西北太平洋柔鱼耳石微量元素

应用生态学报

西北太平洋柔鱼耳石微量元素

陆化杰^1,2,3,4,陈新军^1,2,3,4**,马金¹

(¹上海海洋大学海洋科学学院, 上海 201306; ^2国家远洋渔业工程技术研究中心, 上海 201306; ^3上海海洋大学大洋生物资源可持续开发和利用上海市高校重点实验室, 上海 201306; ⁴上海海洋大学远洋渔业协同创新中心, 上海 201306)

出版日期:2014-08-18 发布日期:2014-08-18

Trace elements in the statoliths of neon flying squid, Ommastrephes bartramii in the Northwest Pacific Ocean.

LU Hua-jie^1,2,3,4, CHEN Xin-jun^1,2,3,4, MA Jin^1

(¹College of Marine Sciences, Shanghai Ocean University, Shanghai 201306, China; ²National Engineering Research Center for Oceanic Fisheries, Shanghai 201306, China; ³Ministry of Education Key Laboratory of Sustainable Exploitation of Oceanic Fisheries Resources, Shanghai Ocean University, Shanghai 201306, China; ⁴Collaborative Innovation Center for Distantwater Fisheries, Shanghai Ocean University, Shanghai 201306, China)

Online:2014-08-18 Published:2014-08-18

摘要/Abstract

摘要：

耳石是头足类重要的硬组织之一,其微化学被用于头足类生活史的重建、群体划分等渔业生态学领域.本文根据我国鱿钓船2007年在西北太平洋海域生产期间采集的柔鱼样本,利用激光剥蚀电感等离子质谱法(laser ablation inductively coupled plasma mass spectrometry, LA-ICP-MS)分析了18枚柔鱼耳石的微量元素组成及其分布特性.结果表明：柔鱼耳石主要由55种元素组成,含量最多的前10位元素分别为钙(Ca)、锶(Sr)、钠(Na)、磷(P)、钾(K)、硅(Si)、镁(Mg)、硼(B)、铁(Fe)和钡(Ba).方差分析表明,不同性别间柔鱼的Ca、Sr、Na、K、Mg、Fe、Ba的含量不存在显著性差异,但P、Si和B含量差异性明显;不同孵化期的群体间Sr和Na含量存在显著性差异,Ca、P、K、Si、Mg、B、Fe和Ba不存在显著性差异;不同耳石部位的Ca、Sr、Na、P、Mg和Ba含量存在显著性差异,而K、Fe、B和Si则不存在显著性差异.研究表明微量元素Sr和Na比较适合用于研究柔鱼的群体划分、洄游史推测等渔业生态学.

Abstract: Statolith is one of the most important hard tissues of cephalopods which is widely used in the research of fisheries ecology including population structure, life history reconstruction and so on. Trace elements of 18 statoliths of neon flying squid Ommastrephes bartramii collected in the Northwest Pacific Ocean in 2007 by Chinese jigging fishing fleets were analyzed by laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS). The results indicated that the statoliths of O. bartramii mainly contained 55 elements, and calcium (Ca), strontium (Sr), sodium (Na), phosphorus (P), potassium (K), silicon(Si), magnesium (Mg), boron (B), iron (Fe), barium (Ba) were the 10 most abundant elements. The analysis of variance showed that there was no significant difference in each element distribution between different sexual squid except for P, Si and B. Significant differences existed in the contents of Sr and Na but no significant difference was found in the contents of Ca, P, K, Si, Mg, B, Fe and Ba between different hatching populations. There were significant differences in the contents of Ca, Sr, Na, P, Mg and Ba, but no significant difference was found in the contents of K, Fe, B and Si in the statoliths among different growth zones. This study presented Sr and Na could be the best two trace elements used in the research on the population structure and life history reconstruction for O. bartramii.

陆化杰1,2,3,4,陈新军1,2,3,4**,马金1. 西北太平洋柔鱼耳石微量元素[J]. 应用生态学报.

LU Hua-jie1,2,3,4, CHEN Xin-jun1,2,3,4, MA Jin1. Trace elements in the statoliths of neon flying squid, Ommastrephes bartramii in the Northwest Pacific Ocean.[J]. Chinese Journal of Applied Ecology.