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Primary Document Acesso aberto

Book.

1938 - Gale Group | World Scholar Latin America

Artigo Revisado por pares

Andrés Solórzano, Alfonso Encinas, Alejandro Kramarz, Gabriel Carrasco-Escobar, G. Montoya, René Bobe,

... late Miocene mammalian assemblages from the Laguna del Laja fossiliferous locality (Cura-Mallín and Trapa-Trapa formations), ... Therefore, a better understanding of the Laguna del Laja faunal taxonomic affinities is needed, especially because the ... of the Cura-Mallín Formation at Laguna del Laja are described and illustrated, and a discussion of ... America. However, it is noteworthy that Laguna del Laja has documented some taxa previously found only in ...

Tópico(s): Animal Ecology and Behavior Studies

2021 - Elsevier BV | Journal of South American Earth Sciences

Primary Document Acesso aberto

Book.

1938 - Gale Group | World Scholar Latin America

Artigo Acesso aberto Revisado por pares

Enrique Muñoz, Christian D. Guzmán, Yelena Medina, Jan Boll, Víctor Parra, José Luis Arumí,

... of a new water allocation rule in the Laja Lake basin in southern Chile. Resilience assessments included ... variability uncertainty and climate change trends of the Laja system. Characterization of adaptive and absorptive capacities showed that the Laja Lake basin moved from resistant to vulnerable. Hydrological ... that after a new water allocation agreement, the Laja Lake system is moving from vulnerable to susceptible, ...

Tópico(s): Flood Risk Assessment and Management

2019 - Multidisciplinary Digital Publishing Institute | Water

Primary Document Acesso aberto

Book.

1938 - Gale Group | World Scholar Latin America

Artigo Revisado por pares

T. Rockwell, Daniel Ragona, Andrew Meigs, Lewis A. Owen, Carlos H. Costa, Emilio A. Ahumada,

... Secondary Faulting: A Long Rupture Record of La Laja Fault, San Juan, Argentina Thomas K. Rockwell; Thomas ... Secondary Faulting: A Long Rupture Record of La Laja Fault, San Juan, Argentina. Bulletin of the Seismological ... earthquake show evidence for repeated rupture of La Laja fault in the late Pleistocene and Holocene. The ... trench 1, and annotated photographs of the La Laja region. You do not have access to this ...

Tópico(s): Earthquake Detection and Analysis

2013 - Seismological Society of America | Bulletin of the Seismological Society of America

Primary Document Acesso aberto

Book.

1938 - Gale Group | World Scholar Latin America

Artigo Acesso aberto Revisado por pares

Rodolfo D. Foglia, N. Emilio Vaccari,

The La Laja Formation lies exposed almost continuously along the western margin of two hill ranges, i.e., the Sierra Chica ... third of the Soldano Member of the La Laja Formation. Taxa described are Glossopleura walcotti Poulsen, Glossopleura ... Trilobites-based correlations are established between the La Laja Formation and olistoliths of the Western Precordillera. Additional ... described material. Delamaran taxa reported from the La Laja Formation are characteristic and so far restricted to ...

Tópico(s): Paleontology and Stratigraphy of Fossils

2010 - Asociación Paleontológica Argentina | Ameghiniana

Primary Document Acesso aberto

Book.

1938 - Gale Group | World Scholar Latin America

Artigo Revisado por pares

John J. Flynn, Reynaldo Charrier, Darin A. Croft, Phillip B. Gans, Trystan M. Herriott, Jill Wertheim, André R. Wyss,

... Andean Main Range of Chile near Laguna del Laja (∼37.5°S, 71°W) has produced the ... of localities east and south of Laguna del Laja has yielded diverse faunas, in addition to radioisotopically ... for middle Cenozoic strata in the Laguna del Laja region. The sequence of directly superposed mammalian assemblages at Laguna del Laja is one of the longest in all of ...

Tópico(s): Animal Ecology and Behavior Studies

2008 - Elsevier BV | Journal of South American Earth Sciences

Primary Document Acesso aberto

Book.

1938 - Gale Group | World Scholar Latin America

Artigo Revisado por pares

Karla Pozo, Roberto Urrutia, Ricardo Barra, Michela Mariottini, H. C. Treutler, Alberto Araneda, Silvano Focardi,

... four Chilean lakes along the Andes Chain (Chungará, Laja, Castor and Venus) were analysed in order to ... Lake Chungará (1.2 ± 1) in northern Chile, Laja (5 ± 4) in central, and in Lake Castor ( ... values in the sediment fluctuating from 2% (Lake Laja) to 22% (Lake Chungará). Analysis of 210Pb fluxes, presented a decrease trend following Lake Laja > Castor > Chungará with a positive correlation with rainfall ... 748 g m−2 yr−1) and Lake Laja (508 g m−2 yr−1). Focusing factor ( ...

Tópico(s): Oil Spill Detection and Mitigation

2006 - Elsevier BV | Chemosphere

Primary Document Acesso aberto

Book.

1938 - Gale Group | World Scholar Latin America

Artigo Acesso aberto

Ricardo Thiele, Hugo Moreno, Sara Elgueta, Alfredo Lahsen, Sofía Rebolledo, M. Eugenia Petit-Breuilh,

... en el tramo superior del valle del rio Laja corresponde a una compleja interrelacion entre volcanismo, procesos ... materiales represaron el desague natural del lago del Laja y de sus quebradas afluentes. El colapso gravitacional ... primarios se han denominado Arenas Negras de Trupan-Laja. El volcan actual (Antuco 2) incluye un cono ... a la ruptura del represamiento del lago del Laja, las cenizas negras fueron removidas hasta la Depresion ...

Tópico(s): Environmental and Ecological Studies

1998 - National Geology and Mining Service | Revista geológica de Chile

Primary Document Acesso aberto

Book.

1938 - Gale Group | World Scholar Latin America

Artigo Revisado por pares

Andrés Solórzano, Alfonso Encinas, Alejandro Kramarz, Gabriel Carrasco-Escobar, G. Montoya, René Bobe,

... late Miocene mammalian assemblages from the Laguna del Laja fossiliferous locality (Cura-Mallín and Trapa-Trapa formations), ... of the taxonomic affinities of the Laguna del Laja faunas is needed, as it represents one of ... of the Cura-Mallín Formation at Laguna del Laja are here described in detail, and a brief ...

Tópico(s): Bat Biology and Ecology Studies

2020 - Elsevier BV | Journal of South American Earth Sciences

Artigo Acesso aberto Revisado por pares

Bernhard Karrasch, Stefan Woelfl, Roberto Urrutia, Jenny González, Claudio Valdovinos, Hernán Fernández Cid, Óscar Parra,

... of land and water use.We studied Lake Laja, a lake already heavily impacted by water diversions ... and irrigation.Typical for the Andean region Lake Laja is an oligotrophic water body, limited by nitrogen ... signifi cant changes in the ecology of Lake Laja.

Tópico(s): Wastewater Treatment and Nitrogen Removal

2011 - BioMed Central | Revista chilena de historia natural

Artigo Revisado por pares

Fernando J. Gómez, Neil Ogle, Ricardo A. Astini, Robert M. Kalin,

Abstract The La Laja Formation (Early to Middle Cambrian) is one of the oldest units exposed at the base of the lower Paleozoic ... would have been attached to Laurentia. The La Laja Formation contrasts with the rest of the overlying ... both environmental and chronostratigraphic evolution of the La Laja Formation. Three δ13C positive excursions were recorded; the ...

Tópico(s): Geochemistry and Elemental Analysis

2007 - Society for Sedimentary Geology | Journal of Sedimentary Research

Artigo Acesso aberto Revisado por pares

Evelyn Habit, Mark C. Belk, Óscar Parra,

... diverts water from two rivers were quantified. The Laja River is highly regulated and manipulated with three ... and is comparatively undisturbed. Prior to construction, the Laja River had a fish community with lower species ... Rucúe River. The fish community structure in the Laja River was dramatically altered after the new hydropower ... exhibited greater resistance to change compared with the Laja River. The species most affected were the introduced ...

Tópico(s): Fish Biology and Ecology Studies

2006 - Wiley | Aquatic Conservation Marine and Freshwater Ecosystems

Revisão Revisado por pares

Matilde S. Beresi,

... from in situ Cambrian sections of the La Laja Formation (San Juan Precordillera). They have also been ... and Empozada Formation (Mendoza Precordillera). The Cambrian La Laja Formation sequences were deposited in a shallow carbonate ... Lower to Middle Cambrian sequences of the La Laja Formation. This assemblage consists of a variety of ... Anthaspidellid sponges had been reported from the La Laja Formation and now from the San Martin olistolith ( ...

Tópico(s): Crustacean biology and ecology

2003 - Cartographic and Geological Institute of Catalonia | Geologica Acta

Artigo Acesso aberto

Roberto Urrutia, Mariela Α. Yevenes, Ricardo Barra,

... de sedimento de tres lagos andinos (Lagos Chungara, Laja y Castor). Las muestras de sedimento fueron obtenidas ... 210 m g/g, respectivamente. En el lago Laja las mayores concentraciones correspondieron a Pb y Cu, ... altas que los estratos profundos. En el lago Laja se observo una tendencia a la disminucion de ...

Tópico(s): Soil Science and Environmental Management

2002 - Sociedad Chilena de Química | Boletín de la Sociedad Chilena de Química

Artigo Acesso aberto Brasil Produção Nacional Revisado por pares

Alcídes N. Sial, Valderez P. Ferreira, Alejandro J. Toselli, Florencio Gilberto Aceñolaza, Márcio Martins Pimentel, Miguel A. Parada, Ricardo N. Alonso,

... belonging to the Lower to Middle Cambrian La Laja Fm. The Pie-de-Palo Range, Pampean Range, ... Carbonates in a 700m thick section within La Laja Fm. is marked by a slightly positive δ13C ... carbonates in Las Tienditas Fm. while the La Laja Fm carbonates vary from 0.70926 to 0. ... 30 m from the base of the La Laja Fm. The narrow range of δ13C variation (−1. ...

Tópico(s): Geological formations and processes

2001 - Springer Science+Business Media | Carbonates and Evaporites

Artigo Revisado por pares

Lien Rodríguez‐López, Iongel Duran-Llacer, Lisdelys González-Rodrı́guez, Rodrigo Abarca‐del‐Rio, Rolando Cárdenas, Óscar Parra, Rebeca Martínez-Retureta, Roberto Urrutia,

... Chile. To this end, 14 LANDSAT images of Laja Lake (36° 54 'S, 71° 05' W, 1, ... developed that allows the primary productivity values of Laja Lake to be estimated using satellite data. Finally, ...

Tópico(s): Remote Sensing and Land Use

2020 - Elsevier BV | Ecological Informatics

Artigo Acesso aberto Revisado por pares

Demetrio Mora, Javier Carmona, Enrique A. Cantoral-Uriza,

... las diatomeas epilíticas de los ríos Dolores y Laja, localizados en la cuenca alta del río Laja, Guanajuato, México. Lasmuestras se recolectaron en las temporadas ...

Tópico(s): Diatoms and Algae Research

2015 - National Autonomous University of Mexico | Revista Mexicana de Biodiversidad

Artigo Acesso aberto

Enrique Muñoz, César Álvarez, Max Billib, José Luis Arumí, Diego Rivera,

... and agricultural purposes.The Andean basin of the Laja River, located in south-central Chile, was chosen ... gridded datasets in the Andean area of the Laja basin is underestimated and damped, an effect which ... and iii) regarding the main activities in the Laja basin, global gridded datasets are useful for hydrological ...

Tópico(s): Flood Risk Assessment and Management

2011 - Instituto de Investigaciones Agropecuarias, INIA | Chilean journal of agricultural research

Artigo

Myriam Iturra-Cid, Juan Carlos Ortiz, Nora R. Ibargüengoytía,

... at similar latitude but different altitudes (Itata and Laja). Body size was measured and age was estimated ... at high altitude and latitude populations (Chaitén and Laja). In all populations, sexual maturity was reached at ... and was similar between sexes in Itata and Laja. Pleurodema thaul populations from high latitude and altitude ...

Tópico(s): Turtle Biology and Conservation

2010 - American Society of Ichthyologists and Herpetologists | Copeia

Artigo Revisado por pares

Norman Mercado‐Silva, Matthew R. Helmus, M. Jake Vander Zanden,

... species, and reservoirs on food webs of the Laja river ecosystem (Guanajuato, central Mexico). We estimated trophic ... non‐native fishes modified food webs in the Laja. Food web dispersion was greater in reservoir than ... and Carassius auratus exhibited lowest TP in the Laja but overlapped significantly with most native species, indicating ...

Tópico(s): Fish biology, ecology, and behavior

2008 - Wiley | River Research and Applications

Artigo Revisado por pares

Laura Torres, Óscar Parra, Alberto Araneda, Roberto Urrutia, Fabiola Cruces, Luis Chirinos,

This study reports a pollen analysis from Lake Laja, an Andean lake in central Chile, from 800 ... was dated using 210Pb and 14C techniques. Lake Laja is located at 1360 masl, next to Antuco ...

Tópico(s): Archaeology and ancient environmental studies

2007 - Elsevier BV | Review of Palaeobotany and Palynology

Artigo Revisado por pares

Norman Mercado‐Silva, John D. Lyons, Edmundo Díaz‐Pardo, Altagracia Gutiérrez‐Hernández, Claudia Patricia Ornelas‐García, Carlos Pedraza‐Lara, M. Jake Vander Zanden,

... are poorly documented. Long‐term information from the Laja River (Guanajuato, Mexico) in the Lerma River basin ... The changes in fish community composition for the Laja portray how the fish communities in other rivers ...

Tópico(s): Fish Biology and Ecology Studies

2006 - Wiley | Aquatic Conservation Marine and Freshwater Ecosystems

Artigo Acesso aberto

Fernando J. Gómez, Ricardo A. Astini,

Resumen es: La Formacion La Laja es una unidad clave en el marco de las teorias existentes respecto a la Precordillera Argentina, considerada como un 'terrane' aloct...

Tópico(s): Paleontology and Stratigraphy of Fossils

2006 - National Geology and Mining Service | Revista geológica de Chile