The effects in many areas of the world have been devastating. This lack of predators often causes some wicked problems in the place it colonizes. 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. The invasion curve depicts that as time goes on, invasive species are more costly to manage. The best way to avoid the harm that invasive species can cause is to prevent them from entering the country. Quantitative data show that the rate of bio-invasions is continuing to increase at an alarming rate and new areas are being invaded all the time. Some invaders hitchhike on ship hulls or inside ballast tanks, others are introduced through the aquarium trade. However they move, invasive species can alter ecosystems, food webs, and economies. Graphic by S. Sparhawk, National Park Service. “Marine invaders: Japanese tsunami brought 300 species to US shores” by Megan Gannon. Invasive species in the Atlantic & Mediterranean – World Oceans Day. Don’t release your pets. From oceans to bogs, many types of aquatic habitats exist. 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. An invasive species is an organism that is not native to an ecosystem, and thus has no natural predators in that environment. The ocean is teeming with plants and animals willing and able to move beyond their native habitats. Oct. 2, 2017. “Tsunami drives species ‘army’ across Pacific to US Coast” by Matt McGrath. 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). The history of invasive species is usually one of unforeseen consequences. Sept. 29, 2017. When an animal, fish, insect or plant is taken out of its original ecosystem and introduced to … The scientific illiteracy with respect to the global threat posed by invasive introduced species means that other ecological horrors are much more … Enter: humans. They are both species that have introduced to a new area they aren’t native to. BBC News. Invasive species can be confused with the exotic species as they are both non-indigenous species. Actually invasive aquatic species are one of the four greatest threats to the world’s oceans. With no predators, these invaders can out-compete local fauna and flora, and then disrupt the balance of the ecosystem. Some invasive species are transplanted to a new environment by accident, such as species that get into boats and travel across the ocean unnoticed. Once an invasive species becomes established, it is rarely possible to eradicate. By Sailing Millie Home . National Geographic. 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