River restoration , habitat heterogeneity and biodiversity : a failure of theory or practice ?

  title={River restoration , habitat heterogeneity and biodiversity : a failure of theory or practice ?},
  author={Margaret A Palmer and Holly L. Menninger and Emily S Bernhardt},
1. Stream ecosystems are increasingly impacted by multiple stressors that lead to a loss of sensitive species and an overall reduction in diversity. A dominant paradigm in ecological restoration is that increasing habitat heterogeneity (HH) promotes restoration of biodiversity. This paradigm is reflected in stream restoration projects through the common practice of re-configuring channels to add meanders and adding physical structures such as boulders and artificial riffles to restore… CONTINUE READING
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