PURPOSE: A method of constructing a riparian green zone around Han river watershed using ecology planting model and technique is provided to decide a species composition and the density of planting appropriate for a growth environment, and directly establish an ecological plant assembled with multilayer planting. CONSTITUTION: A riparian green zone is established in the protected lowland around Han river watershed. Two units of pine tree, two units of queritron, two units of ash tree, three units of Styrax obssia, three units of Quercus mongolica, two units of Carpinus laxiflora Blume, two units of Tila mandshurica, and two units of wild mulberry tree are planted per a hundred square meter of a planting area. Two units of the pine tree, one unit of Populus Maximowiczii, one unit of wild pear tree, one unit of ginger tree, two units of Acer trifluorum, two units of Styrax obassia, and two units of ash tree are planted per a hundred square meter of the planting area. Four units of queritron, three units of oriental oak, one unit of wild cherry tree, four units of ash tree, three units of Styrax obassia, four units of wild pear tree, and four units of Syringareticulata var.mand shurica. Hara are planted per a hundred square meter of the planting area. Three units of pine tree, two units of queritron, one unit of ash tree, two units of Styrax obassia, two units of Carpinus, two units of white oak, and two units of snowbell are planted per a hundred square meter of the planting area. Two units of pine tree, two units of zelkova, one unit of Carpinus, two units of snowbell, and one unit of Cornus walteri are planted per a hundred square meter of the planting area. Two units of Quercus mongolica, two units of ash tree, two units of Fraxinus mandshurica, one unit of elm tree, one unit of willow tree, three units of Amur maple, three units of Maakia amurensis, and three units of Magnolia Sieboldii are planted per a hundred square meter of the planting area. Two units of quer
