Details of Award

NERC Reference : NER/T/S/2002/00228

Ecological significance of surface and subsurface exchange in lowland channels.

Principal Investigator:: Professor M Trimmer, Queen Mary University of London, Sch of Biological and Chemical Sciences
Co-Investigator:: Professor A Hildrew, Queen Mary University of London, Sch of Biological & Behavioural Sciences
Co-Investigator:: Professor JI Jones, Queen Mary University of London, Sch of Biological & Behavioural Sciences
Co-Investigator:: Dr J Schmid-Araya, Queen Mary University of London, Sch of Biological and Chemical Sciences
Grant held at:: Queen Mary University of London, Sch of Biological and Chemical Sciences

ENRIs:: Pollution and Waste; Natural Resource Management
Science Topics:: Biogeochemical Cycles; Ecosystem Scale Processes; Hydrological Processes; Community Ecology

Abstract:: LOCAR seeks to understand surface-subsurface exchange in permeable catchments from a biological perspective. We will combine measurements of nutrient pools (N & P) and a characterisation of isotopic signatures of the available N and seasonal biomass (primary and secondary production) with an assessment of biogeochemical function through -gas profiles (CO2, CH4 and N2O), porewater nutrients and stable isotope tracers (15NO3-) within exchange patches. Primarily we aim to assess how patch configuration affects retention, hyporheic biogeochemical processes and, in turn, the bio-availability of nutrients to production and whether seasonal variations in abundance of production correlates with biogeochemical function. In addition, provide data for a hydrogeochemical modelling effort to improve prediction of hydrochemical and nutrient function in permeable lowland catchments.

Authorised funds only

This grant award has a total value of £239,966

Total - Staff	Total - T&S	Total - Other Costs	Total - Equipment	Total - Indirect Costs
£122,579	£12,346	£16,508	£20,653	£67,879

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