FINAL REPORT - International Joint Commission

Table 1: Key Environmental Performance Indicators
Lake Ontario
Vegetation:
1. *Wetland Meadow Marsh Community - Total surface area, supply-based (ha)
Fish:
2. Fish Guild (Low Vegetation, 18C) - Spawning habitat supply
3. *Fish Guild (High Vegetation, 24C) - Spawning habitat supply
4. Fish Guild (Low Vegetation, 24C) - Spawning habitat supply
5. *Northern Pike – Young-of-year recruitment (#ha)
6. Largemouth Bass – Young-of-year recruitment (#ha)
Birds:
7. *Virginia Rail (RALI) - Median reproductive index (index)
8. Least Bittern (IXEX) - Median reproductive index (index) (Species at risk)
9. *Black Tern (CHNI) - Median reproductive index (index) (Species at risk)
10. Yellow Rail (CONO) - Preferred breeding habitat coverage (ha) (Species at risk)
11. King Rail (RAEL) - Preferred breeding habitat coverage (ha) (Species at risk)
FINAL REPORT
Upper St. Lawrence River
Fish:
12. Fish Guild (Low Vegetation, 18C) - Spawning habitat supply from Thousand Islands to Lake St. Lawrence
13. *Fish Guild (High Vegetation, 24C) - Spawning habitat supply from Thousand Islands to Lake St. Lawrence
14. Fish Guild (Low Vegetation, 24C) - Spawning habitat supply from Thousand Islands to Lake St. Lawrence
15. *Northern Pike – Young-of-year (YOY) recruitment (#ha) from Thousand Islands to Lake St. Lawrence
16. Largemouth Bass – YOY recruitment (#ha) from Thousand Islands to Lake St. Lawrence
17. *Northern Pike – YOY net productivity (grams (wet wt.)/ha) in Thousand Islands area
Birds:
18. *Virginia Rail (RALI) - Median reproductive index (index) on Lake St. Lawrence
Mammals:
19. *Muskrat (ONZI) - House density in drowned river mouth wetlands (#ha) in Thousand Islands area
Lower St. Lawrence River
Fish:
20. *Golden Shiner (NOCR) - Suitable feeding habitat surface area (ha) from Lake St. Louis to Trois-Rivières
21. Wetland Fish - Abundance index (ha) in lower St. Lawrence River
22. *Northern Pike (ESLU) - Suitable reproductive habitat surface area (ha) from Lake St. Louis to Trois-Rivières
23. Eastern Sand Darter (AMPE) - Reproductive habitat surface area (ha) from Lake St. Louis to Trois-Rivières
(Species at risk)
24. *Bridle Shiner (NOBI) - Reproductive habitat surface area (ha) from Lake St. Louis to Trois-Rivières (Species at risk)
Birds:
25. Migratory Wildfowl - Foodplain habitat surface area (ha) from Lake St. Louis to Trois-Rivières
26. Least Bittern (IXEX) - Reproductive index (index) from Lake St. Louis to Trois-Rivières (Species at risk)
27. *Virginia Rail (RALI) - Reproductive index (index) from Lake St. Louis to Trois-Rivières
28. *Migratory Wildfowl - Productivity (# juveniles) from Lake St. Louis to Trois-Rivières
29. Black Tern (CHNI) - Reproductive index (index) from Lake St. Louis to Trois-Rivières
Herpitiles:
30. Frog species - Reproductive habitat surface area (ha) from Lake St. Louis to Trois-Rivières
31. Spiny Softshell Turtle (APSP) - Reproductive habitat surface area (ha) from Lake St. Louis to Trois-Rivières
(Species at risk)
Mammals:
32. *Muskrat (ONZI) - Surviving houses (# of houses) from Lake St. Louis to Trois-Rivières
* Priority subsets of key environmental performance indicators.
Options for Managing Lake Ontario and St. Lawrence River Water Levels and Flows
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