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