2016
DOI: 10.3844/ajessp.2016.248.259
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Long-Term Changes in Mangrove Landscape of the Niger River Delta, Nigeria

Abstract: Abstract:The Niger Delta mangrove is the third largest in the world and the largest in Africa. Since the 1960s oil and gas exploration has become an important economic activity, resulting in significant alteration of the landscape via pollution, urbanization and invasion. Landsat images of six different years (1984, 1986, 2000, 2003, 2005 and 2007) were used to determine land cover across 3, 700 km 2 . Landscape was segregated between areas with oil and gas exploration and those without. Two forest types were… Show more

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Cited by 25 publications
(16 citation statements)
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“…The palms were originally not a threat to the mangroves, but within the last 30 years due to unabated anthropogenic activities they have become a major threat to mangroves after hydrocarbon pollution [35]. They have currently displaced 5% of the entire mangrove forest in the last 20 years [35] caused mainly by oil and gas exploration, urbanization and deforestation [36], which had opened up the forest to further exploitation. Despite the impacts of the aforementioned factors, mangroves are still resilient to environmental perturbations [37] and have robust growth in the Niger Delta.…”
Section: Threats To Niger Delta Mangrovesmentioning
confidence: 99%
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“…The palms were originally not a threat to the mangroves, but within the last 30 years due to unabated anthropogenic activities they have become a major threat to mangroves after hydrocarbon pollution [35]. They have currently displaced 5% of the entire mangrove forest in the last 20 years [35] caused mainly by oil and gas exploration, urbanization and deforestation [36], which had opened up the forest to further exploitation. Despite the impacts of the aforementioned factors, mangroves are still resilient to environmental perturbations [37] and have robust growth in the Niger Delta.…”
Section: Threats To Niger Delta Mangrovesmentioning
confidence: 99%
“…A major observation during field work is that mangroves when cut never grow back rather the area from where they are cut is over taken by weeds [28] which forms gradients around the wetland soil. Oil and gas exploration also affect species composition in mangrove forests [35]. For example, industrial activities had led to a permanent change in soil and species composition, which accelerates the proliferation of weeds and other alien species.…”
Section: Mangrove Species Composition In the Niger Deltamentioning
confidence: 99%
“…The Eagle Island solid waste dumpsite is located in the Port Harcourt city local government area of Rivers state, Nigeria. Adjoining river estuaries which cut across the area connects to major oil and gas industries in the heart of the Niger Delta region and as such plays host to oil installations and heavy vessel movement for crude oil transportation [10,11]. The river is tidal and sometimes overflows; driving spilt crude and dumpsite leachates into surrounding water bodies [12,13].…”
Section: Introductionmentioning
confidence: 99%
“…Mangrove fragmentation is the process whereby large contiguous areas of mangrove forests are divided into small habitats as a result of urban development [10]. Delta, Nigeria. Mangrove Habitat Loss and the Need for the Establishment of Conservation and Protected Areas… DOI: http://dx.doi.org /10.5772/intechopen.89623 When this happens, fragmented forests become physically isolated from each other, which has a negative effect on the population dynamics of organisms in the forest (Figure 2).…”
Section: Mangrove Habitat Fragmentationmentioning
confidence: 99%