| “海参-对虾”混养海水池塘的食物网结构及营养层级研究 |
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| 引用本文： | 郭凯,赵文,王珊,刘保占,张鹏.“海参-对虾”混养海水池塘的食物网结构及营养层级研究[J].海洋学报(英文版),2016,35(4):58-62. |
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| 作者姓名： | 郭凯 赵文 王珊 刘保占 张鹏 |
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| 作者单位： | 大连海洋大学, 辽宁省水生生物学重点实验室, 大连 116023, 中国,大连海洋大学, 辽宁省水生生物学重点实验室, 大连 116023, 中国,大连海洋大学, 辽宁省水生生物学重点实验室, 大连 116023, 中国,中海石油环保服务有限公司, 天津 300452, 中国,大连海洋大学, 辽宁省水生生物学重点实验室, 大连 116023, 中国 |
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| 基金项目： | The National Marine Public Welfare Project of China under contract No.201305005. |
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| 摘 要： | The food sources of aquacultured Apostichopus japonicus and the trophic levels of organisms in a sea cucumber(A. japonicus) and prawn(Penaeus japonica) polyculture system in a saltwater pond in Zhuanghe, Liaoning Province were examined using carbon and nitrogen stable isotopes. Across organisms, δ13C ranged from(–25.47±0.20)‰ to(–16.48±0.17)‰(mean±SD), and δ15N ranged from(4.23±0.49)‰ to(12.44±0.09)‰. The δ13C and δ15N contents of A. japonicus, P. japonica and Fenneropenaeus chinensis were comparatively higher than those of other organisms. Values of δ13C and δ15N revealed that P. japonica, Hemigrapsus sanguineus and Neomysis japonica comprised the largest component of the diet of A. japonicus. The mean trophic level of the organisms in this saltwater pond polyculture system was(2.75±0.08). P. japonica, A. japonicus, F. chinensis,Synechogobius hasta and Neomysis japonica were in the 3rd trophic level(2–3); jellyfish, H. sanguineus and zooplankton were in the 2nd trophic level(1–2); and Enteromorpha prolifera, benthic microalgae, periphyton and suspended matter primarily consisting of phytoplankton, bacteria and humus were in the primary trophic level(0–1).
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| 关 键 词： | 刺参 日本对虾 稳定同位素 食物网结构 食物组成 营养层级 |
| 收稿时间： | 2014/10/9 0:00:00 |
| 修稿时间： | 2015/7/31 0:00:00 |
Food web structure and trophic levels in a saltwater pond sea cucumber and prawn polyculture system |
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| GUO Kai,ZHAO Wen,WANG Shan,LIU Baozhan and ZHANG Peng.Food web structure and trophic levels in a saltwater pond sea cucumber and prawn polyculture system[J].Acta Oceanologica Sinica,2016,35(4):58-62. |
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| Authors: | GUO Kai ZHAO Wen WANG Shan LIU Baozhan and ZHANG Peng |
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| Institution: | 1.Key Laboratory of Hydrobiology in Liaoning Province, Dalian Ocean University, Dalian 116023, China2.Offshore Environment Services Co., Ltd., Tianjin 300452, China |
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| Abstract: | The food sources of aquacultured Apostichopus japonicus and the trophic levels of organisms in a sea cucumber (A. japonicus) and prawn (Penaeus japonica) polyculture system in a saltwater pond in Zhuanghe, Liaoning Province were examined using carbon and nitrogen stable isotopes. Across organisms, δ13C ranged from (–25.47±0.20)‰ to (–16.48±0.17)‰ (mean±SD), and δ15N ranged from (4.23±0.49)‰ to (12.44±0.09)‰. The δ13C and δ15N contents of A. japonicus, P. japonica and Fenneropenaeus chinensis were comparatively higher than those of other organisms. Values of δ13C and δ15N revealed that P. japonica, Hemigrapsus sanguineus and Neomysis japonica comprised the largest component of the diet of A. japonicus. The mean trophic level of the organisms in this saltwater pond polyculture system was (2.75±0.08). P. japonica, A. japonicus, F. chinensis, Synechogobius hasta and Neomysis japonica were in the 3rd trophic level (2–3); jellyfish, H. sanguineus and zooplankton were in the 2nd trophic level (1–2); and Enteromorpha prolifera, benthic microalgae, periphyton and suspended matter primarily consisting of phytoplankton, bacteria and humus were in the primary trophic level (0–1). |
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| Keywords: | Aposticbopus japonicas Penaeus japonica stable isotopes food web structure diet composition trophic level |
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