"Population ecology" Essays and Research Papers

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    Geography, Population

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    distribution of the world’s population. The world population is expected to grow from 6.1 billion in 2000 to 8.9 billion in 2050‚ increasing therefore by 47 per cent. The changing distribution‚ rate and nature of the world’s population consider a number of factors which include urbanisation‚ population of the developing and developed countries. Also how fast or slow the population increases over a specific period of time‚ and where the distribution is and why. Population of developing countries

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    Over Population

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    Over Population The world’s population is approximately 5.9 billion‚ and it is still growing. It has just about doubled in the past forty years. We are now faced with the issue of over population. The problem is very severe‚ and important. It is controversial how many people this planet can hold. Some are arguing that we have plenty of room‚ and we could fit everyone on the state of Alaska‚ if we just put 10‚000 people on each square mile. Alaska only makes up about one

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    Population sociology

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    Population & Migration Key Words & Definitions Population a group of people within an area Distribution the spatial property of being scattered about over an area or volume Densely an area with lots of people living in it Sparsley an area that has a few people living in it Birth rate number of births in a year per 1‚000 population Death rate number of deaths in a year per 1‚000 population Infant mortality the number of babies out of every thousand that dies before the age of one Demographics the

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    Population

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    Population Density‚ Distribution and Growth in Jamaica Name: Janice Jones School: Territory: Jamaica Centre no: Year: 2012 Population Distribution Population Distribution may be defined as the arrangement or spread of people living in a given area; also‚ how the population of an area is arranged according to variables such as age‚ race‚ or sex. How to construct a population distribution map (choropleth) Parish | Area (KM) | Population (‘000s) | Density | Clarendon | 1196

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    Biology Study Guide Unit 5 – Ecology Emma-Louise Wich Communities and Ecosystems 5.1.1 Define species‚ habitats‚ populations‚ community‚ ecosystems and ecology.  Species: a group of organisms that can interbreed and produce fertile offspring. Habitat: the environment in which a species normally lives or the location of a living organism. Population: a group of organisms of the same species who live in the same area at the same time. Community: a group of populations living and interacting with

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    China's population

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    How china’s population has changed over time? China’s population is at once its greatest asset as well as its most significant challenge. This is as true today as the twenty-first century begins as it has been for much of China’s history. Although there are not absolutely reliable historical census numbers for China‚ certain patterns emerge as one examines China’s imperial demographic path from 60 million people two thousand years ago passing the one billion mark in recent times. China is world`s

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    Population Demographics

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    Population Growth Rate: Highest to Lowest Rate Nigeria: 1st Egypt: 2nd Mexico: 3rd India: 4th USA: 5th China: 6th Italy: 7th 1.How do you suppose living conditions differ between the countries furthest along in the demographic transition compared to the country earliest in the transition? How would living conditions in these two countries affect both birth and death rates? The living condition

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    World Population

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    it is easy to see why its total fertility rate‚ life expectancy‚ total population‚ and other demographic identities have changed over the past century. Even with its TFR well below replenishment level‚ their population has continued to grow until recently when the growth rate has decreased and actually turned negative to -.077% (CIA 2012). It is noticeable the effects of WW1‚ WW2‚ and the Korean War have had on its population. During each of these wars the TFR dropped at the start of the war‚ slightly

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    Youthful Population

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    Youthful Population A Youthful population is defined as a population with a higher percentage of young people. Many countries in the world have a youthful population‚ some of these include; Nigeria‚ Uganda‚ Malawi‚ Egypt and the Gambia. A youthful population can have both positive and negative effects and implications on different part of the country. For example; Employment‚ Economy and the countries demographics. An increase of youthful population may be due to an increased accessibility or improvements

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    Youth Population

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    Young Population Population age structure can have a significant impact on countries’ stability‚ governance‚ economic development and the well-being of its people. Reasons for Young Population: * Recent decades of high fertility (births per woman) e.g. women in sub-Saharan Africa give birth to 5.5 children on average in their lifetimes. Uganda- very high fertility rate (6.7) and a high teenage pregnancy rate (25%) * Teenage girls sell themselves for sex to earn money and end up getting

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