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Mapping Land Use Land Cover Transitions at Different Spatiotemporal Scales in West Africa

1
State Key Laboratory of Remote Sensing Science, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100101, China
2
University of Chinese Academy of Sciences, Olympic Campus, Beijing, 100101, China
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Delft University of Technology, Faculty of Civil Engineering and Geosciences, Stevin Weg 1, 2825 CN Delft, The Netherlands
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Key Laboratory for Geographical Process Analysis & Simulation of Hubei Province, College of Urban and Environmental Sciences, Central China Normal University, Wuhan 430079, China
*
Author to whom correspondence should be addressed.
Sustainability 2020, 12(20), 8565; https://doi.org/10.3390/su12208565
Received: 17 September 2020 / Revised: 7 October 2020 / Accepted: 12 October 2020 / Published: 16 October 2020
(This article belongs to the Section Environmental Sustainability and Applications)
Post-classification change detection was applied to examine the nature of Land Use Land Cover (LULC) transitions in West Africa in three time intervals (1975–2000, 2000–2013, and 1975–2013). Detailed analyses at hotspots coupled with comparison of LULC transitions in the humid and arid regions were undertaken. Climate and anthropic drivers of environmental change were disentangled by the LULC transitions analyses. The results indicated that human-managed LULC types have replaced the natural LULC types. The total vegetation cover declined by −1.6%. Massive net gains in croplands (107.8%) and settlements (140%) at the expense of natural vegetation were detected in the entire period (1975–2013). Settlements expanded in parallel with cropland, which suggests the effort to increase food production to support the increasing population. Expansion of artificial water bodies were detected in the humid regions during the period of 1975–2000. Nonetheless, shrinking of water bodies due to encroachment by wetlands and other vegetation was observed in the arid regions, coupled with net loss in the whole of West Africa. The results indicate deforestation and degradation of natural vegetation and water resources in West Africa. Underlying anthropic drivers and a combination of anthropic and climate drivers were detected. LULC transitions in West Africa are location specific and have both positive and negative implications on the environment. The transitions indicate how processes at the local level, driven by human activities, lead to changes at the continental level and may contribute to global environmental change. View Full-Text
Keywords: West Africa; arid region; humid region; LULC transitions; climate; anthropic West Africa; arid region; humid region; LULC transitions; climate; anthropic
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MDPI and ACS Style

Asenso Barnieh, B.; Jia, L.; Menenti, M.; Zhou, J.; Zeng, Y. Mapping Land Use Land Cover Transitions at Different Spatiotemporal Scales in West Africa. Sustainability 2020, 12, 8565. https://doi.org/10.3390/su12208565

AMA Style

Asenso Barnieh B, Jia L, Menenti M, Zhou J, Zeng Y. Mapping Land Use Land Cover Transitions at Different Spatiotemporal Scales in West Africa. Sustainability. 2020; 12(20):8565. https://doi.org/10.3390/su12208565

Chicago/Turabian Style

Asenso Barnieh, Beatrice; Jia, Li; Menenti, Massimo; Zhou, Jie; Zeng, Yelong. 2020. "Mapping Land Use Land Cover Transitions at Different Spatiotemporal Scales in West Africa" Sustainability 12, no. 20: 8565. https://doi.org/10.3390/su12208565

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