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Agriculture affects erosion
Increased sediment loads in rivers arising from erosion of agricultural
land have a negative impact on downstream aquatic ecosystems and
also result in increased siltation in downstream channels, reservoirs
and other hydraulic infrastructure. On the other hand…
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Irrigation can provide benefits for other
sectors
In arid and semi-arid countries, there are often large areas where
groundwater is brackish and where people have to obtain water from
irrigation canals for all domestic uses. Better coordination with
other sectors can mean that benefits such as these are more effectively
targeted.
Aquaculture can positively affect environment
Recycling of nutrients and organic matter through integrated farming
systems is well recognised.
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