Results 61 to 70 of about 3,868 (213)

L'existant et l'ayant existé. Documenter le patrimoine dans la diachronie [PDF]

open access: yes, 2012
Peer ...
Billen, Roland   +2 more
core  

The ancient Maya and the modern forest

open access: yesBiotropica, Volume 57, Issue 1, January 2025.
After the “collapse” of the ancient Maya c. 1100 years ago, forest grew back over large areas of the Maya Lowlands in Mesoamerica. The modern forest may reflect ancient Maya substrate changes and forest management practices. Based on evidence, we conclude that these legacies in the modern forest probably vary from significant to negligible across the ...
Nicholas Brokaw   +6 more
wiley   +1 more source

Detection of Filariid Infections in Mexican Primate Populations Through qPCR

open access: yesAmerican Journal of Primatology, Volume 86, Issue 12, December 2024.
Using a combination of noninvasive sampling and molecular diagnostic techniques, we detected filariae infections in wild spider monkeys and black howler monkeys across southern Mexico by screen for filariid DNA in host feces through qPCR protocols, with an overall prevalence of 26% positive cases.
Brenda Solórzano‐García   +3 more
wiley   +1 more source

Early Colonial Diet in El Japón, Xochimilco, Mexico: Examining dietary continuity through stable isotope analysis of bone collagen and bioapatite

open access: yesAmerican Journal of Biological Anthropology, Volume 184, Issue 3, July 2024.
Location of the Colonial period site of El Japón (San Gregorio Atlapulco, Mexico City). Abstract Objectives Early colonial documents from central Mesoamerica detail raising and planting of European livestock and crops alongside native ones. The extent to which Indigenous people, especially of the rural commoner class, consumed newly introduced foods is
Edgar Alarcón Tinajero   +3 more
wiley   +1 more source

Transformación de la vegetación por cambio de uso del suelo en la Reserva de la Biosfera Calakmul, Cam peche

open access: yesInvestigaciones Geográficas, 2001
The methods and techniques used to develop the vegetation and land-use map of the Calakmul Biosphere Reserve are presented. The information was processed using a Geographic Information System (GIS), generating a digital geographic database.
Geranio García Gil   +2 more
doaj   +1 more source

La ecología política en México ¿Dónde estamos y para dónde vamos? [PDF]

open access: yes, 2011
En México, cada vez es más común la inscripción de enfoques de investigación y desarrollo académico al ámbito de la ecología política. La irrupción de la ecología política como disciplina y referencia teórica es muy alentadora para quienes analizamos los
Fernanda Figueroa Díaz   +2 more
core   +1 more source

High levels of genetic variation and differentiation in wild tropical gourds provide a novel resource for cucurbit crop improvement

open access: yesPLANTS, PEOPLE, PLANET, Volume 6, Issue 4, Page 834-846, July 2024.
The genetic variation of crop wild relatives will be key for our survival, as environmental change represents an increasing global threat for agriculture and food security. Cucurbita lundelliana and Cucurbita okeechobeensis subsp. martinezii are wild relatives of cultivated squashes and pumpkins that could be used for crop improvement.
Gabriela Castellanos‐Morales   +7 more
wiley   +1 more source

Bats and Mayan temples: Bat diversity and the potential for conservation of archeological zones in Yucatan, Mexico

open access: yesBiotropica, Volume 56, Issue 4, July 2024.
The role of archeological zones in biological conservation has been highlighted because they restrict land‐use change, size, and maintenance of upstanding vegetation. We found 23 species from six families and seven guilds, representing 53% of all bat species known from the Yucatan state, including two endangered species for Mexico.
Daniela Cafaggi   +2 more
wiley   +1 more source

Hongos tremeloides (Heterobasidiomycetes) de la Reserva de la Biosfera de Calakmul, Campeche, México

open access: yesRevista Mexicana de Biodiversidad, 2012
Se registran 7 especies de hongos tremeloides de la Reserva de la Biosfera de Calakmul: Auricularia cornea Ehrenb., A. delicata (Fr.) Henn., A. mesenterica (Dicks.) Pers., Dacryopinax elegans (Berk. et M.A. Curtis) G.W. Martin, D.
Sigfrido Sierra   +5 more
doaj   +1 more source

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