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What are Invasive Species?

Two, Thrips palmi adult and juvenile views of female colors yellow and white on brown background, CSL photo 18 Photo by Central Science Laboratory, Harpenden; Copyright British Crown

Thrips palmi
female adult/juvenile
Photo by
Central Science Laboratory, Harpenden
Copyright British Crown

Don't know much about extinction or endangered species? You've come to the right website. You will find all kinds of information about what the words "Invasive Species" really mean. Not only is there a definition, but also some background to help you understand related topics: from where do invasive species come, how do they enter countries and how are they detected.

  1. A Strategic Plan for Managing Invasive Nonnative Plants on National Park System Lands
    How Can They Be Detected? - US)
    Type of Site: Government
    Publication Date: 13-Apr-95
    Key Words: Invasive Species, Nonnative Plants, Weeds

  2. Asian Long-horned Beetle
    How Do They Enter the U.S.? - Trade)
    Type of Site: Government
    Publication Date: 97
    Author/Webmaster: A. Cherry
    Key Words: nonindigenous, invasive species, Asian Long-horned Beetle, Insects,

  3. CABI Bioscience
    How Can They Be Detected? - Internationally)
    Publication Date: 21-Jun-95
    Key Words: Bioscience, Invasive Species

  4. Center for Invasive Plant Management
    Author/Webmaster: Meghan Trainor
    Key Words: Invasive Plants, Weeds, Ecological Management, Grants

  5. Centre for Earth Observation (CEO)
    How Can They Be Detected? )
    Type of Site: Remote sensing
    Key Words: Tutorial, invasive species

  6. Daylily Rust
    Type of Site: Education
    Publication Date: Dec 15, 2000
    Author/Webmaster: Tim Schubert and Robert Leahy
    Key Words: Invasive species, Puccinia sp, disease, daylily, Hemerocallis, Transportation, plantpathogens

  7. Forest Health Network
    How Do They Enter the U.S.? )
    Type of Site: Canadian Government ports of entry
    Author/Webmaster: E.A. Allen
    Key Words: Invasive Species, Canadian ports, Insect, quarantine,

  8. GEF Project Map Scheduled for Completion November 2000
    Type of Site: Organization
    Author/Webmaster: GEF Secretariat
    Key Words: Map, Invasive Species, Alien Species

  9. Giant Salvinia
    How Do They Enter the U.S.? )
    Type of Site: Government, Animal Plant Health Inspection Service
    Publication Date: 97
    Author/Webmaster: A. Cherry
    Key Words: Weed, Insect, nonindigenous, invasive species

  10. Hawaii Biological Survey Web Site
    How Can They Be Detected? - HI)
    Type of Site: Information
    Publication Date: Jan-96
    Key Words: Insect, Endangered, Threatened, Extinct, Hawaiian, species

  11. Impact Indicators Biological Pollution Voluntary and Involuntary Introductions of Invasive Species In Russia
    How Can They Be Detected? )
    Type of Site: Trade
    Publication Date: 27-Aug-96
    Key Words: Invasive Species, ondatra zibethica

  12. Insect Coleoptera Ceramybcidae, German website
    How Can They Be Detected? - Internationally)
    Type of Site: Education, Images
    Publication Date: 19-Apr-96
    Key Words: International, Coleoptera Ceramybcidae, German, Insect, Invasive Species

  13. Medfly information, USDA
    How Do They Enter the U.S.? )
    Type of Site: Government
    Publication Date: 18-Sep-96
    Author/Webmaster: A. Cherry
    Key Words: Insect, trade, nonindigenous, invasive species

  14. Meet Agriculture's Beagle Brigade
    How Can They Be Detected? )
    Type of Site: Government
    Publication Date: 97
    Author/Webmaster: A. Cherry
    Key Words: Beagle, agricultural, inspectors, foreign, animal, plant, pests, disease

  15. Netherlands Earth Observation Network
    How Can They Be Detected? )
    Type of Site: Remote sensing
    Publication Date: 9-Mar-96
    Key Words: Invasive Species

  16. Non-native Invasive Species in the Great Lakes
    How Do They Enter the U.S.? - Trade)
    Type of Site: Education
    Publication Date: 31-Jul-96
    Author/Webmaster: Sara Ashley
    Key Words: nonindigenous, invasive species

  17. SAIC Provides Contract Service to Research
    How Do They Enter the U.S.? - US)
    Type of Site: Education
    Publication Date: 29-Aug-00
    Key Words: Invasive Species

  18. Science Applications International Corporation
    How Can They Be Detected? )
    Type of Site: Trade
    Publication Date: 2000
    Key Words: Environment

  19. Scientific Committee on Problems of the Environment
    How Can They Be Detected? - Internationally)
    Publication Date: 9-Mar-96
    Author/Webmaster: Sergine Ponsard
    Key Words: Invasive Species, environmental issues

  20. Socio-Economic Aspects of Biological Invasion, A Case Study: the Golden Apple Snail
    How Can They Be Detected? - Internationally)
    Type of Site: Trade
    Key Words: International. Invasive Species, golden apple snail (Pomacea canaliculata)

  21. The Earth Observation World
    How Can They Be Detected? )
    Type of Site: Remote sensing
    Key Words: Disaster Images, remote sensing

  22. The Exotic Invasion, Phyllorhiza punctata
    How Do They Enter the U.S.? )
    Type of Site: News
    Publication Date: 18-Sep-96
    Author/Webmaster: Ben Raines
    Key Words: Exotic Invasion, Phyllorhiza punctata

  23. The Global Invasive Species Programme (GISP)
    How Can They Be Detected? )
    Type of Site: Education
    Publication Date: 17-May-96
    Author/Webmaster: Lneville@leland.stanford.edu
    Key Words: Invasive Species

  24. The Mediterranean Fruit Fly
    How Do They Enter the U.S.? - Trade)
    Type of Site: Government
    Publication Date: 97
    Author/Webmaster: A. Cherry
    Key Words: Insect, nonindigenous, invasive species

  25. The World Conservation Union
    How Can They Be Detected? - Internationally)
    Type of Site: Education
    Publication Date: 22-Jun-95
    Key Words: Invasive Species, environmental issues

  26. United Nations Environment Programme (UNEP)
    How Can They Be Detected? )
    Type of Site: Trade
    Key Words: Invasive Species, Alien Invasion,