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Table 3 Ecological management measures and their effects on schistosomiasis control

From: Role of ecological approaches to eliminating schistosomiasis in Eryuan County evaluated by system modelling

Classification

Ecological management measures

Effect on schistosomiasis control

Control the source of infection

Set no pastoral area

Such measures effectively reduce Schistosoma eggs that pollute the environment and prevent the infection of snail from schistosome miracidium.

Close or transfer cultivation factory

Dispose of human and animal excrement

Build sanitation toilets

Build a large factory to dispose of livestock excrement

Block the biological transmission chains

Using right circulation of land, change its purpose of use

Such measures can effectively change the suitable habitats of the snail intermediate host, and can effectively reduce or even get rid of snail habitats.

Water saving irrigation

Harden the ditches and roads

Develop economic forest

Return the plough into forestry, forest land conservation

Channel management

Cut off transmission of the disease

Control the price of water

Such measures change people’s habits, thereby reducing contact oppertunities with contaminated water and thus reducing the risk of infection.

Collect polluted water

Centralise water supply

Implement efficient water-saving projects

Improve ecological environment

Improve the environmental restoration, by building ecological furrow

Such measures reduce the risk areas by declining the infection of humans and livestock, but must pay attention to the diffusion of snails.

Improve wetlands restoration

Reconstruct lakeside area