indiv
- 网络个人
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The density of the bird in the islands is very hight with 1-2 indiv . / m , especially the Gulls density come up 10 indiv . / m.
鸟岛中鸟类栖息密度达1&2只／m2，而鸥类可达10.只／m2。
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The average earthworm population is 83.83 indiv . / m ~ 2 . The highest population density was found in August 1998 among the five surveys of the study , the seasonal variation of the earthworm population is : summer > spring > autumn and winter .
全年平均种群密度为83.83条/m2，最高种群数量出现在1998年8月份，其季节变化趋势为夏季>春季>秋冬季。