[1]关晋宏,张克栋,邓磊,等.不同起源云杉林土壤有机碳密度及与物种多样性关系[J].水土保持研究,2016,23(02):49-54,59.
　GUAN Jinhong,ZHANG Kedong,DENG Lei,et al.Soil Organic Carbon Density and Relationship with Species Diversity in Pedigreed Spruce at Natural Forest and Plantation Scales[J].Research of Soil and Water Conservation,2016,23(02):49-54,59.
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不同起源云杉林土壤有机碳密度及与物种多样性关系

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 23 期数: 2016年02期 页码: 49-54,59 栏目: 出版日期: 2016-04-28
Title:
Soil Organic Carbon Density and Relationship with Species Diversity in Pedigreed Spruce at Natural Forest and Plantation Scales
作者:
关晋宏1,5, 张克栋4, 邓磊3, 张建国1,5, 何秋月2, 杜盛1,2
1. 中国科学院 水利部 水土保持研究所, 陕西 杨凌 712100;
2. 西北农林科技大学 水土保持研究所, 陕西 杨凌 712100;
3. 西北农林科技大学 西部环境与生态教育部重点实验室, 陕西 杨陵 712100;
4. 甘肃省洮河林业局, 甘肃 甘南 747600
Author(s):
GUAN Jinhong1,5, ZHANG Kedong4, DENG Lei3, ZHANG Jianguo1,5, HE Qiuyue2, DU Sheng1,2
1. Institute of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Water Resources, Yangling, Shaanxi 712100, China;
2. Institute of Soil and Water Conservation, Northwest A & F University, Yangling, Shaanxi 712100, China;
3. Key Laboratory of Environment and Ecology of Education Ministry in West China, Northwest A & F University, Yangling, Shaanxi 712100, China;
4. Gansu Taohe Forest Bureau, Gannan, Gansu 747600, China
关键词:
云杉; 人工林; 天然林; 林龄; 土壤有机碳密度; 物种多样性
Keywords:
Picea asperata; planations; natural forests; forest age; soil organic carbon density; species diversity
分类号:
S718.5
摘要:
对甘南地区云杉人工林和天然林的不同林龄（包括幼龄林、中龄林、近熟林和成熟林）土壤有机碳密度及其群落物种多样性的关系进行研究。结果表明：不同起源云杉林在各林龄中均以表层土壤（0—10 cm）土壤有机碳含量最高，随土壤深度的增加逐渐减少；土壤有机碳密度除天然云杉成熟林在表层最高外，其他均以深层土壤（50—100 cm）最高，且土壤有机碳含量和有机碳密度随林龄的变化不显著（p > 0.05）。冗余分析表明，人工林0—10，10—20，20—30，30—50 cm的土壤有机碳密度除与Ea指数呈负相关关系外，与丰富度（S）、Shannon-Wiener指数（H’）、Simpson指数（D）、Pielou指数（Jsw）均呈正相关关系；天然林0—10，10—20，20—30 cm的土壤有机碳密度与这5个指数均呈正相关关系。
Abstract:
Different-aged forests (including young forest, middle-aged forest, pre-mature forest and mature forest) of both plantations and natural forests of spruce (Picea asperata) were systematically investigated in Gannan Tibetan Autonomous Prefecture to explore the relationship between species diversity and soil organic carbon (SOC) density. Vertical distribution of SOC content and density, and species diversity, in both plantations and natural forests were analyzed. The results showed that SOC contents were highest in the top soil in different-aged forests of both natural forests and plantations, and decreased gradually with soil depth. SOC densities were highest in the deep soil layer(50—100 cm)in different-aged forests of both natural forests and plantations except the natural mature forest. Moreover, SOC content and density varied insignificantly with forest ages(p > 0.05). SOC density in spruce plantations increased, whereas SOC density in spruce natural forests decreased along the ages. Redundancy discriminate analysis (RDA) showed that SOC densities of 0—10, 10—20, 20—30, 30—50 cm in spruce plantations had a positive relationship with species richness (S), Shannon-Wiener (H’), Simpson (D) and Pielou (Jsw), but a negative relationship with Alatalo (Ea). By contrast, SOC densities of 0—10, 10—20 and 20—30 cm in spruce natural forests had a positive relationship with the five indices mentioned above.

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备注/Memo

收稿日期:2015-05-07;改回日期:2015-05-12。
基金项目:中国科学院战略性先导科技专项（XDA05050202）；国家自然科学基金（41171419，41411140035）
作者简介:关晋宏(1984-),女,山西宁武人,博士研究生,主要研究方向为森林生态、流域生态与管理。E-mail:cocogjh@163.com
通讯作者:杜盛(1965-),男,内蒙古鄂尔多斯人,博士,研究员,主要研究方向为森林生态、流域生态与管理。E-mail:shengdu@ms.iswc.ac.cn

更新日期/Last Update: 1900-01-01