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中文摘要：
根据喀斯特峰丛洼地次生林自动观测气象站连续气象观测资料，以农田气象资料为对照，初步分析了次生林小气候特征的变化规律。结果表明，喀斯特峰丛洼地次生林对小气候存在明显影响。林内太阳辐射、平均气温和风速相对林外均明显偏低，而相对湿度林内显著大于林外。林内同林外比，太阳辐射年平均降低40．6％，气温偏低0-3℃-5．3℃，相对湿度偏高0．9％-11．4％；风速平均降低0．57m／s。林内各气象因子变化幅度均明显小于林外，次生林对各气象因子影响明显。各气象因子之间相关性显著，林内外温度相关性最强。
英文摘要：
Based on the meteorological information of forest microclimate at different altitudes in Huanjiang County, the microclimate characteristics of depression between karst hills were analyzed and compared between inside and outside forest area. The main results revealed that the influence of secondary forest on the microclimate factors was obvious. The average solar radiation, air temperature and wind velocity inside forest were lower than that outside forest obviously, while the relative air humidity inside forest was higher than that outside forest significantly. Comparing with outside forest area, the average annual solar radiation inside forest reduced 40.6%, the air temperature reduced from 0.3 ~C to 5.3 ~C, the relative humidity increased from 0.9% to 11.4%, and the average wind velocity reduced 0,57 m/s, The meteorological factors outside forest changed with greater variation than inside. The correlations between meteorological factors were significant, especially the correlations between the temoerature in inside and outside forest.
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