Publications

ban of ddt and subsequent recovery of reproduction in bald eagles.	reproduction of bald eagles in northwestern ontario declined from 1.26 young per breeding area in 1966 to a low of 0.46 in 1974 and then increased to 1.12 in 1981. residues of dde in addled eggs showed a significant inverse relation, confirming the effects of this toxicant on bald eagle reproduction at the population level and the effectiveness of the ban on ddt. the recovery from dde contamination in bald eagles appears to be occurring much more rapidly than predicted.	1982	7146905
herring gulls and great black-backed gulls as indicators of contaminants in bald eagles in lake ontario, canada.	in 2000, a pair of bald eagles (haliaeetus leucocephalus) nested successfully along the shorelines of lake ontario in north america for the first time since 1957. however, it is a continuing question whether bald eagles will be able to reproduce successfully as they return to nest on lake ontario. great black-backed gulls (larus marinus) and herring gulls (l. argentatus) were selected as surrogate species to predict contaminant levels in eggs of bald eagles nesting on lake ontario. because of th ...	2002	12013123