Results 81 to 90 of about 10,635 (194)

Modèles dans la composition isotopique du carbone de tourbiéres holocéniques à la Puna argentine: les implications paléo-environnementales et paléo-écologiques [PDF]

open access: yes, 2016
Este trabajo explora la viabilidad del análisis de la composición isotópica del carbono de turbas para contribuir a la caracterización del cambio climático y ambiental a lo largo del Holoceno en la Puna argentina. Presentamos treinta y un valores de δ13C
Morales, Marcelo Raul   +2 more
core   +1 more source

Tree species abundance changes at the edges of their climatic distribution: An interplay between climate change, plant traits and forest management

open access: yesJournal of Ecology, Volume 112, Issue 12, Page 2785-2797, December 2024.
Our research emphasizes the crucial impact of historical forest management in shaping the current distribution of tree species. After controlling for the effect of forest management, climate change directly influenced tree demographics, favouring species based on their traits.
Josep Padullés Cubino   +2 more
wiley   +1 more source

Estructura de la comunidad de pequeños mamíferos en un gradiente altitudinal, Reserva Río Blanco, Manizales, Caldas, Colombia

open access: yesActa Biológica Colombiana, 2004
Se estudió la estructura de la comunidad de pequeños mamíferos no voladores en tres estaciones (2.500, 3.000 y 3.500 msnm) en el gradiente altitudinal de la Reserva Río Blanco (Caldas), en la vertiente occidental de la Cordillera Central colombiana.
Bibiana Gómez Valencia   +2 more
doaj  

Avian phylogenetic and functional diversity are better conserved by land‐sparing than land‐sharing farming in lowland tropical forests

open access: yesJournal of Applied Ecology, Volume 61, Issue 10, Page 2497-2509, October 2024.
To minimise the loss of avian phylogenetic diversity and functional traits from farming in the Amazon, it is imperative to protect large blocks of undisturbed and regenerating forests. The intensification required within existing farmlands to make space for spared lands while meeting agricultural demand needs to be sustainable, avoiding long‐term ...
Giovanny Pérez   +6 more
wiley   +1 more source

Análisis del gradiente térmico en las vertientes Este y Oeste de la isla de La Palma [PDF]

open access: yes, 2015
La temperatura en la isla de La Palma, al igual que en cualquier territorio, puede presentar contrastes asociados a factores como la altitud y la orientación del relieve.
Rodríguez Hernández, David
core  

Physiological thermal niches, elevational ranges and thermal stress in dendrobatid frogs: An integrated approach

open access: yesJournal of Biogeography, Volume 51, Issue 10, Page 1880-1893, October 2024.
Abstract Aim We investigated the relationship between thermal physiology, elevational distribution and thermal stress among nine closely related dendrobatid frogs during their aquatic stage by employing an integrated approach, combining thermal physiology, environmental temperature modelling and predictive assessments of current and future exposure to ...
Pol Pintanel   +5 more
wiley   +1 more source

Comportamiento térmico en ríos mediterráneos andinos de la zona centro-sur de Chile [PDF]

open access: yes, 2013
Despite of the importance of temperature in the fluvial ecosystems, the knowledge of its spatial and temporal variability in Andean rivers is limited, thus it is necessary to clarify the relative importance of site-specific factors in controlling the ...
Araneda, Alberto   +6 more
core  

Distribución espacial del polen en un gradiente altitudinal en Michoacán, México

open access: yesRevista Mexicana de Biodiversidad, 2013
La región del Balsas considerada zona prioritaria para su conservación, debido a su alta diversificación y por la cantidad de endemismos, fue nuestra zona de estudio en la cual se examinó la relación entre la vegetación con la composición de la lluvia de
Laura Chang-Martínez   +2 more
doaj   +1 more source

Genetic diversity and species richness patterns in Baetidae (Ephemeroptera) in the Montseny Mountain range (North-East Iberian Peninsula) [PDF]

open access: yes, 2015
This study aimed to describe patterns of diversity of Baetidae (Ephemeroptera) at the ommunity and population levels within the Montseny Mountain range (North-East Iberian Peninsula).
Morante, María   +4 more
core  

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