ORIGINAL RESEARCH
Spatial Variability of CO2, CH4, and N2O Fluxes
during Midsummer in the Steppe of Northern
China
Jianzhong Cheng1, Xinqing Lee1, Benny K.G. Theng2, Bin Fang1,3,
Fang Yang1,3, Bing Wang1, Like Zhang1,3
Pol. J. Environ. Stud. 2014;23(2):319-328
ORIGINAL RESEARCH
Distribution of Heavy Metals in Irrigated Vertisol
Profiles in Semiarid Region of Turkey
C. Aydinalp1, M. S. Cresser2
Pol. J. Environ. Stud. 2009;18(4):539-545