| 天然次生柞木林光照强度变化规律观测 |
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| 引用本文： | 车代弟 石福臣. 天然次生柞木林光照强度变化规律观测[J]. 国土与自然资源研究, 1997, 0(2): 65-67 |
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| 作者姓名： | 车代弟 石福臣 |
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| 作者单位： | 东北农业大学!哈尔滨，150030(王崑，车代弟)，东北林业大学!哈尔滨(石福臣) |
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| 摘 要： | 对天然次生柞木林内的不同层次及林内外的光照强度进行了日、季变化规律的研究。晴天具有相似的日变化规律，呈单峰曲线，中午１２时左右达到最大值；而在多云条件下，上述规律常常被破坏，季节变化，变化趋势一致，７月份达最大值，但随着离度下降，峰值逐渐消失；对照区和林冠表面受气候条件影响较大。还对柞木林内光照强度的分布格局进行了研究，近９５％的太阳辐射能被主林层吸收。
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| 关 键 词： | 柞木林 光照强度 日变化 季节变化 |
Regularity of illumince change in natural secondary Oak forests in Sanjing plain |
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| WANG Kun et al. Regularity of illumince change in natural secondary Oak forests in Sanjing plain[J]. Territory & Natural Resources Study, 1997, 0(2): 65-67 |
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| Authors: | WANG Kun et al |
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| Affiliation: | WANG Kun et al |
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| Abstract: | In this paper,the authors studied the daily and seasonal change laws of illuminace in and out oak forest. Theresults show: the daily changes of illumince are similar in different layers of oak forest and out oak forest. Theseasonal changes are also similar and reach to max value in July. But while the height falls. the peak value gradually disappears in oak forest. Furthermore, this paper also studied the distribution of illuminace in oak forest andabout 95% of solar rediation 4re absorbed by main forest layers. |
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| Keywords: | oak forest illuminace daily change seasonal change |
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