Results 51 to 60 of about 1,083 (208)

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

ECA involvement in Calakmul 4D GIS [PDF]

open access: yes, 2009
Calakmul 4D Gis technical review ...
Van Ruymbeke, Muriel
core  

Reconocimiento geomorfológico e hidrográfico de la Reserva de la Biosfera Calakmul, México

open access: yesInvestigaciones Geográficas, 2002
La interpretación de fotografías aéreas y la generación de un sistema de información geográfica permitió realizar el reconocimiento geomorfológico e hidrográfico de la Reserva de la Biosfera Calakmul.
Gerardo García Gil   +2 more
doaj  

Global patterns and gaps in the study of terrestrial birds and mammals' use of freshwater sources: a mapping review

open access: yesWildlife Biology, Volume 2025, Issue 5, September 2025.
Water availability strongly influences the ecology of terrestrial birds and mammals. It will likely play an increasing role as a limiting factor as climate change and human demand make water availability scarcer. However, we lack a knowledge synthesis describing our current understanding of the use of water sources, particularly for wildlife hydration.
Carlos M. Delgado‐Martínez   +3 more
wiley   +1 more source

Butterflies (Papilionoidea and Hesperioidea) of Calakmul, Campeche, Mexico [PDF]

open access: yes, 2003
We collected 423 species of diurnal butterflies (Rhopalocera) during 250 clays of observations from March 1997 through January 2000 in the region of Calakmul, Campeche, Mexico. We present a list of 428 species recorded for Calakmul.
Suarez, NS   +4 more
core  

Efecto de los subsidios agropecuarios y apoyos gubernamentales sobre la deforestación durante el período 1990-2000 en la región de Calakmul, Campeche, México

open access: yesInvestigaciones Geográficas, 2003
El trabajo analiza la influencia de los programas PROCAMPO, Crédito a la Palabra y Alianza para el Campo sobre la deforestación, así como otros factores que inciden en el proceso, en una zona aledaña a la Reserva de la Biosfera Calakmul.
Humberto Reyes Hernández   +4 more
doaj  

Population trends of jaguars in a tropical forest in southern Mexico

open access: yesConservation Science and Practice, Volume 7, Issue 8, August 2025.
Jaguar density in the largest population in Mesoamerica was similar among sexes but affected by distance from the borders. Overall, jaguars segregate in space and time, highlighting the importance of maintaining a continuous, suitable habitat to allow intraspecific interactions and persistence in the long term.
Fernando M. Contreras‐Moreno   +7 more
wiley   +1 more source

Figure 4 in Vegetation complexity and bat-plant dispersal in Calakmul, Mexico [PDF]

open access: yes, 2009
Figure 4. Unimodal (A–G) and bimodal-brief (H–J) bat-dispersed fruiting patterns in three habitats of Calakmul, Campeche, Mexico. Each sample relates to a lunar month during May 2002 to August 2003.
Interián-Sosa, Ludivina   +3 more
core   +1 more source

Migration‐induced separation: Perspectives of Ghanaian women left behind

open access: yesCanadian Geographer / Le géographe canadien, Volume 69, Issue 3, Autumn / automne 2025.
Abstract The literature on women left behind due to husbands’ migration presents mixed findings. However, studies exploring these women's interpretations of family separation due to their husbands’ geographical dislocations are limited. To fill this gap, this study examines how Ghanaian women left behind due to their husbands’ migration interpret ...
Senanu Kwasi Kutor   +1 more
wiley   +1 more source

Calakmul, la Selva de las Estelas. Piedras que hablan [PDF]

open access: yes, 2012
Calakmul, la antigua ciudad de Kaan (serpiente), se ubica dentro de una de las reservas de la Biosfera más extensa y diversa. La antigua ciudad es considerada la capital de un estado regional entre los años del 600 al 800 d.C., superpotencia política ...
Fernández, Julio (Videographer)
core  

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