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南沙美济礁海域隆背笛鲷繁殖和食性的初步研究

王腾 刘永 李纯然 李纯厚 唐广隆 肖雅元 林琳 吴鹏

王腾, 刘永, 李纯然, 李纯厚, 唐广隆, 肖雅元, 林琳, 吴鹏. 南沙美济礁海域隆背笛鲷繁殖和食性的初步研究[J]. 南方水产科学. doi: 10.12131/20210379
引用本文: 王腾, 刘永, 李纯然, 李纯厚, 唐广隆, 肖雅元, 林琳, 吴鹏. 南沙美济礁海域隆背笛鲷繁殖和食性的初步研究[J]. 南方水产科学. doi: 10.12131/20210379
WANG Teng, LIU Yong, LI Chunran, LI Chunhou, TANG Guanglong, XIAO Yayuan, LIN Lin, WU Peng. A preliminary study on reproduction and feeding habits of Lutjanus gibbus from Meiji Reef of Nansha[J]. South China Fisheries Science. doi: 10.12131/20210379
Citation: WANG Teng, LIU Yong, LI Chunran, LI Chunhou, TANG Guanglong, XIAO Yayuan, LIN Lin, WU Peng. A preliminary study on reproduction and feeding habits of Lutjanus gibbus from Meiji Reef of Nansha[J]. South China Fisheries Science. doi: 10.12131/20210379

南沙美济礁海域隆背笛鲷繁殖和食性的初步研究

doi: 10.12131/20210379
基金项目: 国家重点研发计划项目 (2018YFD0900803);南方海洋科学与工程广东省实验室 (广州) 人才团队引进重大专 (GML2019ZD0605);农业农村部财政专项 (NFZX2018);中国水产科学研究院基本科研业务费专项资金资助 (2020TD16);中国水产科学研究院南海水产研究所中央级公益性科研院所基本科研业务费专项资金资助 (2021SD04, 2019TS28)
详细信息
    作者简介:

    王腾:王 腾 (1986—),男,博士,助理研究员,从事海洋鱼类保护生物学研究。E-mail: wt3074589@163.com

    通讯作者:

    李纯厚 (1963—),男,研究员,博士,从事水生生物学研究。E-mail: chunhou@scsfri.ac.cn

  • 中图分类号: S 932

A preliminary study on reproduction and feeding habits of Lutjanus gibbus from Meiji Reef of Nansha

  • 摘要: 隆背笛鲷 (Lutjanus gibbus) 是一种肉质鲜美且经济价值高的珊瑚礁鱼类,其产卵集聚容易造成过度捕捞。以2020年7月在美济礁海域潜水捕捞采集的67尾隆背笛鲷样本为研究对象,研究其性比、性成熟体长、卵径特征、繁殖力和食性等生物学特征。结果显示,隆背笛鲷雌雄比为2∶1;雌、雄性的50%性成熟体长 (L50) 分别为204.757和201.623 mm;IV期性腺卵径为0.176~0.419 mm (平均0.296 mm);卵径频率分布为单峰型。隆背笛鲷的繁殖力为51 858~276 205粒 (平均139 145粒),其繁殖力与体长、体质量成显著的幂函数关系。美济礁隆背笛鲷食性是螃蟹、鱼、螺、贝和虾。稳定同位素研究显示隆背笛鲷的平均营养级为3.33,其食性随个体发育转变明显,如生态位变窄和营养级变高等。
  • 图  1  美济礁隆背笛鲷体长分布

    Figure  1.  Distribution of body length of L. gibbus from Meiji Reef

    图  2  美济礁隆背笛鲷个体性成熟比例的逻辑斯蒂曲线

    Figure  2.  Logistic curve of sexual maturity percentage of L. gibbus from Meiji Reef

    图  3  美济礁隆背笛鲷的卵径分布频率分布.

    Figure  3.  Oocyte size-frequency distribution of L. gibbus from Meiji Reef

    图  4  美济礁隆背笛鲷繁殖力与体长和体质量的相关性

    Figure  4.  Relationships of fecundity-body length and fecundity-body mass of L. gibbus from Meiji Reef

    图  5  美济礁隆背笛鲷的体长与δ13 C、δ15 N的相关性

    Figure  5.  Relationships of body length-δ13 C and body length-δ15 N of L. gibbus from Meiji Reef

    表  1  美济礁海域隆背笛鲷体长、体质量特征

    Table  1.   Body length and body mass of L. gibbus from Meiji Reef

    群体
    Group
    数量
    Number
    体长范围
    Body length range/mm
    平均体长
    Average body length/mm
    体质量范围
    Body mass range/g
    平均体质量
    Average body mass/g
    雌性 Female 30 140~250 215.63 72.51~411.79 303.92
    雄 Male 15 160~270 203.33 120.99~665.43 282.87
    雌雄不辨 Unsex 22 115~240 170.55 51.41~465.58 174.46
    总体 Total 67 115~270 198.08 51.41~665.43 256.7
    下载: 导出CSV

    表  2  美济礁隆背笛鲷的δ13C、δ15N和营养生态位指标

    Table  2.   δ13C, δ15N values and trophic niche metrics for L. gibbus from Meiji Reef

    群体
    Group
    数量
    Number
    碳稳定同位素 δ13C/‰氮稳定同位素δ15N/‰δ13C范围 CRb/‰δ15N范围 NRb/‰凸多边形面积TA/‰2校正标准椭圆SEAC/‰2
    未性成熟 Immature8−14.278.242.491.152.792.30
    性成熟 Mature7−13.948.682.911.301.821.61
    总体 Total15−14.118.443.412.144.512.17
    下载: 导出CSV
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出版历程
  • 收稿日期:  2021-12-24
  • 修回日期:  2022-02-23
  • 录用日期:  2022-03-30
  • 网络出版日期:  2022-04-12

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