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Five Invasive Plants Threatening Southern Forests In 2009 Identified

U.S. Forest Service Southern Research Station (SRS) Ecologist Jim Miller, Ph.D., one of the foremost authorities on nonnative plants in the South, today identified the invasive plant species he believes pose the biggest threats to southern forest ecosystems in 2009.

“Cogongrass, tallowtree, and Japanese climbing fern are among the fastest moving and most destructive nonnative plant species facing many southern landowners this year,” said Miller. “Rounding out the top five invasive species that I’m very concerned about would be tree-of-heaven and nonnative privets. While our forests are besieged by numerous invasive plants, these and other nonnative species present serious financial and ecological threats to the South and its forests in 2009.”

Nonnative species often out-compete native forest plants and may degrade forest productivity, wildlife habitat, recreational values, and water quality. Invasive species also greatly increase expenses as public and private land managers work to combat their spread and deal with their effects (such as increased wildfire risk and severity).

Nonnative plants can be introduced and spread by wildlife or through other natural means. Humans also spread invasive species by planting them in their gardens and yards and by seeds hitchhiking on their clothes. Additionally, tractors and mowers used in multiple locations without being cleaned often spread nonnative plants.

In an effort to inform forest managers, landowners, and others about where the most threatening invasive plants are in the South and to help them prepare for these threats, Miller collaborated with SRS Forest Inventory and Analysis (FIA) scientists to develop maps showing the spread, county-by-county, across the Southeast of more than 30 of the most serious nonnative plant species. The invasive plant data were collected on FIA plots throughout the southern United States in cooperation with State forestry agencies. In partnership with the University of Georgia’s Center for Invasive Species Science and Ecosystem Health, SRS researchers recently posted the maps and occupation levels online.

Maps posted at http://www.invasive.org/fiamaps/acres.cfm show the number of acres in a county covered by each nonnative species.

Miller hopes government agencies, forest managers, natural resource professionals, landowners, students, and others will use the information to help combat the spread of nonnative plant species in southern forest and grassland ecosystems.

Details on the five invasive plants mentioned above can be found online via: http://www.srs.fs.usda.gov/pubs/gtr/gtr_srs062/.

Short URL: http://chandadavis.net/?p=1107

13 Comments for “Five Invasive Plants Threatening Southern Forests In 2009 Identified”

  1. Pamela Hussey-6th Period

    1. Ecologist Jim Miller, Ph.D., one of the foremost authorities on nonnative plants in the South
    2. Cogongrass, tallowtree, and Japanese are the fastest moving and most destructive nonnative plant species.
    3. Compete native forest plants and may degrade forest productivity, wildlife habitat, recreational values, and water quality.
    4. University of Georgia’s Center for Invasive Species researchers recently posted the maps and occupation levels online
    5. In to inform forest managers, landowners, and others people about where the most threatening invaive plants are in the South.

  2. natalie seavers 6th

    Cogongrass, tallowtree, and Japanese climbing fern are the fasted spreding plant around.

    This year they all made the list for top distructive plant epecilly in the southern states.

    often the plants outwin the other grass and whatnot by get more water an soil.

    Equitment use in other area’s then one one being used now will contaminate they area being done in the point of time.

    humans also spead it by moving garden to garden

  3. Kathryn Wilson 4th

    1. SRS ecologist Jim Miller,is one of the authorities on nonnative plants in the South.
    2. In 2009 many nonnative plants will cause many financial and ecological problems to the South and its forests.
    3. Nonnative plants degrade forest productivity, wildlife habitat, recreational values, and water quality.
    4.Humans can spread invasive plants.
    5. The most threatening kind of these plants are in the South.

  4. Brady Purdin (2nd Period)

    Brady Purdin 10/12/09 Five Invasive Plants Threatening Southern Forests In 2009 Identified

    1. Ecologist Jim Miller believes that identified invasive plant species are the biggest threats to southern forest ecosystems in 2009.
    2. Cogongrass, tallowtree, and Japanese climbing fern are one of the fastest moving and most destructive nonnative plants.
    3. Nonnative species often out-compete native forest plants and may degrade forest productivity, wildlife habitat, recreational values, and water quality.
    4. . Invasive species also greatly increase expenses as public and private land managers work to combat their spread and deal with their effects.
    5. Nonnative plants can be introduced and spread by wildlife or through other natural means.

  5. Brett Stoddard 5th

    1).The ecologist believes a plant species has the biggest threats to southern forest in two-thousand and nine.
    2).Nonnative species often compete with native forest plants.
    3).They can be spread by wildlife.
    4).Humans also spread it by planting.
    5).Some of the most threatining plants are in the south and farmers help piont them out.

  6. KELSEY SCHRONCE 5th PERIOD

    1. SRS ecologist Jim Miller,is one of the authorities on nonnative plants in the South.
    2. In 2009 many nonnative plants will cause many financial and ecological problems to the South and its forests.
    3. Nonnative plants degrade forest productivity, wildlife habitat, recreational values, and water quality.
    4.Humans can spread invasive plants.
    5. The most threatening kind of these plants are in the South.

  7. Elizabeth Sanders 1st period

    Article Summary for February 1, 2010

    1. Humans can spread invasive plants.
    2. The most threating kind of these plants are in the south.
    3. They can be spread by wildlife.
    4. Humans also spread it by planting.
    5. Nonnative species often complete with native forest plants.

  8. MaRhea Wood - 2nd period

    1. Humans can spread invasive plants.
    2. The most threating kind of these plants are in the south.
    3. They can be spread by wildlife.
    4. Humans also spread it by planting.
    5. Nonnative species often complete with native forest plants.

  9. Tonya Heathington 1st period

    1. Scientists one of the foremost authorities on nonnative plants in the South, today identified the invasive plant species.
    2.Nonnative species often out-compete native forest plants
    3.Humans also spread invasive species by planting them in their gardens and yards.
    4.most threatening invasive plants are in the South
    5. Scientists hope government agencies, forest managers, natural resource professionals, landowners, students, and others will use the information to help combat the spread of nonnative plant species

  10. Avery Wilson 4th per.

    Cogongrass, tallowtree, and Japanese climbing fern are among the fastest moving nonnative plants facing many southern landowners last year.
    Nonnative species may degrade forest productivity.
    They may degrade wildlife habitat.
    They may degrade recreational values.
    They may degrade water quality.

  11. Connor Ferguson 1 period

    1.Cogongrass, tallowtree, and Japanese climbing fern are among the most destructive plants in the south.
    2.Nonnative species often out-compete native forest plants.
    3.They also may degrade forest productivity, wildlife habitat, recreational values, and water quality.
    4.Nonnative plants can be introduced and spread by wildlife or other things.
    5.Tractors and mowers can spread the plants if not cleaned.

  12. Rachel Whorton 2nd

    1) Humans can spread invasive plants.
    2) They may degrade water quality.
    3)Humans also spread it garden by garden.
    4) They made degrade recreational values.
    5) They may degrade wildlife habitat.

  13. Ryan Chamberlain 1st Period

    Article Summary:

    1.Jim Miller, today identifies the invasive plant species he believes pose the biggest threats to southern forest ecosystems in 2009.

    2.Nonnative plants can be introduced and spread by wildlife or through other natural means.

    3.Jim Miller is an ecologist at the U.S. Forest Service Southern Research Station.

    4.Miller says that the, “Cogongrass, tallowtree, and Japanese climbing fern are among the fastest moving and most destructive nonnative plant species facing many southern landowners this year.”

    5.In an effort to inform forest managers, and landowners about where the most threatening invasive plants are in the South and to help them prepare for these threats.

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