Results 11 to 20 of about 111,600 (95)

Avaluació regional de la dinàmica recent de l'ecotò bosc subalpí-prats alpins als Pirineus [PDF]

open access: yes, 2008
[cat] El límit altitudinal del bosc, o ecotò superior bosc-prat alpí, constitueix per definició, la frontera entre l'estatge subalpí i l'estatge alpí separant, per tant, sistemes ecològics adjacents.
Batllori Presas, Enric
core   +7 more sources

Estructura y composición florística de un bosque de galería en un gradiente altitudinal en el noroeste de México [PDF]

open access: yes, 2021
El bosque de galería es un ecosistema muy exuberante que se desarrolla en los márgenes de los cuerpos de agua (arroyos, ríos, lagos, canales, etc.) y forma una franja estrecha de vegetación.
Aguirre Calderón, Oscar Alberto   +4 more
core   +1 more source

Drought sensitivity of Norway spruce is higher than that of silver fir along an altitudinal gradient in southwestern Germany [PDF]

open access: yes, 2013
For Central Europe, climate projections foresee an increase in temperature combined with decreasing summer precipitation, resulting in drier conditions during the growing season.
van der Maaten, Ernst   +4 more
core   +1 more source

Widespread phenotypic and genetic divergence along altitudinal gradients in animals [PDF]

open access: yes, 2013
Altitudinal gradients offer valuable study systems to investigate how adap- tive genetic diversity is distributed within and between natural populations and which factors promote or prevent adaptive differentiation.
J. M. Alexander   +7 more
core   +1 more source

Cytogenetic characteristics of four Gymnocalycium (Cactaceae) species along altitudinal gradients

open access: yes, 2023
Species can have broad altitudinal distributions and their characteristics may vary throughout distribution ranges. Ploidy level can vary along environmental gradients, such as altitudinal ones.
Bauk, Karen   +2 more
core   +1 more source

Sobre la distribución de tres geckos exóticos del género Hemidactylus Gray, 1825 (Squamata, Gekkonidae) y un registro inusual del lagarto nativo Gymnophthalmus speciosus (Hallowell, 1861) fuera de su intervalo altitudinal en Colombia

open access: yes, 2022
El estudio de las especies exóticas en Colombia ha sido un tema de interés en las últimas décadas debido a los efectos que estas pueden tener en la diversidad local. Los registros de especies exóticas de reptiles del género Hemidactylus se ha incrementado a partir de los datos disponibles en colecciones científicas y las observaciones en campo.
Henao-Osorio, Jose J.   +6 more
openaire   +1 more source

El género Zygia P. Browne (Leguminosae: Mimosoideae: Ingeae) en Colombia: análisis de distribución y clave actualizada para su identificación

open access: yesBiota Colombiana, 2018
Se presenta una lista de las especies del género Zygia (Leguminosae) presentes en Colombia, incluyendo un análisis de su distribución geográfica y altitudinal, así como también su distribución en las distintas regiones naturales de Colombia y las ...
Carolina Romero-Hernández
doaj   +5 more sources

Dispersal Ability Reduces Thermal Specialization and Prevents Climate‐Driven Extinctions in a Neotropical Rainforest

open access: yesGlobal Change Biology, Volume 31, Issue 8, August 2025.
We found that species with higher dispersal ability are less specialized in their temperature tolerances and more likely to persist under climate change. By analyzing more than 6 thousand species of plants, invertebrates, and vertebrates distributed in the Atlantic Rainforest, we show that more mobile species can avoid extinction by shifting locations,
Cleber J. N. Chaves   +5 more
wiley   +1 more source

Raça Crioula lageana: estudo de características de carcaça e relação entre morfologia e intervalo entre partos [PDF]

open access: yes, 2011
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências Agrárias, Programa de Pós-Graduação em Agroecossistemas, Florianópolis, 2011Foram estudadas as características quali-quantitativas da carcaça dos bovinos da raça Crioula ...
Veiga, Thiago Filipe
core  

Spatial capture‐recapture can improve environmental impact assessments for large carnivores

open access: yesEcological Solutions and Evidence, Volume 6, Issue 3, July–September 2025.
Most Environmental Impact Assessments for large carnivores rely on summary statistics or relative abundance indices, all of which ignore imperfect detection and may lead to biased and unreliable conclusions about population status and infrastructure impacts. By applying spatial capture‐recapture (SCR) models to georeferenced genetic data from wolves in
Gonçalo Ferrão da Costa   +3 more
wiley   +1 more source

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