LIN Pei-song,SHANG Zhi-hai.A Primary Study on the Soil Properties of the Different Forest in Typical Area of Hanjiang River Basin[J].Research of Soil and Water Conservation,2009,16(03):117-120.
韩江流域典型区不同森林类型土壤理化性质初步研究
- Title:
- A Primary Study on the Soil Properties of the Different Forest in Typical Area of Hanjiang River Basin
- Keywords:
- forest soil; physical and chemical property; soil and water conservation; Meijiang District
- 分类号:
- S714.2
- 摘要:
- 采用野外调查、取样和室内实验分析相结合的方法，以梅江区为研究区域，系统研究了不同森林类型土壤理化性质特征和差异。结果表明：在4种林地中，表层土壤砂粒含量以马尾松林地为最高，天然常绿阔叶林地最低；黏粒含量大小依次为马尾松林＜人工桉树林＜次生灌丛＜天然常绿阔叶林地。不同森林类型对土壤养分状况具有很大的影响，阔叶林林地能很好地促进有机质、N、P和K含量的增加，改善土壤养分状况，但在人工桉树林、次生灌丛和马尾松林地等3种林分中，土壤养分呈现出逐渐下降趋势，特别是土壤表层养分下降趋势尤为明显。最后针对现状，提出了相应建议以维护韩江流域典型区林地利用的可持续发展。
- Abstract:
- In this paper, by the method of soil sampling and laboratory analysis, the soil properties of different forest in Meijiang District have been researched. The results showed that the contents of the sand of surface layer soils in Conifenus forest were the highest but it is the lowest in broad-leaf forest soils. The contents of clay in the surface layer soils increased from Coniferous forest, eucalyptus forest, Scrub forest to broad-leaf forest. Under the similar site condition, the broad-leaf forest had better maintenance of soil fertility than the other forests did. The contents of N, P, K and organic matter in broad-leaf forest soils were higher than that in others. The nutrients of soil decreased from broad-leaf forest, Scrub forest, eucalyptus forest to Coniferous forest in the different soil layers and the reduction was especially obvious in surface layer soils. Aiming at the situation, some suggestions were put forward so as to maintain the sustainable development of the forest soils in typical area of Hanjiang river basin.
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备注/Memo
收稿日期:2008-10-14。
基金项目:广东省自然科学基金项目（5008167）；梅州市2008年重点科技计划项目资助
作者简介:林培松（1970- ），男，江西寻乌人，在读博士，主要从事土壤生态和区域环境演变方面的研究。E-mail：mzlinps@163.com