part of the landmark study macrodiagnostico da zona costeira e marinha do brasil(macrodiagnostic of the coastal and marine zones of brazil) published by the ministério do meio ambiente(ministry of the environment), the document on this linkexplores more in depth brazil's and rio de janeiro's coastal biodiversity.  

published by the secretaria de estado de meio ambiente e desenvolvimento sustentável estado do rio de janeiro, the paper manguezais, educar para proteger, (mangroves, educate to protect) is a comprehensive summary of this type of terrain - detailing how mangrove forests represent the most important sources for coastal food chains, making mangrove swamps one of the main factors responsible for the abundant sea population of tropical waters.