Coastal areas like those that have hgh low density of seawater and high conc of salinity.
Explanation:
As kelp forest is considered to be an underground ecosystem that covers about 25% of the world coastlines and found in the worldwide temperate to polar environments.
Having been formed by macroalgae, these offer a unique habitat to the ecological services. Kepl refers to Maine algae hey are not formed in tropical areas as there are areas that have a high amount of sun and have higher degrees of warm and heat content.
The quality of water is also a very crucial factor that influences the growth and development of these species and the silty and saline parts of the world hinder growth and development.