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Invasive Species

Invasive Species. What do you think an invasive species is?. Invasive Species​. ​means non-native or not originally from that place ​causes problems in the non-native environment​. Characteristics of Invaders​. ​reproduce very quickly ​lack of predators = lack of population control

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Invasive Species

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  1. Invasive Species

  2. What do you think an invasive species is?

  3. Invasive Species​ • ​means non-native or not originally from that place • ​causes problems in the non-native environment​

  4. Characteristics of Invaders​ • ​reproduce very quickly • ​lack of predators = lack of population control • ​adapts well to new environments • ​can live off of a wide variety of food sources

  5. Emerald Ash Borer​ • ​accident • ​thought to be brought to North America by traveling in ship containers • originally from Asia • ​can now be found in 15 states and Canada • has killed ​50-100 million ash trees • ​one of the most destructive invasive insects in North America

  6. Emerald Ash Borer​

  7. European Starling​ • ​on purpose • ​Shakespeare mentioned this bird in his writing so in 1890 100 birds were released in Central Park in NYC  • ​originally from Eurasia • now can be found all over U.S. • ​destroy crops • rob native birds of nesting sites 

  8. European Starling​ ​

  9. What next?​ • Mechanical-prescribed fire, manual removal, explosives • Biological-natural enemies such as insects or pathogens that attack the invasive species • Chemical-manipulation of water or soil chemistry to increase the growth of native species • Cultural-educating people, encouraging actions that minimize the spread of invasive species

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