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Biochemical composition and the contributions of hydrolysable particulate organic matter in the Ross Sea, Antarctic Ocean

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Title
Biochemical composition and the contributions of hydrolysable particulate organic matter in the Ross Sea, Antarctic Ocean
Other Titles
남극로스해에서 입자성유기물질의 생화학적 조성과 가수분해를 통한 생물이 이용할수 있는 먹이양 추정
Authors
Kim, Bo Kyung
Jo, Na-eun
La, Hyoung Sul
Lee, BoYeon
Kim, Jeong-Hoon
Ha, Sun-Yong
Issue Date
2019
Citation
Kim, Bo Kyung, et al. 2019. Biochemical composition and the contributions of hydrolysable particulate organic matter in the Ross Sea, Antarctic Ocean. 2019 The Korean Association of Ocean Science and Technology Societies conference. international convention center jeju. 2019.05.15~2019.05.17.
Abstract
Water (<100 m) samples were collected from the Ross Sea (Antarctica) in late February to early March 2018, with the aim of investigating the spatial distribution of biochemical composition (proteins; PRT, carbohydrates; CHO, and lipids; LIP) and bioavailability of particulate organic matter (POM). Overall, the biochemical composition of POM was dominated by CHO, which accounted for 58.8% (SD = ± 12.8%) of total POM concentration, followed by PRT(21.0 ± 11.3%) and LIP (20.2 ± 9.7%). The particulated hydrolysable PRT (HPRT) ranged from below the detection limit 0 to 56.7 μg/L, hydrolysable CHO (HCHO) from 7.6 to 121.0 μg/L, and hydrolysable LIP (HLIP) from 7.0 to 86.6 μg/L, respectively. As a result, HPRT, HLIP, and HCHO accounted for 67.9%, 37.8%, and 64.6% of each compound, respectively. These results showed that PRT and CHO were largely used as sources of energy for higher trophic levels in the Ross Sea. .
URI
https://repository.kopri.re.kr/handle/201206/12263
Conference Name
2019 The Korean Association of Ocean Science and Technology Societies conference
Conference Place
international convention center jeju
Conference Date
2019.05.15~2019.05.17
Appears in Collections  
Ecosystem Structure and Function of Marine Protected Area (MPA) in Antarctica (17-18) / Kim, Jeong-Hoon (PM17060)
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