Land use/cover dynamics and their effects in the Gerado catchment, northeastern Ethiopia
Bibliographic Data
| ID | 19268104 |
|---|---|
| Authors | Legass Bahir Asmamaw (Addis Ababa University, corresponding author), A A Mohammed (0009-0005-2071-5155), Assen Mohammed (Addis Ababa University), T D Lulseged |
| Year | 2011 |
| Volume | 68 |
| Issue | 6 |
| Pages | 883-900 |
| Publication date | 2011-12-01 |
| Open Access | No |
| Type | ARTICLE |
| Venue | International Journal of Environmental Studies (JOURNAL) |
| Journal identifiers | ISSN: 0020-7233 • E-ISSN: 1026-7476 |
| Publisher | Informa UK Limited (PUBLISHER • GB) |
| DOI | 10.1080/00207233.2011.637701 |
| OpenAlex | W2039796876 |
| Language | EN |
| Citations received | 8 |
| References cited | 12 |
This paper analyses the land use/cover dynamics of land degradation through the interpretation of aerial photographs (1958 and 1980) and 2006 SPOT-5 satellite image of the Gerado catchment. Other, non-visual data were gathered from personal interview and focus group discussions conducted in 2010 and 2011 with local elders, farmers and development (agricultural extension) agents. The results identified the presence of cultivated and rural settlement land, shrubland, woodland, bare land, grassland, urban built up area and forest. Throughout the period 1958–2006, urban built-up area, forest and cultivated and rural settlement land expanded at an average rate of 6.85%, 1.85% and 0.14% per year at the expense of shrub, wood and grasslands, which declined by 0.77%, 0.21%, 0.65% per year, respectively. The land use/cover dynamics of 1958–2006 resulted in the reduction/loss of biodiversity, occurrence of high soil erosion and ramification of gullies. The triggers for these changes were population growth, land cultivation, expansion of farmland, inappropriate land management, civil war and fuel wood demand. These led to further land degradation and more food insecurity among many farming households. Land resources have to be used according to their suitability. Thus, the exposed and steep mountains of the area have to be protected from cultivation and should be re-afforested. The paper discusses other implications for management and policy formulation also
Agricultural land · Agriculture · Agroforestry · Archaeology · Desertification · Ecosystem · Geography · Land cover · Land degradation · Land use · Population · Shifting cultivation · Shrubland · Slash-and-burn · Woodland · Conservation, Biodiversity, and Resource Management · Ecology · Environmental Science · Forestry · Land Use and Ecosystem Services · Rangeland Management and Livestock Ecology
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| Citations per year | 0.57 |
|---|---|
| Citation span | 2012 - 2023 (12) |
| Highly cited | No |