Distribution and significance of chlorophyll derivatives and oxidation products during the spring phytoplankton bloom in the Celtic Sea April 2002

被引：28
|
作者：
Walker, JS [1 ]
Keely, BJ [1 ]
机构：
[1] Univ York, Dept Chem, York YO10 5DD, N Yorkshire, England
来源：
ORGANIC GEOCHEMISTRY | 2004年 / 35卷 / 11-12期
关键词：
D O I：
10.1016/j.orggeochem.2004.06.017
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：
The abundances and distributions of chlorophyll a and its common transformation products have been profiled by high performance liquid chromatography during the disruption, re-establishment, growth and senescence of a phytoplankton bloom in the Celtic Sea during April 2002. Transformation products of chlorophyll a indicative of herbivory of the phytoplankton bloom have been identified using atmospheric pressure chemical ionisation liquid chromatography-multistage mass spectrometry and chlorophyll oxidation products, formed by autoxidation, are present in increasing abundance in samples collected during the later stages of bloom development. The formation of oxidation products during the earliest stages in the chlorophyll transformation pathway identifies water column processes as sources of these early intermediates in the formation of geologic aetioporphyrins and/or cycloalkanoporphyrins. (C) 2004 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1289 / 1298
页数：10
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