Question from readings on Leech Lake Cormorant Walleye Management – 2005 Annual Report Figures 1-4: The management problem was that from 1998-2004 cormorant numbers went up while walleye numbers went down. What data did the DRM collect on foraging behavior of cormorants before making the decision in 2005 to cull the cormorant population? What other factors played a role in that decision? Decision rationale What alternatives to culling cormorants did the resource managers consider? Did they exercise due diligence? 2007 Diet Study by Steve Mortensen and John Ringle What are the main prey species of cormorants in Leech Lake? What proportion of their diet is walleye? 2008 Annual Report & Draft Fishery Plan 2011-15 What factors led to the recovery of the walleye population?
Question from readings on Leech Lake Cormorant – Walleye Management 2005 Annual Report Figures 1-4: The management problem was that from 1998-2004 cormorant numbers went up while walleye numbers went down. What data did the DRM collect on foraging behavior of cormorants before making the decision in 2005 to cull the cormorant population? What other factors played a role in that decision? Decision rationale What alternatives to culling cormorants did the resource managers consider? Did they exercise due diligence? 2007 Diet Study by Steve Mortensen and John Ringle What are the main prey species of cormorants in Leech Lake? What proportion of their diet is walleye? 2008 Annual Report & Draft Fishery Plan 2011-15 What factors led to the recovery of the walleye population?