北太平洋柔鱼不同群体耳石日增量对海洋环境的响应研究

韩霈武; 王岩; 方舟; 陈新军

doi:10.12284/hyxb2022018

北太平洋柔鱼不同群体耳石日增量对海洋环境的响应研究

doi: 10.12284/hyxb2022018

韩霈武^1,,
王岩¹,
方舟^{1, 2, 3, 4, 5, ,},
陈新军^{1, 2, 3, 4, 5}

1.
上海海洋大学海洋科学学院, 上海 201306
2.
大洋渔业资源可持续开发教育部重点实验室, 上海 201306
3.
国家远洋渔业工程技术研究中心, 上海 201306
4.
农业农村部大洋渔业开发重点实验室, 上海 201306
5.
农业农村部大洋渔业资源环境科学观测实验站, 上海 201306

基金项目: 国家重点研发计划（2019YFD0901404）；国家自然科学基金面上项目（41876141）；农业部外海渔业开发重点实验室开放基金（LOF 2021-01）。

详细信息

作者简介:
韩霈武(1996-)，男，安徽省阜阳市人，主要研究方向为大洋性头足类生物学。E-mail: 2718344838@qq.com

通讯作者:
方舟（1988-），男，讲师，主要研究方向为头足类渔业生物学。E-mail: zfang@shou.edu.cn

中图分类号: S917；S931
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- 被引次数: 0
出版历程
- 收稿日期: 2021-05-26
- 修回日期: 2021-09-07
- 网络出版日期: 2021-10-15
- 刊出日期: 2022-01-14

Response of daily increment of statolith of neon flying squid (Ommastrephes bartramii) for different cohorts to marine environment in the North Pacific

Han Peiwu^1
,,
Wang Yan¹,
Fang Zhou^{1, 2, 3, 4, 5
, ,},
Chen Xinjun^{1, 2, 3, 4, 5}

1.
College of Marine Sciences, Shanghai Ocean University, Shanghai 201306, China
2.
Key Laboratory of Sustainable Exploitation of Oceanic Fisheries Resources, Ministry of Education, Shanghai 201306, China
3.
National Engineering Research Center for Oceanic Fisheries, Shanghai 201306, China
4.
Key Laboratory of Ocean Fisheries Exploitation, Ministry of Agriculture and Rural Affairs, Shanghai 201306, China
5.
Scientific Observing and Experimental Station of Oceanic Fishery Resources, Ministry of Agriculture and Rural Affairs, Shanghai 201306, China

摘要

摘要: 为了研究北太平洋柔鱼（Ommastrephes bartramii）索饵场不同群体耳石日增量与环境之间的关系，采用梯度森林法和广义加性模型对2010−2016年在北太平洋采集的柔鱼进行了耳石日增量与海洋环境间的关系的分析。结果表明，柔鱼生命周期大约为1 a，秋生群体柔鱼个体的日龄范围为165～345 d，冬春生群体柔鱼个体的日龄范围为95～271 d。100 m水层海水温度、海表面温度、海表面盐度和混合层深度是影响柔鱼秋生群体耳石日生长的关键环境变量；100 m水层海水温度、海表面高度和叶绿素浓度是影响冬春生群体耳石日生长的关键环境变量。广义加性模型分析表明，耳石日增量宽度与梯度森林法筛选的关键环境变量存在显著关系（p <0.01）。不同群体的关键环境变量表明，温度和饵料丰度的变化对柔鱼生长有着显著的影响。
- 北太平洋 /
- 柔鱼 /
- 耳石日增量 /
- 环境变量 /
- 不同群体
Abstract: In order to study the relationship between daily increment of statolith and environment of neon flying squid (Ommastrephes bartramii) for different cohorts in the North Pacific during feeding ground, we explore the relationship between daily increment of statolith microstructure and environmental variables by gradient forest method (GFM) and generalized additive model (GAM) based on the samples collected in the North Pacific from 2010 to 2016. The results show that the life cycle of O. bartramii is about one year. The age of the autumn cohort ranges from 165 d to 345 d, and the age of winter-spring cohort ranges from 95 d to 271 d, respectively. Sea water temperature at the depth of 100 m (Temp_100), sea surface temperature (SST), sea surface salinity (SSS) and mixed layer depth (MLD) are the key environmental variables for the daily growth of autumn cohort. Temp_100, MLD, sea surface height (SSH) and chlorophyll a concentration (CHL) are the key environment variables for the daily growth of winter-spring cohort. GAM analysis shows that the daily increment width of statolith is significantly correlated with the key environmental variables selected by GFM (p<0.01). Key environmental variables of different cohorts suggest that the growth of O.bartrarnii is significantly affected by water temperature and prey abundance.
- North Pacific /
- Ommastrephes bartramii /
- daily increment of statolith /
- environmental variables /
- different cohorts

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图 1 北太平洋柔鱼采样站点

Fig. 1 Sampling stations of Ommastrephes bartramii in the North Pacific

下载: 全尺寸图片幻灯片

图 2 北太平洋柔鱼采样区域与研究区域

Fig. 2 Sampling area and study area of Ommastrephes bartramii in the North Pacific

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图 3 柔鱼耳石微结构及日龄、日增量测量方向

Fig. 3 Microstructure of statolith and measurement direction of age and daily increment for Ommastrephes bartramii

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图 4 不同群体柔鱼的耳石平均日增量宽度

a. 秋生群体；b. 冬春生群体

Fig. 4 Mean daily increment width of statolith of Ommastrephes bartramii for different cohorts

a. Autumn cohort; b. winter-spring cohort

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图 5 不同群体柔鱼耳石平均日增量宽度分布

Fig. 5 Distribution of mean daily increment width of statolith of Ommastrephes bartramii for different cohorts

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图 6 环境变量对不同群体柔鱼耳石平均日增量宽度的权重

a. 秋生群体；b. 冬春生群体

Fig. 6 Weight of environmental variables on statolith mean daily increment width of Ommastrephes bartramii for different cohorts

a. Autumn cohort; b. winter-spring cohort

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图 7 不同环境因子对秋生群体（a1−a4）和冬春生群体（b1−b4）柔鱼耳石日增量宽度的累积重要性

Fig. 7 Cumulative importance of different environmental factors in relation to daily increment width of statolith of Ommastrephes bartramii for autumn cohort (a1−a4) and winter-spring cohort (b1−b4)

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图 8 基于GAM的关键环境变量对秋生群体（a1−a4）和冬春生群体（b1−b4）柔鱼耳石平均日增量宽度的影响

Fig. 8 Effective of key environment variables on mean daily increment width of Ommastrephes bartramii for autumn cohort (a1−a4) and winter-spring cohort (b1−b4) based on GAM

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图 9 不同群体柔鱼索饵场100 m水层水温分布

a. 秋生群体；b. 冬春生群体

Fig. 9 Distribution of Temp_100 for different cohorts of Ommastrephes bartramii in feeding ground

a. Autumn cohort; b. winter-spring cohort

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表 1 北太平洋柔鱼样本基本信息

Tab. 1 Basic information of Ommastrephes bartramii in the North Pacific

海域	月份	数量/尾	日龄/d	孵化高峰期	胴长/mm
东部海域	5−6月	188	165～345	8−10月	200～501
西部海域	7−10月	221	95～271	2−4月	162～345

下载: 导出CSV

表 2 关键环境变量对柔鱼耳石日增量宽度的GAM分析

Tab. 2 The key environment variables on daily increment width in Ommastrephes bartramii based on the generalized additive model (GAM) analyses

群体	环境变量	偏差解释率/%	AIC	R²	F	p	显著性
秋生群体	Temp_100	96.2	−401.704 5	0.958	217.2	<0.000 1	***
	SST	94.1	−363.818 1	0.935	136.7	<0.000 1	***
	SSS	92.4	−348.225 3	0.919	144.5	<0.000 1	***
	MLD	88.7	−317.438	0.882	134.8	<0.000 1	***
冬春生群体	Temp_100	92.6	−519.3610	0.921	179.2	<0.000 1	***
	MLD	75.2	−359.568 4	0.741	59.43	<0.000 1	***
	SSH	56	−284.356 8	0.547	34.95	<0.000 1	***
	CHL	51.5	−269.784 2	0.498	25.09	<0.000 1	***
注：*** (p<0.000 1)。

下载: 导出CSV

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