905-794-2325 ecometrix.ca Fish populations and aquatic invertebrates gain a fresh hold. Biological Monitoring Program Challenge To develop and implement a biological monitoring program with criteria to demonstrate ecosystem recovery subsequent to major remediation efforts. Background The Blackbird Mine (currently inactive) is situated in east central Idaho, USA. Two Panther Creek tributaries, Blackbird Creek and Big Deer Creek, are the primary receivers of mine drainage. Prior to mine development, Panther Creek supported abundant populations of anadromous Chinook Salmon (Oncorhynchus tshawytscha) and steelhead (O. mykiss). During operations (1948 to 1967), metal enriched mill effluents and tailings frequently entered Blackbird Creek, and were transported downstream to Pan

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