Results 21 to 30 of about 3,822 (143)

Dispersal and delimitation: Phylogenomics of Connaraceae prompts revised generic delimitation in Cnestideae and reveals global biogeographic patterns

open access: yesTAXON, Volume 75, Issue 2, April 2026.
Abstract The tempo and mode of assembly of the world's most diverse, tropical floras remain poorly known. Evolutionary relationships within pantropical plant clades such as Connaraceae (Oxalidales, ca. 220 species) offer an opportunity to address this issue.
Serafin J.R. Streiff, Jurriaan M. de Vos
wiley   +1 more source

Boundaries Within the Paepalanthus chiquitensis Species Complex (Eriocaulaceae)

open access: yesFeddes Repertorium, Volume 137, Issue 1, March 2026.
ABSTRACT Four morphotypes with associated names are presented toward a more reliable circumscription of Paepalanthus chiquitensis. Morphotype I, associated with the names P. chiquitensis, P. speciosus var. bolivianus, and P. amoenus var. bolivianus, is restricted to savannas of Bolivia and western Brazil.
Marcelo Trovó
wiley   +1 more source

Propuesta para la recuperación y aprovechamiento de llantas en el municipio de Mitú – Vaupés [PDF]

open access: yes, 2017
Se presenta una propuesta para la recuperación y aprovechamiento de llantas en el municipio de mitú en el departamento de vaupés, incluye la identificación de fuentes generadoras de residuos, su cuantificación, proceso de tratamiento y transformación.A ...
Valencia Cardona, Rodolfo   +1 more
core  

The Disease Burden Estimate of Epilepsy Without Specific Cause in Colombia From 2015 to 2020

open access: yesActa Neurologica Scandinavica, Volume 2026, Issue 1, 2026.
Introduction Epilepsy is a major neurological disorder with significant health and social implications. Understanding its burden is essential for guiding public health strategies in Colombia. Objective To estimate the disease burden expressed in disability‐adjusted life years (DALYs) associated with epilepsy without a specific cause in Colombia from ...
Diana Fernanda Bejarano-Ramírez   +4 more
wiley   +1 more source

Fortalecimiento de los negocios verdes como alternativa para el postconflicto, Corporación CDA seccional Vaupés [PDF]

open access: yes, 2017
Se describe el Programa Regional de Negocios Verdes y su desarrollo en el departamento del Vapés por la corporación para el desarrollo sostenible del Norte y Oriente Amazónico CDA Seccional Vaupés en alianza con el Ministerio de Ambiente y Desarrollo ...
Caicedo Sandoval, Erica
core  

The taxonomic status of Farlowella colombiensis Retzer & Page 1997 with comments on species of the F. acus species group (Loricariidae: Loricariinae)

open access: yesJournal of Fish Biology, Volume 107, Issue 5, Page 1669-1684, November 2025.
Abstract The genus Farlowella has been historically challenging, in part due to the difficulty in defining diagnostic characters for defining and identifying the species. Farlowella colombiensis is one such example, whose diagnostic characters are based on caudal‐fin colour pattern, ventral pattern of body cover and anatomical details of the head, such
Omar Eduardo Melo‐Ortiz   +3 more
wiley   +1 more source

Evolutionary Relationships Among the Amazonian Catfish Genus Hypophthalmus Cuvier, 1829 (Siluriformes, Pimelodidae) Suggest Diversification During Plio‐Pleistocene

open access: yesZoologica Scripta, Volume 54, Issue 6, Page 840-850, November 2025.
ABSTRACT The present study evaluated the phylogenetic relationships among the six valid species of catfish of the genus Hypophthalmus, estimated the divergence times among the different taxa and assessed the processes that influenced the evolution of the group.
Bianca A. Vale   +4 more
wiley   +1 more source

Biases in Amphibian Sampling in the Amazon: Using Infrastructure and Accessibility Data to Identify Sampling Gaps

open access: yesBiotropica, Volume 57, Issue 5, September 2025.
Biogeographic knowledge of Amazonian amphibians is constrained by spatial and temporal coverage, leading to biases that affect the understanding of their diversity patterns. Using an extensive occurrence database, this study identified knowledge gaps and sampling biases linked to infrastructure and accessibility factors across the region.
Marcos Penhacek   +5 more
wiley   +1 more source

Awareness of Grammatical Variability in Language Contact: The Case of Mano and Kpelle in Guinea

open access: yesJournal of Sociolinguistics, Volume 29, Issue 4, Page 268-284, September 2025.
ABSTRACT This paper contributes to research on the awareness of grammatical variability through a study of variation in reflexivity marking in Mano under the influence of Kpelle, both indigenous languages of Guinea. The speakers of these languages are found to be sensitive to contact‐induced grammatical variation in reflexivity, which manifests via ...
Maria Khachaturyan   +2 more
wiley   +1 more source

AMAZONIA COLOMBIANA: ENTRE LA DIFERENCIA Y LA DESIGUALDAD

open access: yesNovum, 2012
La primacía del culturalismo en los debates teóricos y políticos ha re-direccionado las miradas privilegiadas hacia las reivindicaciones culturales en el marco de los multiculturalismos.
Bayron Orrego Chica
doaj  

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