( ( This species ) ( ( ( ( is ( highly specialised ) ) , ) ( making ( it ( particularly ( vulnerable ( to threats ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT This) (NNS species)) (VP (VBZ is) (ADJP (RB highly) (JJ specialised))) (, ,) (VP (VBG making) (S (NP (PRP it)) (ADJP (RB particularly) (JJ vulnerable) (PP (TO to) (NP (NNS threats)))))) (. .)))
This species is highly specialised, making it particularly vulnerable to threats.
(ROOT (S (NP (NNP Overharvesting)) (VP (VBZ is) (NP (DT a) (JJ serious) (NN threat)) (ADVP (RB particularly)) (PP (TO to) (NP (JJ aquatic) (NNS species)))) (. .)))