Effectiveness of the river environment classification in the Auckland Region

Liza Inglis, Ian K G Boothroyd, Gary Brierley*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)


The River Environment Classification (REC) provides a GIS-based tool to differentiate between biophysical attributes of river systems. This study tests the effectiveness of the REC as a tool to differentiate physical habitat and macroinvertebrate assemblages between four classes of stream in the Auckland region. Results indicate significant within-class variability in physical habitat and macroinvertebrate assemblages, with considerable overlap among the four classes. Biophysically meaningful stream classes cannot be identified from GIS-derived data applied in this research. Field analyses of physical habitat (i.e. geomorphic river condition) are required as a supplementary tool to interpret ecological relationships for differing stream types.

Original languageEnglish
Pages (from-to)181-193
Number of pages13
JournalNew Zealand Geographer
Issue number3
Publication statusPublished - 2008
Externally publishedYes


  • Classification
  • Geomorphology
  • Habitat
  • Macroinvertebrates
  • Rivers


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