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(BBSRC DTP) Quantifying greenhouse gas emissions in agri-ecosystems across multiple scales


Project Description

This exciting project will provide training for careers in sustainable agriculture. The project will develop new understanding of how grazed grassland management practices influence and mitigate greenhouse gas emissions. The focus will be on upland grasslands and make use of long-term experiments in the Yorkshire Dales National Park that have been running for between 5 and 25 years, and include manipulations of plant functional type and management practices. These experiments will be ideally suited to make fine scale measurements of greenhouse gas fluxes at high temporal resolution using our novel mobile laboratory (‘GasLab’). Additionally, the use of stable isotope tracers will enable detailed investigation of the mechanisms contributing to these fluxes, including the soil biological pathways of denitrification, which is a major pathway for the production of the potent greenhouse gas nitrous oxide (N2O). For example, addition of 15NO3 to soil will enable precise quantification of the dynamics and pathways of N2O production in grasslands subjected to different management and environmental treatments, and use of 13CO2 will test how recent assimilate may regulate N2O production.

https://www.research.manchester.ac.uk/portal/david.johnson-2.html
http://www.soilecosystemecologylab.manchester.ac.uk
@gaslabuom

Entry Requirements:
Applications are invited from UK/EU nationals only. Applicants must have obtained, or be about to obtain, at least an upper second class honours degree (or equivalent) in a relevant subject.

Funding Notes

This project is to be funded under the BBSRC Doctoral Training Partnership. If you are interested in this project, please make direct contact with the Principal Supervisor to arrange to discuss the project further as soon as possible. You MUST also submit an online application form - full details on how to apply can be found on the BBSRC DTP website View Website

As an equal opportunities institution we welcome applicants from all sections of the community regardless of gender, ethnicity, disability, sexual orientation and transgender status. All appointments are made on merit.

References

1 Butterbach-Bahl K et al. 2018. Nitrous oxide emissions from soils: how well do we understand the processes and their controls? Phil Trans R Soc B 368: 20130122.
http://dx.doi.org/10.1098/rstb.2013.0122
2 Hortnagl L et al. 2018. Greenhouse gas fluxes over managed grasslands in Central Europe. Global Change Biology 24, 1843-1872
3 Wall DH et al. 2015. Soil biodiversity and human health. Nature 528, 69-76.
4 Ostrom et al. 2010. Isotopologue data reveal bacterial denitrification as the primary source of N2O during a high flux event following cultivation of a native temperate grassland. Soil Biology & Biochemistry 42, 499-506

How good is research at The University of Manchester in Earth Systems and Environmental Sciences?

FTE Category A staff submitted: 42.13

Research output data provided by the Research Excellence Framework (REF)

Click here to see the results for all UK universities

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