( ( ( Biogeochemical ( and ( water cycles ) ) ) ( at ( the ecosystem ) ) ) ( ( scale 4 ) . ) )
(ROOT (S (NP (NP (NN Biogeochemical) (CC and) (NN water) (NNS cycles)) (PP (IN at) (NP (DT the) (NN ecosystem)))) (VP (VB scale) (NP (CD 4))) (. .)))
Biogeochemical and water cycles at the ecosystem scale 4.
(ROOT (S (NP (NP (NNP Chemical) (NNS elements)) (CC and) (NP (NN water))) (VP (VBP are) (VP (VBN recycled) (PP (IN through) (NP (DT the) (JJ biogeochemical) (NN cycle))))) (. .)))