Invasive species


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Invasive species

  1. 1. Invasive species By: Dyshon Jones
  2. 2. What is an Invasive species? <ul><li>An Invasive species is an organism that is not indigenous/ native to its environment. </li></ul><ul><li>Invasive species can be a plant, animal or insect. </li></ul><ul><li>Invasive species can be harmful to the enviroment and costly. </li></ul>
  3. 3. Worst Invasive Species <ul><li>European Rabbit- Has been responible for the extinction of over 8 different mamals </li></ul><ul><li>Zebra Mussel- Has been detremental to a variety of species in Great lakes region </li></ul><ul><li>Ship Rats- Has caused the extinction of certain birds, plants and small mammals </li></ul><ul><li>Feral Pig- has done millions of dollars worth of destruction done to property and farmland </li></ul>
  4. 4. Pros and Cons… <ul><li>Cons </li></ul><ul><li>Can be harmful to environment </li></ul><ul><li>Can be costly </li></ul><ul><li>Can destroy property </li></ul><ul><li>Can be harmful to native species </li></ul><ul><li>Pros </li></ul><ul><li>Can be used as a form of pest controll </li></ul>
  5. 5. Invasive insects <ul><li>Can also cause drastic changes habitat </li></ul><ul><li>Can endanger animal species. For example certain insects eat other insects that could be food for birds or small rodents </li></ul><ul><li>Can spread unique geographical diseases </li></ul>
  6. 6. Asian Tiger Mosquito <ul><li>Originates in southern and eastern asia </li></ul><ul><li>First seen in 1985 in Houston Texas </li></ul><ul><li>Known for aggressive biting (frequent) </li></ul><ul><li>Do Not transfer HIV/Aids but do give EEE (eastern equine encephalitis). </li></ul><ul><li>EEE tend to affect horses the most and has a 80-90% fatality rate. </li></ul>
  7. 7. Asian Longhorn Beetle <ul><li>Originally from eastern Asia </li></ul><ul><li>First noted in New York 1996 and Chicago 1998 </li></ul><ul><li>Infest large trees such as Maples and horse chestnut trees. </li></ul><ul><li>Since there is no natural predator scientist say there could be serious ecological problems. </li></ul>
  8. 8. Invasive Animals <ul><li>Invasive animals are often introduce to an area for the purpose of pest control. </li></ul><ul><li>Invasive animals are hard to predict and ultimately become a problem themselves </li></ul><ul><li>For example five cats were brought to South Africa for a mouse problem. Five cats turned into 3400 cats and endangered the bird population. </li></ul>
  9. 9. Types of invasive animals <ul><li>Burmese python </li></ul><ul><li>Brown tree snakes </li></ul><ul><li>Zebra mussel </li></ul><ul><li>Nutria </li></ul>
  10. 10. Zebra mussel <ul><li>Originally from the Black Sea and Caspian Sea in Central Asia </li></ul><ul><li>Accidentally brought to America </li></ul><ul><li>First seen in Great lakes and have been threatening natural inhabitants because of overpopulation. </li></ul>
  11. 11. Nutria <ul><li>Originally from South America </li></ul><ul><li>Brought to america to be famed for there furs but many were let go because of failing farmers. </li></ul><ul><li>They eat the tall grass and many other nutrients important to the wetlands of Chesapeake Bay. This animal has become a major problem to the food web in the Chesapeake bay. </li></ul>
  12. 12. Invasive plants <ul><li>Usually come From overseas and are usually exotic looking or have unique qualities. Such as Drought intolerance or are extremely fast growing. </li></ul><ul><li>They can be dangerous to native plants and search and kill other plants. (example mile-a-minute, purple loosestrife, and kudzu) </li></ul><ul><li>They reproduce in high numbers and spread very extensively and well. </li></ul><ul><li>100 million dollars spent to control invasive plants. </li></ul>
  13. 13. Types of invasive plant <ul><li>GOOD </li></ul><ul><li>Wheat </li></ul><ul><li>Tomatoes </li></ul><ul><li>Rice </li></ul><ul><li>BAD </li></ul><ul><li>Lythrum salicaria (purple loosestrife) </li></ul><ul><li>Ailanthus altissima (Tree of haven) </li></ul><ul><li>Hedera helix (English Ivy) </li></ul>
  14. 14. Tree of Haven ( Ailanthus altissima ) <ul><li>Grows In abandoned alleys </li></ul><ul><li>Known for how quickly trees are formed and size of growth </li></ul><ul><li>Can cause sidewalk damage or can even emerge from already cracked sidewalks </li></ul>
  15. 15. English Ivy <ul><li>Cover Most parts of North America </li></ul><ul><li>Notoriously known for growing so high that they cover up other plants lower than itself and killing them </li></ul><ul><li>Unless maintained they are advised to not be planted </li></ul>
  16. 16. Overview <ul><li>Invasive species can be costly to us and our property </li></ul><ul><li>Can cause disease </li></ul><ul><li>Can be harmful to other creatures and there habitats </li></ul><ul><li>Sometimes good but overall are never a good thing for anybody </li></ul> 0:00-2:05
  17. 17. The End
  18. 18. Citations <ul><li>Citation Sources </li></ul><ul><li>Chris. “5 worst invasive species”. . November 20, 2011. </li></ul><ul><li>“ Invasive Plants”. The United states National Arboretum. . December 4. 2009. http:// . November 19, 2011. </li></ul><ul><li>Princeton University. &quot;Do not harm invasive species that pollinate, study warns.&quot; ScienceDaily , 16 Nov. 2011. Web. 27 Nov. 2011. . </li></ul><ul><li>Robert Hilton. “ Two Invasive Insect Species from Asia: The Asian Tiger Mosquito and The Asian Longhorn Beetle”. . December 2000. http:// . November 27, 2011. </li></ul><ul><li>Tara Ramroop. “Invasive Species”. . =4&amp;ar_r=1#page=1 . November 17, 2011. </li></ul><ul><li>United States Environmental protection Agency. EPA. September 29, 2011. November 17. 2011. . </li></ul><ul><li>Citation of Pictures </li></ul><ul><li>Cheryl Moorehead. “Alainthus Altissima”. Photograph. . . November 27, 2011. </li></ul><ul><li>Michelle Manii . “Nutria”. Photograph. . Iamustique. . November 27, 2011. </li></ul><ul><li>R. Anson Eaglin. “Asian Long horned Beetle”. Photograph. . July 23, 2009. . November 27, 2011. </li></ul><ul><li>Smccan. “ Asian tiger misquito”. Photograph. . Smccan. . November 27, 2011. </li></ul><ul><li>The Greenmiles. “English Ivy in Arlington”. Photograph. . The Greenmiles. . November 27, 2011. </li></ul><ul><li>The mighty Canadian Jucepig. “Seashells of the Seashore”. Photograph. . The mighty Canadian Juicepig. . November 27, 2011. </li></ul>