Results 31 to 40 of about 3,649 (199)

Study of cutaneous leishmaniasis in the State of Campeche (Yucatan Peninsula), Mexico, over a period of two year

open access: yesSalud Pública de México, 2015
Objective. To study cutaneous leishmaniasis (CL), in the Calakmul municipality of the Campeche State, during two years. Materials and methods. Individuals with skin lesions were evaluated. Aspirates taken from the lesions were cultured, PCR was performed
Mirsha Pamela Hernández-Rivera   +6 more
doaj   +1 more source

Microfacial Analyses on the Building Stones of the Maya Site of Calakmul

open access: yesEnvironmental Earth Sciences, 2023
Abstract This article focuses on the petrographic and microfacial characterization of the building stones, buildings, monuments, and quarries of the archeological site of Calakmul to document aspects of composition, lithologies, and stone exploitation.
Claudia Araceli García-Solís   +3 more
openaire   +1 more source

Interrupción de los estudios universitarios en mujeres indígenas de Calakmul: violencias epistémicas en espacios de reciente colonización

open access: yesRevista Pueblos y Fronteras Digital
Desde un enfoque decolonial, en este artículo se analiza la interrupción de los estudios universitarios en jóvenes mujeres indígenas originarias del municipio de Calakmul (Campeche, México).
Landy Edith Rafael Riveros   +2 more
doaj   +1 more source

Interference competition between Pecari tajacu and Odocoileus virginianus

open access: yesMammalogy Notes, 2022
Sympatric species, having similar requirements, tend to compete for resources, especially in places where these are limited. Through monitoring with camera traps in waterholes in the Calakmul Region, two competition events were recorded due to ...
Khiavett Sánchez-Pinzón   +1 more
doaj   +1 more source

Use of species’ responses to cryptic anthropogenic disturbances for monitoring biodiversity outcomes in tropical forests

open access: yesConservation Biology, EarlyView.
Abstract Measuring area‐based conservation outcomes in tropical forests is challenging due to cryptic human disturbances (e.g., hunting). As a result, comparative studies of management strategies providing quantitative outcomes remain scarce, especially in the Neotropics.
Lucy Perera‐Romero   +5 more
wiley   +1 more source

Reconstructing Prehistoric Civilizations in a New Theory of Civilizations [PDF]

open access: yes, 2003
A new mathematical theory of the oscillations of civilizations is successfully applied to Mayan, pre-historic Egyptian, sub-Saharan African (Great Zimbabwe) and prehistoric Chinese ...
Blaha, Dr. Stephen
core  

New records of jaguarundi (Herpailurus yaguaroundi) in the Selva Maya, Mexico

open access: yesRevista Colombiana de Ciencia Animal Recia
Herpailurus yagouaroundi is considered a common felid in the Americas, however, its knowledge is limited. The objective of this note is to provide data on the presence, behavior and activity patterns of this species in the Maya Forest of Mexico. Between
José M. Méndez-Tun   +10 more
doaj   +1 more source

Registros recientes de Neogale frenata (Carnivora: Mustelidae) mediante fototrampeo en Campeche, México

open access: yesMammalogy Notes, 2023
En México Neogale frenata se distribuye en casi todo el pais, sin embargo, la especie ha sido poco estudiada y la información sobre su historia natural es relativamente escasa. Reportamos cuatro nuevos registros de N.
Daniel Jesús-Espinosa   +6 more
doaj   +1 more source

Spatial Representativeness of MexFlux as a Regional FLUXNET Network

open access: yesJournal of Geophysical Research: Biogeosciences, Volume 130, Issue 12, December 2025.
Abstract Environmental observatory networks are fundamental in advancing scientific understanding of biogeochemical processes. FLUXNET is a global network of regional eddy covariance networks that measure ecosystem‐scale exchanges of greenhouse gases (e.g., CO2, CH4, H2O) and energy between the biosphere and the atmosphere.
Rodrigo Vargas   +21 more
wiley   +1 more source

Standardizing Visualization in Ancient Maya Lidar Research: Techniques, Challenges and Recommendations

open access: yesArchaeological Prospection, Volume 32, Issue 4, Page 967-988, October/December 2025.
ABSTRACT Airborne laser scanning (ALS, lidar) has become a key method for studying ancient Maya landscapes, offering unprecedented visibility of anthropogenic terrain modifications in densely forested environments. Despite this progress, the visualization of elevation data remains understandardized, with many researchers relying on ad hoc or ...
Žiga Kokalj
wiley   +1 more source

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