Title

Mapping from spatial meaning: Bridging Hnãhñu (Otomi) ecological knowledge and geo-information tools

Document Type

Article

Publication Date

10-11-2019

Abstract

© 2019 The Author(s). Background: Hnãhñu (Otomi) farmers organize their experiences and ecological learning into a farmland system designed to grow food in areas of scarce water and low soil fertility. The purpose of this paper is to examine Hnãhñu concepts and categories pertaining to the farming landscape and the ecological foundations underlying the system, its management implications, and categorial organization in Huitexcalco de Morelos, Mezquital Valley, Mexico. Methods: Native terms and their links to landscape were recorded and discussed in various workshops. Open interviews and field trips with local experts were used to explain soil and water management practices that allow Hnãhñu farmers to maintain sustained yields throughout the year. We then used participatory mapping in order to explore the semantic relations of the terms with the space and its validity in the productive landscape. Results: We elicited 7 Hnãhñu language terms related to landforms, 4 related to land use categories, and 17 related to their constituent components organized in two hierarchical levels. We found that mothe as a term of land usage was followed by mothee, ñut'athee, gadñhe, or muiñhe; these primarily refer to the topographic position of the parcel and the form of access to water for irrigation. Stone barriers and earth channels represent the functional structures that are most commonly used by Hnãhñu farmers to retain soil and water. In the participatory mapping results, mothe muiñhe displayed a robust spatial link with the gullies. Identifying other landscape categories required a substantial understanding both of management practices of soil and water and forms of organization. Conclusions: This study revealed a complex system of knowledge that contributes to the continued proper management of the local landscape. The terms and their elicited meanings are key to understand the ways in which Hnãhñu farmers conceptualize and relate the reality of their landscape and its cultural meanings. Scale and perception were found to have a determining role in defining their taxonomic organization, semantic structure, and relations in space.

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