Lake Calumet Rapid Response

This event is a rapid response level I activity as outlined by the Monitoring and Rapid Response Plan (April 2011). As a result of 3 successive eDNA positive tests, the goal of this operation is to fish the area extensively with electrofishing and commercial nettings to determine extent of possible Asian carps (bighead carp and silver carp) within this area.


Daily Updates (posted each morning)

July 13, 2012

The Level 1 Lake Calumet response concluded 13 July 2012. Here is the summary of operations and final summary of this Level 1 response.

Commercial seining, gill netting, trap/hoop netting, and electrofishing began at approximately 7:30am and was completed by 12:00pm.

Effort and catch for each gear:

For Friday 13 July:

  • Commercial seine (5 commercial fishermen, 2 IDNR, 3 UCCI interns): 800yd seine, 3.25 hrs, 21 fish, 5 species
  • Gill nets (1 boat - 2 comm fishermen, 1 IDNR): 4 hrs, 5 sets, 1200 yds, 81 fish, 4 species
  • Lake Michigan fyke/pond nets (2 INHS): 2 nets raised at 9:30am and 10:15am, 125 fish, 11 species
  • Tandem traps (2 comm fishermen, 1 IDNR): 2 X 24 hr tandem sets, 60 fish, 8 species
  • Hoop nets (2 comm fishermen, 1 IDNR): 10 X 24 hr sets, 5 fish, 4 species

No Bighead or Silver carp were observed or collected.

Note: one grass carp > 40 lbs was collected (steps were taken to confirm ploidy/reproductive viability of this specimen)

Totals for the Rapid Response operation - 7/11-7/13:

  • Commercial seine : 800yd seine X 3 sets, 13.75 hrs, 4524 fish
  • Deep gill nets : 8.25 hrs, 4 sets, 800yds , 15 fish
  • Gill nets : 13.32 hrs, 46 sets, 10,900 yds, 341 fish (6.19 MILES!!)
  • Electrofishing : 46 runs, 11.5 hrs, 1224 fish
  • Lake Michigan fyke/pond nets : 2 nets raised each day (3 times), 168 fish
  • Tandem traps : 2 X 24 hr tandem sets (48hrs total), 113 fish
  • Hoop nets : 10 X 24 hr sets (48hrs total), 10 fish

Grand total for the week - 6395 fish, over 30 species (to be finalized soon)

NO Bighead carp or Silver carp were observed or collected during this Level 1 operation.

This Level 1 response was concluded at noon , Friday 13 July 2012.


July 12, 2012

The Level 1 Lake Calumet response was proceeding as expected this Thursday 12 July 2012. Commercial seining, gill/trammel netting, trap/hoop netting, and electrofishing began at approximately 7:30am and was completed by 4:30 pm.

Effort and catch for each gear:

  • Commercial seine (5 commercial fishermen, 2 IDNR, 4 UCCI interns): 800yd seine, 7 hrs, 3386 fish, 10 species
  • Deep gill nets (2 comm fishermen, 1 IDNR): 6 hrs, 200yds total, 13 fish, 5 species
  • Gill nets (3 boats - 6 comm fishermen, 3 IDNR): 5.5 hrs, 26 sets, 6400 yds, 229 fish, 5 species (3.64 miles of net)
  • Fixed/Random electrofishing (3 USFWS): 14 runs, 3.5 hrs, 1640 fish, 18 species
  • Response Electrofishing (2 USFWS, 1 IDNR volunteer): 16 runs, 4 hrs, 662 fish, 23 species
  • Lake Michigan fyke/pond nets (2 INHS): 2 nets raised at 1:00pm and 2:00pm, 88 fish, 10 species
  • Tandem traps: 2 X 24 hr tandem sets, 53 fish, 9 species
  • Hoop nets: 10 X 24 hr sets, 5 fish, 4 species...another gigantic softshell turtle!

Total catch today was 6076 fish from 33 species.  So far, over the entire response action over 2600 person-hours of effort has been expended. Weather has been cooperating, and work has been safe.  The Lake Michigan fyke/pond nets have remained in place since Tuesday and will remain in place throughout this response.

IL Conservation Police Officers did help a stranded boater/fisherman return to the launch after spending the night on the Lower Lake Calumet after engine failure. (It was told he had little success catching fish during this time.)

No bighead carp or silver carp were observed or collected.


July 11, 2012

The Level 1 response was in full gear this Wednesday 11 July 2012.  ILDNR collected the eDNA samples prior to rapid response actions within Lake Calumet and Harborside Golf Course pond at 6:00am and completed samples at 10:00am.

Commercial seining, gill/trammel netting, trap/hoop netting, and electrofishing began at approximately 10:30am and was completed by 3:00pm (nets) and 5:00pm (electrofishing).

Effort and catch for each gear:

  • Commercial seine (5 commercial fishermen, 2 IDNR, 3 UCCI interns): 800yd seine, 3.5 hrs, 117 fish, 9 species including one gigantic spiny softshell turtle.
  • Deep gill nets (Price boat; 2 comm fishermen, 1 IDNR): 2.25 hrs, 200yds total, 2 fish, 2 species
  • Gill nets (Price boat; 2 comm fishermen, 1 IDNR): 2 sets; 1 - 400yds, 1.33 hrs, 9 fish; 2 - 300yds, 0.66 hrs, 9 fish; 2 hrs, 18 fish, 4 species, 700yds total
  • Fixed/Random site trammel nets (Dickau boat; 2 comm fishermen, 1 IDNR): 13 sets x 200yds each; 3.82 hrs, 13 fish, 5 species, 2600 yds total
  • Electrofishing (2 USFWS, 1 IDNR volunteer): 1 Boat - 16 runs, 4 hrs, 562 fish, 24 species
  • Lake Michigan fyke/pond nets (2 INHS): 2 nets set at 9:00am and 2:00pm on Tuesday; raised at 2:00pm and 3:00pm, 80 fish, 8 species
  • Tandem traps: 2 tandem sets to be lifted tomorrow
  • Hoop nets: 10 sets to be lifted tomorrow

Total catch today was 852 fish from 28 species. Notable species counts were: GZS was 249, Common carp = 131, drum = 86, largemouth bass = 60, pumpkinseed = 61

One electrofishing boat did have a maintenance issue, but the other boat fulfilled all the scheduled sampling.

Temperatures were warm and clear, but much better than the prior week.

No bighead carp or silver carp were observed or collected. The fyke/pond nets remain in place during this entire operations and will not be pulled until after the Level 1 is completed (likely approx. 10 days from now).


July 10, 2012

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