Coastal Waters
Mostrando 25-36 de 183 artigos, teses e dissertações.
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25. Evaluation of the environmental sustainability of massive forestry fragments of the coastal plain and lower slopes of Bertioga (SP) / Avaliação da sustentabilidade ambiental dos fragmentos de maciços florestais da planície costeira e baixa encosta do município de Bertioga (SP)
The São Paulo coastal zone alternates extensive zones of great diversity of biotopes with others intensively degradated. These characteristics are observed in the municipality of Bertioga and its forest regions localized among Itaguaré and Guaratuba river basins. Due to their special characteristics these basins are denominated Bertioga System. The aim of
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 01/11/2012
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26. DinÃmica de fÃsforo em manguezais impactados por Ãguas residuÃrias no Estado do CearÃ. / Dynamics of phosphorus in mangroves impacted by the state of CearÃ.
Recent studies demonstrated the efficacy of mangrove retaining nutrients and, in particular, the ability of the mineral component of the buffer in its high soil phosphorus levels. In general, the mangroves have been considered as important sinks of nutrients due to its high capacity purification of effluents. However, depending on the geochemical conditions
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 26/06/2012
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27. Dieta do boto-cinza (Sotalia guianensis Van Benédén, 1864) (Cetacea: Delphinidae) na Baía de Sepetiba (RJ) / Diet of the guiana dolphin (Sotalia guianensis Van Benédén, 1864) (Cetacea: Delphinidae) in Sepetiba Bay (RJ)
The Guiana dolphin (Sotalia guianensis, Van Benédén, 1864) is a small cetacean of the Delphinidae family. The species occurs on coastal waters from South and Central America, in estuarine environments, bays and protected areas. This study aims to characterize Guiana dolphin feeding habits and to investigate variation in diet related to sex age class and se
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 27/02/2012
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28. Composition and spatial distribution of subtidal decapoda on the "Reef Coast", northeastern Brazil, evaluated through a low-impact visual census technique
This study investigated the composition and spatial distribution of the sublittoral decapods on the reefs of Porto de Galinhas Beach, southern coast of Pernambuco, Brazil, through the Underwater Visual Census technique. Data were collected monthly, at night during full-moon tides in low tide periods from June 2004 to May 2005, using SCUBA diving and a visual
Nauplius. Publicado em: 2012-12
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29. Cyanobacteria from coastal lagoons of Southern Brazil: coccoid organisms
Considering the great ecological importance of the cyanobacteria and the need for more detailed information about these organisms in Brazilian waters, this paper provides taxonomic information about the unicellular cyanobacteria flora in lagoon systems along the coastal plains of Rio Grande do Sul State. Sampling was performed in different freshwater bodies
Braz. J. Bot.. Publicado em: 2012
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30. Biogeografia e sistemática dos peixes aulopiformes / Biogeography and systematics of aulopiformes fishes
The Aulopiformes are marine fishes ranging from Early Cretaceous to Recent. Fossil taxa are found in sediments from South and North America, Europe, Asia and Africa. The living forms can be found from shallow coastal estuaries, to the abyssal depths, exceeding 3,000 m. Interrelationships among this group are subject of many studies. The aim of these studies
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 08/04/2011
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31. Distribution of Vibrio alginolyticus-like species in Shenzhen coastal waters, China
We investigated the distribution of vibrios in Shenzhen coastal waters in order to obtain valuable information for the aquaculture industry and a health warning system. Quantities of vibrios from surface waters ranged from 0 to 4.40×10(4) CFUs mL-1 in April (spring), while from 0 to 2.57×10³ CFUs mL-1 in September (autumn); the abundance of V. alginolytic
Brazilian Journal of Microbiology. Publicado em: 2011-09
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32. Search for cytotoxic agents in multiple Laurencia complex seaweed species (Ceramiales, Rhodophyta) harvested from the Atlantic Ocean with emphasis on the Brazilian State of Espírito Santo
The development of new anti-cancer drugs of algal origin represents one of the least explored frontiers in medicinal chemistry. In this regard, the diversity of micro- and macroalgae found in Brazilian coastal waters can be viewed as a largely untapped natural resource. In this report, we describe a comparative study on the cytotoxic properties of extracts o
Revista Brasileira de Farmacognosia. Publicado em: 22/04/2011
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33. Levantamento dos níveis de radioatividade natural em águas do alto Vale do Ribeira à planície costeira do litoral sul do Estado de São Paulo / Assessment of natural radioctivity levels in waters from Higher Ribeira Valley until the southern Sao Paulo State coastal plain
The complex exchange of fluvial, subsurface and seawater within a coastal area directly affects global biogeochemical cycles and the application of isotopic tracers, mainly natural radionuclides from U and Th series, is a powerful tool to track sources and sinks of trace elements and nutrients to this systems. The unique Ra signature applied to quantify the
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 22/11/2010
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34. Consequências da barragem eclusa do Canal São Gonçalo para a ictiofauna do sistema Patos-Mirim / Consequences of the São Gonçalo channel s dam-lock to the ichthyofauna of the Patos-Mirim system
The present study aimed to investigate the consequences of the São Gonçalo channel dam-lock in the structure of the marine, estuarine and freshwater fish assemblies that inhabit the Patos-Mirim lagoon system. The study area was the São Gonçalo channel that connects the Patos Lagoon with the Mirim Lagoon. Sampling took place monthly during years 2005 (12
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 20/08/2010
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35. The history of the introduction of the giant river prawn, Macrobrachium cf. rosenbergii (Decapoda, Palaemonidae), in Brazil: new insights from molecular data
The giant river prawn, Macrobrachium cf. rosenbergii, is one of the most cultivated freshwater prawns in the world and has been introduced into more than 40 countries. In some countries, this prawn is considered an invasive species that requires close monitoring. Recent changes in the taxonomy of this species (separation of M. rosenbergii and M. dacqueti) re
Genetics and Molecular Biology. Publicado em: 22/12/2010
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36. Individual biovolume of some dominant copepod species in coastal waters off Buenos Aires Province, Argentine Sea
Brazilian Journal of Oceanography. Publicado em: 2010-06