Results 51 to 60 of about 33,339 (213)

Improvement in survivorship: The key for population recovery? [PDF]

open access: yes, 2016
In northern Patagonia, commercial harvesting of South American sea lions, Otaria flavescens, from 1920 to 1960, decimated its population abundance. Population recovery was not immediate after hunting ceased in 1962.
Crespo, Enrique Alberto   +2 more
core   +1 more source

Emergence, spread, and impact of high‐pathogenicity avian influenza H5 in wild birds and mammals of South America and Antarctica

open access: yesConservation Biology, Volume 40, Issue 1, February 2026.
Abstract The currently circulating high‐pathogenicity avian influenza (HPAI) virus of the subtype H5 causes variable illness and death in wild and domestic birds and mammals, as well as in humans. This virus evolved from the Goose/Guangdong lineage of the HPAI H5 virus, which emerged in commercial poultry in China in 1996, spilled over into wild birds,
Thijs Kuiken   +9 more
wiley   +1 more source

Development of a site fidelity index based on population capture-recapture data [PDF]

open access: yesPeerJ, 2018
Background Site fidelity is considered as an animal’s tendency to return to a previously occupied place; this is a component of animal behaviour that allows us to understand movement patterns and aspects related to the animal’s life history.
Ayelen Tschopp   +3 more
doaj   +2 more sources

Biogenic selenium nanoparticles with antifungal activity against the wood-rotting fungus Oligoporus pelliculosus

open access: yesBiotechnology Reports, 2023
Selenium nanoparticles (SeNPs) have antimicrobial and antifungal activity. SeNPs using Se resistant bacteria is a low cost and eco-friendly technology.
Micaela Pescuma   +7 more
doaj   +1 more source

High bioaccumulation of cadmium and other metals in Patagonian edible gastropods [PDF]

open access: yes, 2017
High concentrations of metals are accumulated by edible marine resources, affecting human health. Marine gastropods have been commercially captured and consumed in Argentina for decades without official regulations or studies to guarantee their safety ...
Bigatti, Gregorio   +2 more
core   +1 more source

Vulnerability of marine megafauna to global at‐sea anthropogenic threats

open access: yesConservation Biology, Volume 40, Issue 1, February 2026.
Abstract Marine megafauna species are affected by a wide range of anthropogenic threats. To evaluate the risk of such threats, species’ vulnerability to each threat must first be determined. We build on the existing threats classification scheme and ranking system of the International Union for Conservation of Nature (IUCN) Red List of Threatened ...
Michelle VanCompernolle   +309 more
wiley   +1 more source

La lucha obrera en el noreste del Chubut. Un ejercicio de periodización 1990 - 1997

open access: yesHistoria Regional, 2008
Entre 1990 y 1997, considerado como un período que comienza con la imposición de la hegemonía del capital financiero y caracterizado por el avance del conjunto del proyecto neoliberal, los trabajadores del noreste del Chubut fueron realizando diversas ...
Gonzalo Pérez Álvarez
doaj  

La Feria de pescadores artesanales en Puerto Madryn (Chubut, Argentina): Entre tradiciones, discursos y estrategias de resistencia (2003-2024)

open access: yesAntigua Matanza
Se analiza la feria de pescadores artesanales de Puerto Madryn (Chubut, Patagonia argentina) desde el concepto de discurso oculto como método de resistencia cotidiana y su transformación al discurso público, al expresarse allí demandas, preocupaciones y ...
Paula Ibarrola
doaj   +1 more source

Comportamiento a campo de Pinus ponderosa inoculado con hongos ectomicorrícicos plantado en pastizales de estepa en Patagonia Andina, Argentina [PDF]

open access: yes, 2016
Pinus ponderosa es la especie forestal más plantada en el área de ecotono de Patagonia, Argentina, sujeta a estrés hídrico y clima mediterráneo. Los hongos ectomicorrícicos forman asociaciones obligadas y mutuamente beneficiosas con P.
Barroetaveña, Carolina   +3 more
core   +2 more sources

Future Climate Change Threatens the Genetic Diversity and Distribution of Some South American Freshwater Crustaceans of the Genus Aegla

open access: yesAquatic Conservation: Marine and Freshwater Ecosystems, Volume 36, Issue 1, January 2026.
ABSTRACT Climate change significantly threatens biodiversity, particularly in freshwater ecosystems, which host many endemic and threatened species. Among them, aeglids stand out as strictly endemic, ecologically important and highly threatened crustaceans, making them a relevant model for investigating the impacts of climate change on aquatic ...
Gislaine Puli   +4 more
wiley   +1 more source

Home - About - Disclaimer - Privacy