An artificial mangrove assembly, including: a mounting assembly for attachment to a surface at least partially submerged in a body of water； and respective pluralities of first and second root elements. Each first root element is fixedly secured to the mounting assembly at a respective first connection point, extends downward in a first direction from the respective first connection point, and includes a respective first distal end arranged to contact a bottom of the body of water. Each second root element is fixedly secured to a respective first root element at a respective second connection point and includes: a respective first portion extending downward in the first direction with respect to the respective second connection point； a respective second portion extending outward with respect to the respective second connection point in the second direction； and a respective second distal end arranged to contact the bottom of the body of water.
