作者：Jianguo Li (1) Lijie Pu (1) (2) Qilin Liao (3) Ming Zhu (1) Xiaoqing Dai (1) Yan Xu (1) Lifang Zhang (4) Ming Hua (3) Yang Jin (3) 1. School of Geographic and Oceanographic Sciences ; Nanjing University ; No. 163 Xianlin Road ; Qixia District ; 210023 ; Nanjing ; Jiangsu Province ; People鈥檚 Republic of China 2. The Key Laboratory of the Coastal Zone Exploitation and Protection ; Ministry of Land and Resources ; Nanjing ; 210023 ; China 3. Geological Survey of Jiangsu Province ; Nanjing ; 210018 ; China 4. School of Public Administration ; Nanjing University of Finance and Economics ; Nanjing ; 210046 ; China

关键词：Soil heavy metal concentration ; Land use ; Enrichment factor ; Yangtze River Delta

刊名：Environmental Earth Sciences

出版者：Springer Berlin Heidelberg

年：2015

作者：Mariam G. Salema ; mariam_gabr_salim@hotmail.com ; M&rsquo ; d Hamdy El-Awadyb ; Ezzat Aminc

关键词：Environmental Impact ; Groundwater ; Iron and Manganese Removal ; Delta District ; GIS

刊名：Energy Procedia

年：2012

作者：G. Mmopelwa

关键词：Okavango Delta ; River reed ; Net cash income ; Direct use value ; Net present value ; Benefit cost ratio ; Net investment ratio

刊名：Journal of Environmental Management

年：2006