Results 91 to 100 of about 2,883 (191)

Arc-continent collision and orocline formation: Closing of the Central American seaway [PDF]

, 2012
Closure of the Central American seaway was a local tectonic event with potentially global biotic and environmental repercussions. We report geochronological (six U/Pb LA-ICP-MS zircon ages) and geochemical (19 XRF and ICP-MS analyses) data from the ...
Bayona, G., Buchs, David M., Cardona, A., Hoyos, N., Jaramillo, C. A., Montes, Camilo, Morón, S., Ramírez, D. A., Silva, C. A., Valencia, V.   +9 more
core   +2 more sources

Two new trans-Andean species of Imparfinis Eigenmann & Norris, 1900 (Siluriformes: Heptapteridae) from Colombia

Neotropical Ichthyology
Two new species of Imparfinis are described from the trans-Andean region of Colombia. Imparfinis timana is diagnosed by having longer anal fin base (12.4-15.5% in SL), in combination with long adipose fin (24.6-31.3% in SL), 5-6 gill rakers on the first ...
Armando Ortega-Lara, Nadia Milani, Carlos DoNascimiento, Francisco Villa-Navarro, Javier Alejandro Maldonado-Ocampo   +4 more
doaj   +1 more source

Pueblos de descendencia africana en Colombia y Ecuador: compilación bibliográfica [PDF]

, 2005
La compilación forma parte de la cátedra y proyecto “Estudios de la Diáspora Afro-Andina. Construcción de identidades afros en Ecuador y Colombia: procesos sociales, políticos y epistémicos”, financiado por el Convenio Andrés Bello.
Antón Sánchez, John, León Castro, Edizon, Valdelamar Sarabia, Lázaro, Walsh, Catherine, coord.   +3 more
core  

Aquatic insects associated with macrophytes in wetlands of the middle basin of Atrato River, Chocó - Colombia

Revista U.D.C.A Actualidad & Divulgación Científica
Aquatic macrophytes play an important role in lentic systems, since they constitute the particular habitat of several groups of aquatic insects and play a fundamental role in structuring their communities. The objective of this study was to contribute to the knowledge of the aquatic entomofauna associated with macrophytes in wetlands of the middle ...
Zuleyma Mosquera-Murillo, Karen Everni Córdoba-Aragón, Mairin Minerva Mosquera-Mosquera, Sandra Patricia Sanchez, Leider Palacios-Palacios   +4 more
openaire   +2 more sources

WATER LEVEL RECONSTRUCTION OF THE ATRATO RIVER WITH TREE RINGS OF PRIORIA COPAIFERA

, 2011
dendrochronology provides hydroclimatic proxy records in many regions with scarcity of instrumental records. In this paper, we reconstructed the Low Atrato River´s water levels and assessed the effect of the ENSO phenomenon in the river level over the past 150 years using the tree rings of Prioria copaifera tree (Cativo).
HERRERA, DAVID ANDRÉS, DEL VALLE, JORGE IGNACIO   +1 more
openaire   +1 more source

Hyphessobrycon ocasoensis sp. n. (Teleostei, Characidae) una nueva especie para el Alto Cauca, Colombia [PDF]

, 2008
Hyphessobrycon ocasoensis n. sp. (Teleostei, Characidae) a new species from the Alto Cauca, Colombia Hyphessobrycon ocasoensis n. sp. (Characiformes, Characidae) from heterorhabdus group (Gery, 1977) is described from the upper Cauca River in Colombia.
García-Alzate, C. A., Román-Valencia, C.   +1 more
core  

Exportación de sedimentos desde cuencas hidrográficas de la vertiente oriental del golfo de Urabá: influencias climáticas y antrópicas [PDF]

, 2012
En este artículo se analizaron series de tiempo mensuales de precipitación (mm), caudal (m3/s) y exportación de sedimentos (kton/día) en cuencas de la vertienteoriental del golfo de Urabá.
Arroyave-Rincón, Andrea, Blanco, Juan F., Taborda, Alexander   +2 more
core  

On the freshwater shells of Tasmania [PDF]

, 1875
No attempt has yet been made to arrange the freshwater shells of Tasmania. The land shells have been carefully catalogued by Mr. Legrand, so that little remains to be desired in that department of our island fauna.
Tenison Woods, Julian Edmund
core   +1 more source

A vegetations map of south America. [PDF]

, 2015
bitstream/item/116979/1/2636 ...
Di BELLA, C. M., EVA, H. D., GOND, V., HUBER, O., JONES, S., MIRANDA, E. E. de, SGRENZAROLI, M.   +6 more
core  

Flora etnoodontológica de las comunidades indígenas embera del Atrato Medio antioqueño Ethno-dentistry flora of the embera indigenous communities from Antioquia's Medio Atrato region

Revista Facultad de Odontología Universidad de Antioquia, 2012
INTRODUCCIÓN: entre los espacios de uso y manejo de la sucesión de bosque hecho por los embera que habitan ecosistemas húmedos tropicales del Chocó biogeográfico se encuentran una serie de plantas de uso odontológico.
José Ubeimar Arango Arroyave, María Evalina Iságama   +1 more
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