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| Table VII-12. | Comparison of population size with some dispersal parameters. The subpopulations are classified per period according to their size (cf. Fig VII-3). Given are the mean values and between brackets the variation coefficients. |
| classes= | class 1: > 129 beetles observed; class 2: 75 - 129 beetles observed; class 3: 36 - 74 beetles observed; class 4: 5 - 35 beetles observed; class 5: < 4 individuals observed |
| E = | emigration rate (cf. Table VII-4) |
| Ex = | net exchange rate (see Table VII-6) |
| Db = | dispersal ratio (Table VII-4) |
| Efn = | proportional contribution of emigrants to the total number of emigrants |
| Ifn = | proportional distribution of immigrants |
| I% = | % immigrants per subpopulation after about 3 weeks (Table VII-11) |
| xx | : choices in both groups opposite to each other. |
| SIZE- CLASS | 1 | 2 | 3 | 4 | 5 | KRUSKALL-WALLIS TEST | ||
|---|---|---|---|---|---|---|---|---|
| POPULA- TIONS | Me-1 Br-3 Me-4 Br-4 Wz-4 | Wn-1 Bb-1 Wz-1 Bb-2 Me-2 Wn-3 Bb-3 Me-3 Kr-3 Sc-3 | Br-1 Sc-1 Kw-1 Bn-1 Wz-2 Bn-2 Bn-3 Wn-4 Bb-4 Kr-4 | Kr-1 Wn-2 Br-2 Sc-2 Wz-3 Sc-3 Bn-4 | Kr-2 Kw-2 Kw-3 Kw-4 | H | z | P |
| E | 0.27 (0.77) | 0.16 (0.39) | 0.40 (0.36) | 0.40 (0.41) | - | 9.46 | 2.11 | <0.05 |
| Ex | 0.04 (5.05) | 0.04 (2.79) | 0.12 (1.85) | 0.23 (1.83) | - | 1.16 | 0.72 | >0.40 |
| Db | 1.33 (1.15) | 0.76 (0.95) | 0.65 (0.80) | 0.70 (1.05) | - | 0.59 | 1.15 | >0.20 |
| Efn | 3.81 (0.38) | 3.56 (0.48) | 5.04 (0.31) | 4.67 (0.45) | - | 3.52 | 0.42 | >0.60 |
| Ifn | 23.14 (0.41) | 11.19 (0.78) | 11.45 (0.95) | 7.87 (0.99) | 0.71 (1.15) | 12.54 | 2.36 | <0.02 1 |
| I% | 56.60 (0.22) | 36.56 (0.60) | 58.75 (0.28) | 53.55 (0.76) | - | 4.51 | 0.77 | >0.40 |
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