taking Weihe River basin in Shaanxi provine as an example 流域生态风险评价与洪水资源化：以陕西省渭河流域为例：taking Weihe River basin in Shaanxi provine as an example taking colleges and universities in Liaoning Province as an example taking Shaanxi province as an example take Jincheng district of Shanxi province as an example taking planting industry in Jilin province as an example taking Jiangxi province as an example taking Lushan County, Henan Province as an example taking Heilongjiang Province as an example taking Henan province as an example