The development of a climax vegetation in the Savannah belt of Nigeria is disturbed mainly by

The development of climax vegetation in the savannah belt of Nigeria is mainly disturbed by bush burning. This is because frequent burning of the grassland destroys the vegetation cover, which can prevent the establishment of trees and other woody plants that are characteristic of climax vegetation. Bush burning also leads to a reduction in soil nutrients, making it difficult for plants to grow. Although activities such as lumbering, mining, and animal grazing can also contribute to the disturbance of climax vegetation, they are not the main cause. Lumbering and mining, for example, involve the removal of trees and vegetation, but these activities are typically limited in scale and do not occur as frequently as bush burning. Animal grazing can also have an impact on vegetation, but it is usually managed in a way that allows for the recovery of the grassland. Therefore, it is the frequent and uncontrolled practice of bush burning that is the primary cause of disturbance to the development of climax vegetation in the savannah belt of Nigeria.