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Document - The Ramsar Convention on Wetlands: its History and Development
… controlling disease and parasites; limiting lead-poisoning from spent lead shot; controlling excessive numbers … fish. Next came consideration of wetland pollution, lead-poisoning from spent shot, and diseases of waterfowl. The … of controversy until IWRB convened a workshop on “Lead poisoning in waterfowl” in 1991 in Brussels, Belgium (IWRB …