Every ecosystem needs to maintain balance between the species connected in the food chain in order to be productive. Productive ecosystem is also a healthy ecosystem. To ensure the health of any given ecosystem all three categories of organisms must play their role in the food chain. These three categories of organisms are: producers, composers, and last but not least decomposers. Producers are mostly plants, capable of photosynthesis, consumers mostly animals, and of course humans, and decomposers bacterias and mushrooms that degrade all organic matter which is very important in order to restore the minerals in the environment.
Any given ecosystem on Earth in order to function perfectly must obey two main rules- number of species and type of species. In order for any ecosystem to maintain its perfect balance number of organisms must remain pretty much constant which can only be done without the introduction of new species.
Not all ecosystems are equal, some ecosystems are very sensitive, even significantly reacting to the smallest changes while others can't be much affected with some small changes. There are also ecosystems rich with biodiversity (forest ecosystems, ocean ecosystems) , and the ones with very sparse biodiversity (desert ecosystems, tundra ecosystems).
The richer with biodiversity the more productive ecosystems are, so it is really crucial to preserve ecosystems rich with biodiversity. Unfortunately these ecosystems are mostly affected with so many different ecological problems, mainly deforestation, global warming and climate change. Human activities across the world is particularly hurting forest ecosystems where many areas rich with biodiversity fall down in order to get more land for farm (deforestation). Global warming and climate change are global threat to us all, and many different ecosystems can cope with the fast changes climate change is bringing, resulting in extinction of many different plants and animals, and many species on the edge of the extinction.
Ecosystems all around the world are losing their productivity, and if this trend continues we will very soon discover that we are not the masters of Earth, only one small piece in the circle in life. Do we really have to wait for this to happen?
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