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[1]范周周 卢舒瑜 李志茹 庞丹波 周金星 肖桂英 彭霞薇**.岩溶与非岩溶地区不同林分根际土壤微生物对碳酸盐岩的溶蚀作用*[J].应用与环境生物学报,2018,24(04):1-9.[doi:10.3724/SP.J.1145.2017.09031]
 FAN Zhouzhou,LU Shuyu,LI Zhiru,et al.Study on roles of soil microbes from different forest stands rhizosphere in karst and non karst areas in dissolution of calcium carbonate *[J].Chinese Journal of Applied & Environmental Biology,2018,24(04):1-9.[doi:10.3724/SP.J.1145.2017.09031]
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岩溶与非岩溶地区不同林分根际土壤微生物对碳酸盐岩的溶蚀作用*()
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《应用与环境生物学报》[ISSN:1006-687X/CN:51-1482/Q]

卷:
24卷
期数:
2018年04期
页码:
1-9
栏目:
研究论文
出版日期:
2018-08-25

文章信息/Info

Title:
Study on roles of soil microbes from different forest stands rhizosphere in karst and non karst areas in dissolution of calcium carbonate *
文章编号:
201709031
作者:
范周周1 卢舒瑜1 李志茹1 庞丹波2 周金星2 肖桂英3 彭霞薇1**
1北京林业大学生物科学与技术学院 北京 100083?
2云南建水国家荒漠生态系统定位研究站,国家林业局水土保持重点实验室,北京林业大学水土保持学院 北京 100083
3建水县林业技术推广所 云南建水 654300
Author(s):
FAN Zhouzhou1 LU Shuyu1 LI Zhiru1 PANG Danbo2 ZHOU Jinxing2 XIAO Guiying3 & PENG Xiawei1**
1College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing 100083, China 2 Jianshui Research Station, Key Laboratory of soil and Water Conservation of State Forestry Administration, School of Soil and Water Conservation, Beijing Forestry University, Beijing 100083, China 3Forest Technology Extension Institute of Jianshui County, Jianshui 654300, China
关键词:
碳酸酐酶土壤微生物岩溶溶蚀碳循环
Keywords:
carbonic anhydrase soil microorganism karst dissolution carbon cycle
DOI:
10.3724/SP.J.1145.2017.09031
摘要:
为明确不同地质背景条件下,不同林分可培养根际土壤微生物对碳酸盐岩的溶蚀作用的影响。本文以云南建水岩溶与非岩溶地区针叶林云南松、阔叶林桉树的根际土壤为样品,比较岩溶与非岩溶地区土壤微生物及其分泌的碳酸酐酶对岩溶作用的影响。研究结果表明岩溶地区的溶蚀速率均高于非岩溶地区,针叶林的溶蚀速率大于阔叶林,且岩溶地区云南松的溶蚀率最高为5.01%,说明岩溶地区云南松的土壤根际微生物对岩溶地区的溶蚀效应最大;加入碳酸酐酶抑制剂的处理组溶蚀速率低于未加入碳酸酐酶的处理3.6%-16%,表明碳酸酐酶对碳酸盐岩的溶蚀具有促进作用。本研究表明岩溶地区针叶林根际土壤微生物有利于碳酸盐岩的溶蚀,加快成土速率,为深入研究自然生态系统中微生物对碳循环的驱动作用、探究微生物对喀斯特地区的风化作用提供理论依据。
Abstract:
To clarify the effects of different culturable soil microbial communities on the dissolution of calcium carbonate rocks under different geological conditions. Soil samples was collected in rhizosphere of coniferous forest of Yunnan pine and broadleaf forest of Eucalyptus growing up in karst and non-karst areas of Yunnan Jianshui in this study. The impact of soil microbes existing in karst and non-karst areas as well as carbonic anhydrase secreted by them on the process of karst were explored. The results revealed that the dissolution rate of karst areas were higher than non-karst areas, the dissolution rate of coniferous forest was greater than broad-leaved forest, the dissolution rate of coniferous forest Yunnan pinein was highest up 5.01% indicating corrosion effect induced by rhizosphere microorganism in karst areas of Yunnan pine of coniferous forest was most obvious; the dissolution rate of the treatment adding carbonic anhydrase inhibitors was about 3.6% - 16% lower than the treatment without addition of carbonic anhydrase, suggesting that carbonic anhydrase accelerated the dissolution rate of calcium carbonate rocks in brief, soil rhizosphere microbes of coniferous forests in karst areas benefit the dissolution of calcium carbonate rock, accelerate the formation of soil, providing a theoretical basis for further research on the driving function of microorganisms in carbon cycling in natural ecosystems and the weathering of Karst area drived by microorganisms.

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备注/Memo

备注/Memo:
收稿日期:2017-09-18 接受日期:2017-11-24
*国家重点研发计划(2016YFC0502500,2016YFC0502504)、国家自然科学基金(31500583)、中央级公益性科研院所基本科研业务费专项基金(CAFYBB2014ZD006,CAFYBB2016QB020) 资助
**通讯作者(E-mail: dmwang@126.com)
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更新日期/Last Update: 2017-12-06