What is 'Algal bloom'?

Correct the statements of each bit, if necessary,by changing the underlined words only: Excessive nourishment that causes algal bloom is known as biomagnification.

The given graphs shows the productivity of an aquatic ecosystem measured in terms of dissolved oxygen produced and consumed by green plants and photosynthetic algae where PS=photosynthesis and R=respiration. What will happen during algal bloom? 1. PS will be increase, R will be decreased 2. PS will be decreased, R will be increased. 3. PS and R will not change. 4. PS+R will increase.

Write short note on algal bloom.

What do you mean the term algal bloom and red tides?

How does algal bloom cause eutrophication of water body?

Increased algal bloom in pond and lake due to excess of nutrients is a phenomenon called biological magnification.