摘要
通过对短轮伐期尾叶桉人工林皆伐作业前后林地植被变化的调查分析,结果表明:皆伐后,由于林地生境条件改变,使林地植物群落组成发生了变化,有一部分植物消失(消失种)、一部分植物增加(侵入种),大部分植物保留下来(保留种)。灌木层种数减少,草本层种数增加。为减小皆伐对林地生态环境的负面影响(主要是植被和水土流失),有利于植被的尽快恢复,建议皆伐后迹地清理方式采用沿等高线分布的带堆法,避免采用火烧法。
Through investigating and analyzing the change of forest land vegetation of artificial forests of Eucalyptus of short period of cutting in turn before and after clear cutting, the restdts showed that there were some changes in the composition of forest land plant community because of changing of forest land ecological environment after clear cutting, Some species invaded and other species declined, but most of species survived after clear cutting. The plant species in bush layer reduced, while the herbaceous layer plant species increased. The effect of clear cutting on bush layer plant is heavier than the herbaceous layer plant. Therefore it suggested that belt - shape piling - up dispersed along contour shotdd be adopted and burning shotdd be avoided in slash clearing ways to reduce the negative influence of clearing cutting on forest land ecological environment （ mainly including vegetation and soil erosion ） and make forest land vegetation recover as soon as possible after clear cutting.
出处
《森林工程》
2007年第3期1-3,共3页
Forest Engineering
基金
福建省教育厅科学基金项目(JA03057)
福建省自然科学基金项目(E03001)
关键词
皆伐
植被
尾叶桉
人工林
clear cutting
vegetation
eucalyptus citriodora
plantation forests
