中西太平洋暖池时空变动及其对鲣分布的影响

林泓羽; 汪金涛; 陈新军; 蒋明峰; 许子安; 雷林; 吕泽华

doi:10.12131/20220235

中西太平洋暖池时空变动及其对鲣分布的影响

doi: 10.12131/20220235

林泓羽^1,,
汪金涛^{1, 2, 3, 4, 5, ,},
陈新军^{1, 2, 3, 4, 5},
蒋明峰¹,
许子安¹,
雷林^{1, 2, 3, 4, 5},
吕泽华^{1, 3, 6}

1.
上海海洋大学海洋科学学院，上海 201306
2.
农业农村部大洋渔业开发重点实验室，上海 201306
3.
国家远洋渔业工程技术研究中心，上海 201306
4.
大洋渔业资源可持续开发教育部重点实验室，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
6.
国家远洋渔业工程技术研究中心舟山分中心，浙江舟山 316014

基金项目: 国家自然科学基金项目(41876141)；中西太平洋金枪鱼围网资源立体探测与渔场解析技术(YY-2021C1003)

详细信息

作者简介:
林泓羽 (1999—)，男，硕士研究生，研究方向为人工智能渔业学。E-mail: m210200683@st.shou.edu.cn

通讯作者:
汪金涛 (1987—)，男，副教授，博士，研究方向为渔情预报及渔业资源评估。E-mail: jtwang@shou.edu.cn

中图分类号: S 931.2
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- 被引次数: 0
出版历程
- 收稿日期: 2022-09-04
- 修回日期: 2022-10-18
- 录用日期: 2022-12-08
- 网络出版日期: 2023-03-10

Spatial-temporal changes in western and central Pacific warm pool and their impact on distribution of Katsuwonus pelamis

LIN Hongyu^1
,,
WANG Jintao^{1, 2, 3, 4, 5
, ,},
CHEN Xinjun^{1, 2, 3, 4, 5},
JIANG Mingfeng¹,
XU Zi'an¹,
LEI Lin^{1, 2, 3, 4, 5},
LYU Zehua^{1, 3, 6}

1.
College of Marine Sciences, Shanghai Ocean University, Shanghai 201306, China
2.
Key Laboratory of Oceanic Fisheries Exploration, Ministry of Agriculture and Rural affairs, Shanghai 201306, China
3.
Shanghai Ocean University/National Engineering Research Center for Oceanic Fisheries, Shanghai 201306, China
4.
Shanghai Ocean University/Key Laboratory of Sustainable Exploitation of Oceanic Fisheries Resources, Ministry of Education, Shanghai 201306, China
5.
Scientific Observing and Experimental Station of Oceanic Fishery Resources, Ministry of Agriculture and Rural affairs, Shanghai 201306, China
6.
Zhoushan Branch of National Engineering Research Center for Oceanic Fisheries, Zhoushan 316014, China

摘要

摘要: 中西太平洋热带海域是世界上最大的鲣 (Katsuwonus pelamis) 渔场。为合理开发和利用中西太平洋围网鲣自由鱼群的渔业资源，根据1995—2019年中西太平洋渔业委员会的围网鲣数据计算资源丰度指数，得出渔场重心，并结合海表温度 (Sea surface temperature, SST)、海洋尼诺指数 (Oceanic Niño Index, ONI) 进行皮尔森相关性分析。结果显示，单位捕捞努力量渔获量 (Catch per unit effort, CPUE) 可用于表征自由鱼群渔场重心的资源丰度，且与暖池重心经度以及右边缘经度有显著相关性；渔场重心与暖池指标 (暖池重心经度与右边缘经度) 的相对位置以及变动趋势在不同气候模式下存在差异，而在同一气候模式中相同。结果表明，渔场重心可通过暖池重心的变化进行预测，而通过构建暖池场与自由鱼群资源丰度的时空分布关系发现，暖池右边缘能够与自由鱼群的空间分布产生联系，为商业性捕捞围网鲣自由鱼群提供渔场边界的指示，为其资源开发与养护提供科学依据。
- 鲣 /
- 自由鱼群 /
- 暖池 /
- 厄尔尼诺与南方涛动 /
- 中西太平洋
Abstract: The western and central Pacific tropical waters are largest fishing ground for the skipjack tuna (Katsuwonus pelamis) in the world. To rationalize the development and utilization of the fishery resources of K. pelamis free-swimming school fishery in the Western and Central Pacific Ocean, we derived the gravity center by calculating the resource abundance index based on the data of for skipjack tuna from 1995 to 2019 from the Western and Central Pacific Fisheries Commission. Besides, we conducted a Pearson correlation analysis by combining sea surface temperature (SST) and Oceanic Niño Index (ONI). The results show that the catch per unit effort (CPUE), which can be used to characterize the resource abundance of the gravity center of free swimming school of skipjack, was significantly correlated with the longitude of the gravity center of the warm pool and the longitude of the right edge. The relative positions and trends of the CPUE and warm pool indicators (Longitude of the gravity center of the warm pool and longitude of the right edge) were different under different climate modes but were the same under the same climate mode. The results show that the changes in the gravity center of the fishing grounds can be predicted by the warm pool's changes in the gravity center. By constructing the spatial-temporal distribution relationship between the warm pool field and the resource abundance, we found that the right edge of the warm pool could be associated with the spatial distribution of the free swimming school of skipjack, which provides an indication of the fishing ground boundary of free-swimming school stock in commercial fishing purse-seine skipjack tuna, and provides a scientific basis for its resource exploitation and conservation.
- Katsuwonus pelamis /
- Free-swimming school fish /
- Warm pool /
- El Niño and Southern Oscillation /
- western and Central Pacific Ocean

HTML全文

图 1 皮尔森相关性检验

Figure 1. Pearson correlation test

下载: 全尺寸图片幻灯片

图 2 各指标值随时间的变化

Figure 2. Changes in values of each indicator along with time

下载: 全尺寸图片幻灯片

图 3 不同气候模式下CPUE与暖池的时空分布

注：a、b为拉尼娜气候模式；c、d为正常气候模式；e、f为厄尔尼诺气候模式；g、h为厄尔尼诺气候模式向正常气候模式转变。

Figure 3. Spatial-temporal distribution of CPUE and warm pool under different climate modes

Note: (a) and (b) are the La Niña climate modes; (c) and (d) are the normal climate modes; (e) and (f) are the El Niño climate modes; (g) and (h) are the climate modes shifting from the El Niño to the normal.

下载: 全尺寸图片幻灯片

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