Ordination is one of importance measures to investigate the grassland vegetation communities. It can be used to analyze the ecological interaction between vegetation and the environment round the plants. This paper is mostly discussing the development of the Detrended Correspondence Analysis (DCA), Canonical Correspondence Analysis (CCA) and Detrended Canonical Correspondence Analysis (DCCA), and summarizing the using-actuality of three ordinations. And we know that DCA is a good manner to analysis the comm...
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