Sterol identification in floating Arctic sea ice algal aggregates and the Antarctic sea ice diatom Berkeleya adeliensis

被引：24

作者：

Belt, Simon T. ^{[1
]}

Brown, Thomas A. ^{[1
,2
]}

Smik, Lukas ^{[1
]}

Assmy, Philipp ^{[3
]}

Mundy, C. J. ^{[4
]}

机构：

[1] Univ Plymouth, Sch Geog Earth & Environm Sci, Biogeochem Res Ctr, Plymouth PL4 8AA, Devon, England

[2] Scottish Assoc Marine Sci, Marine Ecol & Chem, Oban PA37, Argyll, Scotland

[3] Fram Ctr, Norwegian Polar Inst, NO-9296 Tromso, Norway

[4] Univ Manitoba, CEOS, Winnipeg, MB R3T 2N2, Canada

来源：

ORGANIC GEOCHEMISTRY | 2018年 / 118卷

基金：

加拿大自然科学与工程研究理事会;

关键词：

Sterols; Sea ice; Biomarker; Arctic; Antarctic; SPRING BLOOM; COMMUNITIES; MARINE;

D O I：

10.1016/j.orggeochem.2018.01.008

中图分类号：

P3 [地球物理学]; P59 [地球化学];

学科分类号：

0708 ; 070902 ;

摘要：

A number of common sterols were identified in sea ice diatoms from the Arctic and the Antarctic. The main sterols in floating sea ice algal aggregates collected from Resolute Passage (Canadian Arctic) and Nansen Basin (North Svalbard) in 2012 were 22E-dehydrocholesterol, cholesterol, epi-brassicasterol, 24-methylenecholesterol and 24-ethylcholesterol, although the distribution varied between the two locations, likely reflecting compositional differences in diatom taxa. The three major sterols in cells of Berkeleya adeliensis picked from a melted sea ice core collected from Ryder Bay in the Antarctic Peninsula in 2014, were 24-ethylcholesterol, cholesterol and 22E-dehydrocholesterol. We suggest that certain sea ice diatoms may thus contribute to the sedimentary budget of common sterols in seasonally sea ice-covered locations following ice melt. (C) 2018 Elsevier Ltd. All rights reserved.

引用

页码：1 / 3

页数：3

共 50 条

[31] Reconstruction of Arctic Sea Ice Thickness and Its Impact on Sea Ice Forecasting in the Melting Season [J].

Yang, Lu ;

Fu, Hongli ;

Luo, Xiaofan ;

Zhang, Xuefeng .

JOURNAL OF ATMOSPHERIC AND OCEANIC TECHNOLOGY, 2024, 41 (07) :685-704

[32] Unprecedented sea-ice minima enhances algal production deposited at the Arctic seafloor [J].

Stevenson, Mark A. ;

Airs, Ruth L. ;

Abbott, Geoffrey D. .

ENVIRONMENTAL RESEARCH LETTERS, 2023, 18 (11)

[33] Sea ice concentration inversion based on different Arctic sea ice types [J].

Wang, Xingdong ;

Sun, Zehao ;

Guo, Zhi ;

Zhao, Yanchuang ;

Wang, Yuhua .

FRONTIERS IN MARINE SCIENCE, 2024, 11

[34] A DINOFLAGELLATE CYST FROM ANTARCTIC SEA ICE [J].

BUCK, KR ;

BOLT, PA ;

BENTHAM, WN ;

GARRISON, DL .

JOURNAL OF PHYCOLOGY, 1992, 28 (01) :15-18

[35] Ocean-Sea Ice Processes and Their Role in Multi-Month Predictability of Antarctic Sea Ice [J].

Libera, Stephy ;

Hobbs, Will ;

Klocker, Andreas ;

Meyer, Amelie ;

Matear, Richard .

GEOPHYSICAL RESEARCH LETTERS, 2022, 49 (08)

[36] Insights into the Production and Role of Nitric Oxide in the Antarctic Sea-ice Diatom Fragilariopsis cylindrus [J].

Kennedy, Fraser ;

Martin, Andrew ;

McMinn, Andrew .

JOURNAL OF PHYCOLOGY, 2020,

[37] Biogeochemical conditions and ice algal photosynthetic parameters in Weddell Sea ice during early spring [J].

Meiners, Klaus Martin ;

Papadimitriou, S. ;

Thomas, D. N. ;

Norman, L. ;

Dieckmann, G. S. .

POLAR BIOLOGY, 2009, 32 (07) :1055-1065

[38] Arctic sea ice trends and narwhal vulnerability [J].

Laidre, KL ;

Heide-Jorgensen, MP .

BIOLOGICAL CONSERVATION, 2005, 121 (04) :509-517

[39] Arctic Sea Ice in CMIP6 [J].

Notz, Dirk ;

Doerr, Jakob ;

Bailey, David A. ;

Blockley, Ed ;

Bushuk, Mitchell ;

Debernard, Jens Boldingh ;

Dekker, Evelien ;

DeRepentigny, Patricia ;

Docquier, David ;

Fuckar, Neven S. ;

Fyfe, John C. ;

Jahn, Alexandra ;

Holland, Marika ;

Hunke, Elizabeth ;

Iovino, Doroteaciro ;

Khosravi, Narges ;

Madec, Gurvan ;

Massonnet, Francois ;

O'Farrell, Siobhan ;

Petty, Alek ;

Rana, Arun ;

Roach, Lettie ;

Rosenblum, Erica ;

Rousset, Clement ;

Semmler, Tido ;

Stroeve, Julienne ;

Toyoda, Takahiro ;

Tremblay, Bruno ;

Tsujino, Hiroyuki ;

Vancoppenolle, Martin .

GEOPHYSICAL RESEARCH LETTERS, 2020, 47 (10)

[40] On the ecology of Acoela living in the Arctic Sea ice [J].

Friedrich, C ;

Hendelberg, J .

BELGIAN JOURNAL OF ZOOLOGY, 2001, 131 :213-216

← 1 2 3 4 5 →