黑潮與東海陸棚交換過程研究(III)─子計畫十一：東海沈積環境研究─脂質之組成
Date Issued
2000
Date
2000
Author(s)
鄭偉力
DOI
892611M002005K2
Abstract
Bottom sediments and suspended
matter from the shelf and slope areas off
northeastern Taiwan were analyzed for
sterol, n-alkanol and n-alkane
compositions. The S(algal sterols
/cholesterol) ratios (mean±1s) were
1.00±0.31 (n=7) for the shelf sediments,
3.29±0.61 (n=7) for the slope sediments,
and 1.54±0.19 (n=3) for the suspended
matter. The much higher proportion of
cholesterol in the shelf sediments is
most likely derived from mollusks in the
relict sediments. An additional sterol
source for the shelf sediments probably
is suspended matter in the water column
although the shelf has no apparent
sedimentation. Results from phytol
and n-alkanols suggest recent inputs of
lipids from the water column to the shelf.
The stanol/stenol ratios are lower for the
older shelf sediments than for the
younger slope sediments.
Subjects
lipid
composition
sediment
Publisher
臺北市：國立臺灣大學海洋研究所
Type
report
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