"Population ecology" Essays and Research Papers

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    Salmon Population Restoration Salmon populations are a species indicator for their ecosystem‚ meaning the health of their population also indicates the health of their ecosystems. Factors facilitating this notion include‚ that salmon are andromodus and inhabit the entire river ecosystem‚ from headwaters to the ocean. They are also extremely sensitive to changes in the ecosystem. Variables like water quality‚ trophic webs and upstream perturbations‚ turbidity and temperature all affect the salmon

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    Statistics (2009)‚ the estimated population of Melbourne SD is 3.9 million at June 2008‚ an increase of 74‚600 people or 2.0% since June 2007. Melbourne SD experienced the largest growth amongst all Australian capital city SDs for the year to June 2008. And the Government of Victoria believes that there will be a one million growth of population in the next 30 years (Victoria Department of Sustainability and Environment‚ 2005). Due to the large number growth of population‚ how to plan Melbourne as one

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    HIGH POPULATION GROWTH RATE CAUSED BY: >High birth rate Improved health care It gives people a higher chance of survival. In African countries like TANZANIA‚ it is compulsory for all babies to be vaccinated.This vaccination protected the babies from certain disease and hence many lives are saved. It allowed women to led a healthier life‚ and hence prolong their child-bearing years. ESPECIALLY SIGNIFICANT

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    Us Population

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    Characteristics of the U.S. population in 2025 The United States is the third most populated country in the world. This country holds about 4.5% of the world’s population. The U.S. population is currently estimated to have 308.7 million persons. This number is more than double of the population from 1950. Besides the fact of the population has doubled its size‚ the population has also become qualitatively different from the one from 1950. As noted by the Population Reference Bureau

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    Population Dynamics

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    changed greatly since the 1960s and 1970s‚ when there existed a virtual consensus among Western experts that rapid population growth in the developing world represented a serious global crisis. One of the primary causes of environmental degradation in a country could be attributed to rapid growth of population‚ which adversely affects the natural resources and environment. The uprising population and the environmental deterioration face the challenge of sustainable development. The existence or the absence

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    Population Control

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    Human population control is the practice of artificially altering the rate of growth of a human population. Historically‚ human population control has been implemented by limiting the population’s birth rate‚ usually by government mandate‚ and has been undertaken as a response to factors including high or increasing levels of poverty‚ environmental concerns‚ religious reasons‚ and overpopulation. While population control can involve measures that improve people’s lives by giving them greater control

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    Population Growth

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    WHY MALTHUS WAS WRONG Over the past 10 years‚ Indian population has risen by 220 million people‚ reaching an estimated 1‚22 billion in 2012. The effects of this population increase are evident in the increasing poverty‚ unemployment‚ air and water pollution‚ shortage of food‚ health resources and educational resources. With India as an example we will discuss Malthus‚ the population growth theory and see if Malthus theory was maybe mistaken in the past but has some valid aspects today. Thomas

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    world population

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    World Population can be stopped if we work together. Since early times the population of our world has rose from the inventions of medicines and new technology. With population rising towards ten billion we need to begin to start thinking about preserving resources. The rising population can be controlled if we improve education‚ start a two child rule per family‚ and provide family planning guides too young adults in rural countries. Improving education throughout the world will help stall the

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    As we all know‚ one of the global issues‚ ageing population has affected the worldwide and are known to increase within the next few decades. This essay will analyse the impact of ageing population where it is one of the main impacts of global issues in the 21st century today which have influences on not only socially and economically but also politically as well from the Ministry of Health. In addition‚ the ageing population have effects from different perspectives such as towards the New Zealand

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    Population Dynamics Discussing the Population Dynamics of Netherland Netherlands The Netherlands is a constituent country of the Kingdom of the Netherlands‚ consisting of twelve provinces in North-West Europe and three islands in the Caribbean. The Capital is Amsterdam.   | The Netherlands is the 61st most populated country in the world and as of March 9‚ 2011 it has

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