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Using a historical map as a baseline in a land-cover change study of northeast Tanzania
Stockholm University, Faculty of Social Sciences, Department of Human Geography.ORCID iD: 0000-0002-2445-2699
2009 (English)In: African Journal of Ecology, ISSN 0141-6707, E-ISSN 1365-2028, Vol. 47, no s1, 185-191 p.Article in journal (Refereed) Published
Abstract [en]

Vegetation data in an early 20th century map from northern Tanzania are presented and discussed for its potential of expanding the analytical time-frame in studies of land-use and land-cover change. The starting point is that much research on land-use and land-cover change suffers from a time-frame bias, caused by limitations in remote sensing data. At the same time, the use of historical maps as a complementary data-set is rather insignificant. Can information in historical maps be used to extend the baseline in land-use and land-cover change studies? The historical context of the vegetation data is evaluated, and as an illustration of its potential for interdisciplinary research on land-cover and ecosystems change, a section of the map is juxtaposed with a recent pollen record specifically addressing the impact of a 'large infrequent disturbance' (LID) event at the end of the 19th century. It is concluded that the vegetation data in the map are not likely to be reflecting an extreme situation due to the LID event. Finally, the historical vegetation data were visually compared with a national 1995 land-cover data set, illustrating the possibility of using the map data as a baseline in land-cover change studies.

Place, publisher, year, edition, pages
Chichester: Wiley-Blackwell, 2009. Vol. 47, no s1, 185-191 p.
Keyword [en]
historical maps, land-cover, Tanzania, vegetation history
National Category
Human Geography
URN: urn:nbn:se:su:diva-36045DOI: 10.1111/j.1365-2028.2008.01068.xISI: 000263035500028ISBN: 0141-6707OAI: diva2:288662
Available from: 2010-01-21 Created: 2010-01-21 Last updated: 2014-11-10Bibliographically approved

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Börjeson, Lowe
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