Dr. Mike Palmer, an Associate Professor of Botany at Oklahoma State University, put together this site as an instructional resource for a graduate-level course. Ordination, which means, literally, "the ordering of a set of data points with respect to one or more axes," is often used to generate hypotheses about the relationship between species composition and the underlying environmental gradients at a given location. While ordination is an advanced technique used mainly by experts, this site does an outstanding job of informing the reader without alienating those with less expertise. Viewers are well-supplied with a newly-updated, hyperlinked glossary; numerous links to software suppliers and other ordination pages; several colorful illustrations; and thorough explanations of ordination methods and related topics.
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