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应用生态学报 ›› 1998, Vol. 9 ›› Issue (3): 237-241.

• 研究论文 • 上一篇    下一篇

辽东山区主要森林类型林地土壤涵蓄水性能的研究

郝占庆, 王力华   

  1. 中国科学院沈阳应用生态研究所, 沈阳110015
  • 收稿日期:1997-12-09 修回日期:1998-03-09 出版日期:1998-05-25 发布日期:1998-05-25
  • 基金资助:

    国家自然科学基金资助项目(39270558)

Water conservaion capacities of soils with major forest types in mountainous regions of east Liaoning Province

Hao Zhanqing, Wang Lihua   

  1. Institute of Applied Ecology, Academia Sinica, Shenyang 110015
  • Received:1997-12-09 Revised:1998-03-09 Online:1998-05-25 Published:1998-05-25

摘要: 从森林涵养水源的角度,对辽宁省东部山区相同年龄的5种主要森林类型林地土壤的涵蓄水性能进行了研究。结果表明,各森林类型林地枯落物贮量为10.87~18.67t·hm-2, 针叶林下枯落物贮量大于阔叶林;枯落物的蓄水量为37.11~57.65t·hm-2, 枯落物蓄水量与枯落物贮量成正比;各森林类型林地表层50cm土壤的涵蓄水量在817.7~937.6t·hm-2;天然柞树林下的土壤具有最好的渗透性和最高的蓄水力,其次为阔叶混交林、红松人工林、落叶松人工林和油松林人工林。天然阔叶林较人工针叶林具有更好的涵养水源性能。

关键词: 辽东山区, 水源涵养林, 枯落物蓄水, 土壤蓄水, 养分吸收, 玉米与马铃薯间作, 养分利用, 间作优势

Abstract: With the concerns of water conservation by forest, soils with same aged five forest types in mountainous regions of east Liaoning were selected to test their water-holding capacity. The storage of litter under these forests ranged from 10.87 to 18.67t·hm-2, which was greater in coniferous than in broad-leaved forest. The amount of water-holding by litter was 37.11~ 57.65 t·hm-2, and had a positive relationship with the storage of litter. The water storage of all forest soils within the depth of 50cm was 817.7~937.6t·hm-2 . Natural Mongoilan oak forest soil had the best infiltration rate and the highest water conservation, followed by soils with broad-leaved mixed forest, Korean pine plantation, Changbai larch plantation and Chinese pine plantation. In general, natural broad-leaved forests had a higher water conservation than coniferous plantations.

Key words: Mountainous regions of east Liaoning Province, Water conservation forest, Water holding of litter, Water holding of soil, nutrient uptake, nutrient utilization, intercropping advantage, maize and potato intercropping