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Comparison of Two Sampling Methods for Estimating Zooplankton Densities in Fish Culture Ponds
Report discussing results of a study comparing selected zooplankton population densities estimated by pooling samples - from five locations in saltwater fish culture ponds with one sample collected from a single pond location.
Date:
January 1986
Creator:
Colura, Robert L. & Matlock, Gary C.
System:
The Portal to Texas History
A Comparison of Trotline Catches on Two Hook Types in the Laguna Madre
Abstract: Circle hooks caught 3.3 times more fish of each species than straight-shank hooks. The proportion of each species caught on circle and straight-shank hooks was similar. Circle hooks caught smaller (younger) red drum and black drum than did straight-shank hooks. Because the circle hooks catch more red drum and back drum, the potential for mortality by hooking fish in locations other than in the lip is as great for circle hooks as it is for straight-shank hooks.
Date:
January 1986
Creator:
McEachron, Lawrence W.; Green, Albert W.; Matlock, Gary C. & Saul, G. E. (Gary Earl), 1949-
System:
The Portal to Texas History