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Table VII-2. Decrease rates of marked beetles per week in four periods in 1978
Q =1 - DR (DR = decrease rate (cf Fig VII-3) in interconnected pools)
r = rank number
Qm, Qf =mean survival chance of males or females in isolated pools in 1974 - 1977
i.p. =isolated pools
Qm - Q, Qf - Q =mean emigration rates estimated in Table VII-3
See text for explanation.

NR PERIOD I II III IV MEAN
PERIOD 29.4 - 6.6 19.6 - 27.7 1.8 - 15.9 15.9 - 30.10  
Pool Q r Q r Q r Q r Q r
Wn 0.7687 18 0.5894 8 0.8340 22 0.7164 13 0.7271 15.25
Wz 0.7024 12 0.4995 5 0.7308 16 0.5874 7 0.6300 10.00
Br 0.4865 4 0.6334 10 0.7998 21 0.5402 6 0.6150 10.25
Me 0.3164 1 0.6914 11 0.8414 23 0.7891 20 0.6595 13.75
Bb 0.7257 15 0.8804 24 0.7883 19 - - 0.7981 19.33
Sc 0.4830 3 0.6242 9 - - - - 0.5536 6.00
Kw 0.4747 2 - - - - - - 0.4747 2.00
Kr - - - - 0.7535 17 - - 0.7535 17.00
Bn - - - - 0.7219 14 - - 0.7219 14.00
MEAN Q

0.5653 7.86 0.6531 11.17 0.7814 18.86 0.6583 11.50 0.6658 12.50
Qm(i.p.) 0.9056   0.8872   0.8687   0.7836      
Qf(i.p.) 0.8912   0.8763   0.8613   0.7701      
Qm - Q 0.3403   0.2341   0.0966   0.1253      
Qf - Q 0.3259   0.2232   0.0799   0.1118      
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