length-frequency distribution
(modal size)
The number of individuals of a catch or catch sample in each length interval (\'modal size\' is the length group in which most individuals occur). Some distributions may show several modes, reflecting fish of different ages.

Fisheries — dictionary. . 2004.

Look at other dictionaries:

  • length-frequency distribution — the number of individuals encountered in each length interval …   Dictionary of ichthyology

  • size frequency distribution — length frequency distribution (the number of individuals encountered in each length interval) …   Dictionary of ichthyology

  • Frequency — For other uses, see Frequency (disambiguation). Three cyclically flashing lights, from lowest frequency (top) to highest frequency (bottom). f is the frequency in hertz (Hz), meaning the number of cycles per second. T is the period in seconds (s) …   Wikipedia

  • Frequency (statistics) — In statistics the frequency of an event i is the number ni of times the event occurred in the experiment or the study. These frequencies are often graphically represented in histograms. We speak of absolute frequencies, when the counts ni… …   Wikipedia

  • Frequency spectrum — Familiar concepts associated with a frequency are colors, musical notes, radio/TV channels, and even the regular rotation of the earth. A source of light can have many colors mixed together and in different amounts (intensities). A rainbow, or… …   Wikipedia

  • Frequency (producer) — Frequency Background information Birth name Bryan Fryzel Born January 4, 1983 …   Wikipedia

  • size-frequency — See length frequency distribution …   Fisheries — dictionary

  • Time-frequency analysis — is a body of techniques for characterizing and manipulating signals whose component frequencies vary in time, such as transient signals.Whereas the technique of the Fourier transform can be used to obtain the frequency spectrum of a signal whose… …   Wikipedia

  • Cumulative frequency analysis — is the applcation of estimation theory to exceedance probability (or equivalently to its complement). The complement, the non exceedance probability concerns the frequency of occurrence of values of a phenomenon staying below a reference value.… …   Wikipedia

  • Letter frequency — The frequency of letters in text has often been studied for use in cryptography, and frequency analysis in particular. No exact letter frequency distribution underlies a given language, since all writers write slightly differently. Linotype… …   Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”