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Use of daily otolith rings to interpret development of length distributions of young largemouth bass
Isely, J.J.; Noble, R.L. (1987). Use of daily otolith rings to interpret development of length distributions of young largemouth bass, in: Summerfelt, R.C. et al. (Ed.) Age and growth of fish. pp. 475-481
In: Summerfelt, R.C.; Hall, G.E. (Ed.) (1987). Age and growth of fish. Iowa State University Press: Ames. ISBN 0-8138-0733-6. , more

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Keywords
    Growth; Otolith reading; Population functions; Size distribution; Spawning seasons; Micropterus salmoides (Lacepède, 1802) [WoRMS]; ASW, USA, Texas [Marine Regions]; Fresh water

Authors  Top 
  • Isely, J.J.
  • Noble, R.L.

Abstract
    The length distributions of seven populations of largemouth bass Micropterus salmoides in small impoundments in Texas were investigated through the use of daily otolith rings. Daily rings were recognizable by microscopic observation as long as growth continued, up to 184 days in one population. The difference in age between the oldest and youngest fish within a sample, reflecting the length of the spawning period, ranged from 15-68 days. Comparison of samples of fish of similar mean ages indicated that those populations with short spawning periods subsequently exhibited less variation in total lengths than populations with longer spawning periods. Length distributions were typically characterized by a significant correlation between length and age.

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