Answer:
Mangroves
Mangroves are defined as assemblages of salt tolerant trees and shrubs that grow in the intertidal regions of the tropical and subtropical coastlines. They grow luxuriantly in the places where freshwater mixes with seawater and where sediment is composed of accumulated deposits of mud.
loose fragments of rocks and minerals are refereed to as sediments
Desert and Rainforest, I believe this could the right answer
