Table 1 Sample size, study year, month (roman numerals) and sex ratio of common voles captured near Potsdam, Germany
From: Seasonal variation in the behaviour of a short-lived rodent
Month | Sum | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
I | II | III | VI | V | VI | VII | VIII | IX | X | XI | XII | |||
year | 2010 | - | - | - | 11 | 15 | 9 | 38 | 39 | 67 | 19 | - | - | 198 |
2011 | - | 5 | 9 | 0 | 5 | 26 | 5 | - | 19 | - | - | - | 69 | |
2012 | - | - | - | - | - | - | 94 | 54 | 10 | 3 | 52 | 0 | 213 | |
2013 | 2 | 10 | - | - | - | - | - | - | - | - | - | - | 12 | |
sum | 2 | 15 | 9 | 11 | 20 | 35 | 137 | 93 | 96 | 22 | 52 | 0 | 492 | |
male/female ratio | - | 1.3 | 0.5 | 0.6 | 1.5 | 0.7 | 0.5 | 0.5 | 1.3 | 0.6 | 1 | - | 0.7 | |
season (n) | winter (17) | spring (40) | summer (265) | autumn (170) | winter | |||||||||
cohorts expected | middle aged OW | old OW | old OW + young YY | old YY + very young OW | ||||||||||