1. ICHTHYOLOGY!

2. Big Fish!

3. Where is fresh water found??

4. Where is fresh water used most? (A) Industry, mostly Mining

5. FOOD CHAIN

6. 10 %

7. BIOLOGICAL MAGNIFICATION

8. MN DNR Website

9. Three types of Lakes

10. Oligotrophic lakes Deep, cold, clear water Low in nutrients

11. Eutrophic Lakes Shallow, high in nutrients

12. PHOSPHORUS Main nutrient that causes rapid algae growth

13. WINTER KILL!
Usually in Eutrophic lakes. Deep snow in ice reduces photosynthesis, Bacteria uses oxygen.

14. AQUATIC PLANTS

17. Fish Survey Techniques

18. GILL NETS

19. TRAP NETS

20. Creel Survey

21. Electrofishing

23. TURBIDITY AND TEMP. Turbidity = Temp.

24. HARD WATER VS. SOFT WATER Mineral in bedrock (Leeching)

25. MISSISSIPPI WATERSHED Water shed determine lakes chemistry

26. Boundary Waters Canoe Area Glacial Erosion, Acid Precipitation affects these lakes because of bedrock and the soft water. Leeching of heavy metals

27. BOG STAINED WATERS From tamarack bogs up.

28. TROUT NEED COLD, CLEAN WATER

29. BULLHEADS CAN TOLORATE WARM, MUDDY WATER

30. EXTERNAL ANATOMY

31. INTERNAL ANATOMY

32. What causes an El Nino Event
What causes an El Nino Event? (A) Weakening Trade winds which makes the Pacific ocean warmer

33. Fishing hot spots
 Contour / Structure / Holes

34. Equipment Minimum: Stick, line, hook, sinker, bait
Reels allows for quick line retrieval, drag to fight fish.

35. Tip Ups

36. How to Cut a hole?

37. Depth Finder

38. Jigs / lures

39. Bait / Worms
Wax Worms Euro larva

40. Bait: Minnows
Crappie Minnow Fat heads
Shiners Sucker Minnows

41. The Bite??? Negative: (slow bite) use small lures ,
Neutral: (Casual bite) Use Medium lures.
Positive: (Fast action) go BIG !!

42. UnCut Angling

43. Factors that effect the bite
Moon Phase
Time of day
Weather conditions
Air pressure