The aim of managing at F 0.1 is to assist both conservation and profitable fishing. Gillnets can be set at different depths and are anchored to the seabed. Maximum Sustainable Yield largest average catch that can continuously be taken from a stock.
Different fisheries have different minimum mesh size regulation.
Daily increments are visible as well on larval otoliths. Precautionary Approach set of agreed cost-effective measures and actions, including future courses of action, which ensures prudent foresight, reduces or avoids risk to the resource, the environment, and the people, to the extent possible, taking explicitly into account existing uncertainties and the potential consequences of being wrong. Total Allowable Catch total tonnage of a species allowed to be caught from a particular stock in a given time period. Bottom trawls are towed along the ocean floor to catch species such as groundfish. Mid-water trawls are towed within the water column.