Protocol Details for Monitoring Aquatic Nuisance Species

Protocol Details for Monitoring Aquatic Nuisance Species Protocol Details for Monitoring Aquatic Nuisance Species

Fish - Ruffe

Multiple - benthic

Qualitative:

Quantitative:

Yes

Rapid Assessment:

Specs:

Distance:

Frequency:

Gear:

minnow trap

Method:

Although the 4.9 m trawl is the primary gear used in this sampling programme, alternative gears such as this one are sometimes used when the large trawl is unfeasible.

Minnow traps are anchored, baited with worms and fished overnight near structure where fish would hide or feed. Effort is recorded in trap night and would consiste of one night with seven traps for a total of seven trap nights effort per sampling location.

Comments:

Reference 1

author	U.S. Fish and Wildlife Service, Alpena FRO
Date	2004
Title	Lake Huron Invasive Species Surveillance and Nearshore Fish Community Monitoring Protocol
pages	5 pp.

Reference 2

author	Keppner, Sandra M., Thomas R. Busiahn, Jerry McClain and Gord Johnson
Date	1997
Title	Surveillance for Ruffe in the Great Lakes - An Overview
journal	Great Lakes Research Review
vol	3
issue	1
pages	17-26
URL	http://sgnis.org/publicat/papers/surrve.pdf
key_words	ruffe, protocols, Gymnocephalusus cernus

Reference 3

author	U.S. Fish and Wildlife Service, Alpena FRO
Date	2004
Title	Eurasian Ruffe
URL	http://midwest.fws.gov/alpena/eurasianruffe.htm