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Invasive Exotics Adverse Effects ▪ Competition ▪ Difficulty in Restoration ▪ Economic and Environmental Losses of About $137 billion in (Davies and Johnson, 2011) DNR - ILWikipedia
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Carie Carie PigeonPigeonThe Pennsylvania State UniversityMaster of Geographic Information Systems Program
Geography 596ACapstone Project PresentationDecember 17, 2013Patrick Drohan, Advisor
USDA
BackgroundStudy Area and Resource
Management BackgroundGoals and ObjectivesDataProposed MethodologyTimelineAnticipated Results
Invasive Exotics Adverse Effects▪ Competition▪ Difficulty in Restoration▪ Economic and Environmental Losses of About
$137 billion in 2000. (Davies and Johnson, 2011)
DNR - IL Wikipedia
Dyer’s woad History Native to southeastern Russia
Noxious Weed Characteristics Biennial or monocarpic perennial Accelerated growth rate Average of 383 seeds
Idaho Weed Awareness
Wapi Lava Field
Park Background Volcanic in origin Sagebrush steppe
Resource Mgmt. Background Monitoring Chemical treatment
1. Dyer’s woad Movement Between 2009-2013
2. Estimated Numbers of Dyer’s woad had Herbicide not Been Used
3. Investigate Relationships Between Dyer’s woad and Independent Variables Using Regression Analysis
4. Model of Predicted Infestation Areas Based on Geographically Weighted Regression and the GWR Predictions Tool
Data Source AccuracyWeed point 2009-2013 (point)
Craters of the Moon NM and Preserve
Collected in the field with a Trimble GPS unit
Roads, Tracks, and Railroad Tracks (line)
Craters of the Moon NM and Preserve
Soil Type (polygon) SSURGO, USDA, NRCS 1 inch = 1,000 feetNED, Elevation (raster)
USGS 30 meter
Range Allotment ( Livestock Grazing) (Disturbance) (polygon)
GeoCommunicator, BLM
Land Cover (raster) USGS 30 meter
•Convert all rasters to polygons or points for joining later in the process
Slope Raster CreatedFlow Accumulation Raster CreatedWetness Index Raster Created
Ln((“FLOWACC”*900)/Tan(“SLOPE”))▪ (Cooley, 2013)
Movement Between 2009-2013 Annual Dyer’s woad distribution maps
Estimated Number of Dyer’s woad had Herbicide not Been Used. 2009 Data
NS = 383 * 0.865NF = [(VP * 0.175) + (NS * 0.01)] – MP
(Pokorny and Krueger-Mangold, 2007)
Investigate Relationships Between Dyer’s woad and Independent Variables Set Up▪ Break up study area into smaller pieces (polygons)▪ Dummy Variables for Categorical Data▪ Spatial Join (in order to get all variables in the
same table) Testing Independent Variables▪ Soil Type, Livestock Grazing (disturbance),
Elevation, Land Cover, and Wetness Index▪ Best Fit Model
Ordinary Least Squares (OLS) Regression▪ Test individual variables▪ Adjusted R-Squared value
OLS Regression Tool with All Inputs
1. Coefficients have the Expected Sign Expected positive or negative relationship with
dependent variable 2. No Redundancy Among Independent
Variables One or more variables telling the same story
3. Coefficients are Statistically Significant 4. Residuals are Normally Distributed
Jarque-Bera test 5. Strong Adjusted R-squared Value 6. Residuals are not Spatially
Autocorrelated Spatial Autocorrelation tool
ArcGIS Resources
Geographically Weighted Regression Tool Output of Model Residuals Neighbors Coefficient values
GWR Prediction Tool (different than geographically weighted regression tool) Prediction model showing areas that could
be infested based on chosen variables
Possible
Dyer’s woad Areas
January 15, 2014: Have all of the necessary data needed for the project
January 15 – March 1, 2014: Results Established
March 1 – April 1, 2014: Draft Paper April 8 – April 12, 2014: Present Paper at
Annual AAG Meeting in Tampa, FL April 13 – May 7: Complete Final Paper!
A series of annual species movement maps will be created for a 5 year period of Dyer’s woad point data
Priority zones for treatment will be established based on current levels and locations of infestation
The relationships between Dyer’s woad and independent variables (soil type, elevation, livestock grazing, wetness index, and disturbance will be explored and results shown)
Predictive Model for Land Managers
Cooley, Skye. 2013. Hillslope Wetness Index. Retrieved from http://gis4geomorphology.com/hillslope-wetness-index
Coutts, Shaun. R, van Klinken, Rieks. D, Yokomizo, Hiroyuki., Buckley, Yvonne. M (2010). What are the key drivers of spread in invasive plants: dispersal, demography or landscape: and how can we use this knowledge to aid management?. Biological Invasions, 13 (7) 1649-1661.
Davies, Kirk. W and Johnson, Dustin. D (2011). Are We “Missing the Boat” on Preventing the Spread of Invasive Plants in Rangelands?. Invasive Plant Science and Management, 4(1), 166-171. Retrieved from http://www.bioone.org/doi/full/10.1614/IPSM-D-10-00030.1
Dupont. 2009. Dupont Telar XP herbicide: Invasive Weed Management. Retrieved from http://www.weedcenter.org/technicalwebinars/documents/Written%20Content/DuPont/Invasive%20Weed%20Control%20with%20Telar%20XP%20herbicide.pdf
Pokorny, Monica. L and Krueger-Mangold, Jane. M (2007). Evaluating Montana’s Woad (Isatis Tinctoria) Cooperative Eradication Project. Weed Technology, 21(1), 262-269. Retrieved from http://www.bioone.org/doi/full/10.1614/WT-06-048.1
U.S. Department of the Interior, National Park Service and Bureau of Land Management. 2007. Craters of the Moon National Monument and Preserve Monument Management Plan, [Online]. Retrieved from http://www.fs.fed.us/database/feis/[2013, October 19]
Zouhar, Kris. 2009. Isatis tinctoria. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Retrieved from http://www.fs.fed.us/database/feis/[2013, November 10]