底栖区
环境科学
远洋带
浮游动物
生物量(生态学)
生态系统
叶绿素a
海洋学
渔业
丰度(生态学)
大型底栖动物
生态学
生物
地质学
植物
作者
Jae-Won Yoo,Chae-Lin Lee,Sung-Tae Kim,Eunju Seong,Dong-Sik Ahn,Su-Young Jeong,Chang-Soo Kim,ByeongHo Kim,Byungkwan Jeong,Won-Ok Jeong
标识
DOI:10.1016/j.marpolbul.2023.115791
摘要
We examined long-term response (2008–2017) of the macrobenthos to the Hebei Spirit oil spill that occurred around the Taean coast, Korea, in December 2007. Oil concentrations were below the Korea/US environmental standards as of January 2008. Organic matter, chlorophyll-a, and zooplankton abundance dominated by Noctiluca scintillans were higher after the spill. Macrobenthic diversity recovered to pre-incident (2007) level in 2011. Biomass exceeded that level in 2011 and the increase prolonged for 5 years. Cross-correlation and regression analyses showed that chlorophyll-a at year t and zooplankton abundance at t-2 had a significant relationship with macrobenthic biomass at t (p < 0.05 for both), suggesting the transfer of increased organic matter (transformed from crude oil within the pelagic ecosystem) into the benthic ecosystem. Coastal wetlands around the incident area, vulnerable to oil pollution and slowly remobilizing accumulated oil, seemed to affect pelagic ecosystem processes and the unexpectedly increased and sustained biomass.
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