size selectivity

size selectivity
the way fishing gear selects fish by size, usually allowing the small fish to escape and grow to be caught later at a marketable size

Dictionary of ichthyology. 2009.

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  • size selectivity — The ability of a porous catalyst to discriminate against certain kinds of reactant molecules based on molecular size …   Petroleum refining glossary

  • size selection — size selectivity …   Dictionary of ichthyology

  • selectivity — the ability of gear to catch a certain kind (species selectivity) or size (size selectivity) of fish compared to its ability to catch other kinds. May allow young and non target species to escape …   Dictionary of ichthyology

  • selectivity — se·lec·tiv·i·ty sə .lek tiv ət ē, .sē n, pl ties the quality, state, or degree of being selective <porous materials...fixed in both pore size and selectivity (Elizabeth Wilson)> * * * se·lec·tiv·i·ty (sə lek tivґĭ te) in… …   Medical dictionary

  • selectivity curve — escapement curve (the relationship between size (or age) and the probability of a fish escaping from the gear after having encountered it, e.g. swimming through the mesh of a net, the sorting grid of a trawl, or the escape gate of a trap) …   Dictionary of ichthyology

  • Trawling — is a method of fishing that involves pulling a large fishing net through the water behind one or more boats. The net that is used for trawling is called a trawl.The boats that are used for trawling are called trawlers. Trawlers vary in size; from …   Wikipedia

  • cell — cell1 cell like, adj. /sel/, n. 1. a small room, as in a convent or prison. 2. any of various small compartments or bounded areas forming part of a whole. 3. a small group acting as a unit within a larger organization: a local cell of the… …   Universalium

  • Bycatch — are species caught in a fishery while it is intended to catch another species or reproductively immature juveniles of the target species. The OECD (1997) defines bycatch as total fishing mortality excluding that accounted directly by the retained …   Wikipedia

  • Metal-organic framework — Metal Organic Frameworks are crystalline compounds consisting of metal ions or clusters coordinated to often rigid organic molecules to form one , two , or three dimensional structures that can be porous. In some cases, the pores are stable to… …   Wikipedia

  • Christopher Newport University — For the English sailor, see Christopher Newport. Christopher Newport University Type Public university President Paul S. Trible, Jr …   Wikipedia

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