Las Podostemaceae como hábitat para los macroinvertebrados en arroyos de Misiones (Argentina)
AUTOR(ES)
Zambiasio, Violeta A.
FONTE
Iheringia, Sér. Zool.
DATA DE PUBLICAÇÃO
05/08/2019
RESUMO
ABSTRACT Podostemaceae are important components of the trophic networks of rheophilic environments but their importance as habitats for invertebrates is little known. In this study, the abundance and taxa richness of macroinvertebrate assemblages associated with Podostemum distichum and Podostemum muelleri (Malpighiales: Podostemaceae) in two low order streams were analyzed across seasons. Mean macroinvertebrate abundance differed significantly among seasons but did not differ between streams. Nine orders of macroinvertebrates were recorded in both streams, comprising 14 families. Non- metric multidimensional scaling (NMDS) reflected some differences in the seasonal pattern, too. The coefficient of similarity and the complementarity indicate that both streams were very similar in terms of the composition of the macroinvertebrate families. The dominant Podostemceae species in each stream constitute intermediate diversity habitats for macroinvertebrates according to the diversity index used.
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