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首页> 外文期刊>International journal of remote sensing >Use of remote sensing and GIS for improved natural resources management: case study from different agroecological zones of West Africa
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Use of remote sensing and GIS for improved natural resources management: case study from different agroecological zones of West Africa

机译：利用遥感和地理信息系统改善自然资源管理：西非不同农业生态区的案例研究

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摘要

Historical and recent aerial photograph and satellite images were analysed to study the change of land use/land cover and soil degradation in different agroecological zones of Nigeria and Benin. The sites were characterized by an expansion of farmland at the expense of forest and shrub, fallow and uncultivated land, at an increasing rate due to population growth, food demand and land scarcity. Sheet and gully erosion were the consequences of the land use intensification and have destroyed extensive areas of farmland and grazing land. Reduced agricultural and livestock production, declining revenue, as well as increased conflict from resource competition between farmers and pastoralists are expected for the future. To combat these problems, improved land use management through continuing land inventory, generating an environmental database, developing land use plans and controlling erosion through adequate soil conservation measures are recommended.
机译：分析了历史和最近的航拍照片和卫星图像，以研究尼日利亚和贝宁不同农业生态区的土地利用/土地覆被变化和土壤退化。这些地点的特点是农田扩张，但由于人口增长，粮食需求和土地稀缺，森林和灌木丛，休耕地和未耕地的损失有所增加。片层和沟壑侵蚀是土地利用集约化的后果，破坏了大片农田和牧场。预计未来农业和畜牧业产量减少，收入下降以及农民和牧民之间资源竞争带来的冲突加剧。为了解决这些问题，建议通过继续进行土地清查，建立环境数据库，制定土地使用计划并通过适当的土壤保持措施控制侵蚀来改善土地使用管理。

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  • 来源
    《International journal of remote sensing》 |2010年第24期|p.6115-6141|共27页
  • 作者

    B. JUNGE; T. ALABI; K. SONDER; S. MARCUS; R. ABAIDOO; D. CHIKOYE; K. STAHR;

  • 作者单位

    International Institute of Tropical Agriculture (IITA), PMB 5320, Oyo Road, Ibadan, Nigeria;

    International Institute of Tropical Agriculture (IITA), PMB 5320, Oyo Road, Ibadan, Nigeria;

    International Institute of Tropical Agriculture (IITA), PMB 5320, Oyo Road, Ibadan, Nigeria;

    International Institute of Tropical Agriculture (IITA), PMB 5320, Oyo Road, Ibadan, Nigeria;

    International Institute of Tropical Agriculture (IITA), PMB 5320, Oyo Road, Ibadan, Nigeria;

    International Institute of Tropical Agriculture (IITA), PMB 5320, Oyo Road, Ibadan, Nigeria;

    Institute of Soil Science and Land Evaluation, University of HohenheiM, 70593 Stuttgart, Germany;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
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