Great blue heron--Nests; Soils--Analysis; Animal droppings
The damaging effect of Great Blue Heron (Ardea herodias) excrement on nest trees was determined by observation and Hellige-Truog soil analysis methods. In large heronries high chemical concentrations kill nest trees and result in movement of heronry boundaries to o live tree area.
Kerns, J. M.,
Howe, J. F.
Factors Determining Great Blue Heron Rookery Movement.
Journal of the Minnesota Academy of Science, Vol. 34 No.2, 80-83.
Retrieved from https://digitalcommons.morris.umn.edu/jmas/vol34/iss2/7