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Guanabara bay

Reproductive biology of Cetengraulis edentulus (Cuvier, 1829), the major fishery resource in Guanabara Bay, Brazil

Reproductive biology of Cetengraulis edentulus (Cuvier, 1829), the major fishery resource in Guanabara Bay, Brazil

... Engraulid fishes, commonly known as anchovies, are widely distributed in tropical and sub-tropical waters (Mcgowan & Berry, 1983). Anchovies are recognized as an important trophic link in coastal food chains, since ...

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PROCESSING OF HIGH-RESOLUTION, SHALLOW SEISMIC PROFILES, GUANABARA BAY - RIO DE JANEIRO STATE, BRAZIL

PROCESSING OF HIGH-RESOLUTION, SHALLOW SEISMIC PROFILES, GUANABARA BAY - RIO DE JANEIRO STATE, BRAZIL

... A.P., Guanabara Bay underwent signifi- cant changes in its ...the bay had an area of 800 km 2 , relative sea level varied between 3 and 4 m above the current ...

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Bacterial Production in Guanabara Bay (Rio de Janeiro, Brazil) Evaluated by

Bacterial Production in Guanabara Bay (Rio de Janeiro, Brazil) Evaluated by

... The aim of this work was to evaluate the necessary 3 H-leucine concentration to estimate bacterial production in Guanabara Bay through saturation curves. A second aim was to collect preliminary data of ...

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Spatial distribution of pollen grains and spores in surface sediments of Guanabara Bay, Rio de Janeiro, Brazil

Spatial distribution of pollen grains and spores in surface sediments of Guanabara Bay, Rio de Janeiro, Brazil

... in Guanabara Bay, Rio de Janeiro State, 61 surface sediment samples were ...of Guanabara Bay represents the regional vegetation of this hydrographic ...the Bay, where the mangrove ...

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Geochronology and heavy metal flux to Guanabara Bay, Rio de Janeiro state: a preliminary study

Geochronology and heavy metal flux to Guanabara Bay, Rio de Janeiro state: a preliminary study

... This study examines a sediment core 7 cm in diameter and 180 cm deep collected in the north of Guanabara Bay close to a mangrove system and a protected environmental area in approximately one- meter of ...

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Superficial distribution of aromatic compounds and geomicrobiology of sediments from Suruí Mangrove, Guanabara Bay, RJ, Brazil

Superficial distribution of aromatic compounds and geomicrobiology of sediments from Suruí Mangrove, Guanabara Bay, RJ, Brazil

... into Guanabara Bay (Soares et ...from Guanabara Bay by its fringe and from Suruí and Suruí Mirim rivers its edges are also observed due to the tidal regime ...

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The contribution of heavy metal pollution derived from highway runoff to Guanabara Bay sediments – Rio de Janeiro Brazil

The contribution of heavy metal pollution derived from highway runoff to Guanabara Bay sediments – Rio de Janeiro Brazil

... around Guanabara Bay is presented in Figure 3 and these show higher concentrations when compared to the average levels found in shale and sandstone materials (Turekian and Wedepohl 1961) (Table I), and also ...

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Guanabara Bay is located in the coastal area of the Rio de Janeiro state (Lat. 22

Guanabara Bay is located in the coastal area of the Rio de Janeiro state (Lat. 22

... the Bay of Sepetiba (Coelho et ...in Guanabara Bay in about 4,200 years BP, corresponding to an exuberant vegetation of the Atlantic Forest ...

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Modern Diatom Distributions in Guanabara Bay Sediment and Oceanic Areas, Rio de Janeiro (Brazil)

Modern Diatom Distributions in Guanabara Bay Sediment and Oceanic Areas, Rio de Janeiro (Brazil)

... Some species are considered as potentially harmful but not toxic, because their blooms have been related to mortality of ilter-feeding organisms. The genus Chaetoceros has been reported in the literature to harm the ...

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REPRODUCTIVE ASPECTS OF MARINE CLADOCERANS Penilia avirostris AND Pseudevadne tergestina (CRUSTACEA, BRANCHIOPODA) IN THE OUTER PART OF GUANABARA BAY, BRAZIL

REPRODUCTIVE ASPECTS OF MARINE CLADOCERANS Penilia avirostris AND Pseudevadne tergestina (CRUSTACEA, BRANCHIOPODA) IN THE OUTER PART OF GUANABARA BAY, BRAZIL

... The objective of this study was to report on some aspects of marine cladoceran reproduction in Guanabara Bay. Samples were collected during 1985 using a conical net with 200 µm mesh. Two species were ...

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Occurrence of the three spot gourami Trichopodus trichopterus (: osphronemidae) in Guanabara Bay, southeastern Brazil

Occurrence of the three spot gourami Trichopodus trichopterus (: osphronemidae) in Guanabara Bay, southeastern Brazil

... The ichthyofauna of Guanabara Bay has not yet been properly surveyed (Bizerril & Costa, 2001). Matos & Muratori (2001) report 125 fish species in the Bay area. In Brazil, there are already ...

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Succession in Rocky Intertidal Benthic Communities in Areas with Different Pollution Levels at Guanabara Bay (RJ-Brazil)

Succession in Rocky Intertidal Benthic Communities in Areas with Different Pollution Levels at Guanabara Bay (RJ-Brazil)

... semi-enclosed coastal environment which is connected to the sea by an access 1.6 km wide (Kjerfve et al., 1997). The Bay is in a fast process of degradation. Its water quality is not uniform and some gradients can ...

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Geochemistry and mineralogy of recent sediments of Guanabara Bay (NE sector) and its major rivers - Rio de Janeiro State - Brazil

Geochemistry and mineralogy of recent sediments of Guanabara Bay (NE sector) and its major rivers - Rio de Janeiro State - Brazil

... In average, Guanabara Bay sediments have higher levels of Cu and Zn than the continental sed- iments (Table I). Therefore, the same comparison for Pb revealed that there is a minor variation in the Pb ...

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Benthic foraminifera distribution in high polluted sediments from Niterói Harbor (Guanabara Bay), Rio de Janeiro, Brazil

Benthic foraminifera distribution in high polluted sediments from Niterói Harbor (Guanabara Bay), Rio de Janeiro, Brazil

... The diversity values (Table I) can be considered low, compared with values for continental shelves (Sen Gupta and Kilbourne 1974, Gibson and Buzas 1973). Comparing these data with the pattern of diversity from other ...

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Spatial distribution of iron, copper and lead in mangrove sediments in a degradation gradient in Guanabara Bay (Rio de Janeiro State).

Spatial distribution of iron, copper and lead in mangrove sediments in a degradation gradient in Guanabara Bay (Rio de Janeiro State).

... IN GUANABARA BAY (RIO DE JANEIRO ...in Guanabara Bay: a core from a seaward site where mangrove vegetation was removed ~20 yr before sampling (MD); a core from an intermediate site with dead ...

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Fisheries and Conflicts in Guanabara Bay, Rio de Janeiro, Brazil

Fisheries and Conflicts in Guanabara Bay, Rio de Janeiro, Brazil

... at Guanabara Bay, between April 2001 and March 2002 was slightly over 19,000 tons, corresponding to a value of US$ ...the bay suggested that reasonable inferences could be made, without, necessarily ...

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The relationship between sandy beach nematodes and environmental characteristics in two Brazilian sandy beaches (Guanabara Bay, Rio de Janeiro)

The relationship between sandy beach nematodes and environmental characteristics in two Brazilian sandy beaches (Guanabara Bay, Rio de Janeiro)

... Gratitude is expressed to PETROBRAS that supported the project ‘Biomonitoring of sandy beaches of Guanabara Bay after the oil spill in January 2000’; to Prof. Vera Abud (Dept. Zoology/ UFRJ) for allowing us ...

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DISTINCTIVE SEDIMENTARY PROCESSES IN GUANABARA BAY - SE/BRAZIL, BASED ON THE ANALYSIS OF ECHO-CHARACTER (7.0 KHZ)

DISTINCTIVE SEDIMENTARY PROCESSES IN GUANABARA BAY - SE/BRAZIL, BASED ON THE ANALYSIS OF ECHO-CHARACTER (7.0 KHZ)

... the Guanabara Bay drainage basin, accounting for 25% of the organic pollution released to the bay (FEEMA, ...The bay is also the homeport to two naval ba- ses, a shipyard, and a large number ...

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Seasonal Variation in Fish Larvae at the Entrance of Guanabara Bay, Brazil

Seasonal Variation in Fish Larvae at the Entrance of Guanabara Bay, Brazil

... the bay at this period. In Guanabara Bay, most larvae collected were at preflexion and flexion stages and had low swimming ability, suggesting a pattern of passive transport at the bay ...the ...

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Distribution of selenium in marine organisms from Guanabara Bay/ RJ.

Distribution of selenium in marine organisms from Guanabara Bay/ RJ.

... DISTRIBUTION OF SELENIUM IN MARINE ORGANISMS FROM GUANABARA BAY/ RJ. The study assessed selenium concentrations in the muscle tissues and liver samples of three fish species and in the soft tissues of a ...

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