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Title: Bacterial Nitrogen Fixation in a Polluted Coral Reef Flat Ecosystem, Kaneohe Bay, Oahu, Hawaiian Islands 
Author: Hanson, R.B.; Gundersen, K.R.
Date: 1976-10
Publisher: University of Hawaii Press
Citation: Hanson RB, Gundersen KR. 1976. Bacterial nitrogen fixation in a polluted coral reef flat ecosystem, Kaneohe Bay, Oahu, Hawaiian Islands. Pac Sci 30(4): 385-393.
Abstract: Benthic nitrogen fixation was investigated in Kaneohe Bay, Oahu,
Hawaiian Islands, which receives secondary sewage from two treatment plants.
The range of nitrogen fixation rates (2 to 10 ng N2g-l hr-l) was similar to those
reported by other workers for a variety of benthic systems. Enrichment cultures
prepared from sediment samples from five stations revealed the existence of several
distinct physiological types of nitrogen-fixing bacteria. It was found that 50 percent
of the bacterial fixation in the southern sector was light-dependent. There was a
significant relationship between the numbers of nitrogen-fixing bacteria detected
and rates of nitrogen fixation measured in the sediments.
ISSN: 0030-8870

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