003390000a2200109000450024500730000065000150007365000260008804100130011470000230012710000220015077300570017210aCorrespondence analysis of species by enviromental variable matrices14aEcología14aVariables ambientales0 aInglés1 aGreig-Smith, Peter1 aMontaña, Carlos1 tJournal of Vegetation Science3263h1q453-460d1990