Madagascar stone river water storage reservoir

Can Japan's experience of River basin management be applied to Madagascar?

Not all Japan’s experience of river basin management can be applied to Madagascar, but some lessons can be drawn and adapted in Madagascar’s context. We also used Aqueduct data to analyze the projected effects of climate change on the 12 major river basins to provide information regarding future water availability and water demand.

Does integrated River basin management work in Madagascar?

The integrated river basin management (IRBM) in Madagascar was compared with Japan to assess the progress of both countries in the implementation of IWRM/IRBM and possible strategies for Madagascar to reach the Sustainable Development Goals (SDG) target 6.5.

Does Madagascar have a high groundwater recharge rate?

Groundwater recharge rates are high throughout most of Madagascar, especially along alluvial fans around rivers, although recharge rates in the Mahaly Plateau are only around 60 Wetland clearing for paddy rice irrigation, which accounts for most water abstractions, has impacted biodiversity and reduced water quality.

Does Madagascar have a water supply?

Although Madagascar has numerous rivers, lakes, and aquifers, which make up its water resources, 49 % of the population does not have access to a basic water supply (Godfrey, 2018).

Is water availability a major concern for Madagascar?

As the population continues to grow, coupled with the impacts of climate change, water demand is expected to increase. Overall, these studies suggest that water availability is a significant concern for Madagascar.

Does Madagascar have a river?

Eastern Madagascar receives steady rainfall year-round. Precipitation in southern Madagascar is more erratic and rivers are not perennial, leading to seasonal water stress. There are five main basins and most runoff drains through the Western and Eastern slopes, including the Betsiboka on the Western slope, which is Madagascar’s longest river.