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This report provides an update on Marsh Monitoring Program survey route coverage and marsh bird and amphibian population indices and trends from 1995 - 2003. Trend summaries are provided for individual Great Lake water bodies, and for the Great Lakes basin as a whole. This report demonstrates the value of MMP data, and how citizen scientists throughout the Great Lakes region are playing an important role to address many previously unanswered questions pertaining to marsh bird and amphibian conservation. This report also conveys our appreciation to the agencies and foundations that dedicate their long-term support for the Marsh Monitoring Program, and to the hundreds of Great Lakes citizens who have volunteered with the program over the past nine years. Their contributions are both highly valued and extremely important.

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