( ( ( ( ( Leaf demography ) , ) ( by ( determining ( ( the amount ) ( of ( ( live ( leaf area ) ) ( per tiller ) ) ) ) ) ) ) , ) ( ( ( influences ( both ( ( ( ( the ( potential ( photosynthetic capacity ) ) ) ( of ( the tiller ) ) ) and ) ( ( the amount ) ( of ( ( leaf biomass ) ( available ( for consumption ) ) ) ) ) ) ) ) ( by herbivores ) ) . ) )
(ROOT (S (NP (NP (JJ Leaf) (NN demography)) (, ,) (PP (IN by) (S (VP (VBG determining) (NP (NP (DT the) (NN amount)) (PP (IN of) (NP (NP (JJ live) (NN leaf) (NN area)) (PP (IN per) (NP (NN tiller))))))))) (, ,)) (VP (VBZ influences) (NP (PDT both) (NP (NP (DT the) (JJ potential) (JJ photosynthetic) (NN capacity)) (PP (IN of) (NP (DT the) (NN tiller)))) (CC and) (NP (NP (DT the) (NN amount)) (PP (IN of) (NP (NP (NN leaf) (NNS biomass)) (ADJP (JJ available) (PP (IN for) (NP (NN consumption)))))))) (PP (IN by) (NP (NNS herbivores)))) (. .)))
Leaf demography, by determining the amount of live leaf area per tiller, influences both the potential photosynthetic capacity of the tiller and the amount of leaf biomass available for consumption by herbivores.
(ROOT (S (NP (NP (DT The) (NN amount)) (PP (IN of) (NP (NP (NN food)) (ADJP (JJ available) (PP (IN in) (NP (DT the) (NN area))))))) (ADVP (RB best)) (VP (VBZ determines) (NP (NP (DT the) (NN number)) (PP (IN of) (NP (NP (NNS wolves)) (SBAR (WHNP (WDT that)) (S (VP (MD can) (VP (VB live) (PP (IN in) (NP (DT an) (NN area))))))))))) (. .)))