A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Term	Meanings
Bag Limit	Restriction on the number of a particular fish that a fisher may keep in one day.
Baseline	The baseline for measuring the breadth of the territorial sea is the low-water line along the coast as marked on large scale charts officially recognised by Australia, except where the coastline is indented or a fringe of islands is in its immediate vicinity, in which case the method of straight baselines joining appropriate points is employed (refer to the Seas and Submerged Lands Act1973 for Australia's baseline).
Bathymetry	Refers to water depths or sea bed contours.
Beche de mer	Smoked or dried sea cucumber
Benthic	Associated with the bottom of a water body such as a sea or lake.
Biomass	The estimated combined weight of a fish stock (spawning biomass = weight of all mature animals).
BRD	Bycatch Reduction Device
Breeding stock/brood stock	Number of mature animals available to reproduce.
BRS	Bureau of Rural Science
Buy-back of fishing units	The purchase of fishing boats and licences back from the commercial fishers who ‘own' them, either by government or other parties such as recreational fishers, in order to reduce or reallocate fishing effort.
Bycatch	Bycatch refers to all non-targeted catch, including discards and anything killed as a result of gear interaction. Note that in some cases bycatch can also include by-product.
Bycatch reduction devices	Any device or modification to a trawl net designed to reduce the amount of bycatch.
By-product/incidental catch	Catch that is retained, although it is not the target catch.

Derived from: Department of Fisheries publications; Fishery Status Reports. Resource Assessments of Australian Commonwealth Fisheries. 1998. Bureau of Resource Sciences, Department of Primary Industries and Energy, Canberra ACT; and Henderson's Dictionary of Biological Terms, published by Longman Scientific and Technical Press, 1989 (10th edition).