John Philip Grime

Trends in Ecology and Evolution has an obituary on John Philip Grime, a giant in plant ecology. Not being well educated in plant ecology, I had not heard of him, but I like to learn.

Two seminal publications of the early 1970s would come to define Phil’s approach to finding universal patterns in the structure of vegetation. ‘Competitive exclusion in herbaceous vegetation’ [1.] introduced the ‘hump-backed’ model, which predicted that plant species richness peaks in communities that produce an aboveground biomass of about 600 g m–2 year–1. The model was one of the first to make specific recommendations about the management of local biodiversity. ‘Vegetation classification by reference to strategies’ [2.] introduced ‘competition-stress-disturbance’ (CSR) theory. CSR would become synonymous with Phil’s approach to studying vegetation; because he chose to present the concept as a triangle of three opposing selection pressures, many would come to refer to CSR theory as Grime’s triangle. Although not obvious from these papers, each was based on extensive vegetation datasets of the Sheffield region compiled by the UCPE team (particularly longtime associate John Hodgson). Although many would come to know Phil as a theorist and provocateur (a role he would assume often in the 1980s and 1990s), Phil would always argue that his insights were born of detailed field observations and a UCPE research team with expertise in both field botany and physiology.

Trends in Ecology and Evolution

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