A. Márquez

Publications15
h-index4
Citations59
Highly Influential Citations6
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CONCENTRACIONES DE METALES EN SEDIMENTOS Y TEJIDOS MUSCULARES DE ALGUNOS PECES DE LA LAGUNA DE CASTILLERO, VENEZUELA. Metals Concentration in Sediments and Muscular Tissues of Some Fish from the…
Resumen es: Con el proposito de detectar alteraciones en el productivo ecosistema de la Laguna de Castillero (Caicara del Orinoco, municipioCedeno del estado Bolivar...
Environmental conditions of the water of the Manzanares River, Cumana, Sucre, Venezuela
Heavy metal speciation in the surface water dissolved fraction of the low watershed and plume of the Manzanares River, Sucre State, Venezuela
This paper reports on the speciation of heavy metals (Cd, Pb, Cr, Cu, Ni, Mn, Fe, and Zn) in the surface water dissolved fraction of the low basin and plume of the Manzanares River, in the state of…
Contribution to the chemotaxonomy of some european Petasites species
[Iron and copper in Plagioscion squamosissimus (Piscis: Sciaenidae) from the Orinoco river, Venezuela].
Bauxite explotation of the Orinoco River in recent years is an important source of heavy metals discharge in the ecosystem, changing the natural biochemical flow of these elements and their…
Age and growth of the striped catfish Pseudoplatystoma orinocoense of the average Orinoco in Venezuela
Considering the importance of the barred sorubim Pseudoplatystoma orinocoense in the artisanal fishery landings of the middle Orinoco region, in this study age and growth were estimated using ring…
Carbon regeneration in the Cariaco Basin, Venezuela
The carbon regeneration in the water column of the Cariaco Basin (Venezuela) was investigated using a regression model of total alkalinity (TA) and the concentration of total inorganic carbon (TCO2).…
Selectivity of the gillnet on the river curvinata, lagioscionn squamosissimus, in the middle Orinoco
Fat and protein content in Pygocentrus cariba, Prochilodus mariae, Plagioscion squamosissimus, Piaractus brachypomus e Hypostomus plecostomus of a middle Orinoco flood lagoon.
8 9 : : : : : Pygocentrus cariba Prochilodus mariae Plagioscion squamosissimus Piaractus brachypomus Hypostomus plecostomus) : 1 ;: 9 4 : : : ": ! "# 4 1 : P. cariba % & '() * & '( H. plecostomus) *+…
Mortality and yield by recruit of the river curvinata, Plagioscion squamosissimus, in middle Orinoco river in Venezuela
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