Invasive Species 101 | National Geographic

Invasive Species 101 | National Geographic

(birds tweeting) – [Announcer] Rapidly growing, consuming, adapting, they conquer. Jeopardizing local economies, threatening human health, and
devastating entire ecosystems. – [Man] As whole rows of
cherished landmarks are condemned brought home to town-dwelling citizens are the rigid precautions being taken by the Department of Agriculture to save this tree from extinction. – [Announcer] Invasive species are non-native organisms that cause considerable damage when introduced to a new area. These species compete with
native wildlife for resources, and thrive at the expense
of the local ecosystem. (tree crashing) The introduction of invasive species is often associated with human activity. Boats that travel between
different bodies of water can carry hitchhikers,
such as the zebra mussel. One of the most notorious invasive species in the United States, these
rapidly reproducing mussels clog pipes and over take
beaches in the Great Lakes. Some invasive species, however, are introduced intentionally. (frog croaking) In the early 20th century, cane toads were brought to Australia as a form of pest control. Today, these poisonous
amphibians number in the millions and have cause a decline in
native predators on the island. It’s not just animals. Bacteria, fungi, and plants
can also become invasive. Brought to South Africa
in the 19th century, the black wattle is an invasive tree often used for timber and firewood. This beautiful tree, and
other thirsty invasives, are depleting the country’s
already record-low water supply. Because of their impact on human health, ecosystems, and infrastructure, invasive species cost the global economy over a trillion dollars each year. Many measures can be taken to help limit the spread
of invasive species, but the most effective
method is prevention. By carefully cleaning boats before transferring between
different bodies of water, not releasing exotic pets into the wild, and planting gardens with native species, we can help prevent the
spread of invasive organisms. Every living thing has evolved to play a specialized role
within their ecosystem. In the ultimate balancing
act, even one invasive species can drastically tilt the scales. If we stay mindful of our role in the spread of these organisms, we can prevent invasions
before it is too late. (gentle cinematic music)

91 thoughts on “Invasive Species 101 | National Geographic

  1. Well, it's part of our ecosystem!
    Humans are the only species that can think and response to their environment!

  2. That last part holds true. Everything plays a crucial role. Let's not mess it up just so we can 'take care' of our problems.

  3. One case of an invasive species disturbing native species is the common green iguana invading the Grand Cayman blue iguana's habitat. The blue iguana is endangered as a result of the green iguana. Rats also injure its hatchlings and threatened by feral cats and roaming dogs. It's sad to see the decline of a beautiful lizard. Another instance is the American crocodile in the Cuban croc habitat. Cuban crocs are decreasing in population due to breeding with American crocs and hunting by humans. Its restricted habitat makes it very vulnerable

  4. I say we get the army involved they are sworn to protect our countries. Eradicate these invasive species with one fell strike.

  5. Don’t worry at the rate we’re going with this climate change we won’t have anything to worry about.

  6. Alien plants and animals can wreak havoc on ecosystems when they move in and take over. To learn more, you can read on here:

  7. It would've been nice to know what calculi were made to estimate that 1.5T worth of damages from invasive species…

  8. Let’s discuss the invasion of Burmese pythons in FL and how it’s devastating the ecosystem… Has anyone else looked into the data on this? Very alarming.

  9. I thought they were going to cover some miraculous way to eliminate those Japanese beetles. Those things are invading Minnesota and destroying everything in their path.

  10. Great video as always and a great way to learn the basic concept about what's going on around the world. 1 question aren't we as humans the literal definition of "Invasive species" and maybe a step beyond that?

  11. Humans take such measures to save a few specific organisms from these invasive species, but forget that humans alone are easily the most invasive species of all

  12. So we complain the earth is dying and at the brink of a climate emergency, but when the earth has an adaptive organism we complain again. People are so disconnected from the earth

  13. The champion of invasive species introduction is Australia… just tell them to stop their ALWAYS WRONG predictions and so called experiments and half of the problem will be settled.
    Just what I know, not being interested in Australia at all are: camels, some sort of dogs' extinction that lead to rabbits' invasion, some bugs, and now todds … Australia is the WORST in this field!

  14. In some place in asia the chase of invasif insect is rare. Because we cook our insect. But i don't eat them but many people like it

  15. In the Czech Republic is the biggest problem Ips typographus and another Ipinaes, they are destroing our forests.😓

  16. Hmong hunters are reckless. You introduce them to handle an evasive specie and they'll eat and wipe out an entire population. Problem solved.

  17. Eleanor Roosevelt introduced rag weed to decorate the Pacific NW freeways. It has taken 70 years to push back.

  18. "If we stay mindful of our role and the spread of these organisms, we can prevent invasions before it is too late." Guess what, it is already too late!

  19. Would you say USA is an example of destruction caused by a single invasive species from Europe as it resulted in a complete annihilation of the local people and their culture ?

  20. How exactly can we fix all of this? Its not like we can just poison an entire invasive species in an area!!! The state that i live in is currently under attack from LANTERN FLIES!!!!!!!!

  21. “Growing rapidly. Consuming. Adapting. They conquer. Jeopardizing entire ecosystems. Threatening human health. And devastating entire ecosystems.”

    The Invasive species are…humans! Wohooo!! 🥳 🥳 🥳

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