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Predicting future coastal land use/cover change and associated sea-level impact on habitat quality in the Northwestern Coastline of Guinea-Bissau

dc.contributor.authorLopes, Namir Domingos Raimundo
dc.contributor.authorLi, Tianxin
dc.contributor.authorZhang, Peng
dc.contributor.authorMatomela, Nametso
dc.contributor.authorIkhumhen, Harrison Odion
dc.contributor.authorSá, Rui M.
dc.date.accessioned2023-08-22T11:22:53Z
dc.date.available2023-08-22T11:22:53Z
dc.date.issued2022-12-01
dc.description.abstractThe assessment of coastal land use/cover (LULC) change is one of the most precise techniques for detecting spatio-temporal change in the coastal system. This study, integrated Land Change Modeler, Habitat Quality Model, and Digital Shoreline Analysis System, to quantify spacio-temporal coastal LULC change and driving forces between 2000 and 2020. Combined the CA-Markov Model with Sea Level Affecting Marshes Model (SLAMM), merged local SLR data with future representative concentration pathway (RCP8.5) scenarios, and predicted future coastal LULC change and associated sea-level rise (SLR) impact on the coastal land use and habitat quality in short-, medium- and long-term. The study area had significant coastal LULC change between 2000 and 2020. The tidal flats, whose change was driven mainly by sea level, registered a total net gain of 57.93 km2 . We also observed the significant loss of developed land whose change was influenced by tidal flat with a total loss of − 75.58 km2. The tidal flat will experience a stunning net gain of 80.55 km2 between 2020 and 2060, making developed land the most negatively impacted land in the study area. The study led to the conclusion that the uncontrolled conversion of saltmarshes, mixed-forest, and mangroves into agriculture and infrastructures were the main factors affecting the coastal systems, including the faster coastal erosion and accretion observed during a 20-year period. The study also concluded that a low coastal elevation of − 1 m and a slope of less than 2◦have contributed to coastal change. Unprecedented changes will unavoidably pose a danger to coastal ecological services, socioeconomic growth, and food security. Timely efforts should be made by establishing sustainable mitigation methods to avoid the future impact.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationNamir Domingos Raimundo Lopes, Tianxin Li, Peng Zhang, Nametso Matomela, Harrison Odion Ikhumhen, Rui M. Sá, Predicting future coastal land use/cover change and associated sea-level impact on habitat quality in the Northwestern Coastline of Guinea-Bissau, Journal of Environmental Management, Volume 327, 2023, 116804, ISSN 0301-4797, https://doi.org/10.1016/j.jenvman.2022.116804. (https://www.sciencedirect.com/science/article/pii/S0301479722023775)pt_PT
dc.identifier.doi10.1016/j.jenvman.2022.116804pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.5/28149
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.relationThis study was supported by Chinese National Key Research and Development Plan (2018YFC1903206), and Malmon (European Union funded project) "Mangroves, Mangrove rice and Mangrove people (FOOD/2019/412–700).pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectRemote sensing Change analysis Driving forces Future prediction Coastal protectionpt_PT
dc.titlePredicting future coastal land use/cover change and associated sea-level impact on habitat quality in the Northwestern Coastline of Guinea-Bissaupt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.startPage116804pt_PT
oaire.citation.titleJournal of Environmental Managementpt_PT
oaire.citation.volume327pt_PT
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT

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