[PDF] Top 20 Metals and acid volatile sulfide in sediment cores from the Sergipe River Estuary, Northeast, Brazil
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Metals and acid volatile sulfide in sediment cores from the Sergipe River Estuary, Northeast, Brazil
... Foram estudados o sulfeto volatilizado em meio ácido (AVS), os metais simultaneamente extraídos (SEM) e os metais em sítios de sedimentos do Estuário do Rio Sergipe, Brasil. As concentrações de AVS e SEM foram, em ... See full document
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Characterization of dissolved organic matter in the Piauí river estuary, Northeast Brazil
... accompany the evolution of DOM during the mixing of fluvial and marine waters in the Piauí River estuary, which is a tropical estuary situated in the ... See full document
10
Regional geochemical baselines and controlling factors for trace metals in sediments from the Poxim River, Northeast Brazil
... Poxim river hydrographic sub-basin comprises four freshwater rivers, Poxim-Açu, Poxim- Mirim, Poxim and Pitanga, and is located in the East of Sergipe State, Northeast of ... See full document
9
Soil loss as a desertification risk indicator: mapping and simulation in the Salitre River Sub-Basin, Northeast Brazil
... on the above, this work aimed to identify LEFs and estimating the volume of soil loss due to linear erosion occurring on the slopes near the middle course of the Salitre ...of ... See full document
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Evaluation of trace metal levels in surface sediments of the Sergipe River Hydrographic Basin, Northeast Brazil
... Fe and Al were investigated in surface sediments collected at 19 sites in the Sergipe River Hydrographic Basin of Northeast ...(EF) and geoaccumulation indices (I ... See full document
11
Distributions of trace metals in sediment cores from a hypertrophic reservoir in northeast Brazil
... Pb and Zn were measured in two sediment cores obtained from the Macela Reservoir in Northeast ...both the cores and the sections ... See full document
10
The Family (Mollusca: Bivalvia) from North And Northeast Brazil
... identify the species of the family Glycymerididae deposited at the Malacological Collection ...Matthews”, from Instituto de Ciências do Mar (Brazil), collected along the coasts ... See full document
8
Practices and obstetric interventions in women from a state in the Northeast of Brazil
... If the number of puerperae was reached before the end of that period, a random number limiting the maxi- mum daily number of interviewees would be drawn up so as to ensure that all 7 scheduled days ... See full document
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SPATIAL AND TEMPORAL VARIABILITY OF HYDROGRAPHIC PARAMETERS MEASURED IN THE ESTUARY OF THE JAGUARIBE RIVER (SEMI-ARID REGION, NORTHEAST, BRAZIL)
... The data related to chlorophyll-a at Stations 01 and 02 did not present significant spatial and temporal variations in.. Figure 10 – Average values integrated along the water column at S[r] ... See full document
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New records of amphoroid diatoms (Bacillariophyceae) from Cachoeira River, Northeast Brazil
... Specimens from this study were just slightly smaller than those showed by Hustedt (1949) and Danielidis and Mann (2003) but agree with specimens identified as ...longer and wider valves of A. ... See full document
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Metal fractionation in sediments of the Sergipe River, northeast, Brazil
... (F1) and reducible (F2) fractions were generally the smallest, and the oxidizable (F3) and residual (R) fractions the most ...seen in Figure 1, which illustrates ... See full document
9
PETROPHYSICAL ROCK TYPING OF COQUINAS FROM THE MORRO DO CHAVES FORMATION, SERGIPE-ALAGOAS BASIN (NORTHEAST BRAZIL)
... interparticle and fractured porosities. The term vuggy porosity is synonymous with macropore for the purpose of this ...of in- terparticle porosity for carbonates takes a very comprehensive ... See full document
13
The role of acid volatile sulfide in the control of potential metal bioavailability in contaminated sediments from a tropical estuary, southeast Brazil.
... OF ACID VOLATILE SULFIDE IN THE CONTROL OF POTENTIAL METAL BIOAVAILABILITY IN CONTAMINATED SEDIMENTS FROM A TROPICAL ESTUARY, SOUTHEAST ...of acid ... See full document
8
Habitats of the Guadiana River estuary
... increases, and the pH of the sediment, coarse sediment and temperature, which tend to decrease as elevation ...increases. The salinity gradient of the ... See full document
19
The concentrations of heavy metals and the incidence of micronucleated erythrocytes and liver EROD activity in two edible fish from the Paraíba do Sul river basin in Brazil
... Data in this study were derived from samples of edible fish collected in the dry and wet seasons of ...of the contamination of PSR fish meat by a diverse range of industrial ... See full document
5
Distribution and ecotoxicology of bioavailable metals and As in surface sediments of Paraguaçu estuary, Todos os Santos Bay, Brazil.
... The sediment gathering process happened on the 18th of July of 2013, during the rainy season on the ...Before the gathering survey, satellite images and maps were analyzed ... See full document
12
Seasonal study of concentration of heavy metals in waters from lower São Francisco River basin, Brazil
... Pb and the other elements, which leads us to confirm the inexistence of heavy mineral residues, which have other metals in their ...Fe and Cr and nickel can also be ... See full document
8
Ectoparasites community in Satanoperca jurupari (Cichlidae) from the Jari River, a tributary from Amazon River in Northern Brazil
... of the most species-rich and widespread families of fish distributed across the Americas, Africa, and Asia, with around 1700 valid species (VANHOVE et ...distribution in the ... See full document
7
Trace metals and benthic macrofauna distributions in Camamu Bay, Brazil: Sediment quality prior oil and gas exploration
... bench and stored in zip-lock bags before use. Sediment samples were divided into two ...parts. The first was use to characterize particle- size distribution, by wet sieving, and ... See full document
8
Detection of Vibrio parahaemolyticus and Vibrio cholerae in oyster, Crassostrea rhizophorae, collected from a natural nursery in the Cocó river estuary, Fortaleza, Ceará, Brazil
... of the oyster species Crassostrea rhizophorae were collected from the Cocó river estuary (Fortaleza, Brazil) at fortnightly intervals between October 2000 and April ... See full document
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