| 林東明，宋維，馮藝璿.阿根廷滑柔魚能量積累的食物組成及其生態角色的研究進展.漁業科學進展，2024,45（2）：162-172 |
| 阿根廷滑柔魚能量積累的食物組成及其生態角色的研究進展 |
| Diet composition and ecological role of Argentinean shortfin squid Illex argentinus during energy accumulation: A review |
| 投稿時間：2022-10-25 修訂日期：2023-01-02 |
| DOI： |
| 中文關鍵字： 阿根廷滑柔魚 能量積累 食物組成 生態位 頭足類 |
| 英文關鍵字： Illex argentinus Energy accumulation Diet composition Ecological niche Cephalopod |
| 基金項目： |
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| 摘要點擊次數： 234 |
| 全文下載次數： 241 |
| 中文摘要： |
| 阿根廷滑柔魚（Illex argentinus）是生長速度快、終生一次繁殖產卵、生命週期短的大洋淺海性頭足類，也是世界上重要的經濟物種。在西南大西洋生態系統中，阿根廷滑柔魚發揮著重要的“生物泵”作用。在短暫的生命週期裏，阿根廷滑柔魚具有索餌–生殖洄游的生活史特徵，並採取收入–資本混合型的生殖投入策略，即以現場攝食餌料吸收轉化的能量投入為主、肌肉存儲能量投入為輔。在不同的棲息海域與生長發育階段，阿根廷滑柔魚具有不同的食物組成。本文扼要概述阿根廷滑柔魚的組織能量積累特點、能量積累過程的食物組成變化以及在西南大西洋生態系統中作為能量傳輸者的生態角色。同時，探討了阿根廷滑柔魚能量積累需求與洄游、攝食策略的關係，並對阿根廷滑柔魚作為海洋食物網能量傳輸者的生態角色在氣候變化、漁業活動背景下的變化做了展望分析，可為持續開發該種類資源提供資料參攷。 |
| 英文摘要： |
| The Argentine shortfin squid Illex argentinus is a pelagic neritic cephalopod species found in the southwest Atlantic Ocean.The squid is characterized by a short lifespan，fast growth，and semelparous reproduction.The squid is one of most important targeted species in global cephalopod fisheries and plays a key role as transient“biological pumps”in the southwest Atlantic ecosystem.The squid is a highly migratory species and can migrate hundreds or even thousands of miles between its spawning and feeding ground to complete its life cycle.The squid adopts a mixed income-capital breeding strategy，where the reproduction is mainly supported by energy acquired and mobilized rapidly during the breeding season，coupled with using energy reserves when energy demands for reproduction are robust.The squid shows spatial differences in feeding habits and also shift diets as they grow，leading to different trophic niches.In general，the squid diet shifts from crustaceans to fish and cephalopods as they mature.Given the fact that species in a higher trophic position have greater energy content，a diet shift to fish and cephalopods is expected to meet the energy demands for reproduction.In the present review，we summarized the characteristics of energy accumulated in soma and reproductive systems for I. argentinus，which shows a dramatic increase in energy in the reproductive tissues when the squid reaches maturation.In addition，we compiled previous studies that focused on diet composition and trophic roles in the southwest Atlantic ecosystem，where the squid feeds voraciously on many prey species and plays a key role as prey item for many top predators，including marine mammals.Notably，squid changes diets in relation to energy demands and resource availability.However，future research is still needed to address the functional mechanisms of the shifting dietary habits with growth.To justify the mechanism，we suggest the following priorities in the near future studies:（1）evaluate the relationships between energy acquisition and migratory habits；（2）clarify feeding strategies that potentially maximize the energy gain；and（3）address the potential effect of the ongoing global climate change and fishery activity on the role of energy transfer in the southwest Atlantic ecosystem.Such research would advance our understanding of the species and support the sustainability of resource exploitation. |
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