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Flooding and Forest Succession: Soil and Plants

Flooding and Forest Succession: Soil and Plants . Taylor Cantril Megan Jensen Josh Yoder. K2 Loop. Flood Zone and Transects. Insects Sweep nets Pit fall traps Plant survey Soil Samples. Transect A: 210° Transect B: 194° Transect C: 178° Sample sites every 20 m.

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Flooding and Forest Succession: Soil and Plants

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  1. Flooding and Forest Succession:Soil and Plants Taylor Cantril Megan Jensen Josh Yoder

  2. K2 Loop

  3. Flood Zone and Transects Insects Sweep nets Pit fall traps Plant survey Soil Samples Transect A: 210° Transect B: 194° Transect C: 178° Sample sites every 20 m

  4. Soil and Plant Hypotheses • Soil from sample sites with more intense and frequent floods will have a higher silt content • Sites with more intense and frequent floods will have greater numbers of woody plant species

  5. Soil Methods

  6. Categories of Soil by Texture Schoeneberger, P.J., Wysocki, D.A., Benham, E.C., and Broderson, W.D. (editors), 2002. Field book for describing and sampling soils, Version 2.0. Natural Resources Conservation Service, National Soil Survey Center, Lincoln, NE

  7. Future Soil Methods • Hydrometer This method is especially useful for distinguishing smaller particles – clay vs. silt

  8. Plant Methods and Results • Sample segment: • 3 meter x 2 meter area • 20m spacing on transects • Common Plant Species: • Box Elder and Sycamore • Total Plant Count: • Box Elder: 193 • Sycamore: 23 • ‘Ridged Leaf’: 15 • Transect A Total Count: 143 • Transect B: 72 • Transect C: 40

  9. Most Prevalent Species Sycamore Platanusoccidentalis Box Elder Acer negundo

  10. Frequency vs. Silt Content

  11. Conclusions • No indication that soil texture data correlated with flood zones identified by satellite • Need new soil texture method • No correlation between silt content and total woody plant frequency • No correlation between flood zone and total woody plant frequency • Interesting biodiversity differences by flood zone

  12. References Schoeneberger, P.J., Wysocki, D.A., Benham, E.C., and Broderson, W.D. (editors), 2002. Field book for describing and sampling soils, version 2.0. Natural Resources Conservation Service, National Soil Survey Center,Lincoln, NE

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