Name: Lorena Bonno Bissoli
Type: MSc dissertation
Publication date: 10/10/2016

Namesort descending Role
Angelo Fraga Bernardino Advisor *

Examining board:

Namesort descending Role
Agnaldo Silva Martins Internal Alternate *
Angelo Fraga Bernardino Advisor *
Jean-Christophe Joyeux Internal Examiner *
Renato David Ghisolfi Internal Examiner *

Summary: An important parameter for the study of ecosystem dynamics is the production of benthic populations. The production is the way by which the energy becomes available to be transmitted between trophic levels in the ecosystem, and is a quantitative measure of the population function in the ecosystem, often used to assess the energy flow, cycling of organic matter and interactions in the food chain.
Different factors can affect the distribution of benthic communities in estuaries, such as salinity, sediment composition, presence of vegetation, and others. Benthic macrofauna can present spatial variation at different scales within estuary and between estuaries. The aim of this study is to evaluate the spatial variability scales of secondary production, biomass and structure of macrofauna in vegetated (mangroves) and unvegetated habitats (tidal flat) in the estuaries of Benevente, Vitória Bay and Piraquê-Açu, Espírito Santo. The quantification of secondary production of macrofauna in these estuaries will be important to understand the energy dynamics of the ecosystem.

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