Study on the development of statolith of scyphozoa using detailed distribution of sulfur isotope

2011 Fiscal Year Final Research Report

• Project/Area Number: 22658062
• Research Category: Grant-in-Aid for Challenging Exploratory Research
• Allocation Type: Single-year Grants
• Research Field: General fisheries
• Research Institution: Fisheries Research Agency
• Principal Investigator: TOYOKAWA Masaya 独立行政法人水産総合研究センター, 西海区水産研究所, 主任研究員 (60371837)
• Research Collaborator: SANO Yuji 東京大学, 大気海洋研究所・海洋化学部門, 教授 ; SHIRAI Kotaro 東京大学, 大気海洋研究所・国際沿岸海洋研究センター, 助教
• Project Period (FY): 2010 – 2011
• Keywords: 生態・行動 / 二次イオン質量分析 / NanoSIMS / 硫酸カルシウム / ミズクラゲ

Research Abstract

Sulfur isotope ratio(∂^<34> S) of statolith of Aurelia sp. was analyzed. The∂^<34> S of statolith of Aurelia sp. medusae which were raised in seawater of 10.8‰(sd=0.26, N=10) was 12.0‰(sd=0.20, N=3), those in seawater of-0.4‰(sd=0.21, N=7) was 2.2‰(sd=0.07, N=2). The isotope fluctuation was+0.7～+2.2‰.