Results 31 to 40 of about 3,675 (198)

Baird´s tapir: predicting patterns of crop damage surrounding the Calakmul Biosphere Reserve, Campeche, Mexico

open access: yesRevista Mexicana de Biodiversidad, 2021
Baird´s tapir has been documented to cause little crop damage. However, the damage they do cause has led farmers to hunt them to prevent them from entering their fields.
Isabel Serrano-Mac-Gregor   +3 more
doaj   +1 more source

Corytophanes cristatus [PDF]

open access: yes, 2004
Number of Pages: 6Integrative BiologyGeological ...
McCranie, James R.   +2 more
core   +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

Decadal changes in environmental suitability for the margay (Leopardus wiedii) under anthropogenic pressure in the Yucatán Peninsula

open access: yesConservation Science and Practice, EarlyView.
This study evaluates how human activities impact margay (Leopardus wiedii) distribution in the Yucatán Peninsula, revealing habitat loss due to agriculture but also recolonization opportunities in abandoned lands. Species distribution models show range contraction (2010–2023), yet margays demonstrate resilience near disturbed habitats.
Jimena García‐Burgos   +4 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  

FINE ROOT PRODUCTION AND TURNOVER ALONG A FOREST SUCCESSION AFTER SLASH-AND-BURN AGRICULTURE

open access: yesTropical and Subtropical Agroecosystems
Background. Fine root production and turnover are the fundamental processes of net primary productivity in forest ecosystems. Fine root production and turnover rates can vary with the successional gradients of the forest ecosystems created by land use ...
Deb Raj Aryal   +5 more
doaj   +1 more source

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

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

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

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

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