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fig VI-3
Fig VI-3. The influence of emigration by flight on population decrease rates of an isolated population in 1977
The marked beetles were released for the first time on April 28 (A), July 5 (B) and September 14 (C, females only)
Y-ax: minimum percentage of beetles present in the population at the sample date (probit scale, see Southwood 1978)
*   = decrease rates of full-winged part the population
  • =
 decrease rates of a clip-winged part of the population

 

 

 

 

 

 

 

 

 

 

 

 

 

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