EJP Marshall


Jon Marshall is an academic editor and research ecologist, specialising in agroecology, vegetation management, weed science, and the interactions between crop and non-crop habitat on farms. Jon’s first degree was in Biology at the University of York, UK and his PhD on Weed control in drainage channels and its ecological effect was conferred in 1978 at the University of Wales Institute of Science and Technology, Cardiff, UK. His initial research focussed on aspects of vegetation management, first on aquatic weed control at the UK Freshwater Biological Association and then at the Weed Research Organization, Oxford. He subsequently worked on non-crop vegetation management, including roadside verges, country parks and amenity areas. His work at Long Ashton Research Station, Bristol, UK, where he led the Agroecology Group, focussed on vegetation on farms, including interactions between arable crops and field boundaries. His studies on weed movement and herbicide impacts led to the development of sown field margin buffer strips for arable fields. The technique is now supported by UK agri-environmental schemes; farmers are given financial support to create and manage these features. In 2001, Jon created a small research company, Marshall Agroecology Limited, and now works as an independent scientist and consultant, specialising in the ecology of farmland. Jon retains academic status at the University of Bristol, UK, and is the Editor-in-Chief of Weed Research, a previous Editor of the Journal of Applied Ecology, and a member of the Editorial Board of Agriculture, Ecosystems & Environment, all international scientific journals. He currently chairs the Evidence & Monitoring Group of the farming industry-led Campaign for the Farmed Environment in England. Sidelines: Jon was born in Uganda and has played Grand Masters field hockey for England.

Research Fields

Agroecology Agronomy

Editorial Board Memberships
Current Memberships
Past Memberships
Editor Records (manuscripts handled as editor)
Pre Publication Reviews

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Reviews (last 12 months)


Reviews (average per year)






Review to Publication ratio


Journal Impact Factors of journals reviewed for

The distribution of the Journal Impact Factors of journals EJP Marshall has reviewed for.

EJP Marshall

All fields reviewers

Total reviews over time

A cumulative record of EJP Marshall's total number of reviews.

Reviews per month

The total number of reviews performed by EJP Marshall each month.

Average review length

The average number of words per review compared to the average of All fields reviewers and the average of reviewers at affiliated institutions.

Note: only reviews with associated content are included in the graph below and where content is present we can not guarantee that it is complete or truly the content of the review.

Weekly review punchcard

The distribution of days that reviews were performed on, compared to All fields reviewers and reviewers at affiliated institutions.