Can species guilds act as hubs for energy transfer in macrophyte meadows of Amazonian floodplain lakes?
ANA CRISTINA B. OLIVEIRA,
CARLOS E.C. FREITAS,
MARC POUILLY
et al.
Abstract:Aquatic macrophytes are the main autochthonous component of primary production in the Amazon Basin. Floating meadows of these plants support habitats with highly diverse animal communities. Fishes inhabiting these habitats have been assumed to use a broad range of food items and compose a particular food web. We employed carbon (δ 13 C) and nitrogen (δ 15 N) stable isotope analysis to draw the trophic structure of these habitats and to trace the energy flow by its trophic levels. Fishes and other animals from … Show more
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