Opinion
Effects Of Oil Spillage In Niger Delta (II)
Human impact from poor land management upstream coupled with the constant pollution of petroleum has caused five to ten per cent of mangrove forests to disappear. The volatile, quickly penetrating, and viscious properties of petroleum have wiped out large areas of vegetation. When spills occur close to and within the drainage basin, the hydrologic force of both the river and tides force spilled petroleum to move up into areas of vegetation.
The effects of petroleum spills on mangroves are known to acidify the soils, halt cellular respiration, and starve roots of vital oxygen.
An area of mangrove that has been destroyed by petroleum may be susceptible to other problems. These areas may not be suitable for any native plant growth until bacteria and micro-organisms can remediate the conditions.
The loss of mangrove forests is not only degrading life for plants and animals, but for humans as well. These systems are highly valued by the indigenous people living in the affected areas. Mangrove forests have been a major source of wood for local people. They also are important to a variety of species vital to subsistence practices for local indigenous groups, who unfortunately see little to none of the economic benefits of petroleum.
Mangroves also provide essential habitat for rare and endangered species like the manatee and pygmy hippopotamus. Poor policy decisions regarding the allocation of petroleum revenue has caused political unrest in Nigeria. This clash among governing bodies, oil conglomerates, and the people of Nigeria has resulted in sabotage to petroleum pipelines, further exacerbating the threat to mangrove forests.
It is pertinent to note that the future of the mangrove forests and other floral communities is not all negative. Local and outside groups have provided funds and labour to remediate and restore the destroyed mangrove swamps.
The Federal Government of Nigeria established the Niger Delta Development Commission (NDDC) in 2000 which aims to suppress the environmental and ecological impacts petroleum has had in the region. Governmental and non-governmental organisations have also utilised technology to identify the source and movement of petroleum spills.
The fishing industry is an essential Nigeria’s sustainability because it provides much needed protein and nutrients for people, but with the higher demand on fishing. Fish population are declining as they are been depleted faster than they are able to restore their number. Fishing needs to be limited along the Niger River and aqua cultures should be created to provide for the growing demand in the fishing industry. Aqua culture allows for fish to be farmed for production and provide more jobs for the local people in Nigeria.
Overfishing is not only the impact on marine communities. Climate change, habitat loss, and pollution are all added pressures to these important ecosystems. The banks of the Niger River are desirable and ideal locations for people to settle. The river provides water for drinking, bathing, cleaning, and fishing for both the dinner table and trading to make a profit. As the people have settled along the shores of the rivers and coasts, marine and terrestrial habitats are being lost and ecosystems are being drastically changed.
The shoreline along the Niger River is important in maintaining the temperature of the water because the slightest change in water temperature can be fatal to certain marine species. Trees and shrubs provide shade and habitat for marine species, while reducing fluctuation in water temperature.
The Niger River is an important ecosystem that needs to be protected, for it is home to 36 families and nearly 250 species of fish, of which 20 are endemic, meaning they found nowhere else on earth. With the loss of habitat and the climate getting warmer, every prevention of temperature increase is necessary to maintain some of the marine environments.
Other than restoring habitat, pollution can also be reduced. Problems such as pesticides from agricultural fields could be reduced if a natural pesticide was used, or the fields were moved farther away from the local waterways. Oil pollution can be lowered as well; if spills were reduced then habitat and environmental impacts could be minimised. Oil contamination affects the fish population and affects the farmers that rely on fishing to support their family.
By enforcing laws and holding oil companies accountable for their actions, the risk of contamination can be greatly reduced. By limiting the devastation caused by disturbances to the marine environment, such as pollution, overfishing, and habitat loss, the productivity and biodiversity of the marine ecosystems would increase.
Lastly, the Niger Delta ecosystem and biodiversity in its entirety needs to be nurtured and protected. Matters of continuous environmental degradation must be taken seriously by government and all concerned. The Nigerian government through the Federal Environmental Agency (FEPA), National Oil Spill Detection and Regulatory Agency (NOSDRA) and the Department of Petroleum Resources (DPR) should do more in holding the oil spillage and enforce stringent measures to deter such acts.
A cue should be taken from the United States. After the oil spill in the Gulf of Mexico by British Petroleum (BP) two years ago, US government was made to pay compensation to all those affected as well as to clean up the environment. It was also asked to stop further exploration and production in the Mexican Gulf.
Also, the issue of gas flaring into the atmosphere and environment by these oil companies must be reduced to the barest minimum if not completely phased out. In addition, international best practices must be applied and maintained in all their oil operation and activities within the Niger Delta.
Ayooso is Port Harcourt-based public affairs analyst.
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