...而捕食者密度在4-6级河流较高,生物量则表现为1-3级河流较高。基于大型底栖动物的物种组成和物种相对丰度,应用双向指示种分析(TWINSPAN)和无偏对应分析(DCA),对香溪河大型底栖动物的分布研究表明,上述样点基本按照所处的生境类型被分为4个主要类群。
基于96个网页-相关网页
...以拉萨河谷区域的植物群落为研究对象,设置30个样地、90个植物样方,运用双向指示种分析法(TWINSPAN)进行群落的分类分析,运用除趋势对应分析法(DCA)进行群落的排序分析,运用广义可加模型(GAM)进行转换后的物种丰富度(TSR)与海拔、覆...
基于70个网页-相关网页
TWINSPAN analysis TWINSPAN分析
TWINSPAN classification TWINSPAN分类
TWINSPAN classification software TWINSPAN植被分类
TWINSPAN quantitative classification TWINSPAN数量分类
The scores of ordination were then used for a two way indicator species analysis (TWINSPAN) to the species.
然后利用排序得分对物种进行二元指示种（TWINSPAN）分类。
The results showed that the plant community was classified into tree community and shrub community by TWINSPAN.
研究结果表明：TWINSPAN将大花黄牡丹生境地群落划分为乔木群落和灌木群落。
The impact of tourism activities on subalpine meadow on the south top of Wutai Mountain was analyzed by TWINSPAN and DCA in the paper.
本文利用TWINSPAN和DCA对五台山南台旅游活动对山地草甸的影响进行了分析。
应用推荐