Effects of simulated acid rain on soil and soil solution chemistry in a monsoon evergreen broad-leaved forest in southern china
文献类型:期刊论文
作者 | Qiu, Qingyan1,2; Wu, Jianping1,2; Liang, Guohua3; Liu, Juxiu1; Chu, Guowei1; Zhou, Guoyi1; Zhang, Deqiang1 |
刊名 | Environmental monitoring and assessment
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出版日期 | 2015-05-01 |
卷号 | 187期号:5页码:13 |
关键词 | Sar Ph Base cations Acid anion Dissolved organic carbon Monsoon forest |
ISSN号 | 0167-6369 |
DOI | 10.1007/s10661-015-4492-8 |
通讯作者 | Zhang, deqiang(zhangdeq@scib.ac.cn) |
英文摘要 | Acid rain is an environmental problem of increasing concern in china. in this study, a laboratory leaching column experiment with acid forest soil was set up to investigate the responses of soil and soil solution chemistry to simulated acid rain (sar). five ph levels of sar were set: 2.5, 3.0, 3.5, 4.0, and 4.5 (as a control, ck). the results showed that soil acidification would occur when the ph of sar was <= 3.5. the concentrations of no3- and ca2+ in the soil increased significantly when the ph of sar fell 3.5. the concentration of so42- in the soil increased significantly when the ph of sar was <4.0. the effects of sar on soil solution chemistry became increasingly apparent as the experiment proceeded (except for na+ and dissolved organic carbon (doc)). the net exports of no3-, so42-, mg2+, and ca2+ increased about 42-86 % under ph 2.5 treatment as compared to ck. the ca2+ was sensitive to sar, and the soil could release ca2+ through mineral weathering to mitigate soil acidification. the concentration of exchangeable al3+ in the soil increased with increasing the acidity of sar. the releases of soluble al and fe were sar ph dependent, and their net exports under ph 2.5 treatment were 19.6 and 5.5 times, respectively, higher than that under ck. the net export of doc was reduced by 12-29 % under sar treatments as compared to ck. our results indicate the chemical constituents in the soil are more sensitive to sar than those in the soil solution, and the effects of sar on soil solution chemistry depend not only on the intensity of sar but also on the duration of sar addition. the soil and soil solution chemistry in this region may not be affected by current precipitation (ph approximate to 4.5) in short term, but the soil and soil leachate chemistry may change dramatically if the ph of precipitation were below 3.5 and 3.0, respectively. |
WOS关键词 | DISSOLVED ORGANIC-CARBON ; NORTHEASTERN UNITED-STATES ; NITROGEN DEPOSITION ; SUBTROPICAL FORESTS ; CLIMATE-CHANGE ; MATTER ; ECOSYSTEMS ; DYNAMICS ; SULFATE ; ACIDIFICATION |
WOS研究方向 | Environmental Sciences & Ecology |
WOS类目 | Environmental Sciences |
语种 | 英语 |
WOS记录号 | WOS:000355607100016 |
出版者 | SPRINGER |
URI标识 | http://www.irgrid.ac.cn/handle/1471x/2376757 |
专题 | 中国科学院大学 |
通讯作者 | Zhang, Deqiang |
作者单位 | 1.Chinese Acad Sci, Key Lab Vegetat Restorat & Management Degraded Ec, South China Bot Garden, Guangzhou 510650, Guangdong, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100039, Peoples R China 3.S China Agr Univ, State Key Lab Conservat & Utilizat Subtrop Agrobi, Guangzhou 510650, Guangdong, Peoples R China |
推荐引用方式 GB/T 7714 | Qiu, Qingyan,Wu, Jianping,Liang, Guohua,et al. Effects of simulated acid rain on soil and soil solution chemistry in a monsoon evergreen broad-leaved forest in southern china[J]. Environmental monitoring and assessment,2015,187(5):13. |
APA | Qiu, Qingyan.,Wu, Jianping.,Liang, Guohua.,Liu, Juxiu.,Chu, Guowei.,...&Zhang, Deqiang.(2015).Effects of simulated acid rain on soil and soil solution chemistry in a monsoon evergreen broad-leaved forest in southern china.Environmental monitoring and assessment,187(5),13. |
MLA | Qiu, Qingyan,et al."Effects of simulated acid rain on soil and soil solution chemistry in a monsoon evergreen broad-leaved forest in southern china".Environmental monitoring and assessment 187.5(2015):13. |
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来源:中国科学院大学
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