Water and sediment toxicity and hazard assessment of DCOIT towards neotropical marine organisms

被引:5
|
作者
Campos, B. G. [1 ]
Moreira, L. B. [1 ,2 ]
Pauly, G. F. E. [1 ]
Cruz, A. C. F. [1 ]
Perina, F. C. [3 ,4 ]
Abreu, F. [5 ]
Fillmann, G. [5 ]
Abessa, D. M. S. [1 ]
机构
[1] Sao Paulo State Univ UNESP, Praca Infante Dom Henr S-N, BR-11330900 Sao Vicente, SP, Brazil
[2] Fed Univ Sao Paulo UNIFESP, Rua Carvalho Mendonca 144, BR-11070102 Santos, SP, Brazil
[3] Univ Aveiro, CESAM Ctr Environm & Marine Studies, P-3810193 Aveiro, Portugal
[4] Univ Aveiro, Dept Biol, P-3810193 Aveiro, Portugal
[5] Rio Grande Fed Univ FURG, Av Italia S-N 7,474, BR-96201900 Rio Grande, RS, Brazil
基金
巴西圣保罗研究基金会;
关键词
PNEC; Risk quotient; Sea-nine; Biocide; Hazard; Antifouling; BOOSTER BIOCIDE CONTAMINATION; ANTIFOULING BIOCIDES; ECOLOGICAL RISK; SEA-9; 211; COASTAL AREAS; PRODUCTS; QUALITY; MACROALGA; ORGANOTIN; PATTERNS;
D O I
10.1016/j.envpol.2023.121797
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
DCOIT is an effective antifouling biocide, which presence in the environment and toxicity towards non-target species has been generating great concern. This study evaluated the waterborne toxicity of DCOIT on marine invertebrates (i.e., survival of brine shrimp Artemia sp., larval development of the sea urchin Echinometra lucunter and the mussel Perna perna), as well as DCOIT-spiked-sediment toxicity on the fecundity rate of the copepod Nitrocra sp. And the mortality of the amphipod Tiburonella viscana. The data outcomes were used to calculate environmental hazards and risks, which were compared to their corresponding values obtained from temperate regions. Waterborne toxicity can be summarized as follows: Artemia sp. (LC50-48h = 163 (135-169) & mu;g/L), E. lucunter (EC50-36h = 33.9 (17-65) & mu;g/L), and P. perna (EC50-48h = 8.3 (7-9) & mu;g/L). For whole-sediment toxicity, metrics were calculated for T. viscana (LC50-10d = 0.5 (0.1-2.6) & mu;g/g) and Nitrocra sp, (EC50-10d = 200 (10-480) & mu;g/kg). The DCOIT hazard was assessed for both tropical and non-tropical pelagic organisms. The predicted no -effect concentration (PNEC) for tropical species (0.19 & mu;g/L) was 1.7-fold lower than that for non-tropical or-ganisms (0.34 & mu;g/L). In whole-sediment exposures, DCOIT presented a PNEC of 0.97 & mu;g/kg, and the risk quo-tients (RQs) were >1 for areas with constant input of DCOIT such as ports ship/boatyards, marinas, and maritime traffic zones of Korea, Japan, Spain, Malaysia, Indonesia, Vietnam, and Brazil. The presented data are important for supporting the establishment of policies and regulations for booster biocides worldwide.
引用
收藏
页数:9
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