Invaders-Group2

“Alien species of plants and animals have invaded every continent. They have enormous powers; they spread disease; they devour our buildings. Some are destroying the very land under our feet. Think of them as the first wave of an assault that could drive the greatest mass extinction since the end of the dinosaurs. What is causing this invasion, and what can we do to stop the rising tide?” **// Group 2: Impact Health //** What happened in your section of the video? Explain: · The “Impact” or what was happening in the area. · What was the invader and where did it come from? · What are they doing to control or fix the situation? · What else does your team think can be done to control the situation? ** You guys need to summarize the video first. Tell what happened in your section before you answer questions. ** Summary: A few examples were shown about health issues in areas. A few were mentioned like the nile crocidile. Although it was a native species, it began to kill off other species from foreign lands. Another health issue mentioned was a plant ,called the Hycacinth, was clogging the Uganda shoreline. It also created a habitat for snails which spread disease throughout the community, This portion of the video also talked about a man that deployed plants that were infested with weevles. The weevles killed off the hyacinth. 1. The plants are destroying the lake because a type of snail lives in the roots of the weed and carries diseases which sicken the native people of that area. 2//.// Hyacinth is from South America. 3. They are deploying another predator that destroys the plants. 4. We think they can take the plants up in large quantities. 5. We think they could use giant nets to fish the weeds out of the water which would be a much faster way of getting it out of the lake

I really can't tell the story line from the video from your summary. The main part of this story is talking about how they used a different invasive species called the weevil to eliminate the water hyacinth. It can be very tricky to kill an invasive species with a different one as the video showed with the cats on Galapagos Islands. Here is a summary of the video from the Strange Days website: http://www.pbs.org/strangedays/episodes/invaders/experts/hyacinth.html == " 'Alien species of plants and animals have invaded every continent. They have enormous powers; they spread disease; they devour our buildings. Some are destroying the very land under our feet. Think of them as the first wave of an assault that could drive the greatest mass extinction since the end of the dinosaurs. What is causing this invasion, and what can we do to stop the rising tide?' == == Ogwang imported another invasive species — a voracious South American weevil and natural enemy of water hyacinth. Ogwang tested to see if his new tiny imports would keep their sights solely on the water hyacinth and not on any local crops. Satisfied with their specificity, he released his tiny army and they got to work. == == Water hyacinth is a problem in the US as well. According to the University of Florida, water hyacinth was introduced from South America into the US in 1884. Since then it has spread into many lakes and rivers of the southern US, making it one of the most troublesome aquatic plants in the country. == == A number of different biocontrol species have been tested on water hyacinth here in the US. In 1972, the mottled water hyacinth (Neochetina eichhorniae), with a life span between 90-120 days, was deployed in Florida. In 1974, a shorter life span weevil, the chevroned water hyacinth weevil (Neochetina bruchi) was released. Later, an even shorter life-span hyacinth eater — the Argentine water hyacinth moth (Sameodes albiguttalis) with a lifespan of only 30 days — was established. These species have now been used not only in other states like Louisiana and Mississippi but across the world including such countries as Australia, Fiji, Honduras, India, Malaysia, Papua, South Africa, Sudan and Thailand." == 58/75 points