Results 41 to 50 of about 16,866 (201)

Perturbaciones a la vegetación nativa por grandes fuegos de 50 años atrás, en bosques Nordpatagónicos. Caso de estudio en Chile Meridional

open access: yesAnales de Geografía de la Universidad Complutense, 2008
Gran parte de los bosques de la Patagonia chilena pertenecen a formaciones pluviales siempre verdes y caducas (44º - 49º S). En este bosque estratificado y denso, predominan grandes Nothofagus, Mirtáceas, Proteáceas y coníferas.
Víctor Quintanilla Pérez
doaj  

índice de sítio diamétrico: um método alternativo para estimar a qualidade do sítio em florestas de Nothofagus obliqua E N. alpina [PDF]

open access: yes, 2016
The first step for constructing models of tree growth and yield is site quality assessment. To estimate this attribute, several methodologies are available in which site index (SI) is a standard one.
Attis Beltran, Hernan   +4 more
core   +4 more sources

Eriocóccidos (Hemiptera: Coccoidea) encontrados en la Patagonia Argentina Eriococcidae (Hemiptera: Coccoidea) found in Patagonia Argentina

open access: yesRevista de la Sociedad Entomológica Argentina, 2004
Se listan cuatro géneros y nueve especies de eriocóccidos presentes en la Patagonia argentina, sobre distintos huéspedes. Chilecoccus browni Miller & González, Chilecoccus spinossus Miller & González, Eriococcus novarinoensis Hoy, Eriococcus rhadinothrix
Patricia González
doaj  

Agrobacterium rhizogenes vs auxinic induction for in vitro rhizogenesis of Prosopis chilensis and Nothofagus alpina [PDF]

open access: yes, 2003
The induction and improvement of in vitro rhizogenesis of microshoots of Prosopis chilensis (Mol.) Stuntz and Nothofagus alpina (Poep. et Endl. Oerst.) were compared using Agrobacterium rhizogenes (Ar) versus indole-3-butyric acid (IBA) in the culture ...
Caro, Luis Alberto   +4 more
core   +1 more source

Impacts of fire severity and cattle grazing on early plant dynamics in old-growth Araucaria-Nothofagus forests

open access: yesForest Ecosystems, 2019
Background Fire has historically shaped the dynamics of Araucaria araucana-Nothofagus pumilio forests in the Andean region of South America. Nevertheless, human disturbances and stronger drought events have resulted in increased occurrence and severity ...
Paola Arroyo-Vargas   +3 more
doaj   +1 more source

Una nueva especie del género Stilobezzia del Parque Nacional Nahuel Huapi, Argentina (Diptera: Ceratopogonidae) [PDF]

open access: yes, 2012
A new species of Stilobezzia (Acanthohelea), collected in the Nothofagus forests of the Nahuel Huapi National Park (Argentina), is described, phopographed and illustrated based on the examination of  male and female adults.
Cazorla, Carla Gisela   +1 more
core   +1 more source

Palynology, vegetation and climate of the Waikato lowlands, North Island, New Zealand, since c. 18,000 years ago [PDF]

open access: yes, 1989
The vegetational and climatic history of the Waikato lowlands during the last c. 18,000 years is inferred from the palynology of sediment cores from Lakes Rotomanuka, Rotokauri, and Okoroire.
Green, John D.   +2 more
core   +2 more sources

Synopsis of the genus Empicoris (Hemiptera: Heteroptera: Reduviidae) in Chile [PDF]

open access: yes, 2011
The species of Empicoris Wolff, 1811 recorded from Chile are listed, and an identification key for all four species is provided. New distributional records from Chile are added: E. errabundus (Say, 1832) and E.
Faundez, Eduardo Iván   +1 more
core  

Landscape heterogeneity influences on sheep habits under extensive grazing management in Southern Patagonia [PDF]

open access: yes, 2015
In Southern Patagonia, continuous grazing with fixed stocking rates in large paddocks prevails over grazing systems subjected to regular evaluations and rotational rests.
Peri, Pablo Luis
core  

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

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