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The ecology and life history The ecology and life history of the common frog (Rana temporaria temporaria) ecologylifehisto00sava Year: 1962 6 12 HOURS Fig. 34. The Weather at Eskdalemuir in 1930 and 1931 for 24-hour periods Period extends from 18 hours on the night before spawn was recorded (when it would probably be laid) and for the day itself, when it might perhaps have been laid, up to 18 hrs. 1930 was wet, heavy rain falling from 01 hrs to HOG hrs. The temperature was fairly warm for Eskdalemuir, which is high in the hills in South Scotland. In 1931, there was a contrast. No rain fell, a
The ecology and life history The ecology and life history of the common frog (Rana temporaria temporaria) ecologylifehisto00sava Year: 1962 6 12 HOURS Fig. 34. The Weather at Eskdalemuir in 1930 and 1931 for 24-hour periods Period extends from 18 hours on the night before spawn was recorded (when it would probably be laid) and for the day itself, when it might perhaps have been laid, up to 18 hrs. 1930 was wet, heavy rain falling from 01 hrs to HOG hrs. The temperature was fairly warm for Eskdalemuir, which is high in the hills in South Scotland. In 1931, there was a contrast. No rain fell, and there was a frost all night from hrs to hrs. it would be critical for a nocturnal animal, which, when it was active, would always fmd humidity near to the maximum possible. After these informal and cursory examinations of the data, the next step is to see whether statistical examination supports the conclusions. For temperature, there were no comphcations—no significant re- lations were found, as can be seen in detail in the considerations set out in Chapter 10, Appendix i h. There was a slight non-significant effect suggesting that, with far more results, it might be possible to detect a tendency for more spawning to take place when the maximum temperature was over
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