Vanishing Actâ¦.. - Green Lake County

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Take Home Message…. Modified water levels are a lake stressor that needs to be managed. (i.e. <strong>Lake</strong>s with artificially manipulated water levels need to be properly managed to meet the needs of the lake to prevent degradation over time.)
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Lake Puckaway’s Vanishing Act….
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“It is easy to lose one's way, es
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“Wau-bun” (1855) This lake has
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“The boys were fed up with puddle
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Goal of the Lock & Dam (1846): Link
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The Princeton Dam was built by the
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1941 Wild rice emerged along the en
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Historical Management • 1946 - Pu
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“Should the openings continue to
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1977 o Almost no submergent plants
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Historical Management • 1983-1984
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GOAL: Maintain and Improve Water Qu
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1. Why do we care about reduction i
Page 29: A lake without plants is like a for
Page 32 and 33: 2. How do we measure it?
Page 34 and 35: 1946
Page 36 and 37: September 23rd 1950
Page 38: Algae Bloom September 7 th 1971
Page 41 and 42: 2005 Increased Vegetation Growth No
Page 43 and 44: 1989 2005 1999 2006
Page 45 and 46: 1989 1999 2005 2006
Page 51 and 52: How do we Quantify the rate and amo
Page 53 and 54: •Scanned and GeoReferenced 7000 A
Page 55 and 56: 1989 651 Acres 1999 483 Acres >25%
Page 57 and 58: Almost 2000 acres of loss over 60 y
Page 60 and 61: 3. What causing the reduction?
Page 62 and 63: Carp Algae Blooms High Water Plant
Page 64 and 65: Shift in Fish Population??? Minnow/
Page 66 and 67: •Algae prevents light front reach
Page 68 and 69: Resiliency: a:capable of withstandi
Page 70 and 71: Established Plant Bed Established L
Page 72 and 73: Establishing new plant beds require
Page 74 and 75: Moving Forward by Looking Back… E
Page 77 and 78: 4 Variables of Water Level Fluctuat
Page 79: Management Activities • Historica
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Vanishing Actâ¦.. - Green Lake County

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Vanishing Actâ¦.. - Green Lake County