Distribution and Abundance of Young-of-the-Year Striped Bass, Morone saxatilis, in Relation to River Flow in the Sacramento-San Joaquin Estuary

Abstract
Annual distribution and abundance of young‐of‐the‐year striped bass were measured from 1959 to 1970 in the Sacramento‐San Joaquin estuary. Annual abundance of young bass in late summer was closely related to the amount of river flow in June‐July into the estuary (r = 0.89). Highly significant correlations existed between striped bass abundance and salinity and water diverted from the estuary, both of which were mutually related to the amount of river flow. Six mechanisms which may control these relationships are discussed. Annual striped bass distribution in the estuary was also related to river flow (r = ‐0.93) and salinity (r = 0.88) with bass being farther upstream in years of low runoff and high salinity.

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