Results 91 to 100 of about 68,031 (201)

Reconstructing Cenozoic grasslands in North America and western Eurasia: evidence for cold‐season grasses from 3D phytolith morphology

open access: yesNew Phytologist, EarlyView.
Pie charts illustrate the composition of fossil grass silica short‐cell phytolith (GSSCP) assemblages at investigated fossil sites in the United States and Türkiye and representative 3D meshes of classified phytoliths. Summary Pooideae, the largest grass subfamily, radiated in the Northern Hemisphere from the Paleocene onward and today dominates cold ...
Rosalie M. Hermans   +5 more
wiley   +1 more source

EDGARDO CARDENAS [PDF]

open access: yes
Edgardo Cárdenas, nacido en Tucumán y residente de Río Gallegos, es fotógrafo y ex-docente de primaria. Desde joven, su padre le inculcó la pasión por la fotografía.
Difundiendo Saberes, Desde la Patagonia
core  

EL DELITO EN LA CIUDAD DE RÍO GALLEGOS EN EL AÑO 2007

open access: yesBoletín Geográfico, 2008
El presente trabajo tiene como objeto cartografiar los delitos ocurridos durante el año 2007 en la ciudad de Río Gallegos mediante el uso de los Sistemas de Información Geográfica (SIG).
Paula Diez   +4 more
doaj  

En las librerías [PDF]

open access: yes
Breve reseña de los libros: Viajeras Patagonia. Relatos de viento y piedra De aquí cerquita.
Difundiendo Saberes, Desde la Patagonia
core  

1ª Jornadas de Geografía de la UNPA UARG en la Patagonia Austral “20 años de la reapertura de la carrera Profesorado en Geografía en la UNPA UARG” [PDF]

open access: yes, 2020
Las “1ª Jornadas de Geografía de la UNPA UARG en la Patagonia Austral”. 20 años de la reapertura de la carrera Profesorado en Geografía en la UNPA UARG”, se realizaron en el Campus Universitario de la Unidad Académica Río Gallegos de la Universidad ...
Norambuena , Mónica, Ampuero, Cristian
core  

Surplus Killing of Magellanic Penguins Spheniscus magellanicus by Puma Puma concolor) in Islote Lobos National Park, Northern Patagonia

open access: yesEcology and Evolution, Volume 16, Issue 11, November 2026.
We document repeated surplus killing events by pumas (Puma concolor) affecting breeding colonies of Magellanic penguins (Spheniscus magellanicus) in Islote Lobos National Park, northern Patagonia, Argentina. During the 2025–2026 breeding season, at least 961 penguins were killed, representing the largest natural mortality event recorded in the colony ...
Jesica D. Hombre   +4 more
wiley   +1 more source

Health Biomarkers of Pesticide Exposure in Rural Populations of Santa Fe, Argentina: Oxidative Stress and Genotoxicity

open access: yesJournal of Applied Toxicology, Volume 46, Issue 11, Page 3804-3813, November 2026.
ABSTRACT The present study aimed to quantify pesticide residues in environmental matrices and plasma and to evaluate their potential effects on oxidative stress and DNA damage in rural populations of Santa Fe province. Soil and rainwater samples were collected, and biological samples and semistructured surveys were obtained from volunteers in three ...
María Priscila Dechiara   +4 more
wiley   +1 more source

Medición de factores angiogénicos circulantes para descartar preeclampsia en un hospital público de Chile: estudio de costo-beneficio

open access: yesRevista Chilena de Obstetricia y Ginecología
Introducción: La preeclampsia afecta al 3-5% de los embarazos y causa morbilidad materna grave. Los factores angiogénicos son una nueva alternativa diagnóstica que mejora la predicción de preeclampsia y disminuye los resultados adversos.
José J. Caro-Miranda   +6 more
doaj   +1 more source

LITHIC RAW MATERIAL AT THE SANTA CRUZ RIVER MOUTH. FIRST SURVEYS

open access: yesLa Zaranda de Ideas, 2021
The knowledge about rocks availability in areas of archaeological investigations is fundamental in order to approach the lithic technology studies and human behaviors associated to its production.
Daniela Soledad Cañete Mastrángelo
doaj  

Opportunistic Feeding and Parasite Assemblages in Sei Whales (Balaenoptera borealis) From Southern Chile Revealed by DNA Metabarcoding

open access: yesEcology and Evolution, Volume 16, Issue 10, October 2026.
This study represents the first metabarcoding‐based description of prey composition and parasite‐associated taxa in stranded sei whales from southern South America. ABSTRACT Balaenopterid whales are major consumers in pelagic ecosystems and play a fundamental role in marine food webs.
Daniela Haro   +10 more
wiley   +1 more source

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