Nigeria Expands Funding for Catchment Restoration

Nigeria’s northern states have spent the past four years building a program around the land and water that rural communities share. On November 6, the World Bank approved US$500 million in additional financing for that program, the Agro-Climatic Resilience in Semi-Arid Landscapes project, known as ACReSAL. The money gives participating governments scope to move from planning to more work on the ground. It also raises the stakes for how they choose projects and demonstrate what those projects achieve.

Work That Follows the Water

In a degraded catchment, rain can run off exposed ground quickly, carrying sediment into channels and leaving less water where crops and vegetation need it. The same storm can bring damaging flows downstream while doing little to improve the supply of water during a later dry spell. Restoring a hillside, treating an eroding channel and managing water farther downstream address different parts of that problem.

Catchment restoration starts with a plan that gives project teams a way to make those choices together. The plan can trace where runoff gathers, identify which communities and assets it affects, and guide decisions about where restoration or erosion control should come first. That sequence matters when several communities share the same drainage area. A project chosen for its immediate local benefits can leave the underlying source of sediment or flood risk upstream.

National Funding, State-Level Work

The Federal Ministry of Environment leads ACReSAL with the federal ministries responsible for water and sanitation, and agriculture and food security. The project operates across the 19 northern states and the Federal Capital Territory. That reach puts responsibilities for vegetation, drainage and farming within the same program while leaving the actual sites, contractors and land users spread across many jurisdictions.

At an October workplan review, the Nigerian project team identified procurement, financial management and environmental and social requirements as priorities for preparing the additional financing. These are practical constraints on the pace of work. A state can identify an erosion site before it has enough design detail to tender a contract. At a different site, a proposed treatment may need agreement with the people using the land before crews can begin. A workplan can make these steps visible before money is tied to a construction date.

What the Existing Record Measures

The World Bank reports that the project has introduced sustainable landscape management practices on about 550,000 hectares since 2022 and reached more than 4.4 million beneficiaries. Those figures show the scale of activity reported by the lender. A hectare under a management practice and a household counted as reached each describe a different unit of delivery.

The Nigerian project team’s October update gives different totals, including more than 818,000 hectares of degraded land reported as restored and about nine million people reported as reached. The releases do not reconcile their measurement dates, definitions or coverage. Adding their figures or treating the difference as progress would give a false sense of precision. The reporting task for the expanded program is to show which area and which people are counted, how often they are counted and what evidence supports each measure.

From Treated Area to Lower Risk

The lender says the expanded work will reach 1.4 million hectares and benefit 6.6 million people by 2031. It anticipates gains in soil health, agricultural productivity and flood protection. These are forward-looking figures. Rainfall, local maintenance and the choice of treatment will influence how the benefits materialize across different catchments.

A contractor can document the completion of erosion works with quantities and locations. A state team looking for a lasting effect also needs to know whether the work held through heavy rains, whether vegetation remained in place and whether the communities exposed to flooding saw a change in conditions. The two records answer different questions and should be kept together. The expansion creates an opportunity to compare treatments across sites using consistent definitions, while preserving the local circumstances that explain why a treatment works in one place and needs adjustment in another.