Chapter 11. Large Data Sets: Wetland Patterns

  1. Otto Wildi

Published Online: 14 JUL 2010

DOI: 10.1002/9780470664971.ch11

Data Analysis in Vegetation Ecology

Data Analysis in Vegetation Ecology

How to Cite

Wildi, O. (2010) Large Data Sets: Wetland Patterns, in Data Analysis in Vegetation Ecology, John Wiley & Sons, Ltd, Chichester, UK. doi: 10.1002/9780470664971.ch11

Author Information

  1. WSL Swiss Federal Institute for Forest, Snow and Landscape Research, Birmensdorf, Switzerland

Publication History

  1. Published Online: 14 JUL 2010
  2. Published Print: 9 APR 2010

ISBN Information

Print ISBN: 9780470661024

Online ISBN: 9780470664971



  • large data sets - wetland patterns;
  • phytosociology revisited - data set encompassing large range of vegetation types;
  • phytosociological classification - by Braun-Blanquet (1932);
  • Swiss database, full set of published species and classification requiring revision;
  • RANK algorithm;
  • wetland sample ordination - in indicator space using correspondence analysis;
  • synoptic tables, visualizing vegetation patterns using field data directly;
  • within-alliances variation and number of relevées per alliance;
  • Swiss mire-monitoring project


This chapter contains sections titled:

  • Large data sets differ

  • Phytosociology revisited

  • Suppressing outliers

  • Replacing species with new attributes

  • Large synoptic tables?