Local Knowledge and Economic Realities Affecting Soil Erosion in the Rach Rat Catchment, Vietnam
Identifieur interne : 000987 ( Main/Merge ); précédent : 000986; suivant : 000988Local Knowledge and Economic Realities Affecting Soil Erosion in the Rach Rat Catchment, Vietnam
Auteurs : Dao Kim Nguyen Thuy Binh [Viêt Nam] ; Le T. V. Phuong [Viêt Nam] ; Ian Douglas [Royaume-Uni] ; Nguyen Van De [Viêt Nam] ; Julia Mcmorrow [Royaume-Uni] ; Sarah Lindley [Royaume-Uni] ; Tran Thi Van [Viêt Nam] ; Le Huu Thanh [Viêt Nam] ; Nguyen Tho [Viêt Nam]Source :
- Geographical Research [ 1745-5863 ] ; 2008-03.
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Abstract
Several parts of Binh Phuóc Province, southern Vietnam, suffer from degraded soils and vegetation as a result of both natural erosion of weak mud rocks and sandstones and intensive human activity, especially through land clearing for agriculture on unstable slopes, deforestation, and abandonment of poor farmland. The underlying cause of this land degradation has been the farming habits of migrants of varying ethnic groups who have settled in the area since 1980. The indigenous farming knowledge of these people and the role of that knowledge in soil erosion were examined by a series of household surveys. They enabled farming practices to be related to ground cover established from a 2002 Landsat 7 ETM (Enhanced Thematic Mapper), and erosion data from a series of erosion bridge measurements. A GIS (Geographical Information System) approach was piloted as a means of identifying areas vulnerable to erosion. This could then be combined with the understanding of farming practices to reveal the relative roles of farmer behaviour, crop cover, and slope and soil characteristics in the erosion process. Land use, local people's knowledge and economic realities are the main factors, as well as natural conditions, that drive this land degradation.
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DOI: 10.1111/j.1745-5871.2007.00488.x
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practices</term><term>land use</term><term>soil erosion</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Several parts of Binh Phuóc Province, southern Vietnam, suffer from degraded soils and vegetation as a result of both natural erosion of weak mud rocks and sandstones and intensive human activity, especially through land clearing for agriculture on unstable slopes, deforestation, and abandonment of poor farmland. The underlying cause of this land degradation has been the farming habits of migrants of varying ethnic groups who have settled in the area since 1980. The indigenous farming knowledge of these people and the role of that knowledge in soil erosion were examined by a series of household surveys. They enabled farming practices to be related to ground cover established from a 2002 Landsat 7 ETM (Enhanced Thematic Mapper), and erosion data from a series of erosion bridge measurements. A GIS (Geographical Information System) approach was piloted as a means of identifying areas vulnerable to erosion. This could then be combined with the understanding of farming practices to reveal the relative roles of farmer behaviour, crop cover, and slope and soil characteristics in the erosion process. Land use, local people's knowledge and economic realities are the main factors, as well as natural conditions, that drive this land degradation.</div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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