Pollution loading and consequences

The type and extent of water pollution vary depending on factors such as location, ecosystem characteristics, land-use, and degree of economic development. The relative severity of water quality problems in the Asian sub-regions is summarized in Table 6. 

Lencf catchment uae AgrtculturS) Forestry, Drstnago, Eutrophication, Pfisticfdes 

Fish hatching, flearltig, Bastocklng Propagation, DIaeaae, Fish ladders Passes, Screens, Counters 

RE SOURCE DEVELOPMe nT AND PROTECTION Abstraction llcencea, Oischsrges Corrsents, Fisheries and Recreation 

Conservation of habitats Aquatic weed control herbicides  

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