Why is it difficult to get rid of water hyacinth from a water body? Name one biotic and abiotic component that gets affected by its spread in the water body.

Water hyacinth grows by vegetative reproduction rapidly. It is difficult to get it out since it grows at a tremendous rate like any other weed and covers a large area in small interval of time. so even a small piece of it is left, it will start to grow vegetatively into a new colony of hyacinths. They reduce the oxygen content of water body that causes death of fishes and other aquatic organisms.
Biotic component -- Fishes
Abiotic component -- oxygen

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biotic-fishes abiotic - air

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