( ( ( The ( population growth ) ) ( demonstrated here ) ) ( ( is ( ( ( most likely ) ( the result ) ) ( of ( ( a reduction ) ( in ( ( the number ) ( of ( ( predators , ) ( which ( definitely ( could ( be ( ( caused ( by ( ( a loss ) ( of habitat ) ) ) ) ( to ( oil ( field development ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (NN population) (NN growth)) (VP (VBN demonstrated) (ADVP (RB here)))) (VP (VBZ is) (NP (NP (ADJP (RBS most) (JJ likely)) (DT the) (NN result)) (PP (IN of) (NP (NP (DT a) (NN reduction)) (PP (IN in) (NP (NP (DT the) (NN number)) (PP (IN of) (NP (NP (NNS predators)) (, ,) (SBAR (WHNP (WDT which)) (S (ADVP (RB definitely)) (VP (MD could) (VP (VB be) (VP (VBN caused) (PP (IN by) (NP (NP (DT a) (NN loss)) (PP (IN of) (NP (NN habitat))))) (PP (TO to) (NP (NN oil) (NN field) (NN development)))))))))))))))) (. .)))
The population growth demonstrated here is most likely the result of a reduction in the number of predators, which definitely could be caused by a loss of habitat to oil field development.
(ROOT (S (NP (DT A) (JJR fewer) (NNS predators)) (VP (VBZ is) (ADJP (RBS most) (JJ likely) (S (VP (TO to) (VP (VB cause) (NP (NP (DT the) (NN number)) (PP (IN of) (NP (NP (NNS rabbits)) (VP (VBG living) (PP (IN in) (NP (DT an) (NN area))) (S (VP (TO to) (VP (VB increase))))))))))))) (. .)))
A fewer predators is most likely to cause the number of rabbits living in an area to increase.