ORIGINAL RESEARCH
Health Evaluation of a Lake Wetland Ecosystem
Based on the TOPSIS Method
Li Ren1,2, Jin-Tao Liu1<,sup>, Jian-Jun Ni3, Xin-Yi Xiang4
Pol. J. Environ. Stud. 2014;23(6):2183-2190
ORIGINAL RESEARCH
Invasion of Fallopia Genus Plants
in Urban Environment
Justyna Sołtysiak, Teresa Brej
Pol. J. Environ. Stud. 2014;23(2):449-458