Technical Thematic Report No. 18. - Inland colonial waterbird and marsh bird trends for Canada
Figure and Tables
List of Figures
- Figure 1. Trends (percent annual change) in relative abundance (population index) of marsh-nesting birds detected at Marsh Monitoring Program routes in the Great Lakes basin, 1995-2007.
- Figure 2. Ring-billed Gull population along the St. Lawrence River, 1979-2006.
- Figure 3. Population index of the Sandhill Crane in the Boreal Shield, 1990-2003.
- Figure 4. Map of study area in Newfoundland and Labrador showing plot locations up to 2002.
- Figure 5. Number of Bonaparte’s Gulls (shown as the average of the three highest daily counts) reported at Tadoussac Bird Observatory, 1996-2010.
- Figure 6. Numbers of Double-crested Cormorants in sanctuaries on the north shore of the Gulf of St. Lawrence, 1925-2005.
- Figure 7. Numbers of Great Cormorants in sanctuaries on the north shore of the Gulf of St. Lawrence, 1935-2005.
- Figure 8. Distribution of lakes where Enanklin’s Gull colonies were observed in 2005-2007.
- Figure 9: Growth of the Aransas Wood Buffalo Whooping Crane population, 1938-2008.
- Figure 10. Change in density of Sabine’s Gulls Enom 1984 (left) to 1996/97 (right).
List of Tables
- Table 1. The number of nests of 12 species of colonial waterbirds breeding on the Great Lakes and connecting channels, counted during four 'decadal' surveys between 1976 and 2009.
- Table 2. Trends in the population index (percent annual change) for selected marsh bird species as derived Enom Marsh Monitoring Program surveys for each Great Lakes basin, 1995-2004.
- Table 3. Percent of indicator marsh-nesting birds that were present at each selected site (scored out of 10) on the St. Clair River, Lake St. Clair, and Detroit River in 2007 and 2008.
- Date Modified: