Results 71 to 80 of about 6,430,465 (229)

Arqueología de Los Toldos y El Ceibo (provincia de Santa Cruz, Argentina)

open access: yesEstudios Atacameños, 1987
Introducción Nuestras investigaciones arqueológicas en la Patagonia argentina empiezan en el año 1971. El área que estamos estudiando corresponde a la Patagonia extraandina, en la meseta central del norte de la provincia de Santa Cruz, al sur del río ...
Augusto Cardich
doaj   +1 more source

Pest‐preservation paradox among insects

open access: yesConservation Biology, EarlyView.
The pest‐preservation paradox is a non‐binary perspective that insects range from those that are harmful and requiring management on the one side, to those requiring conservation intervention on the opposite end of the spectrum. Importantly, the vast majority of insects occur somewhere in the center of the two extremes, and their position along the ...
Michael J. Samways   +3 more
wiley   +1 more source

The obsolescence of protected area categories in a polycrisis world

open access: yesConservation Biology, EarlyView.
Abstract Current global conservation models face significant limitations in addressing the global polycrisis, and the constraints of the International Union for Conservation of Nature protected area (PA) classification system are part of the issue. The principles of the new conservation paradigm—governance, equity, and interculturality—are not viable ...
Pamela Esther Degele
wiley   +1 more source

Ephemeroptera and Plecoptera biodiversity in central Patagonia, Chubut province, Argentina

open access: yesZootaxa, 2008
Aquatic insects in Central Patagonia (Andean region), Argentina, have received poor and fragmentary attention. In this paper we present the first preliminary inventory of Plecoptera and Ephemeroptera taxa for the area and include seasonal records of adult stages. We incorporate a set of environmental features for the sampling sites and biotopes as well
Pessacq, Pablo, Miserendino, Maria Laura
openaire   +3 more sources

Risk reduction, rangeland use, and the future of human–carnivore coexistence

open access: yesConservation Biology, EarlyView.
Abstract Efforts to reduce livestock losses to large carnivores are widely regarded as essential for promoting human–carnivore coexistence. Predator‐proof enclosures, compensation programs, improved livestock guarding, and real‐time predator alert systems can reduce depredation and retaliatory killing while enhancing pastoralist livelihoods.
Craig Packer
wiley   +1 more source

Areas of high risk for mammalian biodiversity and nature's contributions to people under global warming

open access: yesConservation Science and Practice, EarlyView.
Climate change has reached unprecedented levels, causing frequent extreme events like droughts and fires. These changes are driving a sharp rise in extinction risk for mammals and threatening key Nature's Contributions to People (NCP) such as clean water, air quality, and climate regulation.
Marta Cimatti   +2 more
wiley   +1 more source

New Early Jurassic gastropods from west-central Patagonia, Argentina [PDF]

open access: yes, 2012
A new gastropod fauna is reported from Chubut province of west−central Patagonia. Members of Trochoidea, Pseudo−melanoidea, Campaniloidea, and Nerinoidea are recorded from the Early Jurassic (Late Pliensbachian–Early Toarcian) of Mulanguińeu Formation ...
Ferrari, Silvia Mariel
core   +1 more source

Global Value Chain Participation and Inequality in Agro‐food Industries in the Global South

open access: yesDevelopment and Change, EarlyView.
ABSTRACT Since the 1990s, global value chains have been a central vehicle for development strategies in Global South countries, driving their integration into the global economy. Much critical scholarship has highlighted the adverse social and environmental costs, the asymmetries of power in inter‐firm relations, and the unfair distribution of benefits
Stefano Ponte, Juliane Lang
wiley   +1 more source

NUEVOS DATOS DE LA OCUPACIÓN HUMANA EN LA TRANSICIÓN BOSQUE ESTEPA EN PATAGONIA: ALERO LAS QUEMAS (COMUNA DE LAGO VERDE, XI REGIÓN DE AISÉN). NEW INFORMATION ON HUMAN SETTLEMENT IN THE FOREST STEPPE TRANSITION IN PATAGONIA: LAS QUEMAS ROCKSHELTER (LAGO VERDE DISTRICT, XI REGIÓN OF AISÉN).

open access: yesMagallania, 2006
Se presenta la caracterización del material lítico proveniente del sitio alero Las Quemas (valle del río Cisnes, Región de Aisén 44º S), además de la primera datación radiocarbónica.
César Méndez, Omar Reyes
doaj  

Assessing the impact of plantation forestry on plant biodiversity

open access: yesGlobal Ecology and Conservation, 2017
Effects of plantation forestry on biodiversity are controversially discussed in literature. While some authors stress positive effects, others tend to attribute a largely negative influence to plantations.
Andreas Ch. Braun   +5 more
doaj   +1 more source

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