( There ( ( is ( ( a ( direct correlation ) ) ( between ( ( the ( flow rate ) ) ( of ( ( ( water ( in ( a ( riparian area ) ) ) ) and ) ( ( the amount ) ( of ( biodiversity ( and ( species abundance ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (EX There)) (VP (VBZ is) (NP (NP (DT a) (JJ direct) (NN correlation)) (PP (IN between) (NP (NP (DT the) (NN flow) (NN rate)) (PP (IN of) (NP (NP (NP (NN water)) (PP (IN in) (NP (DT a) (NN riparian) (NN area)))) (CC and) (NP (NP (DT the) (NN amount)) (PP (IN of) (NP (NN biodiversity) (CC and) (NN species) (NN abundance)))))))))) (. .)))
There is a direct correlation between the flow rate of water in a riparian area and the amount of biodiversity and species abundance.
(ROOT (S (NP (NNP Biodiversity)) (VP (VBZ is) (NP (NP (DT a) (NN measurement)) (PP (IN of) (NP (NP (DT the) (NN amount)) (PP (IN of) (NP (NP (NN variation)) (PP (IN of) (NP (NP (DT the) (NN species)) (PP (IN in) (NP (DT a) (VBN given) (NN area))))))))))) (. .)))