( ( ( ( ( There ( are ( ( few threats ) ( to ( ( the ( nesting beach ) ) ( for ( ( this species ) ( in Mexico ) ) ) ) ) ) ) ) , ) but ) ( ( the ( existing threats ) ) ( are ( potentially serious ) ) ) ) . )
(ROOT (S (S (NP (EX There)) (VP (VBP are) (NP (NP (JJ few) (NNS threats)) (PP (TO to) (NP (NP (DT the) (JJ nesting) (NN beach)) (PP (IN for) (NP (NP (DT this) (NN species)) (PP (IN in) (NP (NNP Mexico)))))))))) (, ,) (CC but) (S (NP (DT the) (VBG existing) (NNS threats)) (VP (VBP are) (ADJP (RB potentially) (JJ serious)))) (. .)))
There are few threats to the nesting beach for this species in Mexico, but the existing threats are potentially serious.
(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)))) (. .)))