Ixcatec ethnoecology: plant management and biocultural heritage in Oaxaca, Mexico
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RESEARCH
Open Access
Ixcatec ethnoecology: plant management and biocultural heritage in Oaxaca, Mexico Selene Rangel-Landa1,2, Alejandro Casas1*, Erandi Rivera-Lozoya3, Ignacio Torres-García1 and Mariana Vallejo-Ramos3
Abstract Background: Studying motives of plant management allows understanding processes that originated agriculture and current forms of traditional technology innovation. Our work analyses the role of native plants in the Ixcatec subsistence, management practices, native plants biocultural importance, and motivations influencing management decisions. Cultural and ecological importance and management complexity may differ among species according with their use value and availability. We hypothesized that decreasing risk in availability of resources underlies the main motives of management, but curiosity, aesthetic, and ethical values may also be determinant. Methods: Role of plants in subsistence strategies, forms of use and management was documented through 130 semi-structured interviews and participant observation. Free listing interviews to 38 people were used to estimate the cognitive importance of species used as food, medicine, fuel, fodder, ornament and ceremonial. Species ecological importance was evaluated through sampling vegetation in 22 points. Principal Components Analysis were performed to explore the relation between management, cultural and ecological importance and estimating the biocultural importance of native species. Results: We recorded 627 useful plant species, 589 of them native. Livelihood strategies of households rely on agriculture, livestock and multiple use of forest resources. At least 400 species are managed, some of them involving artificial selection. Management complexity is the main factor reflecting the biocultural importance of plant species, and the weight of ecological importance and cultural value varied among use types. Management strategies aim to ensure resources availability, to have them closer, to embellish human spaces or satisfying ethical principles. Conclusion: Decisions about plants management are influenced by perception of risk to satisfy material needs, but immaterial principles are also important. Studying such relation is crucial for understanding past and present technological innovation processes and understand the complex process of developing biocultural legacy. Keywords: Biocultural heritage, Domestication, Ethnoecology, Tehuacán-Cuicatlán Valley, Ixcatec, Cultural value, Plant management
Background In most rural areas of Mexico, especially in those inhabited by indigenous peoples, human subsistence patterns generally involve multiple strategies. Agriculture for direct consumption of products is commonly the main activity, complemented by small scale livestock and the use of numerous forest resources destined to direct consumption * Correspondence: [email protected] 1 Instituto de Investigaciones en Ecosistemas y Sustentabilidad, UNAM, Antigua Carretera a Pátzcuaro 8711, Morelia, Michoacán 58190, Mexico Full list of author informati
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