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Linking pattern to process: intensity analysis of land-change dynamics in Ghana as correlated to past socioeconomic and policy contexts

Manzoor, Syed Amir, Griffiths, Geoffrey Hugh, Robinson, Elizabeth ORCID: 0000-0002-4950-0183, Shoyama, Kikuko and Lukac, Martin (2022) Linking pattern to process: intensity analysis of land-change dynamics in Ghana as correlated to past socioeconomic and policy contexts. Land, 11 (7). ISSN 2073-445X

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Identification Number: 10.3390/land11071070

Abstract

Spatio-temporal analysis of transitions in land cover is critical to understanding many ecological challenges, especially in environmentally vulnerable regions. For instance, in Sub-Saharan Africa, large-scale cropland expansion is expected due to the increasing demand for fuel, food, and fibre. Clearing land for cropland expansion is a driving factor in the degradation of natural ecosystems. We present a spatio-temporal analysis of land-cover change in Ghana’s Northern, Upper East, and Upper West provinces using Intensity Analysis on the periods from 1992 to 2003 and 2003 to 2015. The objectives of this study were to determine whether the intensity of land-use and land-cover (LULC) change is consistent between the two periods and to investigate the direction and extent of change for different LULC categories in northern Ghana. The methodology measures land-cover changes at the interval, category, and transition levels. The results suggest that the annual rate of land change was higher between 1992 and 2003 compared to that between 2003 and 2015. Furthermore, the category-level analysis reveals that the gains in the arable land and tree/forest-cover classes during both time intervals were higher than the uniform intensity. The transition-level analysis results indicate that most of the gains in arable land and tree/forest-cover came at the cost of semi-arid shrublands during both periods. There is also evidence of local increases in forest-cover, likely linked to afforestation policies established by the Ghanian government; however, overall, there has been a loss of natural habitat. The study provides data to improve our understanding of the magnitude and direction of land-cover change, essential for the development of policies designed to mitigate the impact of land-cover change on the livelihoods of local people and the environment at the national and sub-national levels.

Item Type: Article
Official URL: https://www.mdpi.com/journal/land
Additional Information: © 2022 The Author(s).
Divisions: Grantham Research Institute
Subjects: H Social Sciences > HD Industries. Land use. Labor
G Geography. Anthropology. Recreation > GE Environmental Sciences
Date Deposited: 30 Sep 2022 13:36
Last Modified: 08 Apr 2024 04:03
URI: http://eprints.lse.ac.uk/id/eprint/116863

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