Results 21 to 30 of about 11,527 (239)

Impact of protection methods and abiotic factors on Nothofagus pumilio seedlings mortality in Torres del Paine National Park, Chile

open access: yesJournal of Forest Science, 2023
National parks (NP) are the last refugia of forests dominated by the Nothofagus species in Chile. However, frequent, careless human-caused fires are destroying these forests even within the national parks. After large-scale fires, N.
Martin Smola   +5 more
doaj   +1 more source

Diet of Andean Leaf-Eared Mice (Phyllotis) Living at Extreme Elevations on Atacama Volcanoes: Insights From Metagenomics, DNA Metabarcoding, and Stable Isotopes. [PDF]

open access: yesEcol Evol
On the flanks of > 6000 m Andean volcanoes that tower over the Atacama Desert, leaf‐eared mice (Phyllotis vaccarum) live at extreme elevations that surpass known vegetation limits. We used a combination of metagenomics, DNA metabarcoding, and stable isotope analyses to investigate the diet of mice living in these extreme environments.
Quezada-Romegialli C   +4 more
europepmc   +2 more sources

Explotación intensiva de guanaco (Lama guanicoe) durante el Holoceno tardío: nuevos aportes del sitio Zoko Andi 1 (transición pampeano-patagónica oriental, provincia de Buenos Aires)

open access: yesRevista del Museo de Antropologia, 2022
El sitio Zoko Andi 1 (curso inferior del río Colorado, provincia de Buenos Aires) es una base residencial reocupada por cazadores-recolectores durante dos momentos del Holoceno tardío, el inicial (ca. 1500-1300 años AP) y el final (ca.
Luciana Stoessel, G. Martínez
semanticscholar   +1 more source

Guanacos’ and domestic livestock’s summer diets comparison in ecotone of “Tierra del Fuego” (Argentina) [PDF]

open access: yes, 2018
At present, it is believed that the population of guanacos has increased in the “Isla Grande de Tierra del Fuego”, arising a conflict with livestock and forestry activities.
Alvarenga, Eugenia Celeste   +6 more
core   +1 more source

Dynamic of Mycobacterium avium subspecies paratuberculosis infection in a domestic-wildlife interface: domestic sheep and guanaco as reservoir community.

open access: yesTransboundary and Emerging Diseases, 2021
Natural herbivore populations have experienced uninterrupted pressures from direct and evident domestic-wildlife interactions and competition, to indirect or less obvious ones such as pathogen transmission.
P. Corti   +6 more
semanticscholar   +1 more source

Diet composition of guanacos (lama guanicoe) in corazón de la isla reserve, tierra del fuego (argentina): Seasonal utilization of nothofagus spp. [PDF]

open access: yes, 2015
El guanaco (Lama guanicoe) representa una de las especies más características de la fauna de Tierra del Fuego. En bosques ecotonales se ha documentado el daño producido por el guanaco en la regeneración de la Nothofagus pumilio (lenga). Los objetivos del
Arias, Nadia Soledad   +3 more
core   +1 more source

Density but not climate affects the population growth rate of guanacos (Lama guanicoe) (Artiodactyla, Camelidae) [v3; ref status: indexed, http://f1000r.es/4c3]

open access: yesF1000Research, 2014
We analyzed the effects of population density and climatic variables on the rate of population growth in the guanaco (Lama guanicoe), a wild camelid species in South America.
María Zubillaga   +3 more
doaj   +1 more source

The Ochodaeidae of Argentina (Coleoptera, Scarabaeoidea) [PDF]

open access: yes, 2012
The Ochodaeidae (Coleoptera: Scarabaeoidea) of Argentina are revised. Previously, two species of Ochodaeinae were known from the country, both in the genus Parochodaeus Nikolajev: P. campsognathus (Arrow) and P. cornutus (Ohaus).
Ocampo, Federico Carlos, Paulsen, M. J.
core   +6 more sources

Food preferences of guanaco (Lama guanicoe cacsilensis) and its competence with cattle in the Calipuy National Reserve, Peru

open access: yesScientia Agropecuaria, 2010
The objective of this research was to determine the degree of food competition between guanaco and livestock in Calipuy National Reserve. Vegetation cover (CV) was determined by a survey of vegetation and composition of diets using a micro histological ...
Luis Linares   +5 more
doaj   +3 more sources

Were domestic camelids present on the prehispanic South American agricultural frontier? An ancient DNA study.

open access: yesPLoS ONE, 2020
The southern boundary of prehispanic farming in South America occurs in central Mendoza Province, Argentina at approximately 34 degrees south latitude.
Cinthia Carolina Abbona   +5 more
doaj   +1 more source

Home - About - Disclaimer - Privacy