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Details of Award

NERC Reference : NER/B/S/2002/00295

Further evaluation of N2O exchange in N2-fixing cyanobacteria: construction of an environmentally relevant model.

Grant Award

Principal Investigator:
Professor KJ Flynn, Swansea University, Biological Sciences
Science Area:
Terrestrial
Marine
Freshwater
Atmospheric
Overall Classification:
Marine
ENRIs:
Pollution and Waste
Natural Resource Management
Global Change
Science Topics:
Environmental Microbiology
Land - Atmosphere Interactions
Ocean - Atmosphere Interact.
Abstract:
Preliminary NERC-funded work has shown that cyanobacteria act as both a source and a sink of the greenhouse gas, N2O. It is now proposed to study the production and consumption of N2O in cultures of environmentally important cyanobacteria in order to investigate whether N2O can function as a nitrogen source for growth and whether the reactions by which N2O is produced have a bioenergetic role, as is the case in denitrifying bacteria. Kinetic data from these and previous studies on these cyanobacteria will be used to parameterize a dynamic model for N2O exchange and to integrate this into existing models of cyanobacterial nitrogen metabolism. This will allow us to predict the effects of environmental changes on the impact that cyanobacteria have on atmospheric N2O concentrations.
Period of Award:
1 Nov 2002 - 31 Jan 2004
Value:
£31,223
Authorised funds only
NERC Reference:
NER/B/S/2002/00295
Grant Stage:
Completed
Scheme:
Small Grants Pre FEC
Grant Status:
Closed
Programme:
Small Grants

This grant award has a total value of £31,223  

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FDAB - Financial Details (Award breakdown by headings)

Total - StaffTotal - Other CostsTotal - Indirect Costs
£20,318£1,559£9,346

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