Domestic Invasive Species

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by codonnell991
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Environmental Studies

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Domestic Invasive Species

Invasive Species: Domestic

Invasive Species of Georgia

Fire Ant (Solenopsis)Place of Origin: South AmericaNew Home: 300 M acres of U.S. and all of Georgia except in mountainous areasYear of Introduction: 1930'sWhy Species was Introduced: Introduced by accident; originally in Alabama.Why Species is Successful: Wields a poisonous venom not adapted to by local species and lives in colonies of 100,000 to 500,000Problems Species Causes: Damages crops, tampers with electrical equipment, and is an overall aggressive species.

Hydrilla (Hydrilla Verticillata)Place of Origin: Africa and Southeast AsiaNew Home: 13,000 Acres of Lake SeminoleYear of Introduction: 1950'sWhy Species was Introduced: Introduced for ornamental purposesWhy Species is Successful: No natural consumers Problems Species Causes: Blocks sunlight and uses large amounts of oxygen, leading to fishkill. Also tends to clog drainage systems and restricts recreation.

Kudzu (Pueraria lobat)Place of Origin: Japan and ChinaNew Home: 7M acres of southern United States, resides in 24 counties of GeorgiaYear of Introduction: 1920'sWhy Species was Introduced: Erosion controlWhy Species is Successful: Ideal growing environment Problems Species Causes: Overgrows quickly; shades houses, signs, barns, etc.

Asian Tiger Mosquito (Aedes albopictus)Place of Origin: Asia and Pacific IslandsNew Home: All counties of GeorgiaYear of Introduction: 1986Why Species was Introduced: Introduced by accidentWhy Species is Successful: Out-competes other mosquito speciesProblems Species Causes: Aggressive biter and also possible vector for LaCrosse encephalitis, yellow and dengue fevers.

Chinese Tallow (Sapium sebifera)Place of Origin: ChinaNew Home: Coastal plains of SC, GA,AL, FL and TX Year of Introduction: 1772Why Species was Introduced: Ben Franklin sent seeds to a Georgia colonist as the tree appealed to him.Why Species is Successful: Quick growing and adaptive; leaves can be toxic to many possible consumersProblems Species Causes: Disrupts native tree growth, contributes to nutrient supplementation in streams, toxic to cattle.

Invasive Species of the United States:

Burmese Python (Python molarus)Origin: Eastern AsiaNew Home: Everglades Year of Introduction: 1976Why Species was Introduced: Introduced through hurricane damage to breeding facilitiesWhy Species is Successful: No natural predatorsProblems Species Causes: Disrupts environmental balance in everglades through it's large number of food sources and ideal breeding grounds

Asian Carp (Hypophthalmichthys nobilis)Origin:AsiaNew Home: Mississippi River Year of Introduction: 1970'sWhy Species was Introduced: Introduced by accidentWhy Species is Successful: Few predators; Asian carp grow quickly and feed voraciously-can consume 40% of their bodyweight each dayProblems Species Causes: Directly compete with native fish species; possible harm to boaters.

Multiflora Rose (Rosa multiflora)Origin:JapanNew Home: Eastern U.S.Year of Introduction: 1866Why Species was Introduced: Erosion control/ Ornamental purposesWhy Species is Successful: Birds spread seeds; protective adaptations prevent excessive feedingProblems Species Cause: Competes with native plants, attracts unwanted pests, damages pasteurs

Spiny Water Flea (Bythotrephes longimanus)Origin: EurasiaNew Home: Great LakesYear of introduction: mid 1980'sWhy Species was Introduced: Migritation to Canada and spread southWhy Species is Successful: Spines prevent fish from consuming, vast food sourceProblems Species Causes: Directly competes with fish species for food, endangers zooplankton species

European Starling (Stumus Vulgaris)Origin: EuropeNew Home: Mainland U.S.Year of Introduction: 1900'sWhy Species was Introduced: To bring all Shakespearian birds to the United StatesWhy Species is Successful: Large food source and few predatorsProblems Species Causes: Competes directly with native birds and damages crops.



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