Results 51 to 60 of about 879 (163)

GENERAL ASPECTS OF A STUDY ON THE REGIMEN OF LAKE MARACAIBO

open access: yesCoastal Engineering Proceedings, 1957
Maracaibo Basin in Western Venezuela, Figure 1, has an area of 90,000 square kilometers. It is isolated from the rest of Venezuela on the East and South, and from Columbia on the West, by mountain ranges which reach a height of 5,000 meters at the southern boundary of the Basin.
openaire   +2 more sources

HEMIBRYCON GUEJARENSIS, A NEW SPECIES FROM THE GÜEJAR RIVER, ORINOCO BASIN, COLOMBIA (CHARACIFORMES: CHARACIDAE) WITH A REVIEW THE POPULATIONS IDENTIFIED AS HEMIBRYCON METAE

open access: yesRevista de Investigaciones Universidad del Quindío, 2017
Hemibrycon guejarensis, new species, is described from the Güejar River, La Macarena mountain range, upper Guaviare River drainage, Colombia. The new species is distinguished from most cis-Andean congeners (H.
César Román-Valencia   +2 more
doaj   +1 more source

Detection of viruses in the Lake of Maracaibo

open access: yesRevista Técnica de la Facultad de Ingeniería, 2011
A methodology for concentrating viruses In water was used In a six month study to detect the presence ofenteroviruses In an area of Lake Maracaibo. Concentrated samples were Inoculated In BGM, MA-}04 and YERO cell lInes. The positive Iso lates for cytophatic effect were analyzed In order to determine fue heat stabllization of divalent cations and later
Ligia Botero   +3 more
openaire   +1 more source

Cultural Ecosystem Services in urban areas peripheral to the Petrochemical Complex El Tablazo-Venezuela

open access: yesESTOA: Revista de la Facultad de Arquitectura y Urbanismo de la Universidad de Cuenca
Cultural ecosystem services (CES) value the intangible benefits that ecosystems provide to people and are useful tools for urban planning and management.
Carolina Quintero-Sandrea
doaj   +1 more source

Sustainability of Mangrove Harvesting: How do Harvesters' Perceptions Differ from Ecological Analysis?

open access: yesEcology and Society, 2006
To harvest biological resources sustainably, it is first necessary to understand what "sustainability" means in an ecological context, and what it means to the people who use the resources.
Laura López-Hoffman   +4 more
doaj   +1 more source

La configuración espacial, territorial y cultural de la región limítrofe de Colombia con Venezuela. Presupuestos teóricos, lineamientos y límites

open access: yesCambios y Permanencias, 2010
This article uses a critical review to explore theoretical guidelines to propose a representation of a historical and cultural area between the North-eastern border of Colombia and the states of Tachiraand Merida of the ...
Leonardo Moreno González
doaj  

Tasa de degradación de madera por el perforador de manglar Psiloteredo healdi (Bivalvia:Teredinidae) en el Lago de Maracaibo, Venezuela

open access: yesRevista de Biología Tropical, 2000
Con el propósito de evaluar la capacidad de degradar madera de los moluscos bivalvos perforadores de madera en comunidades de manglar, se realizó un estudio en el manglar Ana María Campos, Lago de Maracaibo, Venezuela, utilizando como sustratos bloques ...
José E. Rojas, Héctor Severeyn
doaj  

Apropiación y patrimonio: la iglesia para la comunidad de San Antonio de Heras

open access: yesCambios y Permanencias, 2013
The church San Antonio de Herashas had a special meaning and distinctive from other "holy people" located in the "black coast " of Lake Maracaibo.
Arlene Urdaneta Quintero   +1 more
doaj  

Dry matter production and chlorophyll content index in mixed pastures of the Venezuelan humid tropics

open access: yesActa Agronómica
An ecophysiological study was carried out in a mixed pasture composed mainly of grasses Megathyrsus maximus and Brachiaria arrecta in the South of Lake Maracaibo, Venezuela, under tropical rainforest conditions, with the purpose of determining the ...
Sairo Rangel Marquina   +5 more
doaj   +1 more source

Workflow of the In Situ Combustion EOR Method in Venezuela: Challenges and Opportunities. [PDF]

open access: yesACS Omega, 2023
Rodriguez F   +4 more
europepmc   +1 more source

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