Study on pattern of ecological fishery in water body of low-hilly red soil region—A case study from Yujiang County，Jiangxi Province

The different development periods of ecological fishery pattern in water body of low-hilly red soil region and its effects on the water quality variation are stated and the regulation and control countermeasures，i.e.inputting proper quantity of pigmanure，regulating and controlling the structure of fish culture and returning the pond silt to the field are put forward.