Results 101 to 110 of about 2,177 (208)

Todo lo que quiso saber sobre ella y no se atrevió a preguntar: Decálogo de la lenga [PDF]

open access: yes, 2013
Domina las laderas y los bosques australes de Patagonia, muestra gran variación en respuesta a los ambientes que habita y devela su historia escondida en el ADN.Fil: Premoli Il'grande, Andrea Cecilia.
Mathiasen, Paula   +1 more
core   +1 more source

Effect of climatic factors on the growth and leaf yield of betelvine (Piper betle L.) [PDF]

open access: yes, 2016
An experiment was conducted on eight cultivars of betelvine (Piper betle L.) with an objective to study the effect of various climatic factors on growth and leaf yield of the crop for consequtive two growing seasons.
Mohanta, Hrisita, Pariari, Anupam
core   +2 more sources

Palynology and the Ecology of the New Zealand Conifers

open access: yesFrontiers in Earth Science, 2017
The New Zealand conifers (20 species of trees and shrubs in the Araucariaceae, Podocarpaceae, and Cupressaceae) are often regarded as ancient Gondwanan elements, but mostly originated much later.
Matt S. McGlone   +5 more
doaj   +1 more source

Review of Noterapion Kissinger from Chile and Argentina (Coleoptera: Apionidae) [PDF]

open access: yes, 2002
Descriptions and a key are provided for 7 South American species of Note rap ion Kissinger (2002) (type species Apion meorrhynchum Philippi and Philippi) including N. bruchi (Beguin-Billecocq), N. meorrhynchum (Philippi and Philippi), N.
Kissinger, David G.
core  

Apparent competition drives community-wide parasitism rates and changes in host abundance across ecosystem boundaries [PDF]

open access: yes, 2016
Species have strong indirect effects on others, and predicting these effects is a central challenge in ecology. Prey species sharing an enemy (predator or parasitoid) can be linked by apparent competition, but it is unknown whether this process is strong
Didham, RK   +5 more
core   +3 more sources

FLORA Y PALEOCLIMA DE LA FORMACIÓN LA MESETA (EOCENO MEDIO), ISLA MARAMBIO (SEYMOUR), ANTÁRTIDA

open access: yesPublicación Electrónica de la Asociación Paleontológica Argentina, 2015
New elements of the La Meseta Formation megaflora are described. This unit crops out on the northern third of Marambio (Seymour) Island, Antarctica. Fossil leaves were collected from the middle part of this formation, dated as middle Eocene. Although the
María A. Gandolfo   +2 more
doaj  

Limited plasticity of shoot preformation in response to light by understorey saplings of common walnut (Juglans regia) [PDF]

open access: yes, 2010
Background and aims Analysis of the variability of organogenesis and extension (two basic processes of primary growth) is needed to improve our understanding of architectural plasticity in trees.
Sabatier, Sylvie-Annabel   +1 more
core   +1 more source

Restoration of an area of the andean norther patagonian biosphere reserve: a proposal based on ecological and ethnobotanical parameters [PDF]

open access: yes, 2014
Los bosques templados del sur de Argentina están afectados por distintos factores, entre ellos, la invasión de especies exóticas, el sobrepastoreo y la explotación de especies madereras.
Molares, Soledad, Rovere, Adriana
core  

Is pollen size a robust proxy for moisture availability? [PDF]

open access: yes, 2017
The development of well-constrained palaeo-proxies that enable the reconstruction of past climate change is becoming an ever more important field of scientific enquiry within the palaeobotanical community, with the potential to deliver broader impacts ...
Jardine, Phillip E., Lomax, Barry H.
core   +2 more sources

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