Semiarid ethnoagroforestry management: Tajos in the Sierra Gorda, Guanajuato, Mexico

Abstract Background The semi-arid environments harbor nearly 40% of biodiversity, and half of indigenous cultures of Mexico. Thousands of communities settled in these areas depend on agriculture and using wild biodiversity for their subsistence. Water, soil, and biodiversity management strategies ar...

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Main Authors: Vincent M. Hoogesteger van Dijk, Alejandro Casas, Ana Isabel Moreno-Calles
Format: Article
Language:English
Published: BMC 2017-06-01
Series:Journal of Ethnobiology and Ethnomedicine
Subjects:
Online Access:http://link.springer.com/article/10.1186/s13002-017-0162-y
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author Vincent M. Hoogesteger van Dijk
Alejandro Casas
Ana Isabel Moreno-Calles
author_facet Vincent M. Hoogesteger van Dijk
Alejandro Casas
Ana Isabel Moreno-Calles
author_sort Vincent M. Hoogesteger van Dijk
collection DOAJ
description Abstract Background The semi-arid environments harbor nearly 40% of biodiversity, and half of indigenous cultures of Mexico. Thousands of communities settled in these areas depend on agriculture and using wild biodiversity for their subsistence. Water, soil, and biodiversity management strategies are therefore crucial for people’s life. The tajos, from Sierra Gorda, are important, poorly studied, biocultural systems established in narrow, arid alluvial valleys. The systems are constructed with stone-walls for capturing sediments, gradually creating fertile soils in terraces suitable for agriculture in places where it would not be possible. We analyzed biocultural, ecological, economic and technological relevance of the artificial oasis-like tajos, hypothesizing their high capacity for maintaining agricultural and wild biodiversity while providing resources to people. Methods We conducted our research in three sections of the Mezquital-Xichú River, in three communities of Guanajuato, Mexico. Agroforestry management practices were documented through semi-structured and in-depth qualitative interviews. Vegetation composition of local forests and that maintained in tajos was sampled and compared. Results Tajos harbor high agrobiodiversity, including native varieties of maize and beans, seven secondary crops, 47 native and 25 introduced perennial plant species. Perennial plants cover on average 26.8% of the total surface of plots. Tajos provide nearly 70% of the products required by households’ subsistence and are part of their cultural identity. Conclusions Tajos are heritage of TEK and land management forms of pre-Columbian Mexican and Mediterranean agricultural techniques, adapting and integrating modern agricultural practices. Tajos are valuable biocultural systems adapted to local semiarid conditions and sources of technology for similar areas of the World.
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spelling doaj.art-a08133277c8a4fe494c7b4f4a68116712022-12-21T18:24:11ZengBMCJournal of Ethnobiology and Ethnomedicine1746-42692017-06-0113111110.1186/s13002-017-0162-ySemiarid ethnoagroforestry management: Tajos in the Sierra Gorda, Guanajuato, MexicoVincent M. Hoogesteger van Dijk0Alejandro Casas1Ana Isabel Moreno-Calles2Instituto de Investigaciones en Ecosistemas y Sustentabilidad, Universidad Nacional Autónoma de México (UNAM)Instituto de Investigaciones en Ecosistemas y Sustentabilidad, Universidad Nacional Autónoma de México (UNAM)Escuela Nacional de Estudios Superiores Unidad Morelia, Universidad Nacional Autónoma de México (UNAM)Abstract Background The semi-arid environments harbor nearly 40% of biodiversity, and half of indigenous cultures of Mexico. Thousands of communities settled in these areas depend on agriculture and using wild biodiversity for their subsistence. Water, soil, and biodiversity management strategies are therefore crucial for people’s life. The tajos, from Sierra Gorda, are important, poorly studied, biocultural systems established in narrow, arid alluvial valleys. The systems are constructed with stone-walls for capturing sediments, gradually creating fertile soils in terraces suitable for agriculture in places where it would not be possible. We analyzed biocultural, ecological, economic and technological relevance of the artificial oasis-like tajos, hypothesizing their high capacity for maintaining agricultural and wild biodiversity while providing resources to people. Methods We conducted our research in three sections of the Mezquital-Xichú River, in three communities of Guanajuato, Mexico. Agroforestry management practices were documented through semi-structured and in-depth qualitative interviews. Vegetation composition of local forests and that maintained in tajos was sampled and compared. Results Tajos harbor high agrobiodiversity, including native varieties of maize and beans, seven secondary crops, 47 native and 25 introduced perennial plant species. Perennial plants cover on average 26.8% of the total surface of plots. Tajos provide nearly 70% of the products required by households’ subsistence and are part of their cultural identity. Conclusions Tajos are heritage of TEK and land management forms of pre-Columbian Mexican and Mediterranean agricultural techniques, adapting and integrating modern agricultural practices. Tajos are valuable biocultural systems adapted to local semiarid conditions and sources of technology for similar areas of the World.http://link.springer.com/article/10.1186/s13002-017-0162-yAgrobiodiversityArid zonesBiocultural heritageMesoamericaTEK
spellingShingle Vincent M. Hoogesteger van Dijk
Alejandro Casas
Ana Isabel Moreno-Calles
Semiarid ethnoagroforestry management: Tajos in the Sierra Gorda, Guanajuato, Mexico
Journal of Ethnobiology and Ethnomedicine
Agrobiodiversity
Arid zones
Biocultural heritage
Mesoamerica
TEK
title Semiarid ethnoagroforestry management: Tajos in the Sierra Gorda, Guanajuato, Mexico
title_full Semiarid ethnoagroforestry management: Tajos in the Sierra Gorda, Guanajuato, Mexico
title_fullStr Semiarid ethnoagroforestry management: Tajos in the Sierra Gorda, Guanajuato, Mexico
title_full_unstemmed Semiarid ethnoagroforestry management: Tajos in the Sierra Gorda, Guanajuato, Mexico
title_short Semiarid ethnoagroforestry management: Tajos in the Sierra Gorda, Guanajuato, Mexico
title_sort semiarid ethnoagroforestry management tajos in the sierra gorda guanajuato mexico
topic Agrobiodiversity
Arid zones
Biocultural heritage
Mesoamerica
TEK
url http://link.springer.com/article/10.1186/s13002-017-0162-y
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