Use este identificador para citar ou linkar para este item: https://repositorio.inpa.gov.br/handle/1/19019
Título: The benthic insect fauna of the blackwater forest stream Rio Tarumã-Mirím (Manaus, Amazonas): Patterns of population dynamics and their implications for ecosystem stability
Autor: Walker, Ilse
Palavras-chave: Annual Cycle
Aquatic Ecosystem
Benthos
Emergence
Food Web
Insect
Amazonas
South America
Taruma Mirim River
Hexapoda
Insecta
Data do documento: 2002
Revista: Amazoniana
É parte de: Volume 17, Número 3-4, Pags. 471-480
Abstract: The annual pattern of emergence of aquatic insects with benthic larval stages of a small. Central Amazonian blackwater river is presented. This pattern is primarily a function of the annual inundation cycle (= "flood pulse": JUNK et al. 1989), but non-random variations within sampling-sites and -periods suggest that the organisms are choosing favourable micro-habitats. Comparison between the rates of benthic litter colonization (as reported previously; WALKER 1994, 1998) and emergence of adults shows, that grosso modo 90% of the litter-colonizing juveniles enter the aquatic foodweb, while the few percent of emerging adults maintain standing stock and biomass flow of this insect fauna. The data are discussed within the context of ecosystem stability.
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