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Use of a species-rich and degraded tropical estuary by Elasmobranchs

Use of a species-rich and degraded tropical estuary by Elasmobranchs

... (lower estuary) to the innermost ar- eas (upper estuary) of Guanabara Bay a natural and an- thropic hydrological gradient exists, which is driven by discharge from domestic and industrial ...

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Mercury distribution in Douro estuary (Portugal)

Mercury distribution in Douro estuary (Portugal)

... Seine and Loire estuaries (Coquery et al., 1997) and three estu- aries in Texas (Stordal et ...Oporto, and although values were lower in April 1998 (<20 ng dm 3 ), concentrations still remained ...

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Liver oxidative stress of the grey mullet Mugil cephalus presents seasonal variations in Ennore estuary

Liver oxidative stress of the grey mullet Mugil cephalus presents seasonal variations in Ennore estuary

... programs and when sampling is done at different periods of the ...salinity, and suspended particulate matter in the Western Scheldt estu- ary have been reported by Zwolsman ...Ennore estuary (10). ...

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Zooplankton community dynamics in relation to the seasonal cycle and nutrient inputs in an urban tropical estuary in Brazil

Zooplankton community dynamics in relation to the seasonal cycle and nutrient inputs in an urban tropical estuary in Brazil

... vectors and samples in the Sergipe River estuary in July 2001 (J) and February 2002 (F); Axis 1 and 2 biplot showing results of CCA ...(Du) and night ...

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The legacy of man-made organic compounds in surface sediments of Pina Sound and Suape Estuary, northeastern Brazil

The legacy of man-made organic compounds in surface sediments of Pina Sound and Suape Estuary, northeastern Brazil

... (PCBs) and organochlo- rine pesticides (OCPs) are man-made organic chem- icals that have adverse effects on aquatic organisms, sometimes altering ecosystem functioning with po- tential consequences for the coastal ...

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Anthropogenic sources and distribution of phosphorus in sediments from the Jaguaribe River estuary, NE, Brazil

Anthropogenic sources and distribution of phosphorus in sediments from the Jaguaribe River estuary, NE, Brazil

... Jaguaribe estuary between 2001 and 2006, relative to the other anthropogenic P ...River estuary makes shrimp farm effluents more important in terms of the total load of P to the estuary ...

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PHYTOPLANKTON NYCTEMERAL VARIATION AT A TROPICAL RIVER ESTUARY (ITAMARACÁ – PERNAMBUCO – BRAZIL)

PHYTOPLANKTON NYCTEMERAL VARIATION AT A TROPICAL RIVER ESTUARY (ITAMARACÁ – PERNAMBUCO – BRAZIL)

... diatoms and phytoflagellates leads to a low species diversity, a common fact in ...bodies, and also between those limited by ...density and decrea- sing the ...studied estuary are an answer to ...

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Seasonal composition, abundance and biomass of the subestuarine fish assemblage in Solís Chico (Río de la Plata estuary, Uruguay)

Seasonal composition, abundance and biomass of the subestuarine fish assemblage in Solís Chico (Río de la Plata estuary, Uruguay)

... occurrence and abundance during autumn. Spring and summer are the seasons that present the highest abundance of fish in temperate estuaries (Potter et ...Selleslagh and Amara, 2008; Bruno et ...

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Measuring hydrodynamics and sediment transport processes in the Dee Estuary

Measuring hydrodynamics and sediment transport processes in the Dee Estuary

... monitoring and prediction in the marine environment provides information that may allow sustainable development of coastal and offshore ...years, and in particular during 2008, in the Dee ...areas ...

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Guadiana estuary: present state, past evolution and prospects for the future

Guadiana estuary: present state, past evolution and prospects for the future

... Age and the Roman period (3000-1500 yrs before present), when higher than previous levels of metal pollution were ...Guadiana estuary as a vast swampy salt marsh area, drained by several channels used for ...

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HYDRODYNAMICS AND PARTICULATE SUSPENDED MATTER TRANSPORT IN A SHALLOW AND HIGHLY URBANIZED ESTUARY: THE COCÓ ESTUARY, FORTALEZA, BRAZIL

HYDRODYNAMICS AND PARTICULATE SUSPENDED MATTER TRANSPORT IN A SHALLOW AND HIGHLY URBANIZED ESTUARY: THE COCÓ ESTUARY, FORTALEZA, BRAZIL

... E and the circulation pa- rameter given by C = u S /¯u, where u S is the surface cur- rent velocity and ¯u is the depth averaged velocity, both averaged over a tidal cycle, is possible to classify the ...

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Seasonal stratification and property distributions in a tropical estuary (Cochin estuary, west coast, India)

Seasonal stratification and property distributions in a tropical estuary (Cochin estuary, west coast, India)

... flow. The diurnal inequality of the neap phase contributed well to the flushing period (12 h) as when compared with the semi-diurnal spring phase (9 h 30 min). The time dependent nature of salt wedge has also been ...

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Abundance and spatial-temporal distribution of Macrobrachium surinamicum Holthuis, 1948 (Palaemonidae) in the Amazon estuary, north of Brazil

Abundance and spatial-temporal distribution of Macrobrachium surinamicum Holthuis, 1948 (Palaemonidae) in the Amazon estuary, north of Brazil

... seas and varies considerably in intertidal zones, estuaries, lagoons and similar biotypes ( Signoret and Brailovki, ...Guajará estuary, this factor ranged from zero to eight, where the highest ...

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Microbial community composition and mercury cycling in sediments of tagus estuary

Microbial community composition and mercury cycling in sediments of tagus estuary

... Tagus Estuary. MeHg is neurotoxic and its concentration in aquatic systems is dependent upon the relative efficiency of reduction, methylation, and demethylation processes, which are mediated ...

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Benthic Bacillariophyta of the Paripe River estuary in Pernambuco state, Brazil

Benthic Bacillariophyta of the Paripe River estuary in Pernambuco state, Brazil

... the estuary sediment in the Pernambuco State, based on 32 ...period) and from April through July 2000 (rainy period) during four pre-established sampling ...lies and 31 specific and ...

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Characterization of cytotoxicity and genotoxicity of sediments from a potentially contaminated estuary

Characterization of cytotoxicity and genotoxicity of sediments from a potentially contaminated estuary

... Sado Estuary (W Portugal) is affected by various sources of pollution, associated with the existence of an urban center, heavy-industry, mining activities and ...the estuary sediments, namely metals, ...

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Present dynamics of the Guadiana estuary

Present dynamics of the Guadiana estuary

... the estuary between spring and neap tides (Figure ...large and produce boundary turbulences of significant ...The estuary is classified as well-mixed under these conditions (see Box ...surface ...

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450 Research in maritime archaeology in Portugal: A view of the Past and Present

450 Research in maritime archaeology in Portugal: A view of the Past and Present

... sea and of a cultural heritage spawning four ...Portugal and their contribution towards Portuguese history and maritime history in ...river and estuary research, ship’s studies ...

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Present dynamics of the Guadiana estuary

Present dynamics of the Guadiana estuary

... Delminda Moura, Ana Gomes, Isabel Mendes & Jaime Aníbal. CiMa[r] ...

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Guadiana Estuary

Guadiana Estuary

... b - ICN facilities in Sto André. César Andrade and Maria Conceição Freitas.. Regiona arve present diana Estuar Hercynian posed of sh aceous form limestones iclastic sedi n started to er[r] ...

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