| 不同生态环境条件下紫茎泽兰种群动态的调查 |
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| 引用本文： | 熊智,谢开立.不同生态环境条件下紫茎泽兰种群动态的调查[J].西南林学院学报,1987(1). |
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| 作者姓名： | 熊智 谢开立 |
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| 作者单位： | Xiong Zhi，Xie Kaili |
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| 摘 要： | 通过对不同年限休闲地、采伐迹地、五年采伐迹地,不同伐桩密度和不同林龄的林地条件下,紫茎泽兰发生情况的实地调查。初步探明,紫茎泽兰种群数量在不同生境条件下的发生动态显著不同。不同年限采伐迹地,只要有母树,林木自然更新,有可能替代控制紫茎泽兰。在留有伐桩的采伐迹地,当伐桩密度达到50株/亩或更大,五年就可达到控制。林木随林龄增加,郁闭度达到0.7时,可以替代控制紫茎泽兰种群。
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| 关 键 词： | 紫茎泽兰 种群 替代控制 |
AN INVESTIGATION ON THE POPULATION MOVEMENT OF Eupatorium adenophorum Spreng IN DIFFERENT ECOLOGICAL ENVIROMENT |
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| Xiong Zhi,Xie Kaili.AN INVESTIGATION ON THE POPULATION MOVEMENT OF Eupatorium adenophorum Spreng IN DIFFERENT ECOLOGICAL ENVIROMENT[J].Journal of Southwest Forestry College,1987(1). |
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| Authors: | Xiong Zhi Xie Kaili |
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| Abstract: | Eupatoriurn adenophorum Spreng. is one of the malignant weeds. It has a vigorous, procreative power and quick wide-spreading over its site with the result of a serious disadvantage to forestation, gardening and other plantations. The control of its scattering is a matter of urgent. In order to find out the measures to surpass the growth and spreading of Eupatorium adenophorum, a series of observation over its population movement under different ecological enviroment was carrying out and a study on the means of Replace-control was worked out, through which, the species of quick-growing tree being adopted, the I. P. M. method being considered sucessfully, in a word, the spreading of Eupatorium adenophorum is able to be controlled and surpassed. |
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| Keywords: | Eupatorium adenophorum Spreng population Replacing control |
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