中国莱州湾浮游生物群对不同营养物质减少的长期响应

IF 2.1 4区 地球科学 Q2 MARINE & FRESHWATER BIOLOGY
Huichao Jiang , Jianlong He , Ling Cheng , Ning Liu , Ping Fu , Ning Wang , Xiaoyu Jiang , Shan Sun , Juan Zhang
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引用次数: 0

摘要

减少营养物质被认为是控制富营养化的有效方法;然而,我们对浮游生物群如何响应营养物质减少的了解却很有限。在本研究中,我们利用中国莱州湾 2004 年至 2018 年的长期数据集,描述了浮游生物群对营养盐削减响应的主要特征,并比较了不同营养盐削减区域浮游生物响应的差异。结果表明,浮游生物丰度随营养盐削减呈明显下降趋势。浮游植物丰度下降率与营养物质减少量成正比。大规模的贝类养殖可能会破坏中生浮游动物对营养物质减少的响应。浮游生物群落出现了积极的恢复迹象,个体小的物种优势度下降,个体大的物种优势度上升。结果表明,氮磷的减少对莱州湾浮游生物的丰度和群落恢复有积极影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Long-term response of plankton assemblage to differentiated nutrient reductions in Laizhou Bay, China

Nutrient reductions are considered effective methods to control eutrophication; however, our understanding of how plankton assemblages respond to nutrient reductions is limited. In the present study, we used a long-term dataset between 2004 and 2018 from Laizhou Bay, China, to describe the main characteristics of plankton assemblage response to nutrient reduction, and to compare the differences in plankton response between the different nutrient reduction regions. The results showed that plankton abundance showed obvious decreasing trends in response to nutrient reductions. The phytoplankton abundance decline rate was directly proportional to the magnitude of nutrient reductions. The large-scale shellfish culture may disrupt the response of mesozooplankton to nutrient reductions. Positive recovery signs in the plankton community were observed with species dominance decreasing for small individuals and increasing for large ones. The results suggested that the reduction in nitrogen and phosphorus positively affected plankton abundance and community recovery in Laizhou Bay.

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来源期刊
Journal of Sea Research
Journal of Sea Research 地学-海洋学
CiteScore
3.20
自引率
5.00%
发文量
86
审稿时长
6-12 weeks
期刊介绍: The Journal of Sea Research is an international and multidisciplinary periodical on marine research, with an emphasis on the functioning of marine ecosystems in coastal and shelf seas, including intertidal, estuarine and brackish environments. As several subdisciplines add to this aim, manuscripts are welcome from the fields of marine biology, marine chemistry, marine sedimentology and physical oceanography, provided they add to the understanding of ecosystem processes.
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