By Lenore Fahrig (Chancellor's Professor, Dept. Biology, Carleton University, Ottawa).
Habitat loss is the main cause of current species extinctions. Environmental policies usually emphasize preservation of large, contiguous tracts of habitat. My work shows that the cumulative value of small bits of habitat for biodiversity is at least as great as the value of one or a few large tracts totalling the same area. Biodiversity conservation will depend on a wholesale shift in environmental policies to recognize and protect small habitat areas.
Upcoming Cutting Edge lectures
Nov. 14: Anna Hargreaves (Dept. Biology, McGill University)
Dec. 12: Amy Blum (Dept. Chemistry, McGill University)