What are the most important ecological services whose value canno… - Vidyadip

Question

What are the most important ecological services whose value cannot be determined?

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Answer

$(1)$ The main ecological services are fixation of atmospheric $CO_2$ and release of $O_2$ are the most important services provided by an ecosystem.
$(2)$ Photosynthetic activity of photoautotrophs helps in carbon sequestration in the form of $CO_2$ from the atmosphere. At the same time it releases $O_2$ as a by$-$product.
$(3)$ $O_2$ is needed for respiration by all aerobic organisms. Oxygen also purifies air.
$(4)$ For human consumption, crops and fruits are continuously required. These can be produced only after pollination of plants. Wind, water or other biotic agent such as insects therefore play an important role as ecosystem service. Without pollination there would be no crops and no fruits.

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