Quantitative method of visual landscape EIA based on GIS: a case of the Ming Tombs Quantitative Evaluation of Conservation Priority of the Endangered Plants in Northeast China Quantifying soil quality degradation over 100 years after deforestation under erosional environments Study on the Quantitative Eval ation of Afforest City and Environmental Quality Studies on Taste Evaluation Indices for Fresh Apple Juice Based on 159 Cultivars Studies on Taste Evaluation Indices for Fresh Apple Juice Based on 159 Cultivars Quantitative Study of Conservation Priority of the Rare and Threatened Plants in Jiangxi Province The quantitative evaluation on forest scenic function Quantitative Study of Conservation Priority of the Rare and Threatened Ornamental Plants in Changbai Mountains STUDY ON GRADING STANDARD FOR THE RARE AND ENDANGERED MEDICINAL PLANTS IN JIANGXI STUDIES ON THE QUANTITATIVE EVALUATION OF ENVIRONMENTAL FACTORS IN THE DEGRADATION OF PESTICIDE ON TEA PLANT Study on nitrate leaching characteristics in arable soils in subtropical region