( Anoxia ( ( is ( ( ( the result ) ( of ( ( the ( metabolic consumption ) ) ( of ( oxygen ( in ( ( aphotic ( bottom waters ) ) ( of ( lakes ( , ( estuaries ( , ( and oceans ) ) ) ) ) ) ) ) ) ) ) ) ) ( in ( excess ( of ( ( the oxygen ) ( provided ( by ( physical circulation ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Anoxia)) (VP (VBZ is) (NP (NP (DT the) (NN result)) (PP (IN of) (NP (NP (DT the) (JJ metabolic) (NN consumption)) (PP (IN of) (NP (NP (NN oxygen)) (PP (IN in) (NP (NP (JJ aphotic) (JJ bottom) (NNS waters)) (PP (IN of) (NP (NNS lakes) (, ,) (NNS estuaries) (, ,) (CC and) (NNS oceans))))))))) (PP (IN in) (NP (NP (NN excess)) (PP (IN of) (NP (NP (DT the) (NN oxygen)) (VP (VBN provided) (PP (IN by) (NP (JJ physical) (NN circulation)))))))))) (. .)))
Anoxia is the result of the metabolic consumption of oxygen in aphotic bottom waters of lakes, estuaries, and oceans in excess of the oxygen provided by physical circulation.
(ROOT (S (NP (PRP You)) (VP (VBP call) (NP (NP (DT the) (JJ lightless) (NN part)) (PP (IN of) (NP (DT the) (NN ocean) (JJ aphotic) (NN zone))))) (. .)))