Krauer, Jürg; Gämperli, Ursula; Hurni, Kaspar; Fries, Matthias; Würsch, Lukas; Zeleke, Gete; Kassawmar, Tibebu; Aragie, Yohannes (2019). Ethiopia Geographic Base Map: WLRC Land Use/Land Cover 2016 (Overview Map Series) Scale: 1:250,000 [Map]. In: Thematic Reference Map Series 1:250,000. Bern: Centre for Development and Environment
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The main methodological approach implemented to map the complex landscapes of Ethiopia at the required scales for the MapServer series was the majority and minority concept of landscape segregation that translated into the HICU-based mapping (Homogenous Image Classification Units). The employ ment of such an ‘exclusion-based’ approach (e.g. sub-setting of the Landsat imagery and gradually reducing the minorities/majorities) can be considered as a breakthrough in deriving important land cover information in heterogeneous landscapes, such as the rainfed agricultural area of Ethiopia. Nevertheless, the final land cover was mapped using an approach that combined the automated HICU approach with expert knowledge and visual delimination of units. This approach made it possible to distinguish cultivated land from other land use or land cover classes. Unsurprisingly, the actual amount of cultivated land is considerably larger than that indicated by official statistics in use since the mid-1980s, when the rural population was half its current size. The team also mapped large-scale land use sy stems, inclusive of any foreign direct investments. Results of the study show there has been a considerable expansion and intensification of farming in the past three decades, unfortunately leading to more soil erosion.
Item Type: |
Audiovisual Material & Event (Map) |
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Division/Institute: |
10 Strategic Research Centers > Centre for Development and Environment (CDE) |
UniBE Contributor: |
Krauer, Jürg, Gämperli, Ursula Rita, Hurni, Kaspar, Fries, Matthias, Würsch, Lukas Franz |
Subjects: |
500 Science > 550 Earth sciences & geology |
Publisher: |
Centre for Development and Environment |
Funders: |
[97] Swiss Agency for Development and Cooperation |
Projects: |
[436] Water and Land Resource Centre Project Official URL |
Language: |
English |
Submitter: |
Ursula Gämperli Krauer |
Date Deposited: |
30 Sep 2019 12:43 |
Last Modified: |
05 Dec 2022 15:30 |
BORIS DOI: |
10.7892/boris.132938 |
URI: |
https://boris.unibe.ch/id/eprint/132938 |
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