It is used to classify the present invention relates to one kind and reduces Migration environment to restore habitat Muljarus japanicas. This method comprises the following steps: dividing ecological environment Muljarus japanicas habitat according to reference element is basin, habitat landform, habitat drainage area, habitat form, habitat soil, bed particle; It divides basin and enters element, including upstream, flow at the middle and upper levels, intermediary data stream, middle underflow, and select the basin of at least one downstream area middle and lower part stream and downstream area; Being formed as element with dividing habitat includes grain stream, Plain waters, agricultural water path, clay, wetland, reservoir, lake, bitter salty water area, lagoon, man-made lake select at least one, pure stream, river, agricultural water path, clay, wetland, reservoir, the habitat landform in lake; It includes The turbulent river crashes its way through section that the drainage for dividing habitat, which flows into element, flow slowly section, and stagnation water area selects at least one unhurried current section and stagnation water area; And it includes Flow Corrosion that habitat form, which enters element, flows deposition, variable-flow, constant variable selects at least one stream deposition, variable-flow, the element of constant variation. The present invention can be accurate, rapidly Revegetation of Eco-environment Muljarus japanicas, when including that Migration environment in river is destroyed or flow through intensifier rain or its development and the japanica Muljarus ecological characteristics in accurately determining. ;The 2016 of copyright KIPO submissions
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