| 黑龙江省黑土丘陵漫岗区水土保持林生态效益研究 |
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| 引用本文： | 李勤,刘新宇.黑龙江省黑土丘陵漫岗区水土保持林生态效益研究[J].防护林科技,2004(5):30-32. |
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| 作者姓名： | 李勤 刘新宇 |
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| 作者单位： | 1. 黑龙江省林业厅,黑龙江,哈尔滨,150090
2. 黑龙江省防护林研究所 |
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| 摘 要： | 通过对水土保持林体系区域性生态效益进行观测和分析 ,结果表明 :水土保持林具有较强的气温调节作用和减少水分蒸发作用 ;水土保持林内在生长季节各月平均湿度大于林外 ,并具有很强的截留降雨作用 ,平均截持率达 2 2 % ;并且改善了土壤结构和理化性质 ,减少了地表径流和土壤流失
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| 关 键 词： | 黑土 丘陵漫岗区 水土保持林 生态效益 |
| 文章编号： | 1005-5215(2004)04-0030-03 |
STUDY ON ECOLOGICAL BENEFIT OF SOIL AND WATER CONSERVATION FOREST IN THE GENTLE HILLY REGIONS OF HEILONGJIANG |
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| LI Qin,LIU Xin-yu.STUDY ON ECOLOGICAL BENEFIT OF SOIL AND WATER CONSERVATION FOREST IN THE GENTLE HILLY REGIONS OF HEILONGJIANG[J].Protection Forest Science and Technology,2004(5):30-32. |
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| Authors: | LI Qin LIU Xin-yu |
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| Institution: | LI Qin~1,LIU Xin-yu~2 |
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| Abstract: | Observation and analysis of the regional ecological benefit of soil and water conservation forest system showed that the forest system had functions-regulating air temperature ,reducing moisture vaporization,conserving soil humidity and blocking 22% of rainwater.It also can improve soil structure and physicochemical properties, reduce surface runoff and soil losses. |
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| Keywords: | black soil gentle hilly region soil and water conservation forest ecological benefit |
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