On the Dock | Aug 5, 2013 | 8:21

Great Lakes water levels threaten fishery

Water levels are at historic lows this year on the Great Lakes system.

Now Playing on CBC Radio Help Refresh

Live audio streams for phones and tablets: Radio One and CBC Music (Radio 2, Radio 3 and more)

CBC Radio One

Listen Live Ottawa change

CBC Radio 2

Listen Live Eastern change

CBC Radio 3

Listen Live Radio 3