Track A - Water Resources Center - University of Minnesota

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Curly-leaf distribution ‣ Documented in 730 lakes; probably occurs in many more ‣ Most are found in the central transition forest landtype (min <strong>of</strong> 5% <strong>of</strong> all lakes w/ DNR ID#’s). ‣ Speculation that range is expanding northward
Curly-leaf pondweed life history ‣ Produces turion propagules in summer. ‣ Turion production is correlated with temperature and photoperiod ‣ Turions sprout in fall and plant overwinters green ‣ Boom-bust growth in south, not so in the north ‣ Good info on life history; not on ecosystem effects
Page 1 and 2: Lori A. Krider Joseph A. Magner Jim
Page 3 and 4: Importance • Air temperatures are
Page 5 and 6: Temperature ( o C) Time Frame •
Page 7 and 8: Data Source • Water temperature d
Page 9 and 10: Terminology • Regressions explain
Page 11 and 12: Results Summary & Comparison • Sl
Page 13 and 14: Average Weekly Water Temperature (C
Page 15 and 16: Contributing Factors • Factors th
Page 17 and 18: Other Findings • Could not provid
Page 19 and 20: Implications for Climate Change •
Page 21 and 22: Management for Mitigation •Increa
Page 23 and 24: Natural short-term declines in curl
Page 25 and 26: Sustaining Lakes in a Changing Envi
Page 27 and 28: Genesis: Serendipity • Noticed de
Page 29 and 30: Decline in surface growth in Pearl
Page 31: Curly-leaf pondweed life history
Page 35 and 36: Back to the question - Curlyleaf de
Page 37 and 38: Growing Season Differences?
Page 39 and 40: Nah that’s not it - 2010 was actu
Page 41 and 42: Nah that’s not it - spring water
Page 43 and 44: Links to ice cover duration? In oth
Page 45 and 46: Days of Ice 180 160 140 120 100 80
Page 47 and 48: EUREKA!!
Page 49 and 50: Findings • Winters during most of
Page 51 and 52: Dec. + Jan. Snowfall (in) Departure
Page 53 and 54: Implications of Climate Change •
Page 55 and 56: Critical Temp Thresholds High turio
Page 57 and 58: Summary • Winter possibly plays s
Page 59 and 60: Acknowledgments • DNR Area Fisher
Page 61 and 62: Acknowledgements Will French Jennif
Page 63 and 64: Introduction Trout streams in SE M
Page 65 and 66: A Conceptual Model Climate ? Geomor
Page 67 and 68: Sampling Sites 12 stream reaches i
Page 69 and 70: Sample Analyses Simpson’s Index
Page 71 and 72: Number of Genera Present Community
Page 73 and 74: Diversity (Simpson's Index) Communi
Page 75 and 76: Community Characteristics North Bra
Page 77 and 78: Question 2 1. What is the relations
Page 79 and 80: Question 3 1. What is the relations
Page 81 and 82: Delta Wr Diversity (Simoson's Index
Page 83:
Conclusion Climate ? Geomorphology
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Track A - Water Resources Center - University of Minnesota

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