Ecosystem is basically a system made up of different kinds of living species as well as physical environment around them. For example, a farm pond having fishes and other organisms, a rain forest having plants, trees and animals and a mountain meadow having different kinds of plants and inhabitants are some typical examples of small ecosystems. Physical environment around them is also included. You can say that ecosystem is a community of living and nonliving things.
Processes followed by an ecosystem:
There are particular processes that are followed by ecosystem in a specific sequence/ pattern like birth, growth, reproduction, death and the most important is their interaction with one another and with the environment. Species which make themselves adaptive to different environmental conditions dominate while others become extinct.
Effect of pollution on an ecosystem:
In order to understand the effect of pollution on an ecosystem, you can take example of a pond, maybe somewhere near to your home. There is water and different species like fishes, plants and many other living organisms. Every system has a food chain in which every organism is in a producer and consumer relationship. From environment’s point of view, there is oxygen cycle as well as water cycle that withstand the organisms.
Sewage water can disturb many water species:
If environment gets polluted, the whole balance including food chain, water cycle and oxygen cycle will be disturbed and it will affect the organisms in different ways. Just a simple act of yours like introducing your sewage water or some toxic waste to the lake nearby your home can hover several life species as well as plants.
Waste from your home can ruin an ecosystem of a pond/lake:
Waste from your home contains oil, detergents and many toxic pollutants that can have a terrific effect on ecosystem. If water, which is home to different species, gets polluted then it can stimulate the plant growth and cause the demise of fishes due to suffocation caused by deficiency of oxygen. Moreover, this polluted water will also affect the other plants and animals dependent on it.
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