Nigeria Cont. II - SS1 Geography Past Questions and Answers - page 2

Oxbow lakes in Nigeria are formed when a meandering river changes its course, leaving behind a curved, lake-like water body.

Major basins in Nigeria, like the Niger Delta Basin, have significant economic contributions through oil and gas extraction. However, they also face environmental challenges due to oil spills and ecosystem disruption.

Examples include Kainji Lake and Shiroro Dam. They are created primarily for electricity generation, water supply, and irrigation.

Environmental challenges include oil pollution, habitat destruction, and the disruption of the delicate delta ecosystem, impacting biodiversity and local communities.

Lakes provide freshwater for drinking, fishing, and aquaculture, offering livelihoods for communities. They also attract tourism, generating income and job opportunities for locals.