Associations between species and groups of sites: indices and statistical inference.

@article{DeCceres2009AssociationsBS,
  title={Associations between species and groups of sites: indices and statistical inference.},
  author={Miquel De C{\'a}ceres and Pierre Legendre},
  journal={Ecology},
  year={2009},
  volume={90 12},
  pages={
          3566-74
        }
}
Ecologists often face the task of studying the association between single species and one or several groups of sites representing habitat types, community types, or other categories. [] Key Result Correlation measures, such as the phi coefficient, are more context-dependent than indicator values but allow focusing on the preference of the species. In contrast, the two components of an indicator value index directly assess the value of the species as a bioindicator because they can be interpreted as its…

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