Red-Eared SliderRed-Eared Slider
An invasive species in OregonAn invasive species in Oregon
By: Lauren H.By: Lauren H.
Anuraj C.Anuraj C.
Zoe W.OZoe W.O
Table of ContentsTable of Contents
Definition of an invasive speciesDefinition of an invasive species Names Names DesciptionDesciption Origin, how did it get here and Geological Origin, how did it get here and Geological
range.range. Current sitiation and future complicationsCurrent sitiation and future complications What does it do?What does it do? Previous control effortsPrevious control efforts DietDiet PredatorsPredators
DefinitionDefinition
An alien species that is introduced, An alien species that is introduced, accidently or on purpose, to a land that is accidently or on purpose, to a land that is forgien to its native habitat. Usually forgien to its native habitat. Usually causing enviornmental, economic and/or causing enviornmental, economic and/or human harm.human harm.
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Names and ClassificationNames and Classification
Red-eared sliderRed-eared slider Trachemys scripta Trachemys scripta
eleganselegans
Organism Type: Organism Type: reptilereptile
Fresh WaterFresh Water Warmer ClimatesWarmer Climates Ponds, Lakes, Ponds, Lakes,
Marshes, Creeks and Marshes, Creeks and Streams.Streams.
DescriptionDescription
Broad red stripe behind the eyesBroad red stripe behind the eyes Silimlar to yellow sliders (live in Southest Silimlar to yellow sliders (live in Southest
Virginia and Northern Florida)Virginia and Northern Florida) Older males become Melanistic or black. Older males become Melanistic or black.
(Making idintification hard)(Making idintification hard) Males: 12-13 cm - shell is domedMales: 12-13 cm - shell is domed Females: 20 cm - shell is flatFemales: 20 cm - shell is flat Shells are black and cream colored with Shells are black and cream colored with
green stripes.green stripes.
OriginOrigin
The Red-eared slider comes from the The Red-eared slider comes from the Mississippi River, The Gulf of Mexico and Mississippi River, The Gulf of Mexico and North East Mexico.North East Mexico.
How did they get to Oregon?How did they get to Oregon?
International pet trade was a major help in International pet trade was a major help in spreading these pesty turtles around the spreading these pesty turtles around the world.world.
Also, when pet owners got bored of this Also, when pet owners got bored of this slow pet, thus releasing it into the wild slow pet, thus releasing it into the wild helping this specie of turtles become helping this specie of turtles become incasive.incasive.
Geographical RangeGeographical Range
AustraliaAustralia BahrainBahrain CaribbeanCaribbean East and S.E AsiaEast and S.E Asia Europe ( Spain, France, England, Cyprus)Europe ( Spain, France, England, Cyprus) GuamGuam IsraelIsrael Mariana islandsMariana islands South AfricaSouth Africa
Current situation/future Current situation/future complicationscomplications
They eat small native They eat small native birds, invertebrates, birds, invertebrates, amphibians, and amphibians, and other smaller turtles. other smaller turtles.
They spread diseases They spread diseases to other animals.to other animals.
What does it do? (effects it What does it do? (effects it has on native species)has on native species)
Because they are sold in pet stores, these Because they are sold in pet stores, these turtles ate moldy food causing them to get turtles ate moldy food causing them to get Salmonella.Salmonella.
When they mate with Native turtles, they When they mate with Native turtles, they spread the desise.spread the desise.
They also are born in large numbersThey also are born in large numbers
Previous control effortsPrevious control efforts
Diet - PlantsDiet - Plants
Blue-green and green algaeBlue-green and green algae LeavesLeaves DuckweedDuckweed Emergent Emergent Stems Stems RootsRoots FruitsFruits Seeds of vascular Seeds of vascular PlantsPlants
Diet - AnimalsDiet - Animals
TadpolesTadpoles FrogsFrogs Small fishSmall fish Insects Insects CrayfishCrayfish ShrimpShrimp AmphipodsAmphipods Mollusks (snails)Mollusks (snails)
PredatorsPredators
CrowsCrows RaccoonsRaccoons OttersOtters Fish ( pike and bass)Fish ( pike and bass)
Frogs Frogs SnakesSnakes Wading birds (heron)Wading birds (heron) skunksskunks