Vanishing Actâ¦.. - Green Lake County

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Historical Management • 1946 – Puckaway Restoration League attempts to improve declining emergent plants by planting hundreds of lbs of wild rice. • 1949 – Large expanses of open water start to develop.
Historical Management • 1951: “Only 2550 Acres” of Emergent Plants Remain, Nearly Half of previous decades • 1950-1951: Water levels are drawn down for 2 consecutive springs to improve plant growth.
Page 1: Lake Puckaway’s Vanishing Act….
Page 4 and 5: “It is easy to lose one's way, es
Page 6 and 7: “Wau-bun” (1855) This lake has
Page 8 and 9: “The boys were fed up with puddle
Page 10 and 11: Goal of the Lock & Dam (1846): Link
Page 12 and 13: The Princeton Dam was built by the
Page 14 and 15: 1941 Wild rice emerged along the en
Page 18 and 19: “Should the openings continue to
Page 20 and 21: 1977 o Almost no submergent plants
Page 22 and 23: Historical Management • 1983-1984
Page 24 and 25: GOAL: Maintain and Improve Water Qu
Page 26 and 27: 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
Page 84:
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Vanishing Actâ¦.. - Green Lake County