Long-term dynamics in land resource use and the driving forces in the Beressa watershed, highlands of Ethiopia

Amsalu, Aklilu; Stroosnijder, L.; Graaff, J. de

doi:10.1016/j.jenvman.2006.04.010

Cited by 173 publications

(107 citation statements)

References 13 publications

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“…The number of representative training samples for agriculture, mixed forest, pure forest, shrubland and grassland were 31, 19, 22, 7 and 25, respectively. GPS readings were taken for each sample point with an accuracy varying from 7 to 12 m. The land cover categorization scheme was based on Tso and Mather [12] and Amsalu et al [21] with some modifications (Table 1). Table 1.…”

Section: Data Collectionmentioning

confidence: 99%

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Spatial and Temporal Land Cover Changes in the Simen Mountains National Park, a World Heritage Site in Northwestern Ethiopia

et al. 2011

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Abstract:The trend of land cover (LC) and land cover change (LCC), both in time and space, was investigated at the Simen Mountains National Park (SMNP), a World Heritage Site located in northern Ethiopia, between 1984 and 2003 using Geographical Information System (GIS) and remote sensing (RS). The objective of the study was to generate spatially and temporally quantified information on land cover dynamics, providing the basis for policy/decision makers and resource managers to facilitate biodiversity conservation, including wild animals. Two satellite images (Landsat TM of 1984 and Landsat ETM+ of 2003) were acquired and supervised classification was used to categorize LC types. Ground Control Points were obtained in field condition for georeferencing and accuracy assessment. The results showed an increase in the areas of pure forest (Erica species dominated) and shrubland but a decrease in the area of agricultural land over the 20 years. The overall accuracy and the Kappa value of classification results were 88 and 85%, respectively. The spatial setting of the LC classes was heterogeneous and resulted from the biophysical nature of SMNP and anthropogenic activities. Further studies are suggested to evaluate the existing LC and LCC in connection with wildlife habitat, conservation and management of SMNP. OPEN ACCESSRemote Sens. 2011, 3 753

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Section: Data Collectionmentioning

confidence: 99%

“…Dark to grey color in the Landsat image (4, 3 and 2 color composition), unless the land lies fallow [18,21] Grassland/Pasture Land under permanent pasture and grassland, grassland mixed with Lobelia species. Homogeneous, no pattern compared to agricultural land [18] …”

Section: Agricultural Land /Cultivationmentioning

confidence: 99%

Spatial and Temporal Land Cover Changes in the Simen Mountains National Park, a World Heritage Site in Northwestern Ethiopia

et al. 2011

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“…However, human activities have accelerated natural erosion rates causing onand off-site problems with soil degradation and sediment accumulation on undesirable locations (reservoirs, rivers, etc.) (Zeleke, 2000;Morgan, 2005;Amsalu et al, 2007;Mekonnen and Melesse, 2011). Human induced off-site sedimentation is the product of on-site soil erosion resulting either from point sources like mining and construction sites or non-point sources such as from agricultural areas and grazing lands.…”

Section: Introductionmentioning

confidence: 99%

Evaluating sediment storage dams: structural off-site sediment trapping measures in northwest Ethiopia

Mekonnen

Keesstra

Baartman

et al. 2015

CIG

123

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ABSTRACT. Reservoir and lake sedimentation is a vital problem in Ethiopia. Constructing small and medium size dams at the outlets of sub-catchments within a larger catchment helps to reduce the transport of sediment downstream to reservoirs or lakes. This study assessed the sediment trapping efficacy (STE) of sediment storage dams (SSDsKey words: sediment storage dams, sediment trapping efficacy, off-site sediment trapping measures, sediment yield, Ethiopia. Palabras clave: presas de almacenamiento de sedimento, eficacia en la captación de sedimento, medidas de captación de sedimento, producción de sedimento, Etiopía.

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“…LU/LC dynamics including forest cover change is one of the major environmental problems in Ethiopia. In relation to this, recent studies showed that land cover change is brutal and there has been agricultural land size expansion at the expense of natural vegetation cover lands and marginal areas without any appropriate conservation measures [4][5][6]. LU/LC change studies have become one of the major issues for environmental change monitoring and natural resource management [3].…”

Section: Introductionmentioning

confidence: 99%

Land Use/Land Cover Dynamics in Hulet Wogedamea Kebele, Northern Ethiopia

Gashaw¹,

Dinkayoh

2015

Current Research in Agricultural Sciences

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Long-term dynamics in land resource use and the driving forces in the Beressa watershed, highlands of Ethiopia

Cited by 173 publications

References 13 publications

Spatial and Temporal Land Cover Changes in the Simen Mountains National Park, a World Heritage Site in Northwestern Ethiopia

Spatial and Temporal Land Cover Changes in the Simen Mountains National Park, a World Heritage Site in Northwestern Ethiopia

Evaluating sediment storage dams: structural off-site sediment trapping measures in northwest Ethiopia

Land Use/Land Cover Dynamics in Hulet Wogedamea Kebele, Northern Ethiopia

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