[PDF] Top 20 Mercury and methylmercury in sediment cores from the Tagus estuary
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Mercury and methylmercury in sediment cores from the Tagus estuary
... of the traditionally defined dissolved Hg fraction (< 0.45 µm) in freshwater, estuarine and marine environments (Ullrich et ...2001). Mercury remobilization may also occur from ... See full document
112
Diversity of aerobic anoxygenic phototrophic bacteria in microphytobenthic biofils from Tagus estuary
... that in contrast to the related purple photosynthetic bacteria are unable to use the light for anaerobic growth and require oxygen to respire organic compounds, which are essential for ... See full document
58
A numerical study of local variations in tidal regime of Tagus estuary, Portugal
... are in agreement with bibliography that state that this estuary is dominated by the ebb, which means that rising tides duration exceeds those of falling tides, causing a tendency for stronger ebb ... See full document
15
Ecology of the juveniles of the soles, Solea solea (Linnaeus, 1758) and Solea senegalensis Kaup, 1858, in the Tagus estuary
... Abstract: The soles Solea solea (Linnaeus, 1758) and Solea senegalensis Kaup 1858, are marine flatfish that use coastal and estuarine nursery grounds, which usually present high food availability, ... See full document
229
Hydrodynamic effects in Ria de Aveiro and Tagus estuary salt marshes
... Concerning the residual circulation Dias (2001) and Lopes and Dias (2007), through the application of a hydrodynamic model, conclude that residual currents and transport are stronger at ... See full document
95
Metal biogeochemical cycling in tagus estuary salt marshes: from halophytes to microbes
... of the plant material. A second stage consisting in microbial decomposition is slower and ends in a refractory phase (third stage) where the decomposition rate is almost null ... See full document
67
Distribution and partitioning of heavy metals in estuarine sediment cores and implications for the use of sediment quality standards
... on the southern shore of the estuary and comprises 44 hectares of reclaimed salt ...viable and, as a result, in 1995 Orplands Farm was selected for the first full-scale ... See full document
10
Modeling the influence of rutrophication and redox conditions on mercury cycling at the sediment-water interface in the Berre Lagoon
... Hg in the aquatic environment is complex, involving many photochemical, thermochemical and biochemical reactions, making it difficult to predict its behavior and fate in the ... See full document
15
Quanti fication of methylmercury and geochemistry of mercury in sediments from a contaminated area of Descoberto (MG), Brazil
... buried in a rural area of Descoberto city, Brazil. The origin of the Hg was a gold mining explotation plant established nearly one century ...conducted in order to assess the ... See full document
12
Metals and As content in sediments and Manila clam Ruditapes philippinarum in the Tagus estuary (Portugal): impacts and risk for human consumption
... The Tagus estuary is one of the largest estuaries in Europe, covering an area of 320 km 2 : 40% of the estuary is composed of intertidal mud flats, and its eastern ... See full document
12
Clams from Tagus estuary : microbiological, physiological and chemical responses to depuration, transpot and environmental stress
... Cd and Hg as well as for Cu, Zn, in RP from Ria de Aveiro (northwest Atlantic coast of Portugal) but similar levels for ...limits in European Union for seafood have been established so ... See full document
211
Wintering and migrating populations of dunlin calidris alpina using the tagus estuary : foraging ecology, behaviour and distribution
... During the annual cycle, migratory waders may face strikingly different feeding conditions as they move between breeding areas and wintering ...behaviour and diet to benefit from peaks of prey ... See full document
132
Microbial community composition and mercury cycling in sediments of tagus estuary
... among the metals with highest toxicological importance and is widespread in the human environment (Domingo, 1994; Nichols et ...results from degassing of earth’s crust and ... See full document
279
Absolute chronology of the beaker phenomenon North of the Tagus estuary : demographic and social implications
... out in two consecutive years by the same team (Zbyszewski and Ferreira 1958, 1959), there were deficiencies in the records and in the recov- ery of the ... See full document
20
Total mercury distribution and its association with diferent geochemical supports in marine sediment from the brazilian continental margin: Campos Basin.
... 14 O principal objetivo do presente estudo foi estabelecer a dis- tribuição de mercúrio total nos sedimentos marinhos profundos (750-1.950 m de lâmina d’água) da Margem [r] ... See full document
8
Circulation and suspended sediment dynamics in a tropical estuary under different morphological setting
... to the interaction of its forcing conditions with the local ...morphology. In this study we assess the implications of the opening of a new inlet on the hydrodynamics and ... See full document
12
Consistently dated Atlantic sediment cores over the last 40 thousand years
... for cores EW9209-1JPC and V29-202 were funded by NSF OCE grants to ...ES and AV acknowledge FCT funding support through project ...Garlan and P. Guyomard for having given us access to ... See full document
12
Cytotoxicity and genotoxicity of low doses of mercury chloride and methylmercury chloride on human lymphocytes in vitro
... obtained from 10 healthy nonsmokers, 5 females and 5 males, aged 18-30 years, with no recent history of exposure to ...mutagens. The donors gave informed written consent to participate in ... See full document
7
Mercury and methylmercury in carapace of the marine turtle Caretta caretta, in northeastern Brazil and its potential for environmental monitoring
... poisonous and the toxicity varies according to the intake path, exposure amount, and individual susceptibility (hong et ...2012). The main target for methyl- hg toxicity is the ... See full document
10
Age and growth of a highly successful invasive species: the Manila clam Ruditapes philippinarum (Adams & Reeve, 1850) in the Tagus Estuary (Portugal)
... seem the main factor for the colonisation by ...prevent the naturalisation in British waters (Jensen et ...2015), and it reproduced successfully and rapidly naturalised in ... See full document
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