Milbank High School students enrolled in zoology this semester attended a class field trip to Big Stone Lake. Directors of the trip were Dennis... Milbank Students Take Part In Zoology Field Trip

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Milbank High School students enrolled in zoology this semester attended a class field trip to Big Stone Lake. Directors of the trip were Dennis Skadsen and Cory Zirbel of the Northeast Glacial Lakes Watershed Project and MHS instructor Jim Dahl.

“This field trip was a win-win experience as the directors obtained the data they needed to determine the water quality of both streams and lakes,” explained Dahl. “The students got a hands-on experience with lab techniques used to determine water quality and collected organisms that determine water quality.”

Various activities throughout the day included an overview of basic stream ecology including order, current, organic matter and aquatic creatures; water quality lab work involving checking pH levels, dissolved oxygen (DO) and temperature, and pollution tolerance index involving collection, separation and classification of various organisms to determine the water quality of Big Stone Stream and Big Stone Lake.

DSCF0456“Student results showed a pH of 8 to 8.2, DO ranging from 6 ppm to 11 ppm and temperatures from 7 to 11 degrees Celsius,” noted Dahl. “The water quality determined from the organism collections was calculated at 19 which showed the spring quality at good. Excellent rates are rated at 23 and above, good from 17-22, fair from 11-16 and poor at 10 or less.”

Students attending the trip on May 4 were Eliza DiNatalie, Chris Stodolski, Brandon Adolph, Alysa Peterson, Thanyanat Maneerat (Cin), Colton Frevert, Miranda Madsen, Dylan Pauli, Kevin Ball, Taran Mogard, Alyssa Aker and Dalton Koch.

Those attending on May 11 were Myranda Mogard, Sydney Raffety, Austin Loeschke, Dominique Boerger, Nate Wiese, Jordan Pollock, Tyler Belisle, Trey Jankord, Jordan Thiele, Tyler Millim, Kevin Ball and Taran Mogard.

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