( ( ( Continued exploitation ) ( at ( such levels ) ) ) ( ( is ( leading ( to ( ( ( ( ( ( changes ( in ( species composition ) ) ) , ) ( loss ( of ( biodiversity ( -LRB- ( 66 -RRB- ) ) ) ) ) ) , ) and ) ( shifts ( in ( ( dominance ( and ( survival ability ) ) ) ( -LRB- ( 67 -RRB- ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (VBN Continued) (NN exploitation)) (PP (IN at) (NP (JJ such) (NNS levels)))) (VP (VBZ is) (VP (VBG leading) (PP (TO to) (NP (NP (NP (NNS changes)) (PP (IN in) (NP (NN species) (NN composition)))) (, ,) (NP (NP (NN loss)) (PP (IN of) (NP (NP (NN biodiversity)) (PRN (-LRB- -LRB-) (NP (CD 66)) (-RRB- -RRB-))))) (, ,) (CC and) (NP (NP (NNS shifts)) (PP (IN in) (NP (NP (NN dominance) (CC and) (NN survival) (NN ability)) (PRN (-LRB- -LRB-) (NP (CD 67)) (-RRB- -RRB-))))))))) (. .)))
Continued exploitation at such levels is leading to changes in species composition, loss of biodiversity (66) , and shifts in dominance and survival ability (67) .
(ROOT (S (NP (NNP Biodiversity)) (VP (VBZ helps) (VP (VB ensure) (SBAR (WHNP (WDT that)) (PRN (, ,) (ADVP (IN at) (JJS least)) (, ,)) (S (NP (DT some) (NNS species)) (VP (MD will) (VP (VB survive) (NP (JJ environmental) (NN change)))))))) (. .)))