Results 41 to 50 of about 3,512 (119)

Studies on Pygmy Grasshoppers: Bogotatettix Cadena‐Castañeda, García‐García & Tavares, gen. nov. (Orthoptera: Tetrigidae), a New Genus From the High Andean Forests and Páramos

open access: yesAustral Entomology, Volume 65, Issue 3, August 2026.
ABSTRACT In this contribution to the study of pygmy grasshoppers, a new genus is described, which inhabits the high Andean forests and páramos surrounding the Bogotá Savannah, Colombia. Bogotattetix Cadena‐Castañeda, García‐García & Tavares, gen. nov. includes a new species, Bogotattetix chingazaensis Cadena‐Castañeda, García‐García & Tavares, sp. nov. 
Oscar J. Cadena‐Castañeda   +4 more
wiley   +1 more source

Genetic Landscape of Hearing Loss in Brazilian Patients Reveals Population‐Specific Variants and Clinical Correlations

open access: yesClinical Genetics, Volume 110, Issue 2, Page 210-226, August 2026.
The Burden: Hearing loss (HL) is the most prevalent sensory disorder globally, affecting 1.5 million individuals in Brazil. The Gap: While > 150 genes are linked to HL, the genetic architecture in underrepresented populations like Brazil is poorly defined. The Problem: This lack of data limits diagnostic yield and the application of precision medicine.
Stella Diogo‐Cavassana   +7 more
wiley   +1 more source

Assessment of Land Cover Change in Peri-Urban High Andean Environments South of Bogotá, Colombia

open access: yesLand, 2018
Bogotá, the rapidly growing center of an emerging economy in the northern part of South America, is located within a biodiversity hotspot in the tropical Andes.
Norbert Anselm   +2 more
doaj   +1 more source

Pollinator efficiency, rather than bee decline, explains a shift to hummingbird pollination in tropical montane forests

open access: yesNew Phytologist, Volume 251, Issue 4, Page 2237-2247, August 2026.
Hummingbird pollination is a hallmark of American plant diversity and has long been thought to evolve in tropical mountains due to declining bee activity. Using sister species of Costus specialized on bees (C. kuntzei) and hummingbirds (C. wilsonii), we show that this shift is not driven by reduced bee visitation with elevation, but by greater ...
Pedro Juárez   +7 more
wiley   +1 more source

New records of extinct Icacinaceae from Paleocene rainforests of northwestern South America

open access: yesAmerican Journal of Botany, Volume 113, Issue 7, July 2026.
Abstract Premise This study describes three new records of Icacinaceae—Punctiuga bachue gen. et sp. nov., Palaeophytocrene paramoae sp. nov., and Goweria bacatana sp. nov. from the Paleocene (Selandian–Thanetian) Bogotá Formation in Colombia—improving understanding of the distribution and evolution of this family in the Neotropics.
Laura M. Puente‐Santos   +3 more
wiley   +1 more source

The artistic view of a botanist-ecologist on the landscape and flora of the Colombian páramo region

open access: yesRevista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturales
Antoine Cleef studied the vegetation of the Colombian and Ecuadorian páramo for four decades. After a brain haemorrhage in December 2018, he lost his speech and his ability to write. He learned to paint with his left hand. Photographs from his fieldwork
Antoine M. Cleef, Henry Hooghiemstra
doaj   +1 more source

Variability and Complexity of Environmental Drivers on Catchment Transit Times Across Space: A Systematic Review

open access: yesWIREs Water, Volume 13, Issue 4, July/August 2026.
Environmental drivers influence or modulate transport processes that finally determine catchment transit times. TTD represents transit time distribution; MTT is the mean transit time; and Fyw means young water fraction. ABSTRACT Catchment transit time, the time water takes to travel from precipitation to streamflow, is a key diagnostic of how ...
Xiao Shen   +3 more
wiley   +1 more source

Conectividad estructural entre los Páramos de Guacheneque y Los Cristales, complejo Rabanal-río Bogotá, Colombia

open access: yesRevista de Teledetección, 2020
La conectividad estructural es una medida del cambio espacio-temporal, que recae en el desplazamiento de las especies en el paisaje y la disponibilidad de hábitat; estas modificaciones se han documentado para ecosistemas de alta montaña en Colombia ...
Y. K. Forero-Gómez   +2 more
doaj   +1 more source

Tropical Bee Assemblage Diversity Decreases With Elevation While Body Size Increases

open access: yesBiotropica, Volume 58, Issue 4, July 2026.
Photos of bee specimens collected in the Colombian Andes across a nearly 3000 m elevational cline. They are arranged to illustrate both the decline in richness with elevation and the increase in community average body size with elevation. ABSTRACT Elevation gradients are powerful drivers of changes in species composition, richness, and functional ...
Nash E. Turley   +6 more
wiley   +1 more source

Conservation effectiveness of seven biosphere reserves in the Western Amazon

open access: yesConservation Science and Practice, Volume 8, Issue 7, July 2026.
As deforestation continues to threaten the Amazon, assessing the effectiveness of area‐based conservation strategies is critical for achieving global biodiversity targets. Using matching methods, we evaluated deforestation avoidance in seven biosphere reserves in the Western Amazon and found that most have reduced forest loss, particularly in buffer ...
Amaia Gonzaga Roa   +6 more
wiley   +1 more source

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