Results 11 to 20 of about 2,369 (175)

Peces de la cuenca del río Orinoco. Parte I: Lista de especies y distribución por subcuencas

open access: yesBiota Colombiana, 2004
Para efectos del presente trabajo y en función de los datos disponibles hasta la fecha, se consideran las siguientes subcuencas y/o regiones para la cuenca del Orinoco, desde su nacimiento hasta su desembocadura en el océano Atlántico: Alto Orinoco ...
Carlos A. Lasso   +13 more
doaj   +8 more sources

New records of termites (Blattodea: Termitidae: Syntermitinae) from Colombia

open access: yesJournal of Threatened Taxa, 2018
Eight species of termite from the Amazon and Orinoquia regions, belonging to four genera of the subfamily Syntermitinae, are recorded for the first time in Colombia.  The species are Cornitermes cumulans (Kollar, 1832), Cornitermes pilosus Holmgren, 1906,
Olga Patricia Pinzón   +1 more
doaj   +1 more source

New records of hunting ants (Poneroids and Ectatomminoids) in the northern part of the Colombian Orinoquia region

open access: yesArxius de Miscel-lània Zoològica, 2017
We reviewed 466 specimens of hunting ant species collected in flooded savanna environments and their adjacent forest fragments in the rural area of Arauca municipality (Arauca, Colombia).
J. A. Agudelo Martínez   +1 more
doaj   +1 more source

The Orinoco Valley [PDF]

open access: yesThe Geographical Journal, 1904
n ...
C., G. E., Andre, Eugene
openaire   +1 more source

Revista ORINOCO

open access: yes, 2021
Revista Orinoco Pensamiento y Praxis, multidisciplinaria de investigación social, de acceso abierto. Arbitrada, indexada en catálogos de LATINDEX, LATINREV y DIALNET. Ppi201202BO3993 -ISSN: 22448314. Ciudad Bolívar / República Bolivariana de Venezuela.Editada por el Fondo Editorial ORINOCO Pensamiento y praxis de la Asociación Fraternidad y Orientación
Revista Orinoco   +3 more
openaire   +1 more source

Estimating Land Degradation Level Using Remote Sensing Data and Fuzzy AHP Technique

open access: yesLand Degradation &Development, EarlyView.
ABSTRACT Land degradation is a critical global environmental concern that significantly impacts ecosystem services, agricultural productivity, weather patterns, human livelihoods and overall well‐being. Prompt and precise assessments of land degradation status are crucial for environmental governance and sustainable development. Remote sensing data can
Mohamed Mustafa Ali, Hamed Faroqi
wiley   +1 more source

Moenkhausia hemigrammoides Géry, 1965 (Characidae, Stethaprioninae) in Colombia: new records and comments on morphology [PDF]

open access: yesCheck List, 2019
Moenkhausia hemigrammoides Géry, 1965 was described from Suriname and recently found in the Ariari drainage, part of the Orinoco river basin. Here, we formally report the presence of this species in the Ariari and Inírida drainages ...
Alejandro Méndez-López   +1 more
doaj   +3 more sources

National Policy Coherence Counts for Reducing Inequality in Global Climate and Development Agendas

open access: yesSustainable Development, EarlyView.
ABSTRACT International institutions promote policy coherence as crucial to the effective and fair implementation of global sustainability agendas, though the evidence for its benefits is slim. We present here the first systematic cross‐country dataset on the consequences of national government efforts to promote policy coherence for vulnerable groups ...
Katherine Browne   +10 more
wiley   +1 more source

Ecotoxicological Assessment of Mercury in Fish From a Gold‐Mining‐Impacted Amazonian River: Biomonitoring and Human Health Risk

open access: yesEnvironmental Toxicology, EarlyView.
ABSTRACT The Peixoto de Azevedo River, located in northern Mato Grosso, southern Brazilian Amazon, has a long history of artisanal and small‐scale gold mining (ASGM). This study evaluated total mercury (THg) concentrations in fish tissues to assess biomagnification and potential risks.
Augusto Cesar da Costa Castilho   +5 more
wiley   +1 more source

Redescription of Odontostilbe pulchra (Gill, 1858) (Teleostei: Characidae: Cheirodontinae), and description of two new species from the río Orinoco basin

open access: yesNeotropical Ichthyology
Odontostilbe pulchra, previously considered species inquirenda in Cheirodontinae and doubtfully assigned from the río Orinoco basin, is redescribed with the rediscovery of two syntypes. Originally described to the Island of Trinidad, O.
Cristina M. Bührnheim   +1 more
doaj   +1 more source

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