Spatial Variations and Potential Risks of Heavy Metals in Seawater, Sediments, and Living Organisms in Jiuzhen Bay, China

Table 13

Bioconcentration factors (BCFs) and biota-sediment accumulation factors (BSAFs) of various living organisms.

Factor	Living organism	Cu	Zn	As	Cd	Hg	Pb
BCF	Oyster	15185	10636	116	2200	54	976
	Clam	309	490	89	91	17	511
	Fish	48	249	89	3	93	262
	Shrimp	1589	1164	43	15	33	170
BSAF	Oyster	8.47	4.08	0.50	12	0.90	<0.01
	Clam	0.17	0.19	0.38	0.50	0.29
	Fish	0.03	0.10	0.38	0.02	1.54
	Shrimp	0.89	0.45	0.18	0.08	0.54