Publication Abstract

Marine ecosystem management : fish abundance and size under exploitation

Marine ecosystem management : fish abundance and size under exploitation

J. Horwood

This study is targeted at policy makers and environmental scientists to illustrate the typical historical scale of depletion of our fish stocks, and what current and emerging legislation might mean for fisheries management and the metrics of fish stocks. The population demography of the Bristol Channel sole is described from 1820. Its decline in abundance, and change in length compostions, are modelled. By 2000 the mature stock had been depleted to less than 5% of its original size, and larger sole were rarely caught. The implications of Maximum Sustainable Yield targets, and of Good Environmental Status, are examined.

Reference:

J. Horwood (2011) Marine ecosystem management : fish abundance and size under exploitation. Marine Policy 34 (6) 1203-1206

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J. Horwood*

Marine Policy 34 (6) 1203-1206