Results 31 to 40 of about 5,733 (108)

Biomasa y produccion primaria del perifiton en una sabana inundable de Venezuela

, 1989
Dans les milieux peu profonds, la contribution du périphyton à l'apport global de matière organique est en général importante. La présente étude à permis d'estimer la production du périphyton à 14 g de matière organique par mètre carré au cours de la période d'inondation (juin à janvier).
Cruz, V., Salazar, P.
openaire   +2 more sources

Sustainable Livestock Decisions in a Post‐Conflict Frontier: Evidence From Colombia's Orinoquía

Journal of Agricultural Economics, Volume 77, Issue 2, Page 304-319, June 2026.
ABSTRACT The Orinoquía region is one of Colombia's principal agricultural frontiers and has been shaped by long‐standing armed‐conflict dynamics that continue to influence land governance, producer incentives, and investment decisions. Efforts to promote sustainable cattle production emphasize two key practices: sustainable pasture management ...
Hernando Flórez‐Díaz, Emiliano Lopez Barrera, Adriana María Molina‐Romero, Diana Elisa Correa‐Pinilla, Carlos Fontanilla‐Díaz   +4 more
wiley   +1 more source

Exiled From Their Own Lands: Indigenist Policies, Oil, and Colonial Plunder in 20th Century Venezuela

The Journal of Latin American and Caribbean Anthropology, Volume 31, Issue 2, June 2026.
ABSTRACT This article examines the historical displacement of Indigenous peoples in Venezuela, focusing on the links between indigenist policies and the exploitation of natural resources, particularly oil, throughout the 20th century. Using a combined historical and ethnographic approach, it demonstrates how the formation of the Venezuelan nation‐state
Gabriel Tardelli
wiley   +1 more source

Fine‐Scale Bioregionalization in a Complex Island System: A Freshwater Perspective From the Greater Antilles

Journal of Biogeography, Volume 53, Issue 1, January 2026.
ABSTRACT Aim The isolated nature of islands makes them particularly vulnerable to climate change. The freshwater fishes of the Greater Antilles remain understudied and are further threatened by habitat fragmentation and the introduction of exotic invasive species.
Sheila Rodríguez‐Machado, Diego J. Elías, Patricia Torres‐Pineda, Daniel Fromm, Prosanta Chakrabarty   +4 more
wiley   +1 more source

Diagnosis del estado de conservación del ensamble de anfibios y reptiles presentes en los ecosistemas de sabanas inundables de la cuenca del río Pauto, Casanare, Colombia

, 2014
El propósito de este estudio fue hacer la primera aproximación al conocimiento del ensamble de anfibios y reptiles presente en las sabanas inundables de río Pauto y evaluar los efectos de las transformaciones causadas en él por la introducción de ...
Angarita Sierra, Teddy
core   +1 more source

Applying the IUCN Global Ecosystem Typology to classify, describe, and map ecosystems based on regional data and Indigenous knowledge

Conservation Biology, Volume 39, Issue 6, December 2025.
Four streams of infromation, data, and knowledges are brought together into an ecosystem typology for the Tiwi Islands. The Typology contains written descriptions and conceptual models for each ecosystem, cross‐reference to other classification schemes, and a map of ecosystem distributions. Abstract Effective ecosystem conservation for biodiversity and
Alys R. Young, Hugh F. Davies, Margaret L. Ayre, Alana Brekelmans, Brett A. Bryan, Jane Elith, Kate Hadden, Mavis Kerinaiua, David A. Keith, Donna L. Lewis, Kinjia M. Munkara‐Murray, Sarah Ryan, Michaela Spencer, Emily Nicholson   +13 more
wiley   +1 more source

PROPIEDADES ANTIMETANOGÉNICAS IN VITRO DE ALGUNAS PLANTAS ADAPTADAS A LAS CONDICIONES DE SABANA INUNDABLE DEL DEPARTAMENTO DE ARAUCA, COLOMBIA

Tropical and Subtropical Agroecosystems, 2015
<p>The methanogenic potential and nutritional quality of nineteen plants adapted to the dry and rainy seasons of the Arauca floodable savannas was evaluated. Each plant was incubated anaerobically with rumen fluid at 39 °C for 24h, after incubation period, gas production, methane, volatile fatty acids and dry matter degradation was determined ...
Oscar Mauricio Vélez Terranova, Rómulo Campos Gaona, H. Sánchez-Guerrero   +2 more
openaire   +1 more source

Advancing effective methods for mitigating greenhouse gas emissions from rice (Oryza sativa L.) fields

Journal of Sustainable Agriculture and Environment, Volume 3, Issue 4, October 2024.
Abstract The implications of global warming present significant threats to both crop productivity and environmental sustainability. The global population greatly depends on rice as a staple food, contributing significantly to global warming and agricultural greenhouse gas (GHG) emissions. Agricultural soils play a crucial role in the release and uptake
Shubh Pravat Singh Yadav, Netra Prasad Ghimire, Prava Paudel, Dipesh Kumar Mehata, Sangita Bhujel   +4 more
wiley   +1 more source

Variación espacial y temporal de la herpetofauna en ecosistemas de sabanas inundables de la Orinoquía-Colombia

Caldasia, 2017
Se comparó la diversidad de anfibios y reptiles en bosques de vega, de galería y sabanas y entre las épocas seca y de lluvias en ecosistemas de sabanas inundables. Se realizó un muestreo en tres sitios en cada época climática, mediante los métodos de encuentro visual y trampas de caída con barreras de interceptación.
Blanco-Torres, Argelina, Bastidas-Molina, Bienvenido, Parra-Torres, Felipe   +2 more
openaire   +3 more sources

Tigrisoma lineatum. Foto 3

, 2023
Vaco colarado fotografiado en las sabanas inundables de Puerto Rondón, Arauca.Especie con tendencia poblacional “estable”.
Renjifo, Juan Manuel, 1948-
core