Comparison of ordinations and classifications of vegetation data

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

The methodology of comparing the results of multivariate community studies (resemblance matrices, ordinations, hierarchical and nonhierarchical classifications) is reviewed from two viewpoints: basic strategy and measure employed. The basic strategy is determined by 7 choices concerning the type of results, consensus methods or resemblance measures, hypothesis testing or exploratory analysis, lack or presence of reference basis, data set congruence or algorithmic effects, number of factors responsible for differences among results, and the number of properties considered in the comparison. Included is a brief summary of methods applicable to vegetation studies. Examples from a grassland survey demonstrate the utility of comparisons in evaluating the effects of plot size, data type, standardization, taxonomic level and number of species on classifications and ordinations.

Original languageEnglish
Pages (from-to)111-128
Number of pages18
JournalVegetatio
Volume83
Issue number1-2
DOIs
Publication statusPublished - Oct 1 1989

Keywords

  • Consensus method
  • Dendrogram
  • Matrix correlation
  • Multiple comparison
  • Partition
  • Procrustes analysis
  • Resemblance matrix

ASJC Scopus subject areas

  • Plant Science

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