Results 41 to 50 of about 175,310 (205)

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

Detección de Plesiomonas shigelloides mediante la PCR en tilapias silvestres (Oreochromis mossambicus) y cultivadas (Tetrahíbrido O. mossambicus í— O. urolepis hornorum í— o. niloticus í— O. aureus) en Venezuela

open access: yesRevista Científica, 2010
Plesiomonas shigelloides es un bacilo Gram negativo, anaerobio facultativo, móvil, que pertenece a la familia Enterobactereaceae. No forma parte de la flora normal del humano, mientras que los peces dulceacuícolas como las tilapias se tienen como su ...
Marianella Moreno   +4 more
doaj  

Panama Canal expansion and shifts in fishing practices: A social‐ecological network approach

open access: yesPeople and Nature, Volume 8, Issue 5, Page 1520-1532, May 2026.
Abstract Species introductions have spiked over the past two centuries due to globalization. These introductions impact ecosystems, but may also have long‐term implications for human communities. In one of the world's hubs for global shipping, the Panama Canal, a recent canal expansion has coincided with an increase in marine fishes entering the ...
Michelle Hübel   +10 more
wiley   +1 more source

Observations on the life history and identity of intraspecific groups of the anchoveta, Cetengraulis mysticetus, in Montijo Bay and Chiriquí Province, Panama [PDF]

open access: yes, 1963
ENGLISH: Howard and Landa (1958) and Barrett and Howard (1961) have studied the life history of the anchoveta in most of the areas where this species occurs in important quantities. The Gulf of Panama was the only area of Panama included in these studies,
Bayliff, William H.
core  

Peces Continentales

open access: yes, 2021
Fil: Liotta, Jorge. Museo Regional de Ciencias Naturales "A.
Rosso, Juan Jose, Liotta, Jorge
openaire   +1 more source

The catch of the day: The shortcomings of promoting sustainable seafood consumption in Peru

open access: yesConservation Science and Practice, Volume 8, Issue 5, May 2026.
This study investigates the meaning and application of “catch of the day” in Peru by analyzing 233 news articles and genetically testing 43 fish samples from restaurants. Results show that media frequently use the term as a vague marketing phrase, while genetic testing reveals a 60% mislabeling rate. These findings suggest that “catch of the day” lacks
Daniella Biffi   +2 more
wiley   +1 more source

Modulation-mode and power-assignment for SVD-and GMD-assisted downlink MIMO systems [PDF]

open access: yes, 2010
Multiuser multiple-input multiple-output (MIMO) downlink (DL) transmission schemes experience both multiuser interference (MUI) as well as inter-antenna interference.
Ahrens, Andreas   +2 more
core   +1 more source

Life history of Mexican species of the genus Tlaloc (Cyprinodontiformes, Profundulidae)

open access: yesTropical Zoology
Fish of the genus Tlaloc are distributed from southern Mexico to Central America and are a distinctive example of the endemic fauna of the Mesoamerican highlands, which has been scarcely studied in Mexico.
Manuel d. J. Anzueto-Calvo   +6 more
doaj   +1 more source

Validation of daily growth increments and estimation of growth rates of larval and early juvenile black skipjack, Euthynnus lineatus, using otoliths [PDF]

open access: yes, 1993
ENGLISH: Increments in otoliths (sagittae) were examined, using light and scanning electron microscopy, to determine ages and estimate growth rates of larval and early-juvenile black skipjack, Euthynnus lineatus.
Wexler, Jeanne B.
core  

Exploring ecohydrology through the lens of local fishers in the Bolivian Amazon

open access: yesEcosphere, Volume 17, Issue 4, April 2026.
Abstract The natural flow regimes of Andean‐Amazon tributaries play a vital role in sustaining their rich biodiversity and productive local fisheries, but ongoing and proposed alteration of river flow regimes by large dams threatens to negatively impact river ecosystems. Despite its importance, our understanding of how hydrologic variability influences
Lina G. Terrazas‐Villarroel   +4 more
wiley   +1 more source

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