Seasonal and spatial variation in abundance of the copepod Calanus sinicus: Effects of decreasing dissolved oxygen and small jellyfish bloom in northern Yellow Sea, China, nearshore waters
文献类型：期刊论文
| 作者 | Sun, Xiaohong2; Sun, Xiyan3; Zhu, Lixin2; Li, Xiao2; Sun, Song1 |
| 刊名 | MARINE POLLUTION BULLETIN
 |
| 出版日期 | 2020-12-01 |
| 卷号 | 161页码:8 |
| 关键词 | Calanus sinicus Abundance Recruitment Dissolved oxygen Jellyfish |
| ISSN号 | 0025-326X |
| DOI | 10.1016/j.marpolbul.2020.111653 |
| 通讯作者 | Sun, Song(sunsong@qdio.ac.cn) |
| 英文摘要 | A hypoxia event occurred in the nearshore of the northern Yellow Sea in summer 2016, and a bloom of small jellyfish occurred in June of this year. As a key copepod species in the Yellow Sea, Calanus sinicus exhibits early recruitment mainly in this nearshore area. Therefore, this study assessed the effects of these two phenomena on C. sinicus especially on their early recruitment. Sampling in nearshore waters was performed every month from May to December, except for October 2016. The numerical abundance of eggs and nauplii (E + N), copepodites and adults (C + A) of C. sinicus was determined in relation to environmental factors. Results showed that dissolved oxygen (DO) concentrations decreased from June on, attaining a minimum in August, and showed a significant positive relationship with C. sinicus E + N abundance. This suggested that decreasing DO had potential negative effects on early recruitment of C. sinicus. The abundance of small jellyfish, dominated by Sugiura chengshanense (Hydromedusa), also showed a significant positive relationship with C. sinicus E + N abundance, indicating a potential predator-prey relationship between them. Spatial relationships were also examined between E + N abundance and DO concentration in July and with small jellyfish abundance in June. Both bottom DO (B-DO) and E + N abundance in inshore waters were significantly lower than those in offshore water in July, indicating a potential negative effect of low B-DO (<6 mg L-1) in nearshore water. Spatial variation of small jellyfish abundance showed no correlation with C. sinicus abundance in June, but the non-overlapping patchy distribution also suggested their potential predator-prey relationship. Together, both the seasonal and spatial results indicated that low DO and a small jellyfish bloom in nearshore waters had detrimental effects on early recruitment of C. sinicus. These negative effects thus have the potential to indirectly impact the trophodynamics of fishery resources in the northern Yellow Sea. |
| WOS关键词 | LIFE-HISTORY STRATEGIES ; AURELIA-AURITA ; PREDATION IMPACT ; SISHILI BAY ; VERTICAL-DISTRIBUTION ; POPULATION-DYNAMICS ; REPRODUCTION RATES ; COMMON JELLYFISH ; FEEDING RATES ; ZOOPLANKTON |
| WOS研究方向 | Environmental Sciences & Ecology ; Marine & Freshwater Biology |
| 语种 | 英语 |
| WOS记录号 | WOS:000599843800004 |
| 源URL | [http://ir.yic.ac.cn/handle/133337/27555]  |
| 专题 | 中国科学院牟平海岸带环境综合试验站 |
| 通讯作者 | Sun, Song |
| 作者单位 | 1.Chinese Acad Sci, Inst Oceanol, Beijing, Peoples R China 2.Shandong Univ, Marine Coll, 180 Wenhuaxi Rd, Weihai 264209, Peoples R China 3.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Beijing, Peoples R China |
| 推荐引用方式 GB/T 7714 | Sun, Xiaohong,Sun, Xiyan,Zhu, Lixin,et al. Seasonal and spatial variation in abundance of the copepod Calanus sinicus: Effects of decreasing dissolved oxygen and small jellyfish bloom in northern Yellow Sea, China, nearshore waters[J]. MARINE POLLUTION BULLETIN,2020,161:8. |
| APA | Sun, Xiaohong,Sun, Xiyan,Zhu, Lixin,Li, Xiao,&Sun, Song.(2020).Seasonal and spatial variation in abundance of the copepod Calanus sinicus: Effects of decreasing dissolved oxygen and small jellyfish bloom in northern Yellow Sea, China, nearshore waters.MARINE POLLUTION BULLETIN,161,8. |
| MLA | Sun, Xiaohong,et al."Seasonal and spatial variation in abundance of the copepod Calanus sinicus: Effects of decreasing dissolved oxygen and small jellyfish bloom in northern Yellow Sea, China, nearshore waters".MARINE POLLUTION BULLETIN 161(2020):8. |
入库方式： OAI收割
来源：烟台海岸带研究所
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