Results 121 to 130 of about 814,992 (234)
Counting animal populations is fundamental to understand ecological processes. Counts make it possible to estimate the size of an animal population at specific points in time, which is essential information for understanding demographic change.
Gabriel L. Zanellato +3 more
doaj +1 more source
La preocupación por impulsar un proceso de transición energética abre nuevas posibilidades de innovación y creación de mercados, lo que demanda la elaboración de políticas públicas orientadas al desarrollo de soluciones tecnológicas.
Manuel José Lugones
doaj +1 more source
Firewood as a pathway for insectintroductions. What are the risks of ant invasions in Patagonia?
Firewood can act as a long-distance dispersal vector for wood-infesting insects both within and among countries. Recently, we detected the alien carpenter ant Camponotus mus in firewood transported from central Argentina to Patagonia.
Victoria Werenkraut +4 more
doaj +1 more source
Mottramita-descloizita en un yacimiento de caolín de la zona SE de Los Menucos (prov. de Río Negro) [PDF]
A mineral of the mottramite-descloizite series from the Blanquita deposit (Los Menucos, Province of Río Negro), was studied by means of X-ray diffiraction, petrographic microscope and SEM-EDX analysis.
Maiza, Pedro +2 more
core
Helminth parasites of alien freshwater fishes in Patagonia (Argentina) [PDF]
A survey of the helminth parasites of alien freshwater fishes from Argentinean Patagonia is presented, based on samples taken from 2010 to 2017 and including previous published records.
Flores, Verónica Roxana +5 more
core +1 more source
Short Abstract The article proposes a methodological approach to analyse the links between mobility, migration, immobility and food security, and its application to a case study in Nicaragua. Abstract This article explores the links between agriculture, circular mobility, migration and food security in the Global South. It focuses on farm households in
Sandrine Fréguin‐Gresh +1 more
wiley +1 more source
ABSTRACT Pastoralism worldwide faces a complex landscape of increased pressures and exclusion. Beyond ecological and economic challenges, pastoralists suffer eroding cultural identity, limited generational renewal, and political marginalization. Yet pastoral livelihoods are increasingly recognized as stewards of sustainable futures and amongst the best
Greta Semplici, Pablo Manzano
wiley +1 more source
Multiple dinosaur egg-shell occurrence in an Upper Cretaceous nesting site from Patagonia [PDF]
The discovery of hundreds of megaloolithid-type egg-clutches (some including embryos of an indeterminate species of titanosaur sauropods) in several stratigraphical levels of the Late Cretaceous nesting site of Auca Mahuevo (Chiappe et al., 2005 ...
Chiappe, Luis M. +2 more
core +1 more source
La Equinococosis quística es endémica en la provincia de Río Negro, Argentina. Después de 30 años de control usando praziquantel en perros, la velocidad de transmisión a seres humanos y ovejas, se ha reducido significativamente, sin embargo persiste la ...
Edmundo Juan Larrieu +18 more
doaj
Morphological, cytochemical and ultrastructural aspects of blood cells in freshwater stingray species in the middle Rio Negro basin of Amazonian Brazil. [PDF]
de Oliveira AT +7 more
europepmc +1 more source

