Research on Soil Nutrients of Forests Nearby Xitiaoxi River in the Upper Reaches of Taihu Lake Basin

ZHANG Can-qiang; ZHANG Biao; YANG Yan-gang

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Research on Soil Nutrients of Forests Nearby Xitiaoxi River in the Upper Reaches of Taihu Lake Basin

更新时间：2024-11-07

- Research on Soil Nutrients of Forests Nearby Xitiaoxi River in the Upper Reaches of Taihu Lake Basin
- Vol. 25, Issue 5, (2011)
- 作者机构：
  
  1. 中国科学院地理科学与资源研究所
  2. 中国科学院研究生院
  3. 中国林业科学研究院亚热带林业研究所
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2011
- 稿件说明：
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ZHANG Can-qiang, ZHANG Biao, YANG Yan-gang. Research on Soil Nutrients of Forests Nearby Xitiaoxi River in the Upper Reaches of Taihu Lake Basin[J]. 2011, 25(5).
DOI：

ZHANG Can-qiang, ZHANG Biao, YANG Yan-gang. Research on Soil Nutrients of Forests Nearby Xitiaoxi River in the Upper Reaches of Taihu Lake Basin[J]. 2011, 25(5). DOI：

摘要

近岸森林土壤受到河水涨落等自然侵蚀和人类活动的双重扰动

增加了土壤养分流失威胁

从而增大了下游河流和湖泊富营养化的风险

影响森林作为河岸缓冲带作用的发挥。对河岸森林土壤养分的研究

可为河岸森林树种的选取、河岸带建设、经营与管理等提供依据。以太湖上游的西苕溪两岸1km范围内的森林为研究对象

选择典型竹林、经济林、纯林和混交林样地34块

分层采集土壤样品

实验室测定有效磷、碱解氮、全氮和全磷等养分含量

利用变异系数分析不同森林类型和不同深度土层中养分含量的变异性

并且采用单因素方差分析和多重比较的方法分析土壤养分含量在不同森林类型间同一深度土层的差异性。结果表明

竹林土壤有效磷、碱解氮、全氮和全磷均具有较高的变异性

经济林土壤中的有效磷和全氮的变异较大

纯林和混交林土壤养分的变异性总体上较低;土壤有效磷、碱解氮和全氮平均含量在不同林型中都表现为0-10cm>10-30cm>30-50cm

即随着土层的加深养分含量降低;土壤有效磷含量竹林显著高于纯林

不同土层竹林与经济林的碱解氮含量显著高于纯林和混交林的;经济林的全氮含量较其他林型的较低

而全磷的含量却较高。

Abstract

Forest ecosystem

especially forest soil

was disturbed increasingly by Human's management practices

such as fertilization

soil treatment and so on.Soil disturbance of riparian forest will increase the risk of nutrient loss causing eutrophication of river and lakes downstream and affect the role of forest as the riparian buffer zone.This study selected 34 typical plots of bamboo forest

economic forest

pure forest and mix forest within 1 km of the Xitiaoxi river in Taihu basin.Soil samples in different layers ...

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