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基于个体的西北太平洋柔鱼冬春生群生活史早期生态模型构建

李曰嵩 白松麟 余为 张瑜 陈新军

李曰嵩,白松麟,余为,等. 基于个体的西北太平洋柔鱼冬春生群生活史早期生态模型构建[J]. 海洋学报,2021,43(9):33–47 doi: 10.12284/hyxb2021070
引用本文: 李曰嵩,白松麟,余为,等. 基于个体的西北太平洋柔鱼冬春生群生活史早期生态模型构建[J]. 海洋学报,2021,43(9):33–47 doi: 10.12284/hyxb2021070
Li Yuesong,Bai Songlin,Yu Wei, et al. Construction of individual-based ecological model of early life history of winter-spring cohort of neon flying squid Ommastrephes bartramii in the Northwest Pacific Ocean[J]. Haiyang Xuebao,2021, 43(9):33–47 doi: 10.12284/hyxb2021070
Citation: Li Yuesong,Bai Songlin,Yu Wei, et al. Construction of individual-based ecological model of early life history of winter-spring cohort of neon flying squid Ommastrephes bartramii in the Northwest Pacific Ocean[J]. Haiyang Xuebao,2021, 43(9):33–47 doi: 10.12284/hyxb2021070

基于个体的西北太平洋柔鱼冬春生群生活史早期生态模型构建

doi: 10.12284/hyxb2021070
基金项目: 国家自然科学基金面上项目(NSFC41876141);国家重点研发计划(2018YFD0900906,2016YFC1400903);国家自然基金联合基金重点项目(U1609202)。
详细信息
    作者简介:

    李曰嵩(1976-),男,辽宁省盖州市人,副教授,从事生态动力学模型的研究。E-mail:liys@shou.edu.cn

    通讯作者:

    陈新军,男,教授,主要研究渔业资源。E-mail:xjchen@shou.edu.cn

  • 中图分类号: P714+.5; S917

Construction of individual-based ecological model of early life history of winter-spring cohort of neon flying squid Ommastrephes bartramii in the Northwest Pacific Ocean

  • 摘要: 为了对西北太平洋柔鱼冬春生群生活史早期的生长、死亡、输运和分布等进行研究,将其生长、死亡等早期生物过程进行参数化,利用物理模型(FVCOM-Global)模拟生成北太平洋(10°~60°N,120°E~110°W)三维物理场,采用拉格朗日质点追踪的方法将物理模型和生物模型(基于个体模型)耦合,构建了基于个体的西北太平洋柔鱼冬春生群生活史早期生态模型,并用此模型对1997–2010年冬春生群的输运分布进行数值模拟。模拟结果表明:在一定温度范围内,越靠近最适水温,冬春生群的生长速度越快,当日龄为38 d时,胴长可达到11.76 mm,之后由指数生长逐渐变为线性生长;1997–2010年模拟补充量有年际的波动,在考虑冬春生群亲体量不同的前提下得到的实际补充量最多和最少的年份分别是1999年和2009年;冬春生群在模拟阶段主要位于产卵场内,在25°N以南主要向西部输运,25°N以北逐渐呈向北和向东北方向输运的趋势,尤其在输运后期受强流的影响较大;在垂直方向上,100 m水深以内的仔鱼占比将近一半。本研究能为西北太平洋柔鱼冬春生群的生态动力学深入研究奠定基础。
  • 图  1  由三角网格构成的模型计算区域

    Fig.  1  The model computational domain is made up of triangular mesh

    图  2  北太平洋柔鱼冬春生群的产卵场示意图

    蓝色圆形为模型中设定的产卵场位置

    Fig.  2  Schematic diagram of spawning ground of winter-spring cohort of neon flying squid Ommastrephes bartramii in the North Pacific Ocean

    The blue circle is the location of spawning ground set in the model

    图  3  柔鱼的输运和生长示意图

    Fig.  3  Schematic diagram of transport and growth of neon flying squid Ommastrephes bartramii

    图  4  生态模型的构建过程

    Fig.  4  The construction process of ecological model

    图  5  西北太平洋柔鱼冬春生群在不同水温条件下的胴长变化

    Fig.  5  Variation of mantle length of winter-spring cohort of neon flying squid Ommastrephes bartramii in the Northwest Pacific Ocean under different water temperature conditions

    图  6  模拟补充量

    Fig.  6  Simulative recruitment

    图  7  模拟补充量与实际补充量对比

    Fig.  7  Comparison of simulative recruitment and actual recruitment

    图  8  实际补充量和渔获量对比

    Fig.  8  Comparison of actual recruitment and catch

    图  9  不同海域内柔鱼的占比

    Fig.  9  The proportion of neon flying squid Ommastrephes bartramii in different sea areas

    10  1997−2010年西北太平洋柔鱼冬春生群的分布和流场

    10  Distribution and flow field of winter-spring cohort of neon flying squid Ommastrephes bartramii in the Northwest Pacific Ocean from 1997 to 2010

    图  11  冬春生群在不同生长阶段处于各个水深范围内的比例

    Fig.  11  The proportion of winter-spring cohort in different water depth ranges at different growth stages

    表  1  补充量和渔获量

    Tab.  1  Recruitment and catch

    年份模拟补充量/
    (108个)
    渔获量/t系数实际补充量/
    (108个)
    19971.29101 8391.061.37
    19982.07117 0001.222.53
    19994132 0001.375.48
    20002.36124 2041.293.04
    20011.5180 8730.841.27
    20020.83584 4870.880.735
    20030.87382 9490.860.751
    20041.41106 532.21.111.57
    20053.7398 3721.023.8
    20061.43108 097.11.121.6
    20071.76113 117.61.182.08
    20082.14106 018.91.102.35
    20091.7736 763.70.380.673
    20102.4755 350.70.581.43
    下载: 导出CSV

    表  2  输运到四周最远的柔鱼相对于产卵场的距离

    Tab.  2  The distance to spawning ground of the farthest neon flying squid Ommastrephes bartramii transported to the surrounding waters

    年份向北输运
    的距离/km
    向南输运
    的距离/km
    向西输运
    的距离/km
    向东输运
    的距离/km
    1997388.50234.21366.89387.57
    1998199.80333.00435.44404.81
    1999902.43401.82466.48192.41
    2000226.44258.63372.20181.22
    2001730.38279.72488.65452.75
    2002346.32341.88596.73343.04
    2003222.00347.43363.39293.87
    2004623.82185.37328.68369.24
    2005342.99337.44302.35550.79
    2006132.09331.89298.11240.32
    2007136.53293.04365.90269.21
    2008608.28422.91197.37173.15
    2009142.08255.30487.30297.70
    2010193.14122.10483.08405.86
    下载: 导出CSV

    表  3  整个模拟阶段内冬春生群分布在不同水深处的比例(%)

    Tab.  3  The proportion of winter-spring cohort distributed in different water depths during the whole simulation stage(%)

    水深/m1997年1998年1999年2000年2001年2002年2003年2004年2005年2006年2007年2008年2009年2010年
    0~10044.5450.0132.1846.1156.5949.8848.4249.6243.0053.7151.7945.4647.8950.51
    100~20027.5825.9618.9528.5022.8627.9427.6423.5628.6723.2025.8926.9525.9324.54
    200~30010.858.469.689.006.187.808.547.888.126.827.008.038.168.11
    300~4004.032.525.933.222.542.963.163.733.423.442.693.702.773.24
    400~5002.211.403.801.811.581.811.791.912.152.241.782.431.871.74
    500~6001.481.173.391.391.381.071.511.571.821.761.461.721.711.25
    600~7001.191.012.721.241.140.881.311.051.890.911.381.601.391.22
    700~1 5004.675.5510.745.914.735.395.075.367.354.165.516.266.966.11
    >1 5003.453.9212.612.823.002.272.565.323.583.762.503.853.323.28
    下载: 导出CSV
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  • 收稿日期:  2020-12-31
  • 修回日期:  2021-02-17
  • 网络出版日期:  2021-08-02
  • 刊出日期:  2021-09-25

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