A major new research project led by the University of Stirling will investigate how the combined effects of climate warning, shifts in vegetation, and nitrogen pollution affect mountain soil biodiversity and the release of carbon from soil, further warming the planet.
Soil is one of the most complex and important resources on earth because it harbours vast biodiversity and stores more carbon than the Earth's atmosphere and vegetation combined.
Dr Arthur Broadbent, who is joining the University of Stirling in January, will lead the study which is funded by a grant of almost £700,000 awarded by the Natural Environment Research Council (NERC). Dr Broadbent said: "Mountain ecosystems are hotspots of biodiversity and store significant amounts of soil carbon. However, they are very vulnerable to global environmental change. They are warming twice as fast as the global average, leading to upward shifts in vegetation, and increased extremes of drought and flooding. At the same time, agricultural and industrial pollution are overloading fragile mountain ecosystems with too much nitrogen, which can have negative effects on ecosystem processes." Dr Broadbent went on to say "Synergistic effects are a particularly pressing knowledge gap in mountain ecosystems, where even fundamental data on soil microbial diversity, functioning, and carbon stocks are lacking. During this fellowship, I will address the knowledge gap on below ground biodiversity in mountain soils and how this critically underpins C-cycling processes. I will also determine how soil biodiversity and functioning respond to multiple drivers of global change, established if there are synergistic effects, and what the consequences of these synergistic effects are for soil carbon stocks in mountain ecosystems worldwide. This new knowledge will help to build environmental resilience by informing land managers and policy managers and policy makers on how best to preserve soil biodiversity and improve natural C storage in the face of rapid climate change."
During the five-year study, Dr Broadbent will carry out experiments in arctic and alpine mountain ranges, collaborate with globally leading mountain researchers in Switzerland, and utilise state-of-the-art facilities at the University of Stirling.
Dr Broadbent said: "The University of Stirling is the ideal place for me to carry out this fellowship. It has an excellent track record in attracting and supporting independent research fellows thanks to its approach to professional development , Excellent facilities, and a collegial research culture. I will have access to state-of-the-art Controlled Environment Facilities, a Mid-to-Near InfraRed Spectrometer and CN elemental analyser, allowing me to conduct tightly controlled mechanistic experiments and measure key carbon cycling parameters central to my Independent Research Fellowship (IRF)."
The NERC IRF scheme is designed to develop significant leadership among the most promising early-career environmental scientists. Dr Broadbent is one of twelve early career researchers awarded a NERC IRF.
Professor Peter Liss, Interim Executive Chair of NERC, said: "NERC Independent Research Fellowships support talented early career researchers to work independently and deliver cutting-edge environmental science. I'd like to offer my congratulations to all those who have been awarded a fellowship this year. Environmental research advances our understanding of the planet and is the key to tackling and adapting to critical challenges such as climate change. By investing in these fellowships, NERC is supporting innovation and sustainability in environmental science and developing leading researcher of the future,"
Dr Broadbent has been awarded £690,233 by NERC, which is one of seven research councils which make up UK Research and Innovation (UKRI), the national funding agency investing in science and research in the UK.
The Global MillerThis blog is maintained by The Global Miller staff and is supported by the magazine Milling and Grain
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