Fraser River Environmental Watch Report
August 7th, 2006

Fraser River Discharge at Hope

Critical Levels for Fish Passage through Fraser Canyon:

7000 cms - Early signs of physiological stress evident

8000 cms - Difficultly in migration delaying migration time.

9000 cms - Barrier to migration through Hell's Gate.

Graph showing discharge.

Fraser River Water Temperatures at Hope

18°C - Decreased swimming performance

19°C - Early signs of physiological stress and slow migration

20°C - Associated with high pre-spawn mortality and disease

21°C - Chronic exposure can lead to severe stress and early mortality.

Graph showing daily temperatures

Table showing actual temperatures.