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Land Cover Transition in Northern Tanzania
Stockholm University, Faculty of Science, Stockholm Resilience Centre. World Agroforestry Centre (ICRAF), Burkina Faso.
Stockholm University, Faculty of Science, Stockholm Resilience Centre. International Water Management Institute (IWMI), Sri Lanka.
Number of Authors: 4
2016 (English)In: Land Degradation and Development, ISSN 1085-3278, E-ISSN 1099-145X, Vol. 27, no 3, 682-692 p.Article in journal (Refereed) Published
Abstract [en]

Land conversion in sub-Saharan Africa has profound biophysical, ecological, political and social consequences for human well-being and ecosystem services. Understanding the process of land cover changes and transitions is essential for good ecosystem management policy that would lead to improved agricultural production, human well-being and ecosystems health. This study aimed to assess land cover transitions in a typical semi-arid degraded agro-ecosystems environment within the Pangani river basin in northern Tanzania. Three Landsat images spanning over 30years were used to detect random and systematic patterns of land cover transition in a landscape dominated by crop and livestock farming. Results revealed that current land cover transition is driven by a systematic process of change dominated by the following: (i) transition from degraded land to sparse bushland (108%); (ii) conversion from sparse bushland to dense bushland in lowland areas (60%); (iii) conversion from bushland to forest (48%); and (iv) conversion from dense bushland to cropland in the highlands (45%). Agricultural lands under water harvesting technology adoption show a high degree of persistence (60-80%) between time slices. This suggests that there is a trend in land-use change towards vegetation improvement in the catchment with a continuous increase in the adoption of water harvesting technologies for crop and livestock farming. This can be interpreted as a sign of agricultural intensification and vegetation regrowth in the catchment.

Place, publisher, year, edition, pages
2016. Vol. 27, no 3, 682-692 p.
Keyword [en]
agro-ecological transformation, water harvesting, land-use change, systematic transition, Tanzania
National Category
Earth and Related Environmental Sciences Agricultural Science, Forestry and Fisheries
Identifiers
URN: urn:nbn:se:su:diva-130190DOI: 10.1002/ldr.2461ISI: 000373949600021OAI: oai:DiVA.org:su-130190DiVA: diva2:926943
Available from: 2016-05-10 Created: 2016-05-09 Last updated: 2016-05-10Bibliographically approved

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Earth and Related Environmental SciencesAgricultural Science, Forestry and Fisheries

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