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Spreading eutrophication and changing CO2 fluxes in the tropical coastal ocean:...

In Brazil and in many other tropical countries, large urban cities and populations are still growing on the coast and coverage in terms of sewage treatments is far from desirable. Cultural eutrophication is not solely a threat for the coastal ocean; it is now acting as one of its major biogeochemical and ecological driver. Along the littoral of the state of Rio de Janeiro, semi-enclosed marine bays and lagoons ...

Impacto da aquicultura nos processos de mineralização bentica e fluxos de nutri...

Orientadora: Eunice da Costa Machado; Co-orientadora: Nilva Brandini; Monografia (graduação) - Universidade Federal do Paraná, Setor de Ciências da Terra, Centro de Estudos do Mar, Curso de Graduação em Oceanografia; A mineralização bêntica da matéria orgânica é um processo de grande importância para sistemas de baixa profundidade, tal como o estuário da Baia de Guaratuba. A liberação de nutrientes pelo sedimen...

Dinamica geoquímica do fósforo (P) nos sedimentos recentes da Baía de Guaratuba...

Orientadora: Eunice da Costa Machado; Co-orientadora: Nilva Brandini; Co-orientador: Mauricio Garcia de Camargo; Monografia (graduação) - Universidade Federal do Paraná, Setor de Ciências da Terra, Centro de Estudos do Mar, Curso de Graduação em Oceanografia; O fósforo é um nutriente essencial para a vida na Terra, sendo constantemente citado como limitante na produtividade aquática, porém o seu excesso, princi...

Avaliação da qualidade da água na Baía de Guaratuba, Paraná

Orientadora: Eunice da Costa Machado; Co-orientadora: Nilva Brandini; Monografia (graduação) - Universidade Federal do Paraná, Setor de Ciências da Terra, Centro de Estudos do Mar, Curso de Oceanografia

A large CO2 sink enhanced by eutrophication in a tropical coastal embayment (Gu...

In contrast to its small surface area, the coastal zone plays a disproportionate role in the global carbon cycle. Carbon production, transformation, emission and burial rates at the land–ocean interface are still poorly known, especially in tropical regions. 5 Surface water pCO2 and ancillary parameters were monitored during nine field campaigns between April 2013 and April 2014 in Guanabara Bay, a tropical eut...

Distributions of total, inorganic and organic phosphorus in surface and recent ...

This study addresses the distribution of total phosphorus (TP) and its inorganic (IP) and organic (OP) fractions, grain-size and organic matter of surface and recent sediments, coupled to the behavior of total and dissolved inorganic phosphorus (TP and DIP) of the water column, of the semi-pristine Guaratuba Bay estuary, SE Brazil. Surface sediment samples were taken at 43 sites spread along the estuarine gradi...

Microphytobenthic biomass on a subtropical intertidal flat of Paranaguá bay (so...

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Environmental water quality assessment in Guaratuba bay, state of Paraná, south...

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Microphytobenthic biomass on a subtropical intertidal flat of Paranaguá bay (So...