祁连山黑河上游多年冻土区不同植被类型土壤有机碳密度分布特征

doi:10.7522/j.issn.1000-0240.2018.0048

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摘要山地多年冻土的异质性影响其植被类型的分布特征，且对有机碳的分布也具有重要影响。通过采集黑河上游多年冻土区三种典型植被类型（高寒沼泽草甸、高寒草甸、高寒草原）8个活动层的土壤样品，测定其土壤有机碳密度及其理化性质。结果表明：高寒沼泽草甸土壤有机碳密度最高（49.50 kg·m^-2），高寒草甸次之（11.22 kg·m^-2），高寒草原最低（7.30 kg·m^-2）。土壤有机碳密度的剖面垂直分布特征具有差异性，高寒沼泽草甸土壤有机碳密度随深度变化不明显，高寒草原和高寒草甸土壤有机碳密度随深度逐渐减小，存在显著的表层聚集性。有机碳密度与土壤含水率和细粒含量呈显著正相关，与pH值呈显著负相关关系。一般线性模型结果表明土壤含水率、pH值和土壤颗粒组成解释了96.39%的有机碳密度变异，其中土壤含水率贡献了81.53%，pH值和土壤粒度分别贡献了9.33%和4.75%。研究表明多年冻土区不同植被类型土壤有机碳密度分布特征具有明显差异，山地多年冻土土壤含水率是控制有机碳密度分布特征的重要影响因素。

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关键词 ：祁连山, 多年冻土区, 植被类型, 有机碳密度, 土壤含水率

Abstract：The heterogeneity of mountain permafrost affects the alpine vegetation type and have an effect on the distribution of soil organic carbon (SOC). In this study, the SOC densities and soil physical and chemical properties were measured on soil samples, which sampled from eight active layers within three types of vegetation cover (swamp meadow, alpine swamp meadow and alpine steppe). It was found that the average SOC density was highest in alpine swamp meadow (49.50 kg·m^-2), following by alpine meadow (11.22 kg·m^-2), and in alpine steppe it was the lowest (7.30 kg·m^-2). In a vertical profile of SOC density, there was a slightly difference:no obvious variation in alpine swamp meadow, decreasing with depth in alpine meadow and alpine steppe, with a significant aggregation in surface. There were positive relationships between SOC density and soil moisture, silt and clay content, and a negative relationship between SOC density and pH value. General linear model result shows that the soil moisture content, pH value and soil particle composition are able to explain 96.39% of the organic carbon density variation, of which 81.53%, 9.33% and 4.75% are attributed to soil moisture, pH value and soil texture, respectively. It means that soil moisture plays a key role in distribution of SOC density in alpine permafrost regions.

Key words： Qilian Mountains permafrost vegetation types soil organic carbon density soil moisture

收稿日期: 2017-12-01

中图分类号:

P642.14

基金资助:国家自然科学基金项目（41601063）；冻土工程国家重点实验室开放基金项目（SKLFSE201408）；兰州大学中央高校基本科研业务费专项（lzujbky-2015-ot03）；兰州大学中央高校基本科研业务费专项（lzujbky-2017-223）资助

通讯作者: 牟翠翠,E-mail:mucc@lzu.edu.cn E-mail: mucc@lzu.edu.cn

作者简介: 马素辉(1992-),男,甘肃陇南人,2015年在兰州大学获学士学位,现为北京大学在读博士研究生,从事全球变化生态学方向研究.E-mail:mash2015@pku.edu.cn

引用本文:

马素辉, 牟翠翠, 郭红, 张现凯, 栗泽苑, 张廷军. 祁连山黑河上游多年冻土区不同植被类型土壤有机碳密度分布特征[J]. 冰川冻土, 2018, 40(3): 426-433. MA Suhui, MU Cuicui, GUO Hong, ZHANG Xiankai, LI Zeyuan, ZHANG Tingjun. Distribution features of permafrost organic carbon density on different vegetation types in the upper reaches of Heihe River, Qilian Mountains. JOURNAL OF GLACIOLOGY AND GEOCRYOLOGY, 2018, 40(3): 426-433.

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http://bcdt.westgis.ac.cn/CN/10.7522/j.issn.1000-0240.2018.0048 或 http://bcdt.westgis.ac.cn/CN/Y2018/V40/I3/426

[1]	Schlesinger W H. Biogeochemistry:an analysis of global change[M]. New York:Academic Press, 1997.
[2]	Johnson D W, Todd D E, Trettin C F, et al. Soil carbon and nitrogen changes in forests of Walker Branch watershed, 1972 to 2004[J]. Soil Science Society of America Journal, 2007, 71(5):1639-1646.
[3]	Davidson E A, Janssens I A. Temperature sensitivity of soil carbon decomposition and feedbacks to climate change[J]. Nature, 2006, 440(7081):165-173.
[4]	Zimov S A, Schuur E A G, Chapin Ⅲ F S. Permafrost and the global carbon budget[J]. Science, 2006, 312(5780):1612-1613.
[5]	Yang Yuanhe, Fang Jingyun, Tang Yanhong, et al. Storage, patterns and controls of soil organic carbon in the Tibetan Grasslands[J]. Global Change Biology, 2008, 14(7):1592-1599.
[6]	Schuur E A G, Vogel J G, Crummer K G, et al. The effect of permafrost thaw on old carbon release and net carbon exchange from tundra[J]. Nature, 2009, 459(7246):556-559.
[7]	Mu Cuicui, Zhang Tingjun, Wu Qingbai, et al. Editorial:organic carbon pools in permafrost regions on the Qinghai-Xizang (Tibetan) Plateau[J]. The Cryosphere, 2015, 9(2):479-486.
[8]	Baumann F, He Jinsheng, Schmidt K, et al. Pedogenesis, permafrost, and soil moisture as controlling factors for soil nitrogen and carbon contents across the Tibetan Plateau[J]. Global Change Biology, 2009, 15(12):3001-3017.
[9]	Yang Yuanhe, Fang Jingyun, Ma Wenhong, et al. Soil carbon stock and its changes in northern China's grasslands from 1980s to 2000s[J]. Global Change Biology, 2010, 16(11):3036-3047.
[10]	Liu Wenjie, Chen Shengyun, Qin Xiang, et al. Storage, patterns, and control of soil organic carbon and nitrogen in the northeastern margin of the Qinghai-Tibetan Plateau[J]. Environmental Research Letters, 2012, 7(3):035401.
[11]	Wang Genxu, Qian Ju, Cheng Guodong, et al. Soil organic carbon pool of grassland soils on the Qinghai-Tibetan Plateau and its global implication[J]. Science of the Total Environment, 2002, 291(1/2/3):207-217.
[12]	Tao Zhen, Shen Chengde, Gao Quanzhou, et al. Soil organic carbon storage and vertical distribution of alpine meadow on the Tibetan Plateau[J]. Acta Geographica Sinica, 2006, 61(7):720-728.[陶贞, 沈承德, 高全洲, 等. 高寒草甸土壤有机碳储量及其垂直分布特征[J]. 地理学报, 2006, 61(7):720-728.]
[13]	Yang Yuanhe, Fang Jingyun, Smith P, et al. Changes in topsoil carbon stock in the Tibetan grasslands between the 1980s and 2004[J]. Global Change Biology, 2009, 15(11):2723-2729.
[14]	Wang Qingfeng, Zhang Tingjun. Interannual and interdecadal variations of air temperature in 1951-2004 over the Heihe River basin in Northwest China[J]. Journal of Food, Agriculture & Environment, 2013, 11:2113-2118.
[15]	Gao Haining, Zhang Yong, Qin Jiahai, et al. Organic carbon distribution and enzyme activities of different degraded meadows soil in upstream of Heihe of Qilian Mountains[J]. Acta Agrestia Sinica, 2014, 22(2):283-290.[高海宁, 张勇, 秦嘉海, 等. 祁连山黑河上游不同退化草地有机碳和酶活性分布特征[J]. 草地学报, 2014, 22(2):283-290.]
[16]	Mu Cuicui, Zhang Tingjun, Wu Qingbai, et al. Stable carbon isotopes as indicators for permafrost carbon vulnerability in upper reach of Heihe River basin, northwestern China[J]. Quaternary International, 2014, 321:71-77.
[17]	Mu Cuicui, Zhang Tingjun, Cao Bing, et al. Study of the organic carbon storage in the active layer of permafrost over the Eboling Mountain in the upper reaches of the Heihe River in the eastern Qilian Mountains[J]. Journal of Glaciology and Geocryology, 2013, 35(1):1-9.[牟翠翠, 张廷军, 曹斌, 等. 祁连山区黑河上游俄博岭多年冻土区活动层碳储量研究[J]. 冰川冻土, 2013, 35(1):1-9.]
[18]	Peng Xiaomei, Xiao Shengchun, Xiao Honglang. Preliminary dendrochronological studies on Populus euphratica in the lower reaches of the Heihe River basin in northwest China[J]. Dendrochronologia, 2013, 31(3):242-249.
[19]	Wen Jin, Wang Yibo, Gao Zeyong, et al. Soil hydrological characteristics of the degrading meadow in permafrost regions in the Beiluhe River basin[J]. Journal of Glaciology and Geocryology, 2013, 35(4):929-937.[文晶, 王一博, 高泽永, 等. 北麓河流域多年冻土区退化草甸的土壤水文特征分析[J]. 冰川冻土, 2013, 35(4):929-937.]
[20]	Wu Yaqiong, Liu Guohua, Fu Bojie, et al. Study on the vertical distribution of soil organic carbon density in the Tibetan Plateau[J]. Acta Scientiae Circumstantiae, 2008, 28(2):362-367.[吴雅琼, 刘国华, 傅伯杰, 等. 青藏高原土壤有机碳密度垂直分布研究[J]. 环境科学学报, 2008, 28(2):362-367.]
[21]	Cotrufo M F, Soong J L, Horton A J, et al. Formation of soil organic matter via biochemical and physical pathways of litter mass loss[J]. Nature Geoscience, 2015, 8:776-779.
[22]	Schmidt M W I, Torn M S, Abiven S, et al. Persistence of soil organic matter as an ecosystem property[J]. Nature, 2011, 478(7367):49-56.
[23]	Luo Yayong, Meng Qingtao, Zhang Jinghui, et al. Species diversity and biomass in relation to soil properties of alpine meadows in the eastern Tibetan Plateau in different degradation stages[J]. Journal of Glaciology and Geocryology, 2014, 36(5):1298-1305.[罗亚勇, 孟庆涛, 张静辉, 等. 青藏高原东缘高寒草甸退化过程中植物群落物种多样性、生产力与土壤特性的关系[J]. 冰川冻土, 2014, 36(5):1298-1305.]
[24]	Chu Duo, Pubu Ciren, Deji Yangzong, et al. Seasonal dynamics of aboveground biomass of typical grassland types on the Tibetan Plateau[J]. Pratacultural Science, 2013, 30(7):1071-1081.[除多, 普布次仁, 德吉央宗,等. 西藏典型草地地上生物量季节变化特征[J]. 草业科学, 2013, 30(7):1071-1081.]
[25]	Chen Yunsheng, Zhao Lin, Qin Dahe, et al. A preliminary study of the relationships between alpine grassland biomass and environmental factors in the permafrost regions of the Tibetan Plateau[J]. Journal of Glaciology and Geocryology, 2010, 32(2):405-413.[陈生云, 赵林, 秦大河, 等. 青藏高原多年冻土区高寒草地生物量与环境因子关系的初步分析[J]. 冰川冻土, 2010, 32(2):405-413.]
[26]	Gu Zhenkuan, Du Guozhen, Zhu Weixin, et al. Distribution pattern of soil nutrients in different grassland types and soil depths in the eastern Tibetan Plateau[J]. Pratacultural Science, 2012, 29(4):507-512.[顾振宽, 杜国祯, 朱炜歆, 等. 青藏高原东部不同草地类型土壤养分的分布规律[J]. 草业科学, 2012, 29(4):507-512.]
[27]	Huang Deqing, Lan Yu, Zhang Yaosheng, et al. Above-ground biomass and its relationship to soil moisture of natural grassland in the northern slopes of the Qilian Mountains[J]. Acta Prataculturae Sinica, 2011, 20(3):20-27.[黄德青, 于兰, 张耀生, 等. 祁连山北坡天然草地地上生物量及其与土壤水分关系的比较研究[J]. 草业学报, 2011, 20(3):20-27.]
[28]	Jobbágy E G, Jackson R B. The vertical distribution of soil organic carbon and its relation to climate and vegetation[J]. Ecological applications, 2000, 10(2):423-436.
[29]	Gao Zeyong, Wang Yibo, Liu Guohua, et al. Response of soil moisture within the permafrost active layer to different alpine ecosystems[J]. Journal of Glaciology and Geocryology, 2014, 36(4):1002-1010.[高泽永, 王一博, 刘国华, 等. 多年冻土区活动层土壤水分对不同高寒生态系统的响应[J]. 冰川冻土, 2014, 36(4):1002-1010.]
[30]	Mohammat Anwar, Yang Yuanhe, Guo Zhaodi, et al. Carbon contents and its vertical distribution in alpine grasslands in Bayinbulak, middle stretch of the Tianshan Mountains of Xinjiang[J]. Journal of Plant Ecology, 2006, 30(4):545-552.[安尼瓦尔·买买提, 杨元合, 郭兆迪, 等. 新疆天山中段巴音布鲁克高山草地碳含量及其垂直分布[J]. 植物生态学报, 2006, 30(4):545-552.]
[31]	Chang Zongqiang, Ma Yali, Liu Wei, et al. Effect of soil freezing and thawing on the carbon and nitrogen in forest soil in the Qilian Mountains[J]. Journal of Glaciology and Geocryology, 2014, 36(1):200-206.[常宗强, 马亚丽, 刘蔚, 等. 土壤冻融过程对祁连山森林土壤碳氮的影响[J]. 冰川冻土, 2014, 36(1):200-206.]
[32]	Ping C L, Michaelson G J, Jorgenson M T, et al. High stocks of soil organic carbon in the North American Arctic region[J]. Nature Geoscience, 2008, 1(9):615-619.
[33]	Hobbie S E, Schimel J P, Trumbore S E, et al. Controls over carbon storage and turnover in high-latitude soils[J]. Global Change Biology, 2000, 6(S1):196-210.
[34]	Shi Y, Baumann F, Ma Y, et al. Organic and inorganic carbon in the topsoil of the Mongolian and Tibetan grasslands:pattern, control and implications[J]. Biogeosciences, 2012, 9(6):2287-2299.
[35]	Schimel D S, Braswell B H, Holland E A, et al. Climatic, edaphic, and biotic controls over storage and turnover of carbon in soils[J]. Global Biogeochemical Cycles, 1994, 8(3):279-293.
[36]	Wynn J G, Bird M I, Vellen L, et al. Continental-scale measurement of the soil organic carbon pool with climatic, edaphic, and biotic controls[J]. Global Biogeochemical Cycles, 2006, 20(GB1007):1-12.
[37]	Burke I C, Yonker C M, Parton W J, et al. Texture, climate, and cultivation effects on soil organic matter content in US grassland soils[J]. Soil Science Society of America Journal, 1989, 53(3):800-805.