Results 21 to 30 of about 51,928 (125)

Distribución altitudinal de macroinvertebrados acuáticos y su relación con las variables ambientales en un sistema fluvial amazónico (Perú)

open access: yesRevista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturales, 2021
Hay pocos estudios ecológicos sobre los patrones de diversidad de los macroinvertebrados acuáticos en la Amazonía peruana, a pesar de ser esenciales para la gestión y manejo de estos ecosistemas fluviales.
Jerry Arana   +6 more
doaj   +1 more source

Comunidad de mariposas diurnas (lepidoptera:rhopalocera) en un gradiente altitudinal del cañon del rio combeima-tolima, colombia [PDF]

open access: yes, 2007
Se estudió la variación altitudinal de la composición, riqueza, diversidad y estructura de la comunidad de mariposas diurnas en un gradiente altitudinal en la cuenca del río Combeima (Juntas-Tolima, Colombia), desde los 1.800 m hasta los 3.000 m a lo ...
Camero, Édgar   +1 more
core   +1 more source

Efecto de la temperatura en la regeneración de especies leñosas del Chaco Serrano e implicancias en la distribución actual y potencial de bosques

open access: yesBoletín de la Sociedad Argentina de Botánica
 La temperatura influye sobre los límites de distribución de las especies leñosas, actuando sobre los procesos asociados con la fase regenerativa de las plantas.
Ana I. Pais Bosch   +3 more
doaj   +1 more source

Birds of the Chilí-Barragán páramo complex (Tolima, Colombia

open access: yesBiota Colombiana, 2016
The Chili-Barragan complex is one of the páramo regions of lesser extent in Central cordillera of Colombia, located mainly on Tolima department. Although some studies exist on birds associated with páramo areas of the department, there are still gaps in ...
Miguel Moreno-Palacios   +1 more
doaj   +1 more source

Artropofauna epigea del páramo Estambul (Tolima), Colombia

open access: yesBiota Colombiana, 2016
Los páramos almacenan y capturan gas carbónico atmosférico y son clave en el equilibrio del ciclo hídrico y regulación del clima regional. Dada su relevancia, en el 2013 se evaluó la fauna epigea del páramo Estambul (Tolima, Colombia), entre 3100 m a ...
Gladys Reinoso-Flórez   +2 more
doaj   +3 more sources

Lake macroinvertebrates and the altitudinal gradient in the Pyrenees / Los macroinvertebrados lacustres y el gradiente altitudinal en los Pirineos [PDF]

open access: yes, 2013
[eng] “Lake macroinvertebrates and the altitudinal gradient in the Pyrenees [Los macroinvertebrados lacustres y el gradiente altitudinal en los Pirineos]” is a thesis about freshwater macroinvertebrate communities inhabitting the littoral zone of the ...
Mendoza Barberá, Guillermo de
core   +6 more sources

Bat community assembly in the ecotone of two neotropical biodiversity hotspots is determined by environmental filtering rather than historical factors

open access: yesJournal of Animal Ecology, EarlyView.
We demonstrate that environmental filtering is the primary mechanism shaping bat communities across the Cerrado–Atlantic Forest ecotone. By integrating phylogenetic diversity, environmental gradients, and coevolutionary assembly models, our study provides new insights into the processes maintaining biodiversity in a globally important transition zone ...
Daiana Cardoso Silva   +2 more
wiley   +1 more source

Composição florística e riqueza de Monilófitas e Licófitas ao longo de gradiente altitudinal no Parque Estadual da Serra do Tabuleiro, Santa Catarina, Brasil [PDF]

open access: yes, 2014
TCC(graduação) - Universidade Federal de Santa Catarina. Centro de Ciências Biológicas. Biologia.O presente estudo teve como objetivo caracterizar e comparar a composição florística de monilófitas e licófitas ao longo de um gradiente de altitude em um ...
Carmes, Amanda Angélica
core  

The MexMAGIC population reveals the genetic architecture of traits exhibiting clinal variation in Mexican native maize

open access: yesNew Phytologist, EarlyView.
The MexMAGIC population mixes native maize varieties from across Mexico to study functional genetic diversity. Summary Defining the genetic basis of local adaptation is a key goal of evolutionary biology and crop improvement. Theory predicts that when selective pressures follow differences in the environment, a cline will be established.
Sergio Perez‐Limón   +18 more
wiley   +1 more source

Contrastive ecoacoustic indices: Large‐scale global soundscape characterization with contrastive inference

open access: yesMethods in Ecology and Evolution, Volume 17, Issue 9, Page 2663-2682, September 2026.
Abstract Ecoacoustics mainly aims at monitoring soundscapes by means of non‐invasive protocols. Despite the widespread adoption of machine and deep learning techniques, existing ecoacoustic models predominantly rely on supervised learning and, consequently, face two primary limitations: (1) the necessity of annotated data; and (2) the restriction to ...
Yann Teytaut   +7 more
wiley   +1 more source

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