The water transparency is always higher and people like that because fish are mainly visual predators and part of the joy of fishing is being able to see what you are fishing for or watch a fish chase your lure, chase your bait. Seagrasses also trap and conserve nutrients that are essential to other marine organisms, Dunton says. They internalize nutrient cycling. Instead of being washed out of the system, nutrients important to productivity systems are taken up by seagrasses in their roots and leaves so those nutrients don't leave the system very easily. We have a reservoir for nutrients that otherwise would be flushed right out of that system.
Seagrasses also serve as secondary sources for a variety of marine organisms.
What turns into dead, decaying matter is ultimately consumed in the food web and becomes a very important part of the marine system. What we call the scavenger-based food web is the basis of the shrimp industry. Another important role of submerged grasses i s to provide habitat for gamefish, forage fish and crustaceans, Dunton says. The habitat issue is important not only for adult organisms but particularly for the larval forms of fish, shrimp and crabs. Seagrasses also provide a substrata for a lot of other organisms that are important as food sources to larval fish and crabs.