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The Impact of Invasive Species on Global Biomes

Invasive species pose a significant threat to ecosystems worldwide. These non-native animals and plants disrupt local biomes, leading to severe consequences for native species and habitats. Examples include the Gypsy Moth, which devastates forests in Massachusetts, the English Sparrow, which spreads diseases and outcompetes native birds, and the Brown Tree Snake in Guam, responsible for the decline of local bird populations. Understanding these impacts is critical for conservation efforts aimed at preserving biodiversity and maintaining ecological balance.

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The Impact of Invasive Species on Global Biomes

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  2. Piper Jones January, 2011 How do Invasive Animals and Insects Affect Biomes?

  3. Biomes • Region on earth • Characterized by plants and animals • Same temperature • Live in Deciduous Forest • Also Taiga, Tundra, Tropical forest, Desert, Grasslands, Savanna • Picture credit: http://earthobservatory.nasa.gov/Experiments/Biome/biotemperate.php

  4. Invasive or Alien Species Animals in non-native habitat Intentionally or accidently Irreversible Disrupt biome Damage plants and animals 50% of endangered or threatened species

  5. Gypsy Moth • Where: • Forests of Massachusetts • To produce inexpensive Silk • Affect plants: • Damage forests, shade, fruit, trees • Strip leaves • Kill oak trees • Picture credit: :http://earthobservatory.nasa.gov/Newsroom/view.php?old=2005020218274

  6. English Sparrow • Where: • United States • 1850s • Released hundreds • Control insect populations • Affect Animals: • Song birds • Spread disease/ parasites • Affect Plants: • Destroy crops • Eat seeds of almost anything http://buildyourownbirdhouseplans.com/images/2008HouseSparrow.jpg

  7. Africanized Honey Bee(Killer Bee) • Where: • South America • 1956 • 26 queen bees • Replace other bees • Affect Animals: • Kill livestock • Stung repeatedly • Affect Plants: • Less honey • Less efficient pollinator Picture Credit: http://www.google.com/images?um=1&hl=en&safe=active&rls=com.microsoft%3A*&tbs=isch%3A1&sa=1&q=Africanized+Honey+bee&aq=f&aqi=g3&aql=&oq=

  8. Brown Marmorated Stink Bug( Stink Bug) • Where: • United States • Asian Packing Crates • 1998 • Documented in Allentown, PA • Very common • Affect Plants: • Agricultural pests • Damage fruit and vegetables • Suck to feed • 1/3 of crops in West Virginia Picture Credit : http://njaes.rutgers.edu/images/photos/stinkbug/adult-female-full.jpg

  9. Brown Tree Snake • Where: • Guam • Stowaway ship cargo • Affect Animals • No predators • High populations • Loss of birds • Local pets • Killed native species Picture Credit: http://upload.wikimedia.org/wikipedia/commons/c/c9/Brown_tree_snake_Boiga_irregularis_2_USGS_Photograph.jpg

  10. Map of Guam http://www.bing.com/images/search?q=map+of+gaum&view=detail&id=AEA0544F8BD2B93427E2242425D1CC2C4FBCF923&first=1&FORM=IDFRIR&qpvt=map+of+gaum&adlt=strict

  11. Invasive Species • Cause extinctions • Spread sickness • Damage native species • Eat food • Destructive to: • Forests • Shade • Agriculture • Trees • Trees nutrients • habitats • Disrupt biome • Treat the balance of nature www.zazzle.com/tree_branches_and_roots_flyer-...

  12. Aliens are Roaming OUR World • Animals like: • Gypsy Moth • English Sparrow • Killer Bee • Stink Bug • Brown Tree Snake • Very Harmful • Contribute • Wildlife trade • To solve problems • Most likely irreversible • P.E.A.S • People for eating invasive species

  13. Works Consulted • Biomes. World Biomes. Web. 20 December 2010. • “Gypsy Moth.” The World Book Encyclopedia. Chicago: World Book. 1998. Print • Invasive Animals. World Wildlife Federation. Web. 17 December 2010. • Invasive Species. Pacific Northwest Research Station. Web. 22 December 2010. • Invader Species. Grolier Multimedia Encyclopedia. Web. 5 January 2011. Invasive Species. Pacific Northwest Research Station. Web. 22 December 2010.  • The Brown Tree Snake on Guam. United States Geological Survey. Web. 6 January 2011 • The Threat Of Stink Bugs. Seven Bends. Web. 6 January 2011.

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