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					                                 Bucket Buddies Report

The mill pond has long been a fixture in Rosholt, WI. It was created by the town’s
founder when he dammed Flume Creek in order to power his sawmill and a soon-to-be-
built feedmill. The mill pond is approximately 10 acres in size with an average depth of
three feet.

On September 25, 2008 at 10 a.m., two leaf packs containing fresh maple leaves were
placed into the Rosholt Mill Pond. The water temperature was 62 degrees. The leaf packs
were removed on October 22, 2008 at 10 a.m. The water temperature was 44 degrees.
Macroinvertebrates were removed and identified from the two samples on Oct. 23. The
results were as follows:



       Type of species                     Number of species

     Damselfly nymph                                    29
         (Order Odonata)
      Aquatic sowbug                                    13
         (Order Isopoda)
      Non-gilled snails                                 11
       (Order Gastropoda)
    Adult water beetles                                  5
       (Order Coleoptera)
 Net-spinning Caddisfly                                  5
         Larva
        (Order Tricoptera)
             Midges                                      3
         (Order Diptera)
    Dragonfly nymphs                                     3
         (Order Odonata)


Students hypothesized that Bucket Buddy participants from other parts of the country and
world would find different macroinvertebrates based on their location.

				
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posted:6/26/2011
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