文章摘要
朱凯,姚吉祥,陈新军,刘维达,孙程婕,林东明.南海鸢乌贼微型群肌肉和性腺组织能量积累及其分配[J].上海海洋大学学报,2020,29(6):910-920
南海鸢乌贼微型群肌肉和性腺组织能量积累及其分配
Energy accumulation of both somatic and reproductive tissues and the allocation to reproduction in the dwarf form individuals of Sthenoteuthis oualaniensis in the south China Sea
投稿时间:2019-09-17  修订日期:2020-03-19
DOI:10.12024/jsou.20190902792
中文关键词: 鸢乌贼  微型群  能量积累  生殖投入  繁殖策略  南海
英文关键词: Sthenoteuthis oualaniensis  dwarf form  energy accumulation  reproductive investment  reproductive strategy  south China Sea
基金项目:国家重点研发计划(2019YFD0901404);国家自然科学基金(41276156,41876144);上海市自然科学基金(16ZR1415400);上海市科技创新行动计划(19DZ1207502)
作者单位E-mail
朱凯 上海海洋大学 海洋科学学院, 上海 201306  
姚吉祥 上海海洋大学 海洋科学学院, 上海 201306  
陈新军 上海海洋大学 海洋科学学院, 上海 201306
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
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
国家远洋渔业工程技术研究中心, 上海 201306
农业农村部大洋渔业开发重点实验室, 上海 201306
农业农村部大洋渔业资源环境科学观测实验站, 上海 201306 
 
刘维达 上海海洋大学 海洋科学学院, 上海 201306  
孙程婕 上海海洋大学 海洋科学学院, 上海 201306  
林东明 上海海洋大学 海洋科学学院, 上海 201306
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
国家远洋渔业工程技术研究中心, 上海 201306
农业农村部大洋渔业开发重点实验室, 上海 201306
农业农村部大洋渔业资源环境科学观测实验站, 上海 201306 
dmlin@shou.edu.cn 
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中文摘要:
      利用组织能量密度测定技术和残差指标分析方法,分析南海鸢乌贼微型群个体肌肉组织和性腺组织的能量积累及其分配规律的变化过程。结果显示:微型群个体的肌肉和性腺组织之间的能量密度存在显著性差异;除缠卵腺之外,其他组织的能量密度均随性腺发育变化显著。肌肉组织和性腺组织的组织能量积累均随性腺发育增加显著。同一性腺成熟度等级肌肉组织的相对组织能量积累较高,性腺组织的相对组织能量积累相对较低。雌性个体性腺组织相对组织能量积累随着性腺发育增长显著,雄性个体性腺组织相对组织能量积累在Ⅰ~Ⅴ期增长较快,在Ⅵ~Ⅶ期趋于稳定。肌肉和性腺组织在性腺发育后期的质量特征较发育前期均显著改善,并且肌肉组织能量积累-胴长残差与性腺组织能量积累-胴长残差呈显著的正相关关系,表明性腺发育过程中的肌肉组织与性腺组织之间不存在能量交流。研究表明,南海鸢乌贼微型群个体的生殖能量倾向于外源性投入,肌肉和性腺组织的组织能量密度、组织能量积累和相对组织能量积累存在雌雄差异性。
英文摘要:
      By the technology of tissue energy density determination combined with residuals analyses, the energy accumulation of somatic and reproductive tissues and the allocation to reproduction in the female and male individuals of dwarf form of Sthenoteuthis oualaniensis in the south China Sea were analyzed. The results showed that:there was a significant difference in the tissue energy density between somatic and reproductive organs; and with the exception of nidamental gland, other tissues showed significant variations in the tissue energy density with the progress of maturation. The tissue energy was accumulated significantly in both somatic and reproductive tissues during the sexual maturation. For a given maturity stage, the proportion of somatic tissue energy was consistently larger than that of reproductive tissues. The relative energy accumulation of reproductive tissues of females increased significantly with maturation, while that in males increased rapidly from maturity stages Ⅰ to Ⅴ followed by a non-significant variation at stages Ⅵ and Ⅶ. At the advanced maturity stages, individuals of the dwarf form of Sthenoteuthis oualaniensis showed a better condition in both somatic and reproductive tissues. Further, residuals analyses indicated that a positive correlation was found between the residuals of each somatic tissue energy accumulation regressed on the mantle length and the residuals of reproductive tissues (combined nidamental gland, oviducal complex and ovary in females, while in males combined spermatophoric complex and testis) energy accumulation on the mantle length, suggesting that there was no energy trade-off between somatic and reproductive tissues during the sexual maturation. In combination, these lines of evidence indicated that energy for reproduction in the dwarf form of S. oualaniensis in the south China Sea is mainly derived from food intake, and there are sex-specific variations in the tissue energy density, energy accumulation and relative energy accumulation of both somatic and reproductive tissues.
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