Results 31 to 40 of about 30,777 (230)

Mesozoic Coleopteran Faunas fromArgentina: Geological Context, Diversity, Taphonomic Observations, and Comparison with Other Fossil Insect Records [PDF]

, 2012
The order Coleoptera is the most diversified group of the Class Insecta and is the largest group of the Animal Kingdom. This contribution reviews the Mesozoic insects and especially the coleopteran records from Argentina, based on bibliographical and ...
Gallego, Oscar Florencio, Lara, Maria Belén, Vaz Tassi, Lara   +2 more
core   +2 more sources

Macraucheniidae y Proterotheriidae (Mammalia, Litopterna) de Quebrada Fiera (Oligoceno tardío), Mendoza, Argentina [PDF]

, 2019
In this contribution we present new specimens of Litopterna recovered during the last decade in Quebrada Fiera (Mendoza Province, Argentina), whose fossiliferous sediments, currently recognized as the base of Agua de la Piedra Formation, are assignable ...
Cerdeño Serrano, Maria Esperanza, Hernández del Pino, Santiago Ezequiel, Schmidt, Gabriela Ines   +2 more
core   +1 more source

The signature of river- and wind-borne materials exported from Patagonia to the southern latitudes: a view from REEs and implications for paleoclimatic interpretations [PDF]

, 2004
Riverine and wind-borne materials transferred from Patagonia to the SW Atlantic exhibit a homogeneous rare earth element (REE) signature. They match well with the REE composition of Recent tephra from the Hudson volcano,and hence this implies a ...
Bidart, Susana M., Depetris, Pedro J., Gaiero, Diego M., Leleyter, Lydia, Probst, Jean-Luc   +4 more
core   +2 more sources

Limnological aspects of humic substances in Chubut River (Patagonia‐Argentina)

River Research and Applications, 2011
AbstractHumic Substances (HSs) of the Chubut River (Patagonia‐Argentina) have been investigated, during two consecutive years and different climatic seasons, in order to obtain a first approach at their spatial and temporal distribution, as well as their origin and relation with environmental characteristics.
Scapini, M. del C., Conzonno, Victor Hugo, Orfila, J. D., Saravia, J., Balzaretti, V. T., Fernandez Cirelli, Alicia   +5 more
openaire   +2 more sources

Species biology of elasmobranch by-catch in bottom-trawl fishery on the northern Patagonian shelf, Argentina

Aquatic Biology, 2013
The present study analyzes the species composition of elasmobranch by-catch of bottom trawlers that targeted common hake Merluccius hubbsi on the northern and central Patagonian shelf during 2001, 2002 and 2003. Six surveys were conducted, and a total of
AC Crespi-Abril, SN Pedraza, NA García, EA Crespo   +3 more
doaj   +1 more source

Impacto de la redistribución de agua en áreas de estepa: estudio de caso en un arroyo temporario del NO de Chubut

Semiárida, 2020
Con el objetivo de evaluar el impacto en la vegetación y el suelo de una obra de redistribución de agua en área de estepa, se desarrolló durante 2010 y 2011 un ensayo en el área ecológica de Sierras y Mesetas Occidentales del NO de Chubut.
G. Ciari, W. Opazo
doaj  

Influence of the physical structure of an invasive barnacle in structuring macroinvertebrate assemblages

Ecología Austral, 2017
Many invertebrate species use the microhabitats generated by barnacles to settle and to avoid predation and desiccation. In Argentina, the acorn barnacle Balanus glandula not only colonizes rocky shores but has also successfully invaded soft bottom salt
Maria M. Mendez, Alejandro Bortolus, Evangelina Schwindt   +2 more
doaj   +1 more source

Arhythmorhynchus comptus (Acanthocephala: Polymorphidae) from shorebirds in Patagonia, Argentina, with some comments on a species of profilicollis [PDF]

, 2016
Adult and immature Arhythmorhynchus comptus (Acanthocephala: Polymorphidae) were found parasitizing the Baird’s Sandpiper, Calidris bairdii, and the White-rumped Sandpiper, Calidris fuscicollis (Aves: Scolopacidae), from several locations in Patagonia ...
Capasso, Sofía Carolina, Diaz, Julia Inés   +1 more
core   +3 more sources

Manejo integrado de cuencas hídricas: cuenca del río Gualjaina, Chubut, Argentina

Boletín Mexicano de Derecho Comparado, 2015
El río Gualjaina, afluente del río Chubut, Patagonia, Argentina, desarrolla una cuenca de 2,800 km 2 . El conocimiento de las variables físicas y antropogénicas de una cuenca hidrográfica, sumado al marco legal aplicable, permiten el manejo integrado de la misma con el objetivo de preservar y asegurar la sustentabilidad del ambiente.
Ferrer Alessi, Vicente, Torrero, Mariana Paula   +1 more
openaire   +5 more sources

Geomorphologic Map of Northeastern Sector of San Jorge Gulf (Chubut, Argentina) [PDF]

Journal of Maps, 2011
This paper presents a 1:100,000 scale geomorphologic map of the Northeastern sector of San Jorge Gulf (Chubut Province) in Patagonia, Argentina, covering more than 1,000 km2 . Derived from remote sensing data and validated by three field surveys, it has been compiled in order to understand the past and recent evolution of the area with particular ...
Isola I.[1], Bini M.[2], Ribolini A.[2], Pappalardo M.[2], Consoloni I.[2], Fucks E.[3], Boretto G.[4], Ragaini L.[2], Zanchetta G.[1, 2, 5]   +10 more
openaire   +6 more sources