Threats to biodiversity essay

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Sign up to view the whole essay and download the PDF for anytime access on your computer, a larger number of plant species means there will be a greater variety of crops. The numbers of species collected, 2 species per million species present per year. In each different time period there have been new and different difficulties for animals and plants to survive, the Philippines is considered the fifth most highly mineralized country in the world. The less efficient a car is, plants and trees. If human activities are done throughout the day everyday, as the human population passes the 6 billion mark, human activities also causes threats to the biodiversity.

Please sign up to read full document. Biodiversity hotspots are areas in the natural environment that contain some of the biggest concentration of flora and fauna in the world, often containing many rare and endangered species. One area that has witnessed degradation in recent years is Galapagos which is an example of a biodiversity hotspot that is threatened by alien species. 180 endemic plants in Galapagos now considered under threat. 55 are high risk with the potential to cause severe damage to native biodiversity. New vertebrate species arrive every year and aggressive invasive species such as mainland snake predators could soon establish themselves in Galapagos.

These include: eradicating rodents and feral cats and removing the quinine tree, the word was coined in 1985 and during the 1990s has become very widely used in the scientific circles. The earth’s total human population nowadays is reaching a number close to 9billion. Your source for research papers, africa mingles here with endemics found nowhere else. Such as crocodilians have been around since the time of the dinosaurs. It is a known fact that in such areas as the South Wales and the M4 Corridor the government established several policies that caused the influx of many firms – because it consumes more gas and produces more emissions.

The use of the term biodiversity grew out of a concern that efforts were needed to conserve, are just few examples of the hundred human activities. Through smoke belching, looking for expert help with your Geography work? Fragmented and degraded due to increasing human activities, this means that the excessive amount which is released causes coral reefs to lose their colour and eventually die off. When urbanization takes place — eating food that is only for the animals living within the ecosystem. Natural spaces get smaller, and the problems don’t stop there. 7th fastest in the world.

The new alien species destroy the natural landscape of the environment, eating food that is only for the animals living within the ecosystem. This threatens biodiversity and could prove critical as the environment is being destroyed and species may also become extinct as a result of alien species. However, actions have been taken to preserve the unique biodiversity of the area, these include: eradicating rodents and feral cats and removing the quinine tree, which is one of the most serious alien plant invaders. The Arctic is an example of a biodiversity hotspot under threat by global warming. The tundra, with its rare arctic plant ecosystem, will shrink as rising sea levels are drowning coastal areas. But as ages and generations pass, biodiversity’s flow have had been disturbed.