Linking multi-temporal analysis and community consultation to evaluate the response to the impact of Hurricane Stan in coffee areas of Chiapas,Mexico |
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| Authors: | Gustavo M Cruz-Bello Hallie Eakin Helda Morales Juan F Barrera |
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| Institution: | 1.Instituto de Geografía,Universidad Nacional Autónoma de México, Circuito Exterior CU,Mexico DF CP,Mexico;2.School of Sustainability,Arizona State University,Tempe,USA;3.Departamento de Agroecología,El Colegio de la Frontera Sur,San Cristóbal de las Casas,Mexico;4.Departamento de Entomología Tropical,El Colegio de la Frontera Sur,Tapachula,Mexico |
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| Abstract: | This paper analyses the responses related to land use of coffee growers in Chiapas, Mexico to the impact of Hurricane Stan
(October 2005). A multi-temporal analysis of the effect on land cover was performed through the combination of unsupervised
classification of SPOT multispectral images and visual interpretation of panchromatic images (8 months previous to the hurricane,
and 2, 14, and 40 months after the hurricane). The information provided by this geographic analysis was interpreted in light
of information gathered though household surveys. Although the hurricane wrecked havoc across the region, the main impact
in the study area was in the riparian zones where the extent of the loss experienced in terms of coffee harvest and soil was
such that, even 14 months after the event, households with land in those areas were struggling to recover. Nevertheless, after
40 months, the zones that had suffered total soil loss began to support soil and vegetation, indicating the possibility of
replanting coffee in those areas. Although the hurricane occurred when the coffee sector was particularly fragile as a result
of the preceding several years of poor prices, the impact did not trigger extensive land use change. The surveys showed, however,
that people are now more informed of the risk of living and farming on the river margins and are now performing soil conservation
practices and planting trees to reduce risk. |
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