船舶船体在水中清洗的废水对附着和未附着微藻的影响
Young Kyun Lim1, Moonkoo Kim2, Ji Nam Yoon1
1Ecological Risk Research Department, KIOST (Korea Institute of Ocean Science and Technology), Geoje 53201, Republic of Korea.
Marine pollution bulletin
|July 16, 2023
概括
船体清洗废水 (HCW) 泄漏会对微藻产生负面影响. 较高的HCW剂量减少了未附着的微藻,但增加了附着的微藻生物质,影响了营养水平.
科学领域:
- 海洋生物学 海洋生物学
- 环境科学 环境科学
- 生态毒理学 生态毒理学
背景情况:
- 在水中的船体清洗废水 (HCW) 含有重金属和生物制剂.
- 碳化合物的环境泄露是不可避免的.
- 碳酸对微藻群落的影响在很大程度上是未知的.
研究的目的:
- 研究HCW对微藻群体的影响.
- 为了比较不同清洗方法 (软刷与硬刷) 的HCW影响.
- 为了确定HCW对微藻的剂量依赖性影响.
主要方法:
- 微观宇宙实验是使用天然海水进行的.
- 来自软 (海绵) 和硬 (刷) 清洁方法的HCW被添加到5%和10%的度中.
- 测量了溶解的铜度和微藻生长 (叶绿素a).
主要成果:
- 溶解铜度在HCW治疗中比对照高5-10倍.
- 随着HCW剂量增加,未结合的微藻生长 (叶绿素a) 显著下降.
- 附着的微藻生物量随着HCW剂量增加而增加,并且与营养减少有关.
结论:
- 高碳水化合物泄漏会对微藻群体产生重大影响.
- 效果取决于泄漏的高碳碳水化合物的数量.
- 附着的微藻可能在HCW污染后的营养循环中发挥作用.
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