( ( THE ( OFFSHORE OCEAN ) ) ( ( ZONE ( ( ( The ( offshore ( ocean zone ) ) ) ( of California ) ) ( ( ( begins ( at ( ( a depth ) ( of ( ( about 100 ) meters ) ) ) ) ) and ) ( extends ( to ( ( the edge ) ( of ( ( the ( Exclusive ( Economic Zone ) ) ) ( -LRB- ( ( ( 200 miles ) offshore ) -RRB- ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT THE) (NNP OFFSHORE) (NNP OCEAN)) (VP (VBP ZONE) (SBAR (S (NP (NP (DT The) (JJ offshore) (NN ocean) (NN zone)) (PP (IN of) (NP (NNP California)))) (VP (VP (VBZ begins) (PP (IN at) (NP (NP (DT a) (NN depth)) (PP (IN of) (NP (QP (RB about) (CD 100)) (NNS meters)))))) (CC and) (VP (VBZ extends) (PP (TO to) (NP (NP (DT the) (NN edge)) (PP (IN of) (NP (NP (DT the) (NNP Exclusive) (NNP Economic) (NNP Zone)) (PRN (-LRB- -LRB-) (ADJP (NP (CD 200) (NNS miles)) (JJ offshore)) (-RRB- -RRB-))))))))))) (. .)))
THE OFFSHORE OCEAN ZONE The offshore ocean zone of California begins at a depth of about 100 meters and extends to the edge of the Exclusive Economic Zone (200 miles offshore).
(ROOT (S (NP (DT The) (JJ photic) (NN zone)) (VP (VBZ extends) (ADJP (NP (CD 200) (NNS meters)) (JJ deep))) (. .)))
The photic zone extends 200 meters deep.