2. Students Ice Fisherpersons

3. Why 1. To experience the sport fishery in Madison lakes what are they catching how much, where are they fishing how are they fishing 2. To see where common fish species are in the lakes 3. Obtain practical training in working with fish, fish data, and report writing Madison Lakes field trip, 10 February 2007 Sign up for 2 time slots: 8am-12pm or 1pm-5pm

4. 1. Survey the anglers Meet at the CFL and pair up Go to a ice fishing location Survey 5-10 anglers 2. Come back at the Center For Limnology to Age Fish 3. Use all the data collected by the class to write a report about the ice fishery on the Madison lakes! Three Main Parts

5. It can be a big fishery.....close to shore!

6. Or scattered all over the middle of the lake!

7. Quick transportation....these people are serious about their ice fishing serious about their ice fishing

9. University Bay can be the spot!

11. They can be all by themselves

14. A couple places we’ll try... maybe others

15. What You’ll Need: Pencils (not pens!) Pocket knife or Scissors & forceps (tweezers) 12” Plastic ruler with metric(!!) scale WARM CLOTHING – ESPECIALLY BOOTS

16. Fill out a new data sheet for every interview! Fill in all parts! Write neatly!

17. Be courteous 1. “Hi, we’re from the University and we’re taking a survey for our Ecology of Fish class” 2. “Would it be ok if we asked you some questions about the fishing and took some scale samples?” = NOT the D.N.R. = NOT the D.N.R.

18. Important, cause they are sitting on their fish.

19. FILL THIS OUT BEFORE THE INTERVIEW ASK THE ANGLERS THIS PART FIRST ZEROS ARE IMPORTANT DATA POINTS FILL IN EVERY SPACE IF THEY DON”T GIVE AN ANSWER WRITE “No Answer”

23. Good Ruler

24. Bad Ruler!

25. Bluegill or Crappie Take scales from here Yellow perch Remember, squeeze tail for total length! Use a knife or forceps (tweezers) Get at least 3-4 scales Make sure they get in the envelop LABEL THE ENVELOP!!!! Monona Bay BLG 182 mm 02102007 Weidel - 3

26. To Sex Fish: Start at the anal vent, cut shallow!

27. ♀ ♂ Red Yellow Granular (eggs) White No clear texture MALE FEMALE

28. 1. Come back at the Center For Limnology to Age Fish 2. Check your data sheets and scale envelops Make sure all the sections are filled out Double check that data from scale envelop = data sheet Did you write neatly...? If not fix it now! 3. Prepare and interpret the ages of your fish from scales Sonicate the scales and clean them Place 3-5 scales between two glass slides Clip the slides together and put them under the microscope Interpret the ages and write them on the data sheet Back at the Lab:

29. Prepare and Clean Scales

30. Put them between 2 microscope slides and pinch them with the clips

31. Interpret them with a microscope

32. Focus Annulus Circuli One Year’s Growth

33. Aging the fish

34. Little Rock Lake Yellow Perch 135 mm Age 2+ First Annulus Second Annulus

35. Stories to Ask Kitchell About! -the Busch Boys -the Minocqua guide -the lost boot -bratwurst and a bus trip -it’s the DNR’s fault, -it’s the UW’s fault, and the evidence is right down here through this hole! Take a look.