Allocating monitoring effort in the face of unknown unknowns

Ecology Letters (2010) 13: 1325–1337 Abstract There is a growing view that to make efficient use of resources, ecological monitoring should be hypothesis‐driven and targeted to address specific management questions. ‘Targeted’ monitoring has been contrasted with other approaches in which a range of quantities are monitored in case they exhibit an alarming trend or provide ad hoc ecological insights. The second form of monitoring, described as...