Abstract
The potential impacts of gully erosion over South Eastern Nigeria are a worrisome scenario. It has resulted in the displacement of millions of habitats, agricultural, and economic losses. The result of the effect of Nigerian Erosion Watershed Management Project (NEWMAP) monitoring and evaluation on the effect of gully erosion on economic development in this study has revealed a positive significant influence at P < 0.05 over the study region. Also, it is revealed that NEWMAP programmes have significantly covered some constructions of hydraulic structures for flood routing and soil erosion control in South East, Nigeria. This intervention has significantly reduced the rate of land degradation occasioned by soil erosion, protection of watershed and agricultural land, which has thus been responsible for improved agricultural production. In conclusion, it is imperative to conduct periodic monitoring and evaluation of the activities of NEWMAP to building a strong evidence-based mechanism that enhances assessment of the diverse range of intervention projects on the dwellers of South-East extraction.
Highlights
Soil erosion is a serious form of land degradation
Five sub-hypotheses were developed for economic development as follows: H1a: Nigerian Erosion Watershed Management Project (NEWMAP) planning and identification does not have a significant effect on economic development of South-east Nigeria
Five sub-hypotheses were developed for social development as follows: H2a: NEWMAP planning and identification does not have a significant effect on social development of South-east Nigeria
Summary
Soil erosion is a serious form of land degradation This devastating process could be caused through air or water. Erosion contributes to environmental problems and cause damage estimated at over $100 million annually in most parts of Nigeria (NEWMAP, 2018). This is a threat to the Federal Government of Nigeria’s “Vision 202020” as it undermines the sustainable growth of the affected communities (NEWMAP, 2018). Published By: Assessment of NEWMAP Effects on Gully Erosion Control and Environmental Development over South East, Nigeria. Plate 1: Some of gully erosion devastating sites (Erosion site at Awka in Anambra State)
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