Survival and behaviour of captive Mallard broods exposed to carbofuran-sprayed vegetation: a field experiment Pamela A. MartinDouglas J. Forsyth Papers Pages: 79 - 92
The impact of the Cyanamid Canada Co. discharges to benthic invertebrates in the Welland River in Niagara falls, Canada Mike DickmanGrazyna Rygiel Papers Pages: 93 - 122
Short-term effects of herbicides on primary productivity of periphyton in lotic environments Kristine E. Day Papers Pages: 123 - 138
Accumulation and effects of lead and cadmium on wood ducks near a mining and smelting complex in Idaho Lawrence J. BlusCharles J. HennyRobert A. Grove Papers Pages: 139 - 154