I focus on interspecific interactions, community structure, and the relationship between biodiversity and ecosystem processes. I investigate the role of anthropogenic disturbance in shaping diversity and interactions, above and belowground, at trophic levels directly (herbivores, pollinators) and indirectly (predators, parasites) connected to plants. I am also interested in how these effects vary across spatial and biological scales.
Lead Author, IPBES Expert Group for delivering the IPBES regional assessment for Europe and Central Asia(Deliverable 2b)
Lead Author, IPBES Expert Group for delivering an assessment on pollinators, pollination and food production (Deliverable 3a)
Science Co-ordinator, UK Insect Pollinator Initiative (IPI) Research Programme 2010-2015
Invited Member of Defra Pollinator Expert Advisory Group (PEAG) 2013-2014
Honorary Secretary & Trustee of the British Ecological Society (BES) 2015-2018
Director & Trustee of the British Ecological Society (BES) 2008-2012