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Free research papers and essays on topics related to: native species

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  • Australia - 1,946 words
    Australia Australia The name of Australia comes from the Latin word Australis, which means southern. Since it lies entirely in the southern hemisphere, Australia is most commonly referred to as "down under". Australia, being a country, is also a continent. In land area its the sixth largest for a country and the smallest continent. Australia is a very dry, thinly populated country. Very few coastal areas receive enough rainfall to support a large population. The largest group of Australian people live in two large cities, Sydney and Melbourne. The vast interior is mainly desert or grassland and there are very few settlements. As a whole, the country has a density of six people per square mil ...
    Related: australia, secondary education, national pastime, coral reefs, livestock
  • Causes Of Endangered Species - 1,209 words
    Causes Of Endangered Species CAUSES OF ENDANGERED SPECIES The term endangered is used by international and national organizations to define plants and animals currently in danger of becoming extinct. Although the term endangered is universally used, the definition of an endangered species is greatly varied. In most cases, the factors causing an organism to become endangered are human- related. When discussing the causes of endangered species, it is important to understand that individual species are not the only factors involved in this dilemma. Endangerment is a broad issue, one that involves the habitats and environments where species live and interact with one another. Although some measu ...
    Related: endangered species, foreign species, native species, species, human activity
  • Economics Of Aquaculture United States - 1,436 words
    Economics Of Aquaculture United States Economics of Aquaculture United States Aquaculture is the fastest growing agricultural industry in the United States. In 1990, there were over 100 species cultured; eight species accounted for approximately 70% of total culture, with over 3400 aquaculture operations in the United States. This trend is driven by increased demand for fisheries product and reduced yield from traditional fisheries landings (National Research Council, 1982). Given the increased demand, there is a significant potential for job creation in an expanded aquacultural industry. The estimated U.S. Total Aquaculture Production (including freshwater) has more than doubled from 139,88 ...
    Related: aquaculture, economic development, economic value, economics, modern economics, northeastern united states, united states trade
  • Invasion Of The Zebra Mussels - 742 words
    Invasion Of The Zebra Mussels Invasion of the Zebra Mussels There has been an incursion into the sovereign territory of the United States of America. The Zebra mussel, an animal much akin to the clam, has colonized nearly every hard surface in the Great Lakes area, and many rivers and streams attached to them. These invaders arrived on ships from England, pumped out through the ballast. Zebra mussels are from a different environment (England), thus they are classified as an exotic species. These pesky animals threaten the entire Great Lakes ecosystem. The invasion has created many problems for the local ecosystem. First of all, Zebra mussels take the food for which native species already com ...
    Related: invasion, zebra, great lakes, united states of america, illegal
  • Species Preservation - 1,639 words
    Species Preservation One issue that has been a controversy is the preservation of endangered species. Ever since the 1960's, scientists have been fighting for laws and acts to protect animals and plants in keeping them in good health and their populations high in numbers. The problem is animals and plants are having trouble surviving in today's world which leads them to be classified as endangered or threatened. Endangered, meaning animals or plants with little population that the species could soon become extinct and threatened is less severe and basically just means that they are close to becoming endangered. By species becoming endangered, this affects our habitat's biodiversity. Today, h ...
    Related: endangered species, foreign species, native species, plant species, preservation, species
  • The Australian Cane Toad - 1,284 words
    ... field. Research and Control The CSIRO Australian Animal Health Laboratory (AAHL) at Geelong is a high security microbiological facility, purpose designed and operated to undertake research into viruses, bacteria, fungi and parasites which are exotic and do not occur in Australian domestic or wild animals. It is the only laboratory of its kind in Australia where studies on these exotic micro-organisms can be undertaken. Recently, the laboratory has been commissioned and funded to begin research into the control of the cane toad, using viruses or other microbial agents found overseas. The major concerns about the toad involve its prodigious appetite, and the toxicity of all its life stage ...
    Related: australian, australian government, cane, toad, chinese medicine
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