biological reference points
- biological reference points
-
Indicators or signposts against which the status of a
stock can be judged. Two types are often used: based on
fishing mortality and based on the sustainability of
recruitment. Reference points can be either desirable targets (target reference points) or minimum biologically acceptable limits (limit reference points).
Fisheries — dictionary.
Aardward.
2004.
Look at other dictionaries:
biological reference point — a fishing mortality rate or biomass that may provide acceptable protection against growth overfishing and/or recruitment overfishing for a particular stock. It is usually calculated from equilibrium yield per recruit curves, spawning stock… … Dictionary of ichthyology
management reference points — conventional (agreed values) of indicators of the desirable or undesirable state of a fishery resource of the fishery itself. Reference points could be biological, e.g. expressed in spawning biomass or fishing mortality levels, technical (fishing … Dictionary of ichthyology
Hellenistic biological sciences — R.J.Kankinson The five centuries that separate Aristotle’s death in 322 BC from Galen’s ascendancy in Rome in the latter part of the second century AD were fertile ones for the biological sciences, in particular medicine. Nor is the period solely … History of philosophy
Gulf menhaden — Taxobox | name = Gulf Menhaden image width = 240px image caption = Gulf Menhaden ( Brevoortia patronus ), captured in Galveston Bay, TX regnum = Animalia phylum = Chordata classis = Actinopterygii ordo = Clupeiformes familia = Clupeidae genus =… … Wikipedia
Striped bass — Striper redirects here. For other uses, see Stripe (disambiguation). Striped bass Striped bass Scientific classification Kingdom … Wikipedia
Orangespotted trevally — Scientific classification Kingdom: Animalia Phylum … Wikipedia
geology — /jee ol euh jee/, n., pl. geologies. 1. the science that deals with the dynamics and physical history of the earth, the rocks of which it is composed, and the physical, chemical, and biological changes that the earth has undergone or is… … Universalium
Glossary of ancient Roman religion — This is an incomplete list, which may never be able to satisfy particular standards for completeness. You can help by expanding it with reliably sourced entries. Ancient Roman religion … Wikipedia
language — /lang gwij/, n. 1. a body of words and the systems for their use common to a people who are of the same community or nation, the same geographical area, or the same cultural tradition: the two languages of Belgium; a Bantu language; the French… … Universalium
lake — lake1 /layk/, n. 1. a body of fresh or salt water of considerable size, surrounded by land. 2. any similar body or pool of other liquid, as oil. 3. (go) jump in the lake, (used as an exclamation of dismissal or impatience.) [bef. 1000; ME lak(e) … Universalium