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type of trap
The test of independence indicates that the sex ratio in the catches is independent of the type of trap, but dependent on the population.
      
Small traps were most efficient in catching small species, whereas large traps caught relatively more large beetles.4.The capture efficiency of each type of trap was tested in the laboratory, using six species of Carabidae.
      
To date, however, there is only one type of trap on the market in the U.K.
      
The former type of trap deployed over long exposure periods is therefore recommended as providing the best estimate of net downward particle flux in lakes such as Lough Neagh.
      
The degree of undercollection depends on the flow velocity, the type of trap, the height: diameter (aspect) ratio of the trap, and the type of sediment.
      
Annealing temperatures, implant fluence, and the presence of a surface amorphous layer contribute to the type of trap observed.
      
Waukesha County elected not to use this type of trap.
      
 

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