Assessing Biological Orders of river sites and biological structures of watercourses using ecological traits of aquatic insects

摘要

A new method is proposed to assess Biological Orders (BO) of river sites and to compare biological structures of watercourses using two general ecological traits (typological preferendum and typological amplitude) of 187 species of aquatic insects (Plecoptera, Trichoptera, Ephemeroptera) specified in a previous database (Verneaux et al., 2003).