常見例句The TWINSPAN classification and DCA ordination were employed for the quantitative analysis of the shrub layer and herbage layer under different stands. 利用雙向指示種分析法(TWINSPAN)和除趨勢對應(yīng)分析(DCA)對昆崳山不同林分類型下的灌木層和草本層進(jìn)行了數(shù)量生態(tài)學(xué)分析.In addition, a comparison of the results by DCA and TWINSPAN and by traditional classification was made in this paper. 此外,本文還對長白山高山凍原植物群落的TWINSPAN和DCA分類結(jié)果與經(jīng)典分類方法對其分類的結(jié)果進(jìn)行了比較。Five vegetation groups were identified after the application of TWINSPAN and DCA programs. 在運(yùn)用TWINSPAN及DCA電腦程式后鑑別出五種植群。Tab.2 The results of TWINSPAN classification and DCA ordination of plant communities observed in 1984. 植物物群落類型分類結(jié)果(樣地號)排序結(jié)果(樣地號)The TWINSPAN and DCA programs are validable to the quantitative classification and ordination of subtropical evergreen broad-leaved forest. 說明TWINSPAN和DCA對中國亞熱帶常綠闊葉林的數(shù)量分類和排序是有效的。The impact of tourism activities on subalpine meadow on the south top of Wutai Mountain was analyzed by TWINSPAN and DCA in the paper. 摘要本文利用TWINSPAN和DCA對五臺山南臺旅游活動對山地草甸的影響進(jìn)行了分析。 返回 TWINSPAN