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Climbing up the hills : expansion of agriculture around the Ruma National Park, Kenya

Title data

Scharsich, Valeska ; Otieno, Dennis Ochuodho ; Bogner, Christina:
Climbing up the hills : expansion of agriculture around the Ruma National Park, Kenya.
In: International Journal of Remote Sensing. Vol. 40 (2019) Issue 17 . - pp. 6720-6736.
ISSN 0143-1161
DOI: https://doi.org/10.1080/01431161.2019.1591647

Abstract in another language

A major factor driving changes in land use and land cover (LULC) is the human population growth associated with an expanded agricultural production. In the Lambwe valley in Homabay County, Kenya, the most important reason for accelerated population growth in the last decades was the control of the tsetse fly, the biological vector of trypanosomiasis. The goal of our study is to quantify the changes of LULC in the Lambwe valley in the last 30 years, giving special attention to the Ruma National Park. We classified three Landsat images of the Lambwe valley from 1984, 2002, and 2014 by Random Forests. The Ruma National Park itself showed a diverse composition probably supported by frequent fires that lead to a short-term reduction of savanna. Nevertheless, the national park is well protected, and no profound changes could be observed. Outside the national park, agricultural area increased by about 12%, savanna and the dense forest, that used to grow at higher altitudes, decreased by about 8% and 6%, respectively. In particular, agriculture expands towards higher altitudes with steeper slopes thus leading to a larger risk of soil erosion.

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: BAYCEER151280
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Chair Ecological Modelling
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Chair Ecological Modelling > Chair Ecological Modelling - Univ.-Prof. Dr. Michael Hauhs
Research Institutions
Research Institutions > Research Centres
Research Institutions > Research Centres > Bayreuth Center of Ecology and Environmental Research- BayCEER
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences
Result of work at the UBT: Yes
DDC Subjects: 500 Science
500 Science > 550 Earth sciences, geology
Date Deposited: 29 Jan 2020 07:34
Last Modified: 30 Jan 2020 08:24
URI: https://eref.uni-bayreuth.de/id/eprint/53891