Human Population Ecology Essay Example | Topics and Well Written Essays - 1500 words

Human Population Ecology - Essay ExampleAs a existence increase the resources be go into scarce. Therefore the alterations in number of births and deaths also decelerate. The human tribe has been growing persistently since the 1650, finally reaching a figure of 6 billion by latish 1999 and 6.3 billion by 2003. Now whether this reaping will continue consistently depends on ecological aspects. date ecologists energy in certain circumstances feel that growth in human tribe might stop, in other cases they suggest that there is no permanent reason to restrain the growth. A quick growth is supposed to have taken place owing to factors like a fast spill in death rate, modern techniques and processes of sanitation, an enhancement if growth of food facilities and distribution, improved medical care facilities and with duration the improved living standards and higher level of income led the decline in birth rate to come to terms with death rate. In different European nations in 200 3 the growth in human population has become negative or zero. As per the medium variant forecast of United Nations, a growth of zero percent is predicted for 2 nose candy. At that point of time, around 11 billion is the target population to be achieved. The population of the world reached one billion in 1850, two billion in another 100 years and 6.3 billion in 2003. As per Lomborg 60 percent of this growth would be skewed towards 12 nations. The regions outside Asian and African countries might not undergo the problems with population density. The population growth is highest in Asia where the zenith was achieved during 1989-91 with an addition of around 58 million births every year. The population growth has decreased gradually to 0.013 in 20032.Each individual contributes another individual to the population, which can be called the per capita rate of increase. According to the Essentials of Ecology population growth follows an Exponential Growth Model. The rate of per capita incr ease in the population can also