3ZHOU Q X,RAINBOW P S,SMITH B D.Comparative study of the tolerance and accumulation of the trace metals zinc,copper and cadmium in three populations of the polychaete Nereis diversicolor[J].Journal of the Marine Biological Association of the United Kingdom,2003,83(1):65-72.
4ABOLLINO O,ACETO M,MALANDRINO M,et al.Heavy metals in agricultural soils from Piedmont,Italy.Distribution,speciation and chemometric data treatment[J].Chemosphere,2002,49:545-557.
5WONG S C.Heavy metals in agricultural soils of the Pearl River Delta,South China[J].Environmental Pollution,2002,119:33-44.
6NAVAS A,MACHIN J.Spatial distribution of heavy metals and arsenic in soils of Arago'n (northeast Spain):controlling factors and environmental implications[J].Applied Geochemistry,2002,17:961-973.