Difference between revisions of "Brown Trout"

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*When do brown trout spawn in Lees Ferry?
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*Could delaying a fall HFE be effective in disrupting the brown trout spawn?
 
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Revision as of 14:05, 19 October 2016


Desired Future Condition for the Lees Ferry Trout Fishery

A high quality trout fishery in GCNRA, as further described in the Recreation DFC that does not adversely affect the native aquatic community in GCNP.
• Minimize emigration of non-native fish from the Lees Ferry reach in Glen Canyon National Recreation Area to downstream locations.
• Minimize emigration of non-native warm water fish to the mainstem Colorado River.

RainbowTrout1.jpg
Rainbow Trout
BrownTrout1.jpg
Brown Trout

Updates

BrownTroutLeesFerry.jpg
Brown trout numbers during AZGFD monitoring in the Lees Ferry reach. AZGFD identifies that the increase in brown trout numbers may be related to the recent fall HFEs.


RBT BT piscivory.jpg

Trout piscivory in the Colorado River, Grand Canyon: Effects of turbidity, temperature, and fish prey availability

INFORMATION

Presentations and Papers

2016

2013

2011

Other Stuff

  • When do brown trout spawn in Lees Ferry?
  • Could delaying a fall HFE be effective in disrupting the brown trout spawn?