|
|
|
|
|
Edward Osei, Syed H. Jafri, Philip W. Gassman, Ali Saleh and Oscar Gallego
Nonpoint source pollution from cultivated croplands has often been associated with downstream water quality impairment in various watersheds. Given projected changes in global climate patterns, this study contributes to the existing literature by elucida...
ver más
|
|
|
|
|
|
|
|
|
|
|
Mateo D. Monferran,Nora G. Cabaleri,Claudia Armella,Sergio A. Martínez,Oscar F. Gallego,Iracema A. Zacarías,Hugo G. Barrios Calathaki
Pág. 248 - 268
At the moment, two freshwater bivalve species were described for the continental Jurassic of Patagonia: Diplodon simplex Morton and Diplodon matildensis Morton from La Matilde Formation of the Santa Cruz province. The Cañadón Asfalto Formation located in...
ver más
|
|
|
|
|
|
|
|
|
|
|
Maira Camila Montoya-Areiza, Lucas Esteban Cano Gallego, Darío Antonio Castañeda-Sánchez, Sergio Arango-Arcila, Oscar de Jesús Córdoba-Gaona
Pág. 45 - 56
|
|
|
|
|
|
|
|
|
|
|
Jesus Maria Lopez Lezama, Luis Alfonso Gallego Pareja, Oscar Gomez Carmona
ResumenDescargasReferenciasCómo citar
|
|
|
|
|
|
|
|
|
|
|
Oscar Gallego Pérez
El país de los Emiratos Árabes Unidos posee un ecosistema desértico y de limitados recursos naturales. Con la mejora del nivel de vida, los Emiratos Árabes Unidos ha incrementado el gasto energético y la demanda de productos importados y otros recursos n...
ver más
|
|
|
|
|
|
|
|
|
|
|
Hans Niemeyer,Ana Maria Zavattieri,Sara Ballent,Alba Zamuner,Oscar Gallego
In this contribution, we present a reassessment of the Pular Formation age (Sierra de Almeida, Antofagasta) that in previous papers was attributed to either the Late Paleozoic or Triassic. At Quebrada del Medio, the Pular Formation includes a 379-meter-t...
ver más
|
|
|
|
|
|
|
|
|
|
|
Oscar F. Gallego,Rafael G. Martins-Neto,Sven Nielsen N.
Fossil arthropods from Upper Triassic outcrops along the Biobío river, south-central Chile, are reported in this paper. Two species of the order Coleoptera, Ademosyne sp., and Ischichucasyne santajuanaensis gen. et sp. nov. (Permosynidae) are described f...
ver más
|
|
|
|
|
|
|
|
|
|
|
Oscar F. Gallego,Vladimir Covacevich
Pág. 115 - 139
Conchostracans from different triassic localities of Chile are describes and references to previous studies are made. The fauna comprises: Menucoestheria terneraensis gen. et sp. nov. from La Ternera Formation (Upper Triassic) and 'La Coipa Beds' (Lower ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Oscar F. Gallego,Christoph Breitkreuz
Pág. 31 - 53
RESUMEN Se describen diversos conchostracos provenientes del 'Miembro Medio' de las formaciones Pular (Carbonilero tardio a ?Permico temprano) y Peine (Permico? tardio) de la Region de Antofagasta (Norte de Chile). Se hace referencia a los antecedentes s...
ver más
|
|
|
|
|
|