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



Fish - General
Rivers and Creeks
Qualitative: no
Quantitative: Yes
Rapid Assessment: No
Specs:
Distance:
Frequency:
Gear: backpack electroshocker
Method:

This protocol is modified from the general EPA EMAP wadeable streams as follows:

a)  Data recording is slightly modified

b)  Crayfish are included in the sampling

c)  External anomalies is not required

d) Determination of total lengths of 30 individuals of each dominant species is not required.

The primary gear for this sampling is the backpack electroshocker; however, block netting and seining are used where shocking is impractical (see document).

Sampling in each reach is for at least 45 min, but no more than 3 h.  Sampling is along the entire reach.  Pulsed DC current is used (either 30 or 60-70 Hz, depending on catch).

A bank/towed electrofishing process is also described.  In this procedure, all equipment is placed in a kayak and towed along the shoreline.

See document for details.

Comments:
Reference 1
authorMcCormick, Frank H. and Robert M. Hughes
Date2001
TitleSection 12. Aquatic Vertebrates
journalDRAFT Environmental Monitoring and Assessment Program - Surface Waters: Western Pilot Study Field Operations Manual for Wadeable Streams
publisherEPA
Reference 2
Reference 3
Fish - General
Rivers and Creeks
Qualitative: no
Quantitative: Yes
Rapid Assessment: No
Specs:
Distance:
Frequency:
Gear: backpack electroshocker
Method:

The primary gear for this sampling is the backpack electroshocker; however, block netting and seining are used where shocking is impractical (see document).

Sampling in each reach is for at least 45 min, but no more than 3 h.  Sampling is along the entire reach.  Pulsed DC current is used (either 30 or 60-70 Hz, depending on catch).

See document for details.

Comments:
Reference 1
authorMcCormick, Frank H. and Robert M. Hughes
Date1998
TitleSection 12. Aquatic Vertebrates
journalEnvironmental Monitoring and Assessement Program - Surface Waters: Field Operations and Methods for Measuring the Ecological Condition of Wadeable Streams
publisherEPA (EPA/620/R-94/004F)
Reference 2
Reference 3
Fish - General
Rivers and Creeks - wadeable streams
Qualitative: no
Quantitative: no
Rapid Assessment: No
Specs:
Distance:
Frequency:
Gear: backpack electroshocker
Method:

Fish Sampling Protocols

 

Two complimentary methods are used:  electrofishing and seining.

 

Electrofishing in wadeable streams is done with a backpack shocker or towed gear.  Two separate electrofishing passes are made in the reach.  Sampling is in an upstream direction.

 

 

Comments:
Reference 1
authorMoulton, Stephen R., II, Jonathan G. Kennen, Robert M. Goldstein and Julie A. Hambrook
Date2002
TitleRevised protocols for sampling algal, invertebrate, and fish communities as part of the National Water-Quality Assessment program
journalUSGS Open File Report 02-150
publisherUSGS
Reference 2
Reference 3