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[1]贺静雯 刘颖 吴建召 崔 羽 罗清虎 林勇明** 王道杰 李键.震区生态恢复初期土壤养分与微生物生物量特征的关系*[J].应用与环境生物学报,2019,25(05):1-14.[doi:10.19675/j.cnki.1006-687x.2018.12015]
 HE Jingwen,LIU Ying,et al.Relationship between soil nutrient and microbial biomass characteristics in the early stage of ecological restoration in earthquake affected area[J].Chinese Journal of Applied & Environmental Biology,2019,25(05):1-14.[doi:10.19675/j.cnki.1006-687x.2018.12015]
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震区生态恢复初期土壤养分与微生物生物量特征的关系*()
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《应用与环境生物学报》[ISSN:1006-687X/CN:51-1482/Q]

卷:
25卷
期数:
2019年05期
页码:
1-14
栏目:
研究论文
出版日期:
2019-10-31

文章信息/Info

Title:
Relationship between soil nutrient and microbial biomass characteristics in the early stage of ecological restoration in earthquake affected area
作者:
贺静雯1;?2 刘颖1;?2 吴建召1;?2 崔 羽1;?2 罗清虎1;?2 林勇明1;?2** 王道杰3 李键1;?2
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过程与经营重点实验室 福州 350002
3中国科学院水利部成都山地灾害与环境研究所 成都 640001
Author(s):
HE Jingwen1;? 2;? LIU Ying1;? 2;? WU Jianzhao1;? 2;? CUI Yu1;?2;? LUO Qinghu1;? 2;? LIN Yongming1;? 2**;? WANG Daojie3 & LI Jian1;? 2
1 College of Forestry, Fujian Agriculture and Forestry University, Fuzhou 350002, China
2 Key Laboratory for Forest Ecosystem Process and Management of Fujian province, Fuzhou 350002, China
3 Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu 640001, China
关键词:
地震灾区;?土壤养分;?土壤微生物;?气候
Keywords:
earthquake affected area;? soil nutrient;? soil microorganism;? climate
DOI:
10.19675/j.cnki.1006-687x.2018.12015
摘要:
为探究地震灾区不同气候区的初期生态恢复过程,选取汶川地震重灾区汶川县(干旱河谷气候区)和绵竹市(亚热带季风性气候区)的受损治理样地与未受损样地,对比研究表层土壤(0-20 cm)全养分(SOC、TN)、速效养分(AN、AP、AK)和微生物生物量。结果表明:同一气候区内,不同土壤层次有机碳含量和0-5 cm,5-10 cm层土壤全氮(TN)含量均表现为未受损区显着高于受损治理区(P < 0.05)。其中,在亚热带季风气候区,受损治理区的水解性氮(AN)和微生物量碳(MBC)含量在不同土壤层次显着低于未受损区(P < 0.05),真菌数量与速效钾(AK),放线菌数量与SOC,TN与细菌,真菌,放线菌数量在未受损区均存在显着相关性(P < 0.05);在干旱河谷气候区,未受损区不同层次土壤有效磷(AP)和微生物量氮(MBN)含量显着高于受损治理区(P < 0.05),MBC与AN、AP,MBN与SOC、TN,细菌数量与AK在受损治理区存在显着相关(P < 0.05),真菌数量与AP在未受损区存在显着相关(P < 0.05)。典范相关分析发现,土壤中AK、TN含量与细菌数量、MBC含量,AK含量与真菌数量具有正相关关系。因此,震后受损区需加大土壤培肥力度,提高土壤速效养分含量,增加土壤微生物数量,从而改善土壤健康状况,促进生态恢复。(图3 表5 参41)
Abstract:
In order to explore the initial ecological restoration process for different climate zones in the earthquake-affected areas, the demonstration area of ecological restoration of Wenchuan County (arid valley climate zone) and Mianzhu City (subtropical monsoon climate zone) was selected as the study area, with destroyed and treated area and undestroyed area as sample plots. The characteristics of total nutrient (SOC, TN), available nutrients (AN, AP, AK), microbial biomass for surface soil (0~20 cm) were studied here. The results showed that the soil organic carbon (SOC) content for different soil layers and soil total nitrogen (TN) content (0~5 cm and 5~10 cm) was significantly higher in undestroyed area than in destroyed and treated area in the two climatic regions ( P < 0.05). Hydrolyzed nitrogen (AN) and microbial carbon (MBC) content for different soil layers in subtropical monsoon climate zone was significantly lower in destroyed and treated area than in undestroyed area ( P < 0.05), and there was a significant correlation between the number of fungi and available potassium (AK), the number of actinomycetes and SOC, TN and bacteria, fungi and actinomycetes in undestroyed area ( P < 0.05); available phosphorus (AP) and microbial nitrogen (MBN) content for different soil layers in arid valley climate zone was significantly higher in undestroyed area than in destroyed and treated area (P < 0.05) . MBC, AN and AP, MBN, SOC and TN, the number of bacteria and AK had significantly correlated in the damaged area ( P < 0.05), and the number of fungi was significantly correlated with AP in the undamaged area (P < 0.05). A typical correlation analysis showed that the content of AK, TN in soil was positively correlated with the number of bacteria, and AK had a certain promoting effect on the number of fungi. Therefore, the destroyed area needs to improve soil fertility after the earthquake, and increase soil microbial quantity, thereby achieving the purpose of improving soil health and promoting ecological restoration.

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备注/Memo

备注/Memo:
收稿日期 Received: 2018-12-07 接受日期 Accepted: 2019-06-06
*国家自然科学基金项目(41790434)、福建农林大学杰出青年科研人才计划项目(xjq2017016)、福建农林大学科技创新专项基金项目(CXZX2017111和CXZX2017283)资助
**通讯作者 Corresponding author (E-mail: monkey1422@163.com)
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更新日期/Last Update: 2019-06-19