Preserving biodiversity in the environment helps protect it from degradation and in some cases total collapse. Environments without strong biodiversity are at risk of being taken over by invasive species, making them unsustainable. Environments wiht weak biodiversity are also at risk of not having enough resilience to recover from disasters, either natural or man made.
The extinction of different species can lead to a decay in our biodiversity. That is harmful in many sense since different species plays a different integral role in regulating the environment. Species can serve their role being part of a food chain or helping trees grow. An example are the Coral Reef, which are endangered due to our human food demands. Coral reefs help regulate the Ocean’s temperature. With less coral reefs in the oceans, the ocean gets warmer, which leads to the north pole melting, and thus can potentially lead to flood. This is just one extreme example.
Specifically, slowing down the loss of bees can help the environment, as many plants depend on these pollinators for reproduction. Without bees, many plants could face extinction. As the building blocks of the environment, high losses in plant life can be catastrophic on a large scale, affecting the carbon cycle, soil erosion, and other animals and plant life, etc.
The reduction of species populations is both natural and a consequence of human encroachment and damage to ecosystems. Certainly, it would be impractical to assume all species will thrive and adapt eternally; however, with the introduction of invasive species, the environment as a singular entity is threatened. For instance, the Nile Perch in Lake Victoria are not native species and alter the hierarchy of predators, as well as adversely impacting the economy of nearby villages (that depend on smaller, and vulnerable, cichlids for trade). So many species play key roles – whether we’re aware of them or not – and protecting those who are at risk of extinction is an action necessary to stabilize fragile ecosystems.
Every species has some purposes to fulfill. Some species are predators and keep down the excessive growth of another species thereby maintaining the balance. If such predators go extinct, the tendency of their preys growing out of control becomes realistic and the system might be in danger. At the same time if the predators grow in such number that they outnumber their preys, their preys will be endangered too. So the best way of maintaining the ecobalance is not to allow any species go into extinction.
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