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Exotic Invasive Vegetation
LeeAnna Young Leanne Penry Liz Montgomery Johnathan Sutton John Atkinson LeeAnna
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Why is monitoring exotic invasive vegetation important?
Consumes resources: Light Water Nutrients Growing space Liz The H. John Heinz III Center for Science, Economics and the Environment, 2008
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Why is monitoring exotic invasive vegetation important to TLC?
Indicator of conservation success Invasion of natural ecosystems Competition with native vegetation
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Objectives To create a method for measuring the extent of exotic invasive vegetation. To make this method user-friendly and repeatable for volunteers of the Triangle Land Conservancy. Demonstrate how our method can be used in several test areas, including riparian areas in NCSU main campus, Centennial Campus, and Schenck Forest. LeeAnna
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Display Condition of Single Site
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Compare Among Sites Our data shows that on average, in any area, there is not more than “low” exotic invasive land cover. Honeysuckle dominated in Schenck Forest and Centennial campus, while english ivy was more prominent on main campus.
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Our Method is Repeatable
The coefficient of variation, standard deviation/mean was low for all points, indicating that our results are repeatable. The lower the number (or closer to zero), the better but it can be dependent on the client’s preference. Explain point 7
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Simple Materials Rope with pre-measured lengths (2m, 5m) and stake attached Clipboard with data sheet, percent cover card, and plot layout Diameter tape (record units on data sheet) Metric tape measure (100m) Liz Reference hard copy of percent cover card
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Mention Dr. Braham’s help in selecting plant species specific to the riparian buffer area.
Method can be altered depending on the site. The species that are evaluated can be changed depending on the cover type.
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Liz[
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Recommendations Data collected can be evaluated over time to determine increases or decreases in exotic invasive vegetation per site Exotic invasive species identification training session for volunteers Survey when species are most visible Do during summer months—leaves and flowering
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ROMU Alternate leaf arrangements (one leaf with 5 leaflets in picture)
Common: Multiflora rose Scientific: Rosa multiflora ROMU Alternate leaf arrangements (one leaf with 5 leaflets in picture) 5-11 leaflets per leaf Leaf edges serrated White flowers with 5 petals bloom in early summer Thorn-like prickles on stems Long arching stems, can be vine-like The University of Georgia Center for Invasive Species and Ecosystem Health. (2009). Invasive.org: Invasive and Exotic Species to North America. Retrieved Apr., 2009, from
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Conclusion Method is repeatable and user-friendly
Method can be adjusted to accommodate different cover types Comparing data over time will alert TLC to exotic invasive vegetation problems Early detection allows for intervention
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