Results 81 to 90 of about 45,414 (251)

Distribution extension in Colombia and new records for Brazil of Micrurus isozonus (Cope, 1860) (Squamata, Serpentes, Elapidae) [PDF]

open access: yesCheck List, 2013
Micrurus isozonus is a triadal coralsnake occurring in northern Venezuela, eastern Colombia, southern Guyana, and in the extreme northern Brazil. In this paper we firstly publish vouchers to Brazil, and report additional records from three localities in ...
Darlan Feitosa   +3 more
doaj   +3 more sources

Rickettsiales in South America: A Systematic Review of Their Molecular Detection and Distribution in Arthropods and Vertebrates

open access: yesPublic Health Challenges, Volume 5, Issue 2, June 2026.
ABSTRACT Bacteria of the order Rickettsiales comprise a diverse group of obligate intracellular microorganisms that are globally distributed and highly prevalent in tropical and subtropical regions. In South America, these bacteria have been associated with arthropod vectors, such as ticks, fleas, mites, lice, and certain dipterans, as well as with a ...
Cristian J. Zamorano‐Gómez   +3 more
wiley   +1 more source

A redescription of Anomaloglossus praderioi (La Marca, 1998) (Anura: Aromobatidae: Anomaloglossinae), with description of its tadpole and call

open access: yesPapéis Avulsos de Zoologia, 2010
Anomaloglossus praderioi was originally described as Colostethus praderioi by E. La Marca in 1998 on the basis of two male specimens. The present paper provides a redescription of the species on the basis of new material from Maringma Tepui in Guyana and
Philippe J.R. Kok
doaj   +1 more source

The beetles of St. Lucia, Lesser Antilles (Insecta: Coleoptera): diversity and distributions [PDF]

open access: yes, 2009
The published beetle fauna of the island of St. Lucia is summarized. It contains 135 genera, and 175 species in 25 families. Four species are accidentally introduced by human activities. Twenty three species are endemic (restricted) to the island. Twenty
Peck, Stewart B.
core   +1 more source

Exiled From Their Own Lands: Indigenist Policies, Oil, and Colonial Plunder in 20th Century Venezuela

open access: yesThe Journal of Latin American and Caribbean Anthropology, Volume 31, Issue 2, June 2026.
ABSTRACT This article examines the historical displacement of Indigenous peoples in Venezuela, focusing on the links between indigenist policies and the exploitation of natural resources, particularly oil, throughout the 20th century. Using a combined historical and ethnographic approach, it demonstrates how the formation of the Venezuelan nation‐state
Gabriel Tardelli
wiley   +1 more source

Trafficking in Persons in Latin America and the Caribbean [PDF]

open access: yes, 2008
[Excerpt] Trafficking in persons (TIP) for the purpose of exploitation is a lucrative criminal activity that is of major concern to the United States and the international community. According to the most recent U.S.
Ribando Seelke, Clare
core   +8 more sources

How multilingual is scholarly communication? Mapping the global distribution of languages in publications and citations

open access: yesJournal of the Association for Information Science and Technology, Volume 77, Issue 5, Page 699-713, May 2026.
Abstract Language is a major source of systemic inequities in science, particularly among scholars whose first language is not English. Studies have examined scientists' linguistic practices in specific contexts; few, however, have provided a global analysis of multilingualism in science. Using two major bibliometric databases (OpenAlex and Dimensions),
Carolina Pradier   +2 more
wiley   +1 more source

Soft Tissue Sarcoma Burden and Research Productivity: Global Patterns and Disparities, 1990–2021

open access: yesHealth Science Reports, Volume 9, Issue 5, May 2026.
ABSTRACT Background Soft tissue sarcoma (STS) is a rare and diverse type of cancer, with a disproportionate incidence and limited global epidemiological studies. This study aims to analyze the long‐term trends and epidemiological features of the global burden of STS from 1990 to 2021 and to reveal the global research productivity on STS.
Hongjie Pan   +8 more
wiley   +1 more source

Height-diameter allometry of tropical forest trees [PDF]

open access: yes, 2011
Tropical tree height-diameter (H:D) relationships may vary by forest type and region making large-scale estimates of above-ground biomass subject to bias if they ignore these differences in stem allometry.
Affum-Baffoe, K.   +23 more
core   +1 more source

Melanosuchus, M. niger [PDF]

open access: yes, 1991
Number of Pages: 4Integrative BiologyGeological ...
Vasquez, Pedro G.
core   +1 more source

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