What are good about mangroves?

they help filter dirty water, help animals make nest and good areas to hide in. but the bad thing isthat shrimp farmers are taking 1/4 of the vegetation that mangroves live in so that's the bad stuff but mangroves are pretty good for theenviorment. If you need anymore info just go to wiki or just type in why are mangroves important. thank you and have a nice day~