Abstract：
:Indoor simulation experiment with 2.76 L microcosms using sediment from Taihu Lake were conducted to investigate the relationship between algae bloom and heavy metals release into a lake aquatic environment. The results showed that Microcystic aeruginosa (M. aeruginosa) growth can enhance cadmium (Cd) mobilization from sediments to overlying water due to increasing pH and DO content of overlying water and changing the redox condition of surface sediment (0-2 cm) from weak oxidation to weak reduction. The dissolved Cd concentration in overlying water can be decreased during algal growth process. The remobilization of Cd from sediment can effectively reduce the ecological risk of total Cd in sediments. The results of this study showed that both Igeo and Er(i) can be used to effectively evaluate the ecological risk of heavy metal Cd in different fractions.
journal_name
Chemospherejournal_title
Chemosphereauthors
Ni L,Li D,Su L,Xu J,Li S,Ye X,Geng H,Wang P,Li Y,Li Y,Acharya Kdoi
10.1016/j.chemosphere.2016.02.012subject
Has Abstractpub_date
2016-05-01 00:00:00pages
37-44eissn
0045-6535issn
1879-1298pii
S0045-6535(16)30163-1journal_volume
151pub_type
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