@base . a ; "1432-9840" ; . a . a ; ; "20040609190600.0"^^ ; ; . a , , ; , , ; "Ecosystems." ; ; ; ; "1432-9840" ; ; ; "1432-9840" ; ; "1432-9840" ; "Ecosystems." , "Ecosystems (New York. Print)" ; . . "United States" . a , ; "Ecosystems (New York. Print)" . a ; "1432-9840" ; . a ; .