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Inland Lakes Convention Boyne Mountain Resort 28 April 2016 Kevin Wehrly Fish-Habitat Relationships

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Page 1: Wehrly Fish Habitat - College of Agriculture & Natural ......Important Habitat Features. Title: Microsoft PowerPoint - Wehrly_Fish Habitat Author: latimor1 Created Date: 5/7/2016 4:28:02

Inland Lakes ConventionBoyne Mountain Resort

28 April 2016

Kevin Wehrly

Fish-Habitat Relationships

Page 2: Wehrly Fish Habitat - College of Agriculture & Natural ......Important Habitat Features. Title: Microsoft PowerPoint - Wehrly_Fish Habitat Author: latimor1 Created Date: 5/7/2016 4:28:02

• Physical

What is Fish Habitat?

• Chemical • Biological

Page 3: Wehrly Fish Habitat - College of Agriculture & Natural ......Important Habitat Features. Title: Microsoft PowerPoint - Wehrly_Fish Habitat Author: latimor1 Created Date: 5/7/2016 4:28:02

Why is Habitat Important?

Page 4: Wehrly Fish Habitat - College of Agriculture & Natural ......Important Habitat Features. Title: Microsoft PowerPoint - Wehrly_Fish Habitat Author: latimor1 Created Date: 5/7/2016 4:28:02

Multiple views of Habitat

Page 5: Wehrly Fish Habitat - College of Agriculture & Natural ......Important Habitat Features. Title: Microsoft PowerPoint - Wehrly_Fish Habitat Author: latimor1 Created Date: 5/7/2016 4:28:02

• Temperature

• Morphology

• Water quality

• Cover/shoreline

Important Habitat Features

Temperature

Page 7: Wehrly Fish Habitat - College of Agriculture & Natural ......Important Habitat Features. Title: Microsoft PowerPoint - Wehrly_Fish Habitat Author: latimor1 Created Date: 5/7/2016 4:28:02

Climate

Summer Temperature

warm

cool

Growing Season

long

short

Winter Duration

short

long

Page 8: Wehrly Fish Habitat - College of Agriculture & Natural ......Important Habitat Features. Title: Microsoft PowerPoint - Wehrly_Fish Habitat Author: latimor1 Created Date: 5/7/2016 4:28:02

Lake Depth

cold

cool

warm

Page 9: Wehrly Fish Habitat - College of Agriculture & Natural ......Important Habitat Features. Title: Microsoft PowerPoint - Wehrly_Fish Habitat Author: latimor1 Created Date: 5/7/2016 4:28:02

Page 10: Wehrly Fish Habitat - College of Agriculture & Natural ......Important Habitat Features. Title: Microsoft PowerPoint - Wehrly_Fish Habitat Author: latimor1 Created Date: 5/7/2016 4:28:02

Water Quality

• Productivity

• Abundance

• Growth

Page 11: Wehrly Fish Habitat - College of Agriculture & Natural ......Important Habitat Features. Title: Microsoft PowerPoint - Wehrly_Fish Habitat Author: latimor1 Created Date: 5/7/2016 4:28:02

Alkalinity

Page 12: Wehrly Fish Habitat - College of Agriculture & Natural ......Important Habitat Features. Title: Microsoft PowerPoint - Wehrly_Fish Habitat Author: latimor1 Created Date: 5/7/2016 4:28:02

Nutrients

• Clarity

• Vegetation

• Oxygen

Page 13: Wehrly Fish Habitat - College of Agriculture & Natural ......Important Habitat Features. Title: Microsoft PowerPoint - Wehrly_Fish Habitat Author: latimor1 Created Date: 5/7/2016 4:28:02

Oxygen Depletion

400 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80

Dep

th (feet)

TemperatureOxygen

Page 14: Wehrly Fish Habitat - College of Agriculture & Natural ......Important Habitat Features. Title: Microsoft PowerPoint - Wehrly_Fish Habitat Author: latimor1 Created Date: 5/7/2016 4:28:02

Oxygen Depletion

Page 15: Wehrly Fish Habitat - College of Agriculture & Natural ......Important Habitat Features. Title: Microsoft PowerPoint - Wehrly_Fish Habitat Author: latimor1 Created Date: 5/7/2016 4:28:02

Cover/Shoreline

• Reproduction

• Growth

Page 16: Wehrly Fish Habitat - College of Agriculture & Natural ......Important Habitat Features. Title: Microsoft PowerPoint - Wehrly_Fish Habitat Author: latimor1 Created Date: 5/7/2016 4:28:02

Woody Cover

Page 17: Wehrly Fish Habitat - College of Agriculture & Natural ......Important Habitat Features. Title: Microsoft PowerPoint - Wehrly_Fish Habitat Author: latimor1 Created Date: 5/7/2016 4:28:02

Shoreline Armoring

Page 18: Wehrly Fish Habitat - College of Agriculture & Natural ......Important Habitat Features. Title: Microsoft PowerPoint - Wehrly_Fish Habitat Author: latimor1 Created Date: 5/7/2016 4:28:02

Quantifying Fish-Habitat Relations

Page 19: Wehrly Fish Habitat - College of Agriculture & Natural ......Important Habitat Features. Title: Microsoft PowerPoint - Wehrly_Fish Habitat Author: latimor1 Created Date: 5/7/2016 4:28:02

Species Habitat Requirements

Walleye

Page 20: Wehrly Fish Habitat - College of Agriculture & Natural ......Important Habitat Features. Title: Microsoft PowerPoint - Wehrly_Fish Habitat Author: latimor1 Created Date: 5/7/2016 4:28:02

Walleye Coldwater

Bluegill Largemouth

Page 21: Wehrly Fish Habitat - College of Agriculture & Natural ......Important Habitat Features. Title: Microsoft PowerPoint - Wehrly_Fish Habitat Author: latimor1 Created Date: 5/7/2016 4:28:02

Justus von Liebig1803‐1873

Page 22: Wehrly Fish Habitat - College of Agriculture & Natural ......Important Habitat Features. Title: Microsoft PowerPoint - Wehrly_Fish Habitat Author: latimor1 Created Date: 5/7/2016 4:28:02

• Area > 500 acres• MeanT < 62 F• Secchi < 12 feet• Oxygen

Walleye

Page 23: Wehrly Fish Habitat - College of Agriculture & Natural ......Important Habitat Features. Title: Microsoft PowerPoint - Wehrly_Fish Habitat Author: latimor1 Created Date: 5/7/2016 4:28:02

• Area > 1,000 acres• DegDay < 3,900• Depth > 30 feet• Oxygen

Coldwater Fishes

Page 24: Wehrly Fish Habitat - College of Agriculture & Natural ......Important Habitat Features. Title: Microsoft PowerPoint - Wehrly_Fish Habitat Author: latimor1 Created Date: 5/7/2016 4:28:02

• DegDay > 3,900• MeanT > 62 F• Area < 1,000 acres

Largemouth Bass

Page 25: Wehrly Fish Habitat - College of Agriculture & Natural ......Important Habitat Features. Title: Microsoft PowerPoint - Wehrly_Fish Habitat Author: latimor1 Created Date: 5/7/2016 4:28:02

• Temperature

• Morphology

• Water quality

• Cover/shoreline

Important Habitat Features

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Network of Fish Habitat Partnerships Survey June 24, 2015 National Fish Habitat Board Meeting

RECONNAISSANCE (1:20,000) FISH AND FISH HABITAT …€¦ · Following the 1998 Reconnaissance (1:20,000 Scale) Fish and Fish Habitat Inventory, an additional sampling program was

FISH PRODUCTIVITY BY AQUATIC HABITAT AND ESTIMATED …pubs.iclarm.net/resource_centre/WF-4078.pdf · FISH PRODUCTIVITY BY AQUATIC HABITAT AND ESTIMATED FISH PRODUCTION IN CAMBODIA

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Fish Ecology and Management Workshop€¦ · Fish Ecology and Management Workshop Brian Gunderman Dr. Kevin Wehrly Neal Godby April 28, 2016. Outline I. Game fish ID and general ecology