Aspects Of Microbial Heterotrophic Production In A Highly Turbid Estuary

Joint, IR and Pomroy, AJ 1982 Aspects Of Microbial Heterotrophic Production In A Highly Turbid Estuary. Journal of Experimental Marine Biology and Ecology, 58 (1). 33 - 46.

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The uptake of 14C glucose by natural microbial populations has been studied in the Severn Estuary and Bristol Channel, U.K.; the turbidity (suspended solids) in the estuary varied between < 5 mg · 1−1 at the seaward extremity to >800 mg · 1−1 in the estuary proper. The heterotrophic potential, Vm, was found to correlate with turbidity and particulate organic carbon but there was no correlation between microbial biomass, as assessed by plate counts, and turbidity or Vm; measurement of Vm ranged from 0.9 × 10−4 to 288 × 10−4μgC·1−1·h−1 and turnover time from <2 to >100 h. In 17 out of 42 experiments, the uptake of 14C glucose did not conform to Michaelis kinetics and in five of these experiments the data suggested that there may be a threshold of glucose concentration below which there is no uptake.

Item Type: Publication - Article
Subjects: Ecology and Environment
Marine Sciences
Divisions: Plymouth Marine Laboratory > Other (PML)
Depositing User: EPrints Services
Date made live: 11 Feb 2014 15:54
Last Modified: 06 Jun 2017 16:03

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