Revista Mexicana de Biodiversidad, 2009 Se analizan las especies de Bryconamericus Eigenmann 1907 para la cuenca de los ríos Magdalena-Cauca y Ranchería, con base en material tipo y no tipo; además se establece la distribución geográfica de B. caucanus.
César Román-Valencia +2 more
doaj +1 more source
Projective geometry for blueprints [PDF]
, 2012 In this note, we generalize the Proj-construction from usual schemes to blue schemes. This yields the definition of projective space and projective varieties over a blueprint.
Lorscheid, Oliver, Peña, Javier López
core +3 more sources
Revisión taxonómica y geográfica de Bryconamericus peruanus (Teleostei, Characidae)
Revista Mexicana de Biodiversidad, 2011 Se efectúa un análisis taxonómico y geográfico de Bryconamericus peruanus y se compara con las especies de este género presentes en las vertientes del Pacífico sur en Colombia, Ecuador y Perú.
César Román-Valencia +2 more
doaj +1 more source
Revista de Biología Tropical, 2006 Embrionary-larval development of the tropical fish Hemirhamphus brasiliensis (Beloniformes: Hemirhamphidae) from eggs collected in the wild.The embryo formation and larval development of Hemirhamphus brasiliensis Linnaeus, 1758 (Pisces: Hemirhamphidae) is described from morula stage eggs collected on Sargassum sp.Thalii in the field (10°50'55.2"N and ...
Jesús Rosas +3 more
openaire +6 more sources
Consequences of ocean scale hypoxia constrained habitat for tropical pelagic fishes [PDF]
, 2007 Large areas of cold hypoxic water occur as distinct strata in the eastern tropical Pacific and Atlantic oceans as a result of high productivity initiated by intense nutrient upwelling.
Goodyear, C.P., Prince, Eric D.
core +2 more sources
Composition and Host-Use Patterns of a Scarab Beetle (Coleoptera: Scarabaeidae) Community Inhabiting the Canopy of a Lowland Tropical Rainforest in Southern Venezuela [PDF]
, 2019 The adult scarab beetle fauna of the canopy in a lowland tropical rainforest in southern Venezuela was observed and collected by means of a 42 m-tall tower crane for a complete year.
Kirmse, Susan, Ratcliffe, Brett C.
core +2 more sources
Analysis of information use in agricultural science PhD theses at Central University of Venezuela [PDF]
, 2008 Purpose – To analyze information use in agricultural science PhD theses submitted between 1986 and 2002 in the Faculty of Agronomy, Central University of Venezuela (UCV).
Haparro-Martinez, Exio Isaac +1 more
core +2 more sources
A new deep-sea pennatulacean (Anthozoa: Octocorallia: Chunellidae) from the Porcupine Abyssal Plain (NE Atlantic) [PDF]
, 2010 During the BENGAL cruises, an important collection of deep-sea benthic organisms was sampled. Among the pennatulacean colonies, a previously undescribed species of chunellid was collected.
López González, Pablo José +1 more
core +2 more sources
A new gorgonian genus from deep-sea Antarctic waters (Octocorallia, Alcyonacea, Plexauridae) [PDF]
, 2006 Mesogligorgia scotiae gen. nov., sp. nov. is described and illustrated from a colony collected in the Scotia Sea, 2,201–2,213 m in depth, on the ANDEEP-I cruise. The new taxon is placed in the family Plexauridae because of: 1) the presence of a horny
López González, Pablo José
core +1 more source
Redescripción de Parodon caliensis y Saccodon dariensis (Characiformes: Parodontidae)
Revista de Biología Tropical, 2010 La familia Parodontidae es un grupo de peces Characiformes distribuidos a través de Sur América y parte de Panamá, contiene tres géneros: Apareiodon Eigenmann 1916, Parodon Valenciennes 1849 y Saccodon Kner 1863, con 28 especies reconocidas y dos géneros
Alejandro Londoño-Burbano +1 more
doaj +2 more sources