What part of Nigeria is most affected by erosion?
Southeastern Nigeria
Gullies and areas exposed to erosion in Southeastern Nigeria tripled from about 1.33% (1,021 km2) in 1976 to about 3.7% (2,820 km2) in 2006 making the region the most affected region in the country.
What is the major cause of flood in Nigeria?
Nigeria’s flooding is mostly human induced and exacerbated by human-nature interactions. Poor or non-existent drainage systems are a major cause of flooding. Many residential areas have no drainage system and rely on natural drainage channels.
Which part of Nigeria is most at risk from gully erosion?
south-eastern
Gully erosion, the most impressive and striking erosion type, has been recognized as one of the major global environmental problems. Many States in Nigeria are currently under the threats of this phenomenal process, south-eastern part of the country being the most affected.
What are the causes of erosion in Nigeria?
From these studies, the major causes of soil erosion across Nigeria are mainly human activities, climatic factors (rainfall), inherent geology, undulating topography, and soil nature while control measures such as provision of vegetative cover, proper soil and water conservation practices, use of adequate crop …
What is erosion Nigeria?
Soil erosion – which is simply a systematic removal of soil, including plant nutrients, from the land surface by the various agents of denudation occurs in several parts of Nigeria under different geological, climatic and soil conditions.
What type of erosion is common in the northern parts of Nigeria?
Gully erosion
Gully erosion spreading across northern Nigeria.
What is the main natural cause of floods?
Floods are the most frequent type of natural disaster and occur when an overflow of water submerges land that is usually dry. Floods are often caused by heavy rainfall, rapid snowmelt or a storm surge from a tropical cyclone or tsunami in coastal areas.
How can we prevent flooding in Nigeria?
Some of the measures include building of dams, Wing Dykes, Diversion Spillways, Afforestation and Artificial Levee: Dams are the classic hard engineering solution to flooding problems. A dam is a giant wall built across a river’s channel to impede its flow.
What type of erosion is common in the southern parts of Nigeria?
gully erosion types
Ofomata [1] indicated that gully erosion types are the most visible forms of erosion in Nigeria mainly because of the remarkable impression they leave on the surface of the earth.
What is the process of water erosion?
Water erosion is the detachment and removal of soil material by water. The process may be natural or accelerated by human activity. The rate of erosion may be very slow to very rapid, depending on the soil, the local landscape, and weather conditions. Water erosion wears away the earth’s surface.
What type of erosion is common in the southern part of Nigeria?
What is the World Bank doing about Nigeria’s erosion problem?
Since September 2013, Nigeria’s federal government has been receiving support from the World Bank to carry out remedial measures in erosion-affected states under the eight-year, $500-million Nigeria Erosion and Watershed Management Project. But much more work remains to be done.
Is Lagos prone to flooding?
Residents of Lagos are known for their social life. In very recent times Lagos has been having issues of flooding despite the fact that it has several underground drainage network. Urban flash flood associated with torrential rainfall is the major type of flood in Lagos.
Is gully erosion a threat to Nigeria?
Gully erosion, the most impressive and striking erosion type, has been recognized as one of the major global environmental problems. Many States in Nigeria are currently under the threats of this phenomenal process, south-eastern part of the country being the most affected.
Can Nigeria declare a state of emergency on erosion?
In October 2019, Nigeria’s minister of state for the environment, Sharon Ikeazor, said federal authorities could declare a state of emergency on erosion. “The major challenge now is how to stop other areas from being taken away while we fight to recover areas that are severely damaged,” said erosion expert Opara.