Causes of overpopulation - are
Overpopulation is an undesirable condition where the number of the existing human population exceeds the actual carrying capacity of Earth. Overpopulation is caused by a number of factors. Reduced mortality rate, better medical facilities, depletion of precious resources are few of the causes which result in overpopulation. It is possible for a sparsely populated area to become densely populated if it is not able to sustain life. Growing advances in technology with each coming year has affected humanity in many ways. One of these has been the ability to save lives and create a better medical treatment for all. A direct result of this has been the increased lifespan and the growth of the population. causes of overpopulation
Ielts essay about overpopulation
Overpopulation refers to a population which exceeds its sustainable size within a particular environment or habitat. Overpopulation results from an increased birth rate, decreased death rate, the immigration to a new ecological niche with fewer predators, or the ovfrpopulation decline in available resources. Therefore, overpopulation describes a situation in causes of overpopulation a population in a given ecosystem limit the resources available https://digitales.com.au/blog/wp-content/custom/a-simple-barcoding-system-has-changed-inventory/interlopers-analysis.php survival. Overpopulation can have several effects on the environment, as well as other species within an ecological system.
Indeed, human overpopulation has resulted in technological advances which have increased human lifespan and fertility, and consequently placed pressure on global resources. Such effects are such that the planet is currently in a causes of overpopulation geological epoch called the Anthropocene. In general, overpopulation results in an ecological disruption as resources are depleted. This disruption can lead to the decline of other populations which compete for the same resources.
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Typically, such effects result in the cycling between periods of population growth and periods of population decline until it can reach homeostasis within a particular ecological niche. Some examples of naturally causes of overpopulation population growth are rodents, rabbits, and various insect populations e. In situations of overpopulation caused by the introduction of a foreign species for which they have no causes of overpopulation predators, they can become an invasive species. An example is the inadvertent introduction of zebra mussels to the North American water systems. Since zebra mussels are natively from the Black Sea and Caspian Sea, they have no natural predators in the foreign ecosystems of North America and parts of Europe.
As such, zebra mussels quickly became an invasive species, clogging water treatment pipes, affecting power plants, and impacting the local freshwater fish populations. The image below illustrates an infestation of zebra kf on a North American lock due to the overpopulation of zebra mussels in the North American waterways. Other economic effects of overpopulation include those caused by crop destruction, as seen with the overpopulation of rabbits in Australia.]
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