An invasive species are often defined as animals‚ plants or microbes that are found apart from its native land and affect the economy‚ ecology and even the way of life for other species. For this reason‚ the Osteopilus Septentrionalis is now an invasive species to Florida. The Osteopilus Septentrionalis‚ also known as the Cuban Tree frog‚ is native to Cuba and has become an amazingly invasive species to the United States‚ within the last hundred years. It is believed to have come from Cuba as a stowaway
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In ecology‚ the competitive exclusion principle‚ sometimes referred to as Gause’s law of competitive exclusion or just Gause’s law‚ is a proposition which states that two species competing for the same resources cannot coexist if other ecological factors are the same. When one species has even the slightest advantage or edge over another‚ then the one with the advantage will dominate in the long term. One of the two competitors will always overcome the other‚ leading to either the extinction
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renewable natural resources are air water soil wildlife and forests. Conservation is necessary for the following reasons: 1. ensure the protection of plant and animal species and to prevent their extinction‚ 2. maintain a stable and balanced ecosystem. This prevents disruption of natural cycles and global warming. 3. to ensure conservation of marine life as they are a major source of human food. 4. conservation is of scientific value. the study of wildlife provides useful information for man’s
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Atchafalaya Basin. It is the nation’s largest river swamp and it contains almost one million acres of America’s most significant bottomland hardwoods‚ swamps‚ bayous‚ and backwater lakes (“Atchafalaya Basin” 1). Louisiana’s wetlands make up an ecosystem which covers more than 10 thousand square miles and is home to various plants‚ animals‚ and insects (Jonas 1). The types of wetlands which are located in Louisiana are swamps‚ levees‚ beaches‚ estuaries‚ barrier islands‚ and a variety of marshes
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corers of rupees. The annual loss of top soil is estimated 6000 million tonnes; its value in terms of money is enormous. Soil erosion also causes siltation of lakes and rivers. Felling of trees and destruction of forests cause imbalance in forests ecosystem. That reflects in the loss of varieties of flora and fauna. Forest loss is a threat to wildlife survival. In Bihar‚ Madhya Pradesh‚ Orissa and northeastern States about 50 per cent of family income in tribal areas comes from selling of
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population will have demands and needs that need to be met. This would include shelter‚ food‚ and education and so on. F What is the concept of smart growth? Smart growth is the concept of urban sprawl that is concern with the sustainability of the ecosystem. These areas may include sustainable farms‚ multifamily dwellings or alternative energy sources. G What are some economic and ethnic manifestations of urban blight? When an urban area dies it not only produces some unsavory civil issues but
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A Trip into Grasslands (Temperate) http://www.ehow.com/list_7764645_types-soil-grassland-biome.html http://www.ucmp.berkeley.edu/exhibits/biomes/grasslands.php http://www.blueplanetbiomes.org/prairie.htm http://www.defenders.org/grasslands/temperate-grasslands http://prezi.com/rp0aqvdjefiw/temperate-grasslands/ http://prezi.com/qt-z6bkds8hv/temperate-grassland-food-web/ http://www.mbgnet.net/sets/grasslnd/types.htm http://www.tutorvista.com/biology/abiotic-and-biotic-factors-of-the-grasslands
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a foreign species had successfully out-compete native organisms for food and habitat‚ it may survive and reproduce. However this species can become invasive when there is an excessive increase of population which can cause enormous damage to the ecosystem. The impacts of the foreign species could be immense‚ insidious and irreversible. In Australia‚ invasive species have been recognized one of the most serious threats to biodiversity. According to Environment Protection and Biodiversity Conservation
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– An Introduction to Ecology and the Biosphere Section A – The Scope of Ecology Ecology – definition Abiotics vs biotic factors Ecological time vs evolutionary time Organismal biology Organism – population – community – ecosystem Community ecology Ecosystem ecology Landscape ecology Rachel Carson – DDT – wrote book “Silent Spring” – know her story Section B1 – Factors Affecting the Distribution of Organisms Global patterns in distribution of organisms (know names and locations
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rebuild nature. So before it goes to far‚ and get’s to destroyed we must restore it. As people though we can only do so much and we can’t restore it with foreign plants‚ but only the natural plants that originated there. So if we destroy an area’s ecosystem then we can never restore‚ and replenish it to its original state and land consistency. In his essay Leopold said that "we have radically modified the biotic system because we had to. Food chains now begin with corn‚ and alfalfa instead of oaks
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