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Alien Species: Introduction in the United States

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Scenario:

You are a demographer, a person who studies population patterns. Like most demographers, you are well aware of the growth of the human population in the last century. In 1900, the earth had a population of about one and a half billion people. By 2000, earth's population had quadrupled to six billion people. Most of these people live in the developing world.

One of your responsibilities is to help educate the public about the consequences of over-population. People don't understand much about demographics, so part of your job is to put your findings into language that lay people can understand. Sometimes you are asked to give speeches to business and environmental organizations. For example, next week you are scheduled to deliver an address on sustainable development to the annual meeting of Citizens for a Greener Planet. Shortly after that, you are participating in a panel discussion at Westmont College on the causes of famine.

You have academic responsibilities as well. For example, in a few weeks, you will be presenting a paper to the World Population Council on why fertility rates remain high in developing nations. It will be a difficult issue to present, since part of your presentation will have to deal with why some developing countries have been slow to adopt contraceptive practices that are commonly used in developed nations.

In 1922, the futurist H.G. Wells predicted that human survival would depend on "the race between education and catastrophe." Wells was speaking about mankind's ability to pervert science in ways that might cause the destruction of the planet. He might have just as well been speaking about the potential of mankind to over-exploit the Earth to the point where too many people will be left competing for too few resources. It is an important part of your job to alert the public to the consequences of the population explosion, of which climate change, air and water pollution, the destruction of forests and wilderness areas, and the loss of biodiversity are the most frequently mentioned. You know that these consequences can be averted if humankind has the wisdom to maintain the balance between its needs and the resources that are available to sustain them

Details: You have your own website, which has quite a following among the environmentally-conscious, as well as students assigned to research in your area. Each week, you post a short feature article, either a hot topic or educational column for your readers. Readers are welcome to ask questions or post their own information/personal experience regarding the topic on your site. This week, you have decided to post a web article about alien species.

Research the introduction of any two of the following alien species into the United States and the ecological effect(s) they have had on local plant and animal populations. If the introduction was intended, explain why. If unintended, explain how it occurred. Explain why these species are so invasive.

The fire ant
Kudzu
The zebra mussel
The Japanese beetle
The eucalyptus tree
Asian Longhorn beetle
Killer Bees

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Solution Summary

About 650 words, APA referencing

Solution Preview

The response addresses the queries posted in 709 words with references.

//This is an interesting query, which requires you to research some species given in this query. For this purpose, you can gather enough information from various online sources. Though, I am taking The Fire Ant, Killer Bees as an example, you can select any other species also. See the text below: //

Fire Ant Species
Generally, the people are not bothered by the groups of fire ant because of the various biological factors. But Solenopsis invicta (generally known as the Red imported fire ant) is an invasive pest in several areas in the world particularly the United States, Australia, Philippines, China and Taiwan.
In the 1930s, it was accidentally introduced into the United States through a Brazilian cargo entering the seaport of Mobile, Alabama. Goods polluted with the ants were unloaded by the cargo ships from Brazil coming at Mobile. Now, it swarms in the majority of the Southern and Southwestern United States. (Vander Meerl, Slovak & Thorvilson)
The ants harm the agricultural assets. Approximately, US$750 million of assets are damaged. These include the vet bills and livestock loss along with the crop loss. Fire ants are marvelous natural predators and ...

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