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作 者:谢振财 崔玉涛[1] 杨军元[1] 刘长海[1] 吴慧书
出 处:《吉林林业科技》2015年第4期17-18,62,共3页Journal of Jilin Forestry Science and Technology
摘 要:对北华大学东校区火炬树生长状况进行跟踪调查,结果表明:仅仅两年时间,火炬树冠下植物盖度从45%~49%下降到20%,下降了1.25~1.45倍,花坛内已经没有灌木树种,仅生长部分草本植物;而火炬树的植株在不断增加,从最初的20株增加到47株,增加了1.35倍。该树种的繁殖和适应能力极强,对其他本地树种及草本植物生存构成生态威胁;且多数学生对火炬树分泌物有过敏反应。Rhus typhina which were located in east campus of Beihua university were investigated. The result showed that the crown plant cover degree of Rhus typhina decreased from 45% ~ 49% to 20%. It decreased by 1.25 ~ 1.45 times. There were no shrub species in flower bed. It only had part of herbaceous plant. The plant of Rhus typhina increased con- tinuously from 20 to 47. It increased by 1.35 times. It had strong breed and adaptive capacity. It formed ecology threaten to other local species and herbaceous plant survival. Furthermore, most of students had anaphylactic reaction to Rhus typhi- na exudates.
分 类 号:S722.7[农业科学—林木遗传育种]
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