冬春季西北印度洋鸢乌贼角质颚外部形态及生长特性

doi:10.13287/j.1001-9332.202008.033

应用生态学报 ›› 2020, Vol. 31 ›› Issue (8): 2775-2784.doi: 10.13287/j.1001-9332.202008.033

冬春季西北印度洋鸢乌贼角质颚外部形态及生长特性

何静茹¹, 陆化杰^1,2,3,4,5,6*, 陈炫妤¹, 刘凯¹, 王洪浩¹, 陈新军^1,2,3,4,5,6

¹上海海洋大学海洋科学学院, 上海 201306;
²青岛海洋科学与技术国家实验室海洋渔业科学与食物产出过程功能实验室, 山东青岛 266071;
³国家远洋渔业工程技术研究中心, 上海 201306;
⁴上海海洋大学大洋渔业资源可持续开发省部共建教育部重点实验室, 上海 201306;
⁵农业农村部大洋渔业开发重点实验室, 上海 201306;
⁶农业农村部大洋渔业资源环境科学观测实验站, 上海 201306

收稿日期:2019-11-29 修回日期:2020-05-08 出版日期:2020-08-15 发布日期:2021-02-15
通讯作者: * E-mail: hjlu@shou.edu.cn
作者简介:何静茹, 女, 1998年生, 硕士研究生。主要从事头足类生态学和海洋学研究。E-mail: 17806230736@163.com
基金资助:
国家重点研发计划项目(2019YFD0901404,2019YFD090402)、国家自然科学基金项目(41506184,41876141)和浙江省科学技术厅重点研发计划项目(2018C02026)资助

Beak morphological and growth characteristic of Sthenoteuthis oualaniensis in the northwest Indian Ocean in winter and spring

HE Jing-ru¹, LU Hua-jie^1,2,3,4,5,6*, CHEN Xuan-yu¹, LIU Kai¹, WANG Hong-hao¹, CHEN Xin-jun^1,2,3,4,5,6

¹College of Marine Sciences, Shanghai Ocean University, Shanghai 201306, China;
²Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266071, Shandong, China;
³National Distant-water Fisheries Engineering Research Center, Shanghai 201306, China;
⁴Ministry of Education Key Laboratory of Sustainable Exploitation of Oceanic Fishe-ries Resources, Shanghai Ocean University, Shanghai 201306, China;
⁵Key Laboratory of Oceanic Fisheries Exploration, Ministry of Agriculture and Rural Affairs, Shanghai 201306, China;
⁶Scientific Observing and Experimental Station of Oceanic Fishery Resources, Ministry of Agriculture and Rural Affairs, Shanghai 201306, China

Received:2019-11-29 Revised:2020-05-08 Online:2020-08-15 Published:2021-02-15
Supported by:
This work was supported by the National Key R&D Program of China (2019YFD0901404, 2019YFD090402), National Natural Science Foundation of China (41506184, 41876141), and Key R&D Project of Science and Technology Department of Zhejiang Province (2018C02026).

摘要/Abstract

摘要： 角质颚是头足类重要的硬组织之一,被广泛用于研究头足类渔业生态学及资源评估等。根据2019年冬春季(2—5月)中国灯光罩网渔船于西北印度洋海域采集的1009条鸢乌贼样本,对其角质颚外部形态生长特征开展了研究。主成分分析表明,上头盖长(UHL)、上脊突长(UCL)、上侧壁长(ULWL)、下脊突长(LCL)、下翼长(LWL)和下侧壁长(LLWL)可作为角质颚外形变化特征指标。协方差分析表明,除UCL外所有外形特征参数与胴长(ML)的关系以及所有外形特征参数与体重(BW)的关系在性别间均存在显著性差异。根据方程拟合和赤池信息准则(AIC),雌雄个体的LCL、UCL与胴长的关系均最适合用线性函数拟合;雌性个体的UHL、LWL与胴长的关系最适合用幂函数拟合,而ULWL和LLWL与胴长的关系则最适合用线性函数拟合;雄性个体的ULWL与胴长的关系最适合用幂函数表示,UHL、LLWL和LWL与胴长的关系则最适合用对数函数表示。雌性个体所有特征参数与体重的关系均最适合用幂函数拟合;雄性个体除ULWL与体重的关系最适合用幂函数拟合外,其余均最适合用对数函数拟合。特征参数及其与胴长和体重生长方程的确定,为后续利用角质颚研究印度洋鸢乌贼渔业生态学及资源评估提供了科学依据。

关键词: 鸢乌贼, 角质颚, 外形, 生长, 西北印度洋

Abstract: Beak is one of the most important hard tissues of cephalopods, and thus is widely used in the study of cephalopod fisheries ecology and fishery resource assessment. With 1009 Sthenoteuthis oualaniensis samples collected by Chinese light falling-net fishery during February to May in the northwest Indian Ocean, we examined the morphologic and growth characteristics of beak. Results of the principal component analysis showed that the upper hood length (UHL), the upper crest length (UCL), the upper lateral wall length (ULWL), the lower crest length (LCL), the lower wing length (LWL) and the lower lateral wall length (LLWL) could be used as the morphological cha-racteristic parameters to examine the morphological changes of the beak. Results of the analysis of covariance (ANCOVA) showed that there were significant differences in the relationships between all of the morphological characteristic parameters and mantel length (ML) for males and females except UCL. There were significant differences in the relationships between all of the morphological characteristic parameters and body weight (BW) for males and females. The relationships between LCL, UCL and ML were optimally described by the linear functions. Power functions were best for UHL, LWL and linear functions were best for ULWL, LLWL for females. The relationships between ULWL and ML were optimally described by power functions, while the logarithm functions were best for UHL, LLWL and LWL for males. The relationships between all of the morphological characteristic parameters and BW were optimally described by the power functions for females, while the logarithm functions for males except the power function for ULWL. Our results provided scientific basis for the research of the fisheries ecology and stock assessment for S. oualaniensis.

Key words: Sthenoeuthis oualaniensis, beak, morphology, growth, northwest Indian Ocean

何静茹, 陆化杰, 陈炫妤, 刘凯, 王洪浩, 陈新军. 冬春季西北印度洋鸢乌贼角质颚外部形态及生长特性[J]. 应用生态学报, 2020, 31(8): 2775-2784.

HE Jing-ru, LU Hua-jie, CHEN Xuan-yu, LIU Kai, WANG Hong-hao, CHEN Xin-jun. Beak morphological and growth characteristic of Sthenoteuthis oualaniensis in the northwest Indian Ocean in winter and spring[J]. Chinese Journal of Applied Ecology, 2020, 31(8): 2775-2784.

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冬春季西北印度洋鸢乌贼角质颚外部形态及生长特性

Beak morphological and growth characteristic of Sthenoteuthis oualaniensis in the northwest Indian Ocean in winter and spring

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