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[1]杜锟,严思维,张广帅,等.蒋家沟泥石流滩地不同堆积时期土壤肥力质量演变特征[J].应用与环境生物学报,2015,21(04):762-769.[doi:10.3724/SP.J.1145.2015.01036]
 DU Kun,YAN Siwei,ZHANG Guangshuai,et al.Soil quality evolution characteristics of debris flow waste-shoal land in different deposit periods in Jiangjia Gully[J].Chinese Journal of Applied & Environmental Biology,2015,21(04):762-769.[doi:10.3724/SP.J.1145.2015.01036]
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蒋家沟泥石流滩地不同堆积时期土壤肥力质量演变特征()
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《应用与环境生物学报》[ISSN:1006-687X/CN:51-1482/Q]

卷:
21卷
期数:
2015年04期
页码:
762-769
栏目:
研究论文
出版日期:
2015-08-25

文章信息/Info

Title:
Soil quality evolution characteristics of debris flow waste-shoal land in different deposit periods in Jiangjia Gully
作者:
杜锟 严思维 张广帅 林勇明 邓浩俊 陈爱民 吴承祯 王道杰 邵树枞
1福建农林大学林学院 福州 350002 2福建省高校森林生态系统经营与过程重点实验室 福州 350002 3武夷学院生态与资源工程系 武夷山 354300 4中国科学院水利部成都山地灾害与环境研究所 成都 610041
Author(s):
DU Kun YAN Siwei ZHANG Guangshuai LIN Yongming DENG Haojun CHEN Aimin WU Chengzhen WANG Daojie Shao Shuzong
1Forestry College, Fujian Agriculture and Forestry University, Fuzhou 350002, China 2Key Laboratory of Forest Ecosystem and Management of Fujian Higher Education, Fuzhou 350002, China 3Ecology and Resources Process Department, Wuyi College, Wuyishan 354300, China 4Institute of Mountain Hazards and Environment, Chinese Academy of Sciences and Ministry of Water Conservancy, Chengdu 610041, China
关键词:
泥石流滩地堆积时期土地利用方式土壤肥力质量
Keywords:
debris flow waste-shoal land deposit period land use type soil fertility quality
分类号:
S714.8
DOI:
10.3724/SP.J.1145.2015.01036
文献标志码:
A
摘要:
土壤肥力质量是影响泥石流滩地土地利用和生态恢复的重要因素,为探究时间序列上泥石流滩地土壤肥力质量的演变趋势,采用嵌套设计方法选择近期(0-10年)、中期(10-20年)和早期(>20年)泥石流滩地为处理样地,同时以近期泥石流堆积滩地作为对照样地,通过测定不同滩地的林地、耕地、草地和荒地土壤理化性质和土壤酶活性(共16种指标),并利用土壤肥力质量综合指数法对不同堆积时期滩地的各类土地利用方式土壤肥力质量进行研究. 结果显示:堆积时期和土地利用类型不同促使泥石流滩地土壤理化性质和土壤酶活性产生差异,土壤肥力质量综合指数表现出早期堆积滩地(0.54)>中期堆积滩地(0.53)>近期堆积滩地(0.31)的特征;近、中、早期滩地不同土地利用方式下土壤肥力质量评分均以耕地(46、82、83)和林地(47、79、75)最高,草地(26、42、41)次之,荒地(03、10、15)最低,且林地土壤肥力质量表现出退化的趋势. 本研究表明,随堆积时间增长,泥石流滩地土壤肥力质量提高,其变化速率先快后慢,但不合理的栽植和耕种可能导致泥石流滩地土壤肥力质量退化. 因此,加强土地利用方式优化和实施养分归还等对于泥石流滩地的持续利用和生态恢复具有重要意义.
Abstract:
Soil fertility quality is a significant factor affecting sustainable land use and ecological restoration in debris flow waste-shoal land. This research aimed to study the soil fertility quality of the debris flow waste-shoal land deposited in different periods. The recent (0–10 a), mid (10–20 a) and early (> 20 a) debris flow waste-shoal land were selected as the treatment plots according to the nested design method, with the recent debris flow deposits land as the control plot at the same time. Integrated soil fertility quality evaluation method was used to study the soil fertility quality under different land use types (woodland, farmland, meadowland, and uncultivated land) in different deposit periods by measuring soil properties and soil enzyme activities (16 indexes). The results showed difference in soil properties and soil enzyme activities of debris flow waste-shoal land under different deposit periods and land use types, with the integrated soil fertility quality value as: early deposit land (0.54) > mid deposit land (0.53) > recent deposit land (0.31). The soil fertility quality value of farmlands and woodlands were the greatest, followed by the grasses, with uncultivated lands being the least under different land use types in early, mid and recent deposit land. The woodland soil fertility quality showed a trend to degenerate. This study showed that the soil fertility quality in debris flow waste-shoal land improves with the deposit time, first quickly then slowed down. But soil fertility quality may degenerate with improper planting and cultivation in debris flow waste-shoal land. Therefore, it is necessary to optimize land use types and implement nutrient return for sustainable waste-shoal use and ecological restoration in the debris flow waste-shoal land.

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备注/Memo

备注/Memo:
国家自然科学基金项目(41201564)、国家科技支撑计划专题(2012BAC06B02-02)和福建农林大学林学院青年科研基金项目(6112C039Q)资助 Supported by the National Natural Science Foundation of China (41201564) , the Key Sci-Tech Project of China (2012BAC06B02-02) , and the Youth Science and Technology Foundation of Forestry College, Fujian Agriculture and Forestry University (6112C039Q)
更新日期/Last Update: 2015-08-25