OPTICAL-EFFICIENCY FACTORS OF FREE-LIVING MARINE-BACTERIA - INFLUENCE OF BACTERIOPLANKTON UPON THE OPTICAL-PROPERTIES AND PARTICULATE ORGANIC-CARBON IN OCEANIC WATERS

被引:103
作者
MOREL, A
AHN, YH
机构
[1] Lab. de Physique & Chimie Marines, Universite Pierre et Marie Curie, B.P. 8
关键词
D O I
10.1357/002224090784984632
中图分类号
P7 [海洋学];
学科分类号
0707 ;
摘要
Free-living coccoid bacteria were isolated from the Mediterranean Sea and cultured in detritus- and predator-free seawater, either unenriched or slightly nutrient-supplemented. The modal diameter of these cultured cells was in the 0.5-1 μm range. The spectral values (within the 400-750 nm λ-range) of absorption, total scattering and backscattering were determined, together with cell enumeration, size distribution and C-N content. The bacterial compartment appears to form a significant contribution to the light scattering within the upper part of the ocean as well as in forming a sizeable fraction of the particulate organic carbon pool. -from Authors
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页码:145 / 175
页数:31
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