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With no predators, these invaders can out-compete local fauna and flora, and then disrupt the balance of the ecosystem. An invasive species is an organism that is not native to an ecosystem, and thus has no natural predators in that environment. Invasive Species Are Riding on Plastic Across the Oceans Crustaceans and mollusks foreign to the United States have survived up to six years riding on ocean trash. “Marine invaders: Japanese tsunami brought 300 species to US shores” by Megan Gannon. 4 Minute Read Sept. 29, 2017. Invasive species in the Atlantic & Mediterranean – World Oceans Day. Nature. The invasion curve depicts that as time goes on, invasive species are more costly to manage. Don’t release your pets. Invasive species tend to displace the native species and even alter the entire ecosystem. National Geographic. Invasive species can be confused with the exotic species as they are both non-indigenous species. It may seem like the humane thing to set Nemo free in the ocean, but … Oct. 2, 2017. The history of invasive species is usually one of unforeseen consequences. They are both species that have introduced to a new area they aren’t native to. This lack of predators often causes some wicked problems in the place it colonizes. Aug. 28, 2018. The scientific illiteracy with respect to the global threat posed by invasive introduced species means that other ecological horrors are much more … Actually invasive aquatic species are one of the four greatest threats to the world’s oceans. However they move, invasive species can alter ecosystems, food webs, and economies. “Invasive species are riding on plastics across the oceans” by Whitney Pipkin. While the exotic species tend to lend in causing no harm to the native species. The ocean is teeming with plants and animals willing and able to move beyond their native habitats. Live Science. Aquatic (water-dwelling) invasive species are non-native plants, animals, and other organisms that have evolved to live primarily in water (aquatic habitats) rather than on land (terrestrial habitats). Some invasive species are transplanted to a new environment by accident, such as species that get into boats and travel across the ocean unnoticed. Graphic by S. Sparhawk, National Park Service. For Invasive Species Awareness Week, here are some easy ways you can help stop the spread of aquatic invasive species and protect the waters you love. BBC News. The effects in many areas of the world have been devastating. “Tsunami drives species ‘army’ across Pacific to US Coast” by Matt McGrath. When an animal, fish, insect or plant is taken out of its original ecosystem and introduced to … Enter: humans. Once an invasive species becomes established, it is rarely possible to eradicate. Aquatic habitats are habitats that are covered with water all or part of every year. 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