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Title: Microbial Biomass In the Euphotic Zone of the North Pacific Subarctic Water 
Author: Seki, Humitake
Date: 1970-04
Publisher: University of Hawai'i Press
Citation: Seki H. 1970. Microbial biomass in the euphotic zone of the North Pacific subarctic water. Pac Sci 24(2): 269-274.
Abstract: Microbiological investigations were made in the North Pacific subarctic
water during spring of 1969. Total bacteria, heterotrophic bacteria, yeasts,
and glucose uptake by microorganisms were measured in the euphotic zone. There
was no heterogeneity in the distribution of microbial biomasses between Alaskan
Gyre, mid-Pacific transitional water, and Western Gyre. Another statistical analysis
showed that there was microzonation in the microbial distribution but no specific
vertical distribution of total bacteria, heterotrophic bacteria, and glucose uptake.
The microbial biomass in the euphotic zone of the North Pacific subarctic water in
spring was estimated to be (3 .0 ± 1.4) X 10^3 clumps of total bacteria per ml,
2.1 ± 1.9 clumps of heterotrophic bacteria per 10 ml, and a glucose-carbon uptake
of 89 ± 32 μg per m^3 per day.
ISSN: 0030-8870

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