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This article discusses advances in Alabama's strategy to target priority invasive plant species using new web databases and provides information on the major contributions by researchers from Auburn University and the US Forest Service.
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Advances in an Alabama Strategy To Target Priority Invasives Using New Web Databases James H. Miller Southern Research Station US Forest Service Auburn University, Alabama Major Contributions by Erwin Chambliss and Vic Rudis, SRS
The Main Portal to Invasive Knowledge Southeast Exotic Pest Plantand ALIPC Websites se-eppc.org
www.invasive.org FIA Survey Guide – 33 Taxa or about 40 Species …..And 20 additional species in Florida
Invasive Plant Taxa Surveyed Regional Florida Trees 6 6 Shrubs 8 5 Vines 8 3 Grasses 6 1 Ferns 1 2 Forbs 4 1 Subshrubs - 2 Total 33 20
SRS FIA Survey of Invasive Plants Initiated in 2001 and “phased in” until 2003 States vary in initiation of new cycle 1-7+ years to complete complete State while MS is underway and OK not started.
Percent Completion of Plots on Posted on SRS FIA Website 66% 60% 80% 60% 0 % 80% 80% O% * 100 % 57% 120% 100% 60% * Expected June 15 2007
FIA Forest Survey Plots . 2 24 ft radius (1/24 acre) 120 ft between centers . 1 . . 4 3 Microplot measurement of seedlings and saplings A Sample Plot is randomly positioned within each hexagon Sample Plots contain 4 Subplots each 1/24 acre 1 subplot = 1,500 acres
Survey of Forest Exotic Pest Plants Data Collected in Forested Subplots VAST OPPORTUNITIES FOR CORRELATIVE AND MODELLING RESEARCH • Landscape Context • Geographic Coordinates • Elevation • Proximity to Ag, Roads, Urban, Water • Size of forest fragment • Non-forest edge conditions • Subplot/Condition • Slope, Aspect, Physiography • Disturbances • Timber Treatments • Ownership, Land Use • Forest Type, Stand Age • Prior land use • All Trees >4 in dbh Measured and Assessed • Location in Subplot • Species, Diameter, Height, Status, Damage, etc
Survey of Forest Invasive Plants Data collected on Subplots Cover estimated for up to 4 invasive species CodeCover 1 Trace < 01 % 2 1-10 % 3 11-50 % 4 > 50% (50-90%) 5 90-100%
FIA Websites Invasive Data and Maps Southern SRS FIA Nonnative Invasive Data Tool • Summary tables by Species by State • County data by subplot and cover of Invasive Plant Species Future Developments • New data will be updated on the 15th of each month • Current data maps and shape-files available
0 1 - 35 36 - 85 86 - 145 146 - 235 236 - 285 286 - 425 Number of Forested Subplots per County Currently Posted 95,000+ Subplots
The following slides contain content that may be inappropriate for some viewers Parental discretion is advised
Occupation of Alabama’s Forests by Invasive Plants 2001-2006 James H. Miller and Erwin Chambliss, US Forest Service R&D Auburn Preliminary Estimate of Actual Acres Covered (SRS FIA) Japanese Honeysuckle 2,755,281 Acres Privets (Ch. & Jap.) 867,770 Acres Kudzu 58,250 Acres Japanese Climbing Fern 39,812 Acres Cogongrass 38,660 Acres Mimosa / Silktree 29,670 Acres Tallowtree 20,180 Acres Nonnative Roses 15,710 Acres Chinaberry 10,615 Acres Asian Wisterias 6,684 Acres Princesstree 2,284 Acres Tropical soda apple 1,008 Acres
0 0.1 – 5 5.1 - 25 25.1 - 50 50.1 - 75 75.1 - 100 Japanese Honeysuckle Lonicera japonica Percent Occurrence =(Subplots present / Total Forested Subplots) * 100
0 0.1 – 5 5.1 - 25 25.1 - 50 50.1 - 75 75.1 - 100 Japanese Honeysuckle Lonicera japonica Percent Occurrence =(Subplots present / Total Forested Subplots) * 100
0 0.1 – 5 5.1 - 10 10.1 - 20 20.1 - 30 30.1 - 60 Chinese Privet Ligustrum sinense Percent Occurrence =(Subplots present / Total Forested Subplots) * 100
Privets Tallowtree Paulownia Silverthorn Nandina Fragmented and Disturbed Landscapes with Mixed Land-use, Water-use, and Right-of-ways
0.1 – 1 0 1.1 - 4 4.1 - 8 8.1 - 12 Kudzu Pueraria lobata var montana Percent Occurrence =(Subplots present / Total Forested Subplots) * 100
0 0.1 – 1.5 1.6 – 5 5.6 – 10 10.1 – 20 20.1 – 30 Ailanthus Ailanthus altissima Percent Occurrence = Subplots with Invasive Species X100 Total Forested Subplots Surveyed
0 0.1 - 2 2.1 - 3 3.1 - 6 6.1 - 9 Princesstree Paulownia tomentosa Shenandoah NP Knoxville Percent Occurrence =(Subplots present / Total Forested Subplots) * 100
0 < 2 2.1 - 8 8.1 - 25 25.1 - 50 50.1 - 75 75.1 - 100 Bush Honeysuckles Lonicera spp. Percent Occurrence =(Subplots present / Total Forested Subplots) * 100
Species Control and Containment Strategies Prevention Search Early Alerts Contain by Inventory and Eradication Outliers Surveillance Inventory Monitor Contain by Inventory and Eradication Advancing Front Inventory Monitor Severely Infested or Occupied Zones Manage and Control Survey Monitor Special Habitat Protect By Eradication
0 0.1 – 0.5 0.6 - 5 5.1 - 10 10.1 - 15 15.1 - 30 Mimosa Albizia julibrissin Percent Occurrence =(Subplots present / Total Forested Subplots) * 100
0 0.1 – 0.5 0.6 – 2 2.1 – 4 4.1 – 8 8.1 – 16 Chinaberrytree Melia azedarach Percent Occurrence =(Subplots present / Total Forested Subplots) * 100
0 0.1 – 5 5.1 - 15 15.1 30 30.1 - 60 60.1 - 95 Tallowtree Triadica sebifera Percent Occurrence =(Subplots present / Total Forested Subplots) * 100
0 < 3 3 - 10 11 - 25 26 - 50 51 - 75 Japanese Climbing Fern Lygodium japonicum Percent Occurrence =(Subplots present / Total Forested Subplots) * 100
0.1 – 1 0 1.1 – 3.0 3.1 – 6.0 5.1 – 12.0 Cogongrass Imperata cylindrica Percent Occurrence =(Subplots present / Total Forested Subplots) * 100
Cogongrass 2007 35ºN 30ºN Eradication Underway First Entered U.S. at Grand Bay 1911-12 90ºW 25ºN
0 0.1 - 1 1.1 - 3 3.1 - 5 5.1 - 10 10.1 - 20 Tropical Soda Apple Solanum viarum Percent Occurrence =(Subplots present / Total Forested Subplots) * 100
0 0.1 – 1 1.1 - 2 2.1 - 5 5.1 - 10 10.1 - 25 Nandia Nandina domestica Percent Occurrence =(Subplots present / Total Forested Subplots) * 100
We must get ahead in our projections and know what we will be managing. Have working EDRR and containment strategies and programs. Be real about how we tackle these species by long-view assessments that are multi-species. Perform Cost-benefit analyses. Gain political buy-in at all levels.