南海冷泉毗邻海域尾明角灯鱼和长鳍虹灯鱼的营养生态位研究
S931.1; 尾明角灯鱼(Ceratoscopelus warmingii)和长鳍虹灯鱼(Bolinichthys longipes)是冷泉生态系统中常见的中层鱼类,是连接表层到深海生态系统的重要纽带.为探索冷泉生态系统食物网及其物质循环流动,于2021年8月在南海冷泉区毗邻海域采集这2种鱼类,并基于稳定同位素技术分析其营养生态位特征.结果表明:尾明角灯鱼在冷泉区的碳稳定同'位素(δ13C)、氮稳定同位素(δ15N)和营养级分别为(-20.22±0.35)‰、(8.6±0.48)‰和3.35±0.14,在对照区分别为(-20.51±0.33)‰、(8.15±0.65)‰ 和 3.4...
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| Published in | 南方水产科学 Vol. 20; no. 6; pp. 74 - 83 |
|---|---|
| Main Authors | , , , , , , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
中国水产科学研究院南海水产研究所/农业农村部南海渔业资源开发利用重点实验室/广东珠江口生态系统野外科学观测研究站/广东省渔业生态环境重点实验室,广东 广州 510300
01.12.2024
西沙岛礁渔业生态系统海南省野外科学观测研究站/海南省深远海渔业资源高效利用与加工重点实验室/三亚热带水产研究院,海南三亚 572018 |
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| Online Access | Get full text |
| ISSN | 2095-0780 |
| DOI | 10.12131/20240147 |
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| Abstract | S931.1; 尾明角灯鱼(Ceratoscopelus warmingii)和长鳍虹灯鱼(Bolinichthys longipes)是冷泉生态系统中常见的中层鱼类,是连接表层到深海生态系统的重要纽带.为探索冷泉生态系统食物网及其物质循环流动,于2021年8月在南海冷泉区毗邻海域采集这2种鱼类,并基于稳定同位素技术分析其营养生态位特征.结果表明:尾明角灯鱼在冷泉区的碳稳定同'位素(δ13C)、氮稳定同位素(δ15N)和营养级分别为(-20.22±0.35)‰、(8.6±0.48)‰和3.35±0.14,在对照区分别为(-20.51±0.33)‰、(8.15±0.65)‰ 和 3.40±0.19;长鳍虹灯鱼在冷泉区的 δ13C、δ15N 和营养级分别为(-20.19±0.28)‰、(9.32±0.66)‰和 3.57±0.19,在对照区分别为(-20.68±0.42)‰、(8.86±0.68)‰和 3.61±0.20.长鳍虹灯鱼的 δ13C、δ15N在这2个区域均高于尾明角灯鱼,且其对鱼类、虾类等次级消费者的摄食比例较高,表明其食物来源广泛,营养层级较高,对资源的竞争与利用能力更强.2种鱼类在不同区域均呈现出冷泉区营养结构多样性较低、营养生态位较窄的特征,这是因为冷泉独特的生态环境及较高的生物多样性使消费者摄食具有选择性.同时通过循环统计分析发现2种中层鱼的营养结构均朝冷泉区变化,表明冷泉区中层鱼类的种群营养结构变化更复杂且稳定性较高. |
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| AbstractList | S931.1; 尾明角灯鱼(Ceratoscopelus warmingii)和长鳍虹灯鱼(Bolinichthys longipes)是冷泉生态系统中常见的中层鱼类,是连接表层到深海生态系统的重要纽带.为探索冷泉生态系统食物网及其物质循环流动,于2021年8月在南海冷泉区毗邻海域采集这2种鱼类,并基于稳定同位素技术分析其营养生态位特征.结果表明:尾明角灯鱼在冷泉区的碳稳定同'位素(δ13C)、氮稳定同位素(δ15N)和营养级分别为(-20.22±0.35)‰、(8.6±0.48)‰和3.35±0.14,在对照区分别为(-20.51±0.33)‰、(8.15±0.65)‰ 和 3.40±0.19;长鳍虹灯鱼在冷泉区的 δ13C、δ15N 和营养级分别为(-20.19±0.28)‰、(9.32±0.66)‰和 3.57±0.19,在对照区分别为(-20.68±0.42)‰、(8.86±0.68)‰和 3.61±0.20.长鳍虹灯鱼的 δ13C、δ15N在这2个区域均高于尾明角灯鱼,且其对鱼类、虾类等次级消费者的摄食比例较高,表明其食物来源广泛,营养层级较高,对资源的竞争与利用能力更强.2种鱼类在不同区域均呈现出冷泉区营养结构多样性较低、营养生态位较窄的特征,这是因为冷泉独特的生态环境及较高的生物多样性使消费者摄食具有选择性.同时通过循环统计分析发现2种中层鱼的营养结构均朝冷泉区变化,表明冷泉区中层鱼类的种群营养结构变化更复杂且稳定性较高. |
| Abstract_FL | Ceratoscopelus warmingii and Bolinichthys longipes are common mesopelagic fish in cold seep ecosystems,serving as crucial links between surface and deep-sea ecosystems.To explore the food web and material cycling flow in cold spring ecosys-tems,we collected samples of these mesopelagic fish from the adjacent waters of the cold seep area in the South China Sea in August 2021,and then analyzed their trophic niche characteristics using stable isotope techniques.Results indicate that the δ13C,δ15N and the trophic level of C.warmingii in the cold seep area were(-20.22±0.35)‰,(8.6±0.48)‰ and 3.35±0.14,respectively,while those in the control area were(-20.51±0.33)‰,(8.15±0.65)‰ and 3.40±0.19,respectively.Similarly,the δ13C,δ15N and the trophic level of B.longipes in the cold seep area were(-20.19±0.28)‰,(9.32±0.66)‰ and 3.57±0.19,respectively,while those in the control area were(-20.68±0.42)‰,(8.86±0.68)‰ and 3.61±0.20,respectively.The 813C and δ15N valuesof B.lon-gipes were higher than those of C.warmingii in both regions,and the proportion of B.longipes feeding to secondary consumers such as fish and shrimp was higher.It is showed that the food source was wide,the trophic level was high,and the competition and utilization ability of resources was stronger.Both species showed lower trophic diversity(CD)and narrower trophic niche (SEAc)in the cold seep area,because consumers could be selective in feeding due to the unique ecological environment and highbiodiversity of cold seep.Meanwhile,cyclic statistical analysis shows that the trophic structure of both species of mesopelagic fish changed towards the cold seep area,indicating that the trophic structure of the mesopelagic fish population in the cold seep area was more complex and stable. |
| Author | 赵金发 石娟 黄应邦 刘永 李纯厚 宋晓宇 王腾 孔啸兰 |
| AuthorAffiliation | 中国水产科学研究院南海水产研究所/农业农村部南海渔业资源开发利用重点实验室/广东珠江口生态系统野外科学观测研究站/广东省渔业生态环境重点实验室,广东 广州 510300;西沙岛礁渔业生态系统海南省野外科学观测研究站/海南省深远海渔业资源高效利用与加工重点实验室/三亚热带水产研究院,海南三亚 572018 |
| AuthorAffiliation_xml | – name: 中国水产科学研究院南海水产研究所/农业农村部南海渔业资源开发利用重点实验室/广东珠江口生态系统野外科学观测研究站/广东省渔业生态环境重点实验室,广东 广州 510300;西沙岛礁渔业生态系统海南省野外科学观测研究站/海南省深远海渔业资源高效利用与加工重点实验室/三亚热带水产研究院,海南三亚 572018 |
| Author_FL | WANG Teng SONG Xiaoyu LI Chunhou HUANG Yingbang KONG Xiaolan SHI Juan LIU Yong ZHAO Jinfa |
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| DocumentTitle_FL | Trophic niches of Ceratoscopelus warmingii and Bolinichthys longipes in adjacent waters of cold seep area in South China Sea |
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| Keywords | 营养生态位 中层鱼类 稳定同位素 Stable isotopes Trophic niche 冷泉生态系统 Cold seep ecosystem Mesopelagic fish |
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| Snippet | S931.1; 尾明角灯鱼(Ceratoscopelus warmingii)和长鳍虹灯鱼(Bolinichthys longipes)是冷泉生态系统中常见的中层鱼类,是连接表层到深海生态系统的重要纽带.为探索冷泉生态... |
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| Title | 南海冷泉毗邻海域尾明角灯鱼和长鳍虹灯鱼的营养生态位研究 |
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