Results 21 to 30 of about 243,680 (279)

Pomegranate transplant stress can be ameliorated by rhizophagus intraradices under nursery management [PDF]

open access: yes, 2018
Arbuscular mycorrhizal fungi (AMF) establish an obligate mutualistic symbiosis with many plant species, increasing the uptake of phosphorous and other low-mobile nutrients by roots.
Bompadre, Maria Josefina   +6 more
core   +1 more source

IPBES para ciudadanos: breve aproximación a la Plataforma Intergubernamental Científico-Normativa sobre Biodiversidad y Servicios Ecosistémicos

open access: yesMutis, 2020
La Plataforma Intergubernamental Científico-Normativa sobre Biodiversidad y Servicios Ecosistémicos (IPBES) un órgano multilateral de la Organización de las Naciones Unidas que busca involucrar el conocimiento científico en las decisiones políticas de ...
Albaluz Ramos Franco   +1 more
doaj   +1 more source

Deterioration of willow seeds during storage [PDF]

open access: yes, 2018
Willow (Salix spp.) seeds are able to tolerate desiccation, but differ from typical orthodox seeds in that they lose viability in a few days at room temperature, and in that the chloroplasts in embryo tissues do not dedifferentiate during maturation ...
Burrieza, Hernán Pablo   +5 more
core   +2 more sources

Biodiversidad y pobreza en Colombia: un análisis desde el enfoque institucional

open access: yesCiudad Paz-ando, 2016
La biodiversidad es crucial para la producción de bienes y servicios comercializables y no comercializables. En Colombia, la biodiversidad ha contribuido de forma importante al desarrollo económico y al alivio de la pobreza.
Cesar Augusto Ruiz Agudelo
doaj   +1 more source

The last instar larva and pupa of Ora depressa (Coleoptera: Scirtidae), a marsh beetle with underwater pupation [PDF]

open access: yes, 2018
In this contribution we describe and illustrate for the first time, detailed morphology and chaetotaxy of the last instar larva and the pupa of Ora depressa (Fabricius, 1801), and provide diagnostic characters and information on its biology.
Archangelsky, Miguel   +3 more
core   +3 more sources

¿Es relevante la biodiversidad en la decisión de visita a los parques nacionales en el Perú?

open access: yesEconomía Agraria y Recursos Naturales, 2020
El objetivo fue determinar la relevancia de la biodiversidad en la decisión de visita a seis Áreas Naturales Protegidas en el Perú. Para ello se utiliza una muestra de turistas y el modelo discreto del costo de viaje para estimar la demanda a múltiples ...
Waldemar Mercado   +3 more
doaj   +1 more source

Distribution of Oikopleura Dioica (Tunicata, Appendicularia) associated with a coastal frontal system (39°- 41°s) of the SW Atlantic ocean in the spawning area of Engraulis Anchoita anchovy [PDF]

open access: yes, 2013
Among tunicates, the small planktonic appendicularians generally comprise a significant fraction of the mesozooplankton in frontal systems. The summer 2011 distribution (vertical and spatial) of Oikopleura dioica was studied in terms of abundance ...
Capitanio, Fabiana Lia   +3 more
core   +4 more sources

Pellets recovered from stick nests and new diet items of Furnariidae (Aves: Passeriformes) [PDF]

open access: yes, 2014
This is the first record showing eleven species in seven genera of Furnariidae (Aves: Passeriformes) from Argentina that regurgitate pellets. A total of 627 nests of Furnariidae was examined, and from 84 nests (13.3%), 1,329 pellets were recovered. These
Aravena   +47 more
core   +1 more source

Pathology associated with larval Eustrongylides sp. (Nematoda: Dioctophymatoidea) infection in Galaxias maculatus (Actinopterygii: Galaxiidae) from Patagonia, Argentina [PDF]

open access: yes, 2019
Helminth infections within tissues tend to be subjected to a host response that can include encapsulation and melanization to isolate the parasite. The effectiveness of this response depends on the host species. During a survey of parasites of the native
Brugni, Norma Leonor   +2 more
core   +1 more source

An open-access platform for camera-trapping data [PDF]

open access: yes, 2018
In southern Mexico, local communities have been playing important roles in the design and collection of wildlife data through camera-trapping in community-based monitoring of biodiversity projects. However, the methods used to store the data have limited
Lavariega, Mario César
core   +3 more sources

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