Borneo fieldwork and Harvard
After graduating from Cambridge in 1956, Ashton worked on forest botany in Brunei and Sarawak, earning his doctorate in 1962. He joined Aberdeen in 1966 and Harvard in 1978, directing the Arnold Arboretum from 1978 to 1987. Field experience remained central to his research.
Canopy reproduction and tree distributions
Ashton investigated why trees occupy different soils and habitats and how widely separated individuals pollinate and reproduce. Working with engineers, his team used equipment to reach canopy flowers, connecting reproductive processes with genetic variation and the distribution of species.
Disagreement and shared study design
In Ashton’s account, discussions with Hubbell in 1982 revealed that regional small plots and a single large plot could reveal different patterns. They promoted a comparable 50-hectare plot at Pasoh, Malaysia, using common methods to investigate habitat differences and dispersal limitation.
References: [2]
Beyond charismatic animals
In a 2007 lecture using Borneo as an example, Ashton argued that protecting popular, wide-ranging animals does not necessarily cover the most plant-rich lowland forests. He advocated examining tree diversity and habitats directly, including small forest remnants easily overlooked in conservation planning.
References: [3]