( ( ( The ( western side ) ) ( of ( the island ) ) ) ( ( is ( ( ( free ( of mangroves ) ) and ) ( dominated ( by ( ( low ( energy beaches ) ) ( fronted ( by ( wide ( sand flats ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (JJ western) (NN side)) (PP (IN of) (NP (DT the) (NN island)))) (VP (VBZ is) (VP (VP (JJ free) (PP (IN of) (NP (NNS mangroves)))) (CC and) (VP (VBN dominated) (PP (IN by) (NP (NP (JJ low) (NN energy) (NNS beaches)) (VP (VBN fronted) (PP (IN by) (NP (JJ wide) (NN sand) (NNS flats))))))))) (. .)))
The western side of the island is free of mangroves and dominated by low energy beaches fronted by wide sand flats.
(ROOT (S (NP (NNP Low) (NN energy)) (VP (VBZ causes) (S (NP (NNS waves)) (VP (TO to) (VP (VB bring) (NP (NN sand)) (PRT (RP up)) (PP (IN onto) (NP (NP (DT the) (NN beach)) (PP (IN during) (NP (NNS summers))))))))) (. .)))