Biodiversity And Diversity Of Life On Earth Essay

Biodiversity And Diversity Of Life On Earth Essay

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Biodiversity is commonly described as the variety and diversity of life on Earth. “The number of species of plants, animals, and microorganisms, the enormous diversity of genes in these species, the different ecosystems on the planet, such as deserts, rainforests and coral reefs are all part of a biologically diverse Earth” (Shah, A. 2012). In fact, Earth is made of complex ecosystems’ interacting with each other’s, giving life to any and every species, impacting on climate, human and animals’ lives and so much more. Because biodiversity or biological diversity comprises so many things, several definitions have been made. But in the context of this report, we will use the definition that was made in 1992 by the Convention of Biological Diversity: “Biological diversity means the variability among living organisms from all sources including, inter alia, terrestrial, marine and other aquatic ecosystems and the ecological complexes of which they are part; this includes diversity within species, between species and of ecosystems.” Biological diversity is therefore, a treasure of planet Earth, making it what it is nowadays. However, for the past years, Earth has been facing a loss of its precious biodiversity. With our modern and wasting way of life we are slowly but surely damaging our support life systems, and now all the Earth living creatures have to face the dramatic consequences. “The current reduction of diversity seems destined to approach that of the great natural catastrophes at the end of the Paleozoic and Mesozoic ears – in other words, the most extreme in the past 65 million years” (Wilson, 1988). If nothing is done, the consequences for all living species will be dramatic and probably irreversible. In this report, we will...

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...ning fewer water supplies for households or agriculture. Of course, this will lead to conflicts over water but also to more water related diseases.
Social relations: Many cultures and especially indigenous cultures accord great values to nature and ecosystems and some of them are based on their surrounding environment. If some of these components are lost or damaged, it will harm social relations within these societies.

These are only some main examples of consequences of biodiversity loss. It is such a huge issue that it is quite hard to understand its impacts. Compared to climate change, the consequences of biodiversity loss are often underestimated while they are equally damaging.
  2.2.2 Ecosystem consequences
Species richness and evenness
Species composition
Species interactions
Resistance and resilience to change
Resistance to invasion


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