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  • HOME
  • About
    • Chapters
      • Headwaters Chapter
      • Gitche Gumee Chapter
      • Twin Cities Chapter
      • Hiawatha Chapter
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    • Our Mission
    • Join MNTU
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  • HABITAT
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    • Education and Outreach
    • Trout in the Classroom
    • Great Waters Fly Fishing Expo
    • Foster the Outdoors Program
    • T.U.N.E Camp
  • ADVOCACY
    • Agricultural Runoff
    • Data Centers
    • Feedlots
    • Neonics
    • Nitrates
    • Preventing Fish Kills
    • Public Waters
    • Sulfide Mining
  • FISHING
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Macro of the month: Terrestrials

Jennifer Biederman - MNTU Habitat Director on July 8, 20242026-05-01T19:56:24+00:00

When it comes to the diets of stream-dwelling trout in Minnesota, aquatic benthic invertebrates take most of the spotlight. Keep in mind that trout are visual and opportunistic feeders – so prey preference and capture probability are likely influenced by the accessibility, size, color, mobility, and degree of exposure of...

By Jennifer Biederman - MNTU Habitat Director on July 8, 2024
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Macro of the month: Little Sallies

Jennifer Biederman - MNTU Habitat Director on May 13, 20242026-05-01T20:02:45+00:00

https://www.youtube.com/watch?v=Rbxddda_z0g Stoneflies, belonging to the order Plecoptera, play an important role in freshwater ecosystems and are especially significant to anglers. These aquatic macroinvertebrates are a prime food source for many fish species, especially trout, making them a key focus for fly fishing enthusiasts. Stoneflies are characterized by their elongated bodies, two...

By Jennifer Biederman - MNTU Habitat Director on May 13, 2024
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Macro of the month: Little sister sedge

Jennifer Biederman - MNTU Habitat Director on April 7, 20242026-05-01T20:07:15+00:00

Little Sister Sedge  April marks the onset of more vibrant seasonal activity in trout streams, with increasing diversity of emerging insect life. This surge in insect activity not only breathes life into the aquatic ecosystem but also signals prime time for both trout and anglers. The increase in available food sources...

By Jennifer Biederman - MNTU Habitat Director on April 7, 2024
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Macro of the month: Baetis a.k.a. the blue-winged olive

Jennifer Biederman - MNTU Habitat Director on March 8, 20242026-05-01T20:14:11+00:00

Emerging first from Minnesota streams in early March, this mayfly plays a crucial role in the delicate balance of coldwater stream ecosystems, capturing the fascination of scientists and anglers alike.

By Jennifer Biederman - MNTU Habitat Director on March 8, 2024
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Macro of the month: Winter-emerging midges

Jennifer Biederman - MNTU Habitat Director on February 7, 20242026-05-01T20:59:12+00:00

Winter-Emerging Midges Photo credit: Chironomidae Research Group In the frigid heart of winter, a hidden world of resilience unfolds beneath the icy surfaces of Minnesota's streams. Enter the winter-emerging chironomids (aka “midges”), tiny aquatic flies belonging to the Chironomidae family. Resembling miniature black mosquitoes, some types of these resilient insects defy...

By Jennifer Biederman - MNTU Habitat Director on February 7, 2024
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