Macroinvertebrate food web structure in a floodplain lake of the Bolivian Amazon

  title={Macroinvertebrate food web structure in a floodplain lake of the Bolivian Amazon},
  author={Carlos Israel Molina and François-Marie Gibon and T. Oberdorff and Eduardo Dominguez and Julio Pinto and Ruben R. Marin and M. E. Roulet},
Two stable isotopes δ13C and δ15N were used to identify the energy sources and trophic relationships of the main freshwater macroinvertebrates in a floodplain lake of the Beni River (Bolivian Amazonia). Four energy sources (seston, bottom sediment, periphyton, and aquatic macrophytes) and macroinvertebrate communities were collected during three periods of the river hydrological cycle. Macroinvertebrates showed greater temporal variation in isotope values than their food sources. Six trophic… CONTINUE READING
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