表8 アドバンテスト・ビオトープの立地環境別の地温の季節変化。2008年11月27日から2009年10月26日の間、ビオトープ内10地点に温度データロガーを各一台設置し、30分間隔で気温および地温を連続測定した。得られたデータから立地別に月ごとの日最高地温、日平均地温、日最低地温の平均値(MEAN)と標準偏差(SD)を算出した。
日平均地温
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月
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NO1.ヨモギ草原
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NO3芝地
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NO10芝地
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NO6ススキ草原
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NO9ススキ草原
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NO2水源低木林
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NO4林床
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NO5林床
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NO7林床
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NO8林床
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MEAN
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SD
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MEAN
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SD
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MEAN
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SD
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MEAN
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SD
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MEAN
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SD
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MEAN
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SD
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MEAN
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SD
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MEAN
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SD
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MEAN
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SD
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MEAN
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SD
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08-11 |
10.7
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0.7
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9.3
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0.7
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10.6
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1.0
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9.3
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0.1
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10.0
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0.4
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9.4
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0.5
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9.8
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0.6
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10.1
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0.4
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10.2
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0.3
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9.4
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0.2
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12 |
9.1
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1.3
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6.7
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1.7
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8.6
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1.7
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7.2
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1.3
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7.6
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2.6
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7.7
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1.4
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8.6
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1.2
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8.6
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1.1
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7.8
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1.4
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7.3
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1.5
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09- 1 |
6.8
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0.9
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4.3
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1.6
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5.6
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1.0
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4.4
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1.0
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3.2
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2.4
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5.0
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1.1
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6.0
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0.8
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6.1
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0.8
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5.2
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1.1
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4.4
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1.2
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2 |
7.5
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1.1
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5.2
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1.3
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6.0
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2.0
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5.1
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0.7
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4.7
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2.2
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5.4
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0.9
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6.1
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0.7
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5.9
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0.7
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5.2
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0.9
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4.9
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1.1
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3 |
9.1
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1.6
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7.9
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1.8
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8.7
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2.6
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6.8
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1.2
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7.7
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2.6
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7.4
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1.4
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7.2
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1.2
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7.3
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1.1
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7.4
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1.5
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6.8
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1.6
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4 |
13.2
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2.0
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13.2
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2.3
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14.2
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2.8
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13.2
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3.1
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13.8
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2.5
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12.4
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2.0
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11.4
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1.9
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11.8
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1.9
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12.3
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2.0
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11.9
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2.2
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5 |
16.8
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1.4
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17.8
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1.8
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18.1
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1.8
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17.6
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1.2
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18.3
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2.0
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16.3
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1.3
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15.7
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1.3
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15.8
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1.3
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16.1
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1.4
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16.6
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1.4
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6 |
20.2
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1.5
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21.4
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1.6
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21.4
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1.6
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20.8
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1.5
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20.9
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1.7
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19.6
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1.4
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19.1
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1.5
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19.6
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1.4
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19.3
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1.5
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19.7
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1.5
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7 |
23.7
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1.1
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25.0
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1.4
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25.8
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2.1
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24.2
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1.1
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24.2
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1.6
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23.1
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1.1
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22.7
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1.1
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23.1
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0.9
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22.8
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1.2
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23.3
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1.2
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8 |
24.7
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1.1
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25.5
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1.3
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25.7
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1.7
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25.2
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0.9
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25.0
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1.6
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24.0
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1.1
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23.6
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1.0
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24.1
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0.8
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23.6
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1.1
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24.3
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1.0
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9 |
22.0
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0.9
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21.6
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1.1
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22.1
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1.4
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21.5
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0.9
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21.5
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1.4
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21.1
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0.8
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20.6
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0.8
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21.3
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0.7
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20.6
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1.0
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21.1
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0.8
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10 |
18.4
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1.3
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17.6
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1.6
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18.2
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1.6
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17.5
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1.6
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16.6
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1.6
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17.3
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1.4
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17.2
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1.3
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18.3
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1.4
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16.9
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1.4
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17.3
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1.4
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日最高地温 |
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月
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NO1.ヨモギ草原
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NO3芝地
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NO10芝地
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NO6ススキ草原
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NO9ススキ草原
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NO2水源低木林
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NO4林床
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NO5林床
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NO7林床
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NO8林床
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MEAN
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SD
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MEAN
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SD
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MEAN
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SD
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MEAN
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SD
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MEAN
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SD
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MEAN
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SD
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MEAN
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SD
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MEAN
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SD
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MEAN
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SD
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MEAN
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SD
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08-11 |
12.9
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0.9
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11.9
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0.8
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12.7
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1.1
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9.9
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0.1
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11.3
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0.1
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10.1
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0.3
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10.6
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0.2
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10.6
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0.1
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10.8
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0.2
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9.9
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0.3
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12 |
11.3
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1.5
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9.5
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1.9
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10.1
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1.8
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7.8
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1.3
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11.0
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2.7
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8.3
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1.4
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9.2
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1.2
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9.1
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1.2
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8.6
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1.4
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8.1
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1.5
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09- 1 |
8.9
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1.2
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6.7
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1.6
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7.0
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1.0
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5.0
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1.0
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11.3
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2.8
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5.6
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1.2
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6.5
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0.9
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6.4
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0.8
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5.9
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1.1
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5.3
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1.3
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2 |
9.9
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1.9
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8.9
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2.1
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12.9
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5.8
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5.7
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0.8
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12.8
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4.5
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6.1
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1.0
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6.6
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0.9
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6.4
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0.8
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6.2
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1.1
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6.4
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1.5
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3 |
11.9
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2.4
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13.0
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3.3
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23.1
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6.6
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7.7
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1.4
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16.4
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4.3
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8.4
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1.6
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7.8
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1.3
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7.7
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1.2
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9.7
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2.4
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8.5
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1.8
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4 |
15.7
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2.2
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18.2
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3.5
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25.9
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8.9
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14.6
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3.2
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24.0
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5.6
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13.3
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1.9
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12.1
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2.0
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12.4
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2.0
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15.1
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2.8
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13.6
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2.2
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5 |
17.7
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1.4
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20.4
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2.1
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22.4
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3.5
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18.3
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1.1
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25.8
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4.8
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16.7
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1.3
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16.2
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1.2
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16.4
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1.1
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17.0
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1.5
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17.6
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1.4
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6 |
20.9
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1.5
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23.7
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2.0
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24.7
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2.2
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21.3
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1.5
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25.9
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2.7
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20.0
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1.4
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19.6
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1.5
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20.1
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1.5
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20.2
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1.6
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20.4
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1.5
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7 |
24.4
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1.2
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27.2
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1.9
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31.3
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4.5
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24.6
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1.2
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27.8
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2.9
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23.5
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1.1
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23.1
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1.2
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23.8
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1.5
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23.6
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1.4
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23.9
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1.2
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8 |
25.5
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1.1
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27.4
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1.6
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32.0
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3.4
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25.5
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0.8
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29.5
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2.7
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24.4
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1.0
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24.1
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1.0
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24.4
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0.7
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24.5
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1.2
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24.9
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0.9
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9 |
23.3
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1.3
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23.6
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1.5
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28.3
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4.3
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21.9
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1.0
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26.4
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2.6
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21.6
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0.9
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21.2
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0.9
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21.8
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0.8
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21.9
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1.2
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21.8
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0.9
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10 |
19.8
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1.3
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19.5
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1.7
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19.8
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1.6
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17.9
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1.5
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20.6
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2.1
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17.9
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1.3
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17.8
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1.3
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19.1
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2.1
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17.7
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1.4
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18.0
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1.3
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日最低地温 |
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月
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NO1.ヨモギ草原
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NO3芝地
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NO10芝地
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NO6ススキ草原
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NO9ススキ草原
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NO2水源低木林
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NO4林床
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NO5林床
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NO7林床
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NO8林床
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MEAN
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SD
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MEAN
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SD
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MEAN
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SD
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MEAN
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SD
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MEAN
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SD
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MEAN
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SD
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MEAN
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SD
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MEAN
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SD
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MEAN
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SD
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MEAN
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SD
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08-11 |
8.8
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0.8
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7.4
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0.5
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8.7
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1.3
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8.6
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0.2
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8.7
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1.1
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8.5
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1.1
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8.9
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1.2
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9.3
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1.1
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9.4
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0.7
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8.9
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0.1
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12 |
7.4
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1.4
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4.7
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1.7
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7.2
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1.6
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6.5
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1.4
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4.8
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5.2
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7.0
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1.5
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7.9
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1.3
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8.2
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1.2
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7.1
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1.5
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6.4
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1.5
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09- 1 |
5.2
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1.0
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2.7
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1.6
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4.6
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1.2
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3.8
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1.1
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-3.3
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4.2
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4.4
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1.0
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5.5
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0.8
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5.7
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0.8
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4.5
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1.2
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3.6
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1.2
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2 |
5.6
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0.9
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2.9
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1.2
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1.2
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2.9
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4.3
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0.8
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-2.5
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3.3
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4.6
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1.1
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5.5
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0.7
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5.4
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0.8
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4.2
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0.9
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3.6
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1.0
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3 |
7.1
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1.4
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4.6
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1.6
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1.1
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3.1
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5.8
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1.0
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0.6
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3.6
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6.4
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1.5
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6.5
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1.0
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6.9
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1.1
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5.7
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1.2
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5.2
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1.4
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4 |
11.3
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2.1
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9.9
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2.8
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8.3
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3.3
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12.0
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3.3
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5.4
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3.1
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11.5
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2.3
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10.7
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2.0
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11.3
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2.0
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10.4
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2.1
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10.5
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2.4
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5 |
15.7
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1.5
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15.7
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2.0
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14.8
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2.2
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16.9
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1.4
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12.4
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2.9
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15.9
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1.4
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15.2
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1.4
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15.4
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1.4
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15.1
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1.5
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15.6
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1.6
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6 |
19.5
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1.6
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19.7
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1.7
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19.1
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2.2
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20.4
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1.5
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17.1
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2.7
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19.3
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1.4
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18.7
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1.4
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19.3
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1.4
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18.5
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1.5
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19.1
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1.6
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7 |
22.9
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1.0
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23.4
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1.2
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22.5
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1.2
|
23.8
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1.0
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21.6
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1.5
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22.7
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1.0
|
22.3
|
1.0
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22.6
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0.8
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22.0
|
1.1
|
22.8
|
1.1
|
8 |
24.0
|
1.3
|
24.1
|
1.2
|
21.8
|
2.0
|
24.9
|
1.0
|
21.4
|
1.8
|
23.5
|
1.4
|
23.2
|
1.1
|
23.8
|
0.9
|
22.8
|
1.1
|
23.7
|
1.1
|
9 |
21.0
|
0.9
|
20.3
|
1.2
|
18.2
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2.2
|
21.2
|
0.9
|
17.6
|
1.9
|
20.6
|
0.9
|
20.0
|
0.8
|
21.0
|
0.7
|
19.6
|
1.0
|
20.5
|
0.8
|
10 |
17.2
|
1.5
|
16.4
|
1.9
|
16.9
|
1.8
|
17.1
|
1.7
|
13.6
|
2.4
|
16.6
|
1.6
|
16.6
|
1.4
|
17.9
|
1.5
|
16.1
|
1.6
|
16.6
|
1.5
|