了解在筑巢的Loggerhead海种群中接触污染物的风险
Arthur D Barraza1, Kimberly A Finlayson1, Frederic D L Leusch1
1Australian Rivers Institute, School of Environment and Science, Griffith University, Gold Coast, 4222, QLD, Australia.
Marine pollution bulletin
|October 16, 2023
概括
龙头乌种群在蒙雷波斯 (Mon Repos) 正在恢复,但在瓦岛 (Wreck Island) 却没有,这可能是由于不同食地点的风险和化学物质暴露的原因. 在高风险食区减少污染物可能有助于海的恢复.
科学领域:
- 海洋生物学 海洋生物学
- 生态毒理学 生态毒理学
- 保护科学 保护科学
背景情况:
- 龙头乌 (Caretta caretta) 的数显示了蒙雷波斯 (MR) 和瓦岛 (WI) 之间的相反的恢复趋势.
- 来自MR和WI的乌的不同食地点表明环境风险的潜在差异.
- 了解污染物暴露对于木头种群健康至关重要.
研究的目的:
- 调查MR和WI木头的微量元素和有机污染物水平的差异.
- 为了将污染物负担与已知的食地点相关联.
- 为了评估这些海的血液提取物的体外毒性.
主要方法:
- 从MR和WI的化木头乌中采集了血液,和蛋样.
- 使用酸性消化分析了微量元素.
- 在体外细胞毒性生物测试中,使用乌纤维细胞的血液提取物进行了生物测试.
主要成果:
- 与蒙雷波斯海相比,残骸岛海的排泄和血含量显著增加.
- 含量根据食地点 (北方与南方) 不同.
- 几个元素 (,,,,,,,,,,,) 显示了样品类型 (血液,,蛋) 之间的显著相关性.
- 血液提取物 (75%) 在体外对乌纤维细胞有显著的毒性.
结论:
- 污染物暴露在木头乌种群和食场之间有所不同.
- 在高风险的食地点暴露于化学物质对木及其后代构成威胁.
- 建议在关键食区减轻化学物质的暴露,以保护海.
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