( ( ( ( ( ( As ( ( ( the ( water content ) ) ( in leaves ) ) decreases ) ) ( , ( leaves ( wilt ( slowing ( ( the rate ) ( of ( water loss ) ) ) ) ) ) ) ) , ) but ) ( this ( causes ( ( leaf temperatures ) ( to ( increase ( because ( of ( reduced ( evaporative cooling ) ) ) ) ) ) ) ) ) ) . )
(ROOT (S (S (SBAR (IN As) (S (NP (NP (DT the) (NN water) (NN content)) (PP (IN in) (NP (NNS leaves)))) (VP (VBZ decreases)))) (, ,) (NP (NNS leaves)) (VP (MD wilt) (S (VP (VBG slowing) (NP (NP (DT the) (NN rate)) (PP (IN of) (NP (NN water) (NN loss)))))))) (, ,) (CC but) (S (NP (DT this)) (VP (VBZ causes) (S (NP (NN leaf) (NNS temperatures)) (VP (TO to) (VP (VB increase) (PP (RB because) (IN of) (NP (VBN reduced) (NN evaporative) (NN cooling)))))))) (. .)))
As the water content in leaves decreases, leaves wilt slowing the rate of water loss, but this causes leaf temperatures to increase because of reduced evaporative cooling.
(ROOT (S (PP (IN As) (NP (NP (DT the) (NN temperature)) (PP (IN of) (NP (NN water) (NNS decreases))))) (, ,) (NP (DT the) (NN water) (NNS molecules)) (VP (VB slow) (PRT (RP down))) (. .)))