Dai Xiaojie
Shanghai Ocean University
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海洋与湖沼 2016, Vol. 2, Pages 369-373 | 2016
王洁; Wang Jie; 朱江峰; Zhu Jiangfeng; 戴小杰; Dai Xiaojie; 肖悦悦; Xiao Yueyue
碳、氮稳定同位素为分析淡水和海洋生态系统的生物营养关系提供了有力手段, 但在大洋鱼类中的应用还很少。本研究以热带东太平洋大青鲨(Prionace glauca)整节脊椎骨作为样品(叉长范围153-242cm), 运用稳定同位素技术, 分析大青鲨的δ13C值和δ15N值及其变化, 比较不同基线生物的选择对营养级计算的影响。结果表明, 大青鲨δ13C范围为-15.76‰- -13.41‰, 最大差值2.35‰; δ15N范围为10.62‰-17.72‰, 最大差值7.1‰; δ13C值和δ15N值随个体长度的变化不明显(可能原因是样品鱼均为较大个体), 性别间的差异不显著, 但不同基线生物的选择对营养级计算值的影响较大。本文研究表明, 通过整节脊椎骨的稳定同位素测定来获得大青鲨的摄食特征信息是可行的。由于基线生物对营养级计算的影响问题难以在短期内解决, 今后可将相对营养级或营养级的变化作为重点, 研究人类活动(如捕捞)对大洋鱼类摄食和营养级的影响。
Turkish Journal of Fisheries and Aquatic Sciences | 2011
Zhu Guoping; Dai Xiaojie; Song Liming; Xu Liuxiong
Marine Fisheries | 2010
Dai Xiaojie
Journal of Fisheries of China | 2003
Dai Xiaojie; Xu Liuxiong
Zhongguo Shuichan Kexue | 2016
Yang Xiaoming; Dai Xiaojie; Tian Siquan; Xu Liuxiong
Archive | 2016
Gao Chunxia; Tian Siquan; Dai Xiaojie; Li Jianhua; Wu Feng; Chen Yan; Zhu Jiangfeng
Nanfang Shuichan Kexue | 2016
Geng Zhe; Zhu Jiangfeng; Dai Xiaojie
Haiyang yu Huzhao | 2016
Wang Jie; Zhu Jiangfeng; Dai Xiaojie; Xiao Yueyue
Haiyang Yuye | 2016
Li Weiwen; Tian Siquan; Dai Xiaojie; Chen Xinjun
Haiyang Kexue | 2016
Gao Chunxia; Dai Xiaojie; Tian Siquan; Wu Feng
