[Accumulation and cycle of heavy metal in Sonneratia apetala and S. caseolaris Mangrove Community at Futian of Shenzhen, China].

摘要: The absorption, accumulation, distribution and cycle of Cu, Pb, Zn, Cr Ni in S. apetala caseolaris Mangrove Community at Futian Nature Reserve Shenzhen were studied. results showed that the contents forest soil increased from bottom to surface layer, storage five heavy metals layer(depth 0-30 cm) was Zn > Pb Cu. concentration ability K. candel. existing accumulation community respectively 23,019.61 micrograms/m2, 23,429.65 117,870.41 6835.79 12,995.08 micrograms/m2. annual absorption 6592.20 2664.77 24,123.56 853.25 1990.86 respectively. return 3179.50 1300.64 8401.31 398.99 646.20 net retention 3413.07 1364.13 15,722.25 454.25 1344.66 turn over period 8, 19, 15, 18 21 years.