[Pollinator] quantative surveys?

[David Inouye]

What were the earliest quantitative surveys of pollinators in North 
America?  E.g., counts of visitation rates to flowers, or surveys of 
pollinator abundance.

David


Dr. David W. Inouye, Professor
Dept. of Biology
University of Maryland
College Park, MD 20742-4415

Rocky Mtn. Biological Laboratory
PO Box 519
Crested Butte, CO 81224

inouye at umd.edu
301-405-6946