2027-B03 Managing Contrasting Landscapes for Soil Carbon Sequestration, Soil Biodiversity and Tree Health

PROJECT HIGHLIGHTS

  • Soil carbon sequestration is an important process for climate change mitigation.
  • Land management strategies can significantly improve soil and tree health as well as their carbon sequestration potential. 
  • Soil microbial ecology is an important component of soil and tree heatl and facilitate carbon sequestration.  

Overview

The City of London Corporation manages a nationally significant portfolio of open spaces including Epping Forest, Burnham Beeches, Hampstead Heath, Queen’s Park, West Ham Park, Copped Hall and Patmore’s Field. Through its Carbon Removals Programme, the Corporation is investing in habitat restoration, meadow creation, soil improvement initiatives and woodland resilience measures to support climate mitigation, biodiversity recovery and ecosystem resilience.  

Land management practices influence soil microbiology and chemistry, which in turn regulate carbon sequestration, nutrient cycling and tree resilience. By understanding these relationships, it is possible to design management interventions that simultaneously enhance carbon storage, biodiversity recovery and ecosystem resilience. However, there remains a significant evidence gap regarding which site-specific land management interventions most effectively improve soil condition, increase carbon sequestration and strengthen ecosystem resilience. 

Research Aim  

To develop evidence-based land management recommendations that maximise soil carbon sequestration, enhance soil biodiversity, and improve tree resilience across a diverse network of restored meadows, urban parks, wood pasture and forest landscapes. We would like to answer following questions: 

  1. How do different interventions influence ecosystem resilience, tree and soil health?  
  2. Which soil microbial communities and processes are most strongly associated with carbon accumulation, nutrient cycling and ecosystem recovery under various management strategies?  
  3. How can monitoring evidence be translated into practical land management decisions?  

This project is a CENTA Flagship Project.

Case Projects

This project offers a CASE studentship

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Analysis of existing land management strategies and carbon sequestration potential. We will collect soil and tree samples from selected parks, meadows, forests to measure the concentrations of nutrients and biomass. To assess the impact of new land management applications, we will select suitable land and apply experiments with compost tea, plant trees, apply nutrients etc. We will measure the chemical concentrations using gas and ion chromatography. 

Diversity and metabolism of the microbial communities in soil and tree ecosytems. We will employ DNA and RNA-based tools (amplicon sequencing, metagenomics and metatranscriptomics) to characterise the microbial community and metabolic pathways in soil and tree samples (e.g. root, leaf etc). We will analyse the changes in the diversity of beneficial microbes, their metabolic pathways and impact on carbon sequestration and soil health.  

Overall analysis: We will assess all data and develop practical strategies for land management to increase soil and tree health while increasing carbon sequestration.  

DRs will be awarded CENTA Training Credits (CTCs) for participation in CENTA-provided and ‘free choice’ external training. One CTC can be earned per 3 hours training, and DRs must accrue 100 CTCs across the three and a half years of their PhD.  

The DR will receive comprehensive training across a range of technical skills. Initially, they will be trained in field sampling techniques, including the collection of soil samples. Following this, they will develop analytical expertise, mainly how to use ion and liquid chromatography to quantify key chemicals and nutrient (e.g., nitrogen, phosphorus, total carbon ). The training will also encompass statistical analysis and microbial ecology techniques focusing advanced DNA and RNA-based tools as well as the associated bioinformatics pipelines to analyse amplicon sequencing, metagenomics and metatranscriptomics datasets. 

The City of London developed the Climate Action Strategy, which has a Carbon Removals and Land Management project to help protect the existing carbon stored by open spaces (11000 acres) and to increase their carbon sequestration capacity. These open spaces currently remove over 16000 tonnes of carbon from the atmosphere every year. Land management practices help protect these areas and increase carbon removal by these lands.  

Selected sites (Copped Hall, Epping Forest, Patmore’s Field etc) are undergoing through habitat-creatin projects (e.g. converting to meadow) or land management strategies (e.g. application of compost tea).  

Monitoring these sites in terms of soil and tree health will help better manage these ecosystems and devise best strategies to increase the carbon sequestration capacity. 

Year 1: 

  • Field sampling: Collect soil and tree ecosystem samples from various lands across London. 
  • Chemical analysis: Measure concentrations of nitrogen, phosphorus, total carbon, total biomass etc using analytical tools. Analyse chemical data to monitor changes in soil health and carbon sequestration potential. 
  • Microbial analysis: Extract DNA and RNA from samples to investigate microbial diversity, active metabolic pathways and the impact of land management strategies on soil and tree health. 
  • Field experiment: Apply selected land management strategies on selected sites across London (e.g. compost tea application, new habitat creation, tree planting). 

Year 2: 

  • Data analysis: Analyse sequencing data from soil and tree ecosystem samples. 
  • Field sampling: Collect soil and tree ecosystem samples where field experiment was carried out.  
  • Chemical analysis: Measure concentrations of nitrogen, phosphorus, total carbon, total biomass etc using analytical tools in experimental sites. Analyse chemical data to monitor changes in soil health. 
  • Microbial analysis: Extract DNA and RNA from samples to investigate microbial diversity, active metabolic pathways and the impact of land management strategies on soil and tree health. 

Year 3: 

  • Data analysis: Analyse metagenomics and metatranscriptomics data from the experiments. 
  • Overall data analysis: revise overall data and develop land management strategies. 
  • Dissemination: Write up of manuscripts/thesis. 

Further details and How to Apply

For any enquiries related to this project please contact Ozge Eyice, [email protected].

 To apply to this project:  

  • You must include a CV with the names of at least two referees (preferably three) who can comment on your academic abilities.  
  • Please submit your application and complete the host institution application process via: https://admissions.bham.ac.uk/course-finder-landing-page/?code=LES068 Please select the PhD in School of Biosciences (CENTA) 2027 entry year Apply Now button. The CENTA Studentship Application Form 2027 and CV can both be uploaded to the Personal Statement section of the online form.  In the funding section of the online form please select Research Council Funding and then choose Natural Environment Research Council (NERC).  Please quote CENTA 2027-B03 when completing the application form.  

 Applications must be submitted by 23:59 GMT on Wednesday 6th January 2027.   

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