TY - BOOK AU - Dobson, Michael AU - Frid, Chris TI - Ecology of aquatic systems SN - 9780199297542 SN - 200803648 U1 - 577.6 DOB PY - 2009/// CY - Oxford PB - Oxford University Press KW - Aquatic resources KW - Fishery resources N1 - Includes bibliographical references (p. [291]-301) and indexes ER -