IN CONTEXT

KEY FIGURE

Ryan M. Keane, Michael J. Crawley (1949–)

BEFORE

1951 The International Plant Protection Convention is set up to prevent the introduction and spread of pests of plants and plant products as a result of international trade. It is adopted in many countries.

1958 The Ecology of Invasions by Plants and Animals by British ecologist Charles Elton is the first book to be published on invasion biology.

AFTER

2014 Studies of some of the “world’s worst” invasive species by ecologists at Queen’s University, Belfast, and Stellenbosch University, South Africa, reveal that the ecological impacts of these species could be predicted from ...

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