Economy of Nigeria imports a significant amount of food to sustain itself. However, efforts are being made towards making the country food sufficient again. Nigeria's proven oil reserves are estimated to be ; natural gas reserves are well over . Nigeria is a member of the Organization of Petroleum Exporting Countries (OPEC). The types of crude oil exported by Nigeria are Bonny light oil, Forcados crude oil, Qua Ibo crude oil and Brass River crude oil. Poor corporate relations with indigenous communities, vandalism of oil infrastructure, severe ecological damage, and personal security problems throughout the Niger Delta oil-producing region continue to plague Nigeria's
Nun River At the turn of the century, however, the river mouth silted heavily, blocking the passage. Subsequently, traders began using the more accessible waters of the Forcados River. The Nun River is immortalised in the poetry of Gabriel Okara. His poem "The Call of the River Nun" is a nostalgic ode to the river that passes through his home. Nun River The Nun River is a river in Rivers State, Nigeria. The Nun is formed when the Niger River splits in two, forming the Nun and Forcados rivers. Upon emerging from its parent river, Niger, the Nun River flows for almost