Results 41 to 50 of about 63,111,370 (204)

Three new species of eleutherodactylus (Amphibia: Leptodactylidae) from high elevations of the cordillera Central of Colombia [PDF]

open access: yes, 1996
Se describe una especie nueva del grupo de Eleutherodactylus orcesi del Páramo de los Valles (Tolima). Esta especie es muy parecida a E. simoterus pero se distingue por su tamaño (la especie nueva es la más pequeña del grupo).
Ardila Robayo, María Cristina   +2 more
core  

Gonolobus in the spotlight: History, diversity, and citizen science

open access: yesTAXON, Volume 75, Issue 5, October 2026.
Abstract Gonolobus (Apocynaceae) is a distinctive genus of climbing plants, distributed from the southern United States to Argentina. This study presents a comprehensive, integrative analysis of the genus, synthesizing its intricate taxonomic history, biogeographic patterns, and the contribution of citizen science to its modern systematics. We compiled
Leonardo O. Alvarado‐Cárdenas   +4 more
wiley   +1 more source

Especies Pioneras, Persistentes Y Ensayos De Germinación En Bosques Montanos De La Cordillera Central, Colombia

open access: yesCiencia en Desarrollo, 2020
La alta fragmentación y deterioro de los bosques montano bajo hace prioritaria su restauración ecológica, debido a esto, se requieren mecanismos que propendan a la recuperación del bosque, sobre todo en áreas prioritarias. El presente estudio pretende aportar herramientas que permitan a los restauradores tener información sobre especies nativas con ...
Jorge Alberto Sierra Escobar   +4 more
openaire   +3 more sources

A new golden frog species of the genus Diasporus (Amphibia, Eleutherodactylidae) from the Cordillera Central, western Panama [PDF]

open access: yes, 2012
We describe the frog species Diasporus citrinobapheussp. n. from the Cordillera Central of western Panama. The new species differs from all other species in its genus in coloration, disk cover and disk pad shape, skin texture, advertisement call, and ...
Köhler, Gunther   +13 more
core   +1 more source

Mapping the Crustal Thickness of the Andes Using pmP Phases Identified From Adaptive Teleseismic Array Data

open access: yesJournal of Geophysical Research: Solid Earth, Volume 131, Issue 9, September 2026.
Abstract Crustal thickness (or Moho depth) is a key parameter for many geological and geophysical models. Despite this we have a limited number of measurements, typically from seismic receiver functions, to constrain variations in crustal thickness.
Alice Blackwell   +3 more
wiley   +1 more source

Ecologia e composição briofítica de uma floresta urbana da central Cordillera de Los Andes, Colômbia / Ecology and briophytic composition of an urban forest of the central Cordillera de Los Andes, Colombia

open access: yesBrazilian Journal of Animal and Environmental Research, 2021
El estudio de los briofitos que habitan en ambientes urbanos resulta ser interesante. Dentro del grupo de las Briofitas predominan especies oportunistas, capaces de tolerar contaminantes y cambios ambientales drásticos. Algunos estudios sobre la brioflora urbana, reconocen la existencia de especies tolerantes a las variables ambientales y ...
José D. Quiñones   +2 more
openaire   +2 more sources

Phylogeographic Patterns of the Eigenmannia humboldtii Group Shaped by Miocene‐Pleistocene Transitions

open access: yesJournal of Biogeography, Volume 53, Issue 9, September 2026.
ABSTRACT Aim Eigenmannia is a monophyletic genus of small and medium‐sized fishes known as ‘glass knifefishes’, with a wide distribution throughout the Neotropical region and a complex taxonomic history. This study aimed to investigate the phylogenetic diversification patterns within the Eigenmannia humboldtii species group (specifically E. nigra and E.
Weverton John P. Santos   +8 more
wiley   +1 more source

Tardiglacial y holoceno del norte de la Cordillera occidental de Colombia [PDF]

open access: yes, 1999
Resumen: en el ámbito mundial, existe gran preocupación por conocer no solo los ecosistemas modernos y sus dinámicas sino también, los eventos climáticos tanto actuales como del pasado inmediato, con miras a la, predicción del clima futuro y sus posibles
Velásquez Ruiz, Cesar Augusto
core  

Systematics of Marmosa Subgenus Micoureus With Emphasis in ‘rapposa’ Group (Didelphidae, Marmosini): Geographic Variation and Revalidation of M. budini

open access: yesZoologica Scripta, Volume 55, Issue 5, Page 681-692, September 2026.
ABSTRACT Micoureus is the most species‐rich subgenus within the genus Marmosa. Conflicting arrangements regarding the number of species comprising this subgenus have been proposed and the validity of M. budini has been debated. Here, we used an approach integrating genetic and morphological data were conducted to reanalyze the ‘rapposa’ group ...
Maria Clara Santos Ribeiro   +3 more
wiley   +1 more source

Estudio de la anurofauna del municipio de Ibagué

open access: yesActa Biológica Colombiana, 2000
Colombia es considerada, en el mundo, el país más rico en especies de anfibios (Lynch, 1998). De las 4.300 especies registradas en el planeta, Colombia presenta 583 (Ruiz et al., 1996).
M. H. Bernal   +4 more
doaj  

Home - About - Disclaimer - Privacy