[1] DAVIDSON E A, TRUMBORE S E, AMUNDSON R. Biogeochemistry:soil warming and organic carbon content[J].Nature, 2000, 408(6814):789-790.
[2] LETTENS S, van ORSHOVEN J, van WESEMAEL B, et al. Stocks and fluxes of soil organic carbon for landscape units in Belgium derived from heterogeneous data sets for 1990 and 2000[J]. Geoderma, 2005, 127(1):11-23.
[3] 魏亚伟, 于大炮, 王清君, 等.东北林区主要森林类型土壤有机碳密度及其影响因素[J].应用生态学报, 2013, 24(12):3333-3340

WEI Yawei, YU Dapao, WANG Qingjun, et al. Soil organic carbon density and its influencing factors of major forest types in the forest region of Northeast China[J]. Chin J Appl Ecol, 2013, 24(12):3333-3340.
[4] 刘伟, 程积民, 陈芙蓉, 等.黄土高原中部草地土壤有机碳密度特征及碳储量[J].草地学报, 2011, 19(3):425-431.

LIU Wei, CHENG Jimin, CHEN Furong, et al. Characteristic of organic carbon density and organic carbon storage in the natural grassland of Center Loess Plateau[J]. Acta Agrestia Sin, 2011, 19(3):425-431.
[5] AJAMI M, HEIDARI A, KHORMALI F, et al. Environmental factors controlling soil organic carbon storage in loess soils of a subhumid region, northern Iran[J]. Geoderma, 2016, 281:1-10.
[6] PAGELLA T F. Soil organic carbon density in Hebei Province, China:estimates and uncertainty[J]. Pedosphere, 2005, 15(3):293-300.
[7] 解宪丽, 孙波, 周慧珍, 等.中国土壤有机碳密度和储量的估算与空间分布分析[J].土壤学报, 2004, 41(1):35-43.

XIE Xianli, SUN Bo, ZHOU Huizhen, et al. Organic carbon density and storage in soils of China and spatial analysis[J]. Acta Pedol Sin, 2004, 41(1):35-43.
[8] 程先富, 谢勇.基于GIS的安徽省土壤有机碳密度的空间分布特征[J].地理科学, 2009, 29(4):540-544.

CHENG Xianfu, XIE Yong. Spatial distribution of soil organic carbon density in Anhui Province based on GIS[J]. Geogr Sci, 2009, 29(4):540-544.
[9] 郝瑞军, 方海兰, 沈烈英.上海城市绿地土壤有机碳、全氮分布特征[J].南京林业大学学报(自然科学版), 2011, 35(6):49-52.

HAO Ruijun, FANG Hailan, SHEN Lieying. Distribution characteristics of soil organic carbon and total nitrogen in greenbelt soil in Shanghai center city[J]. J Nanjing For Univ Nat Sci Ed, 2011, 35(6):49-52.
[10] 鲍士旦.土壤农化分析[M].北京:中国农业出版社, 2000.
[11] 周莉, 李保国, 周广胜.土壤有机碳的主导影响因子及其研究进展[J].地球科学进展, 2005, 20(1):99-105.

ZHOU Li, LI Baoguo, ZHOU Guangsheng. Advances in controlling factors of soil organic carbon[J]. Adv Earth Sci, 2005, 20(1):99-105.
[12] PREGITZER K S, EUSKIRCHEN ES. Carbon cycling and storage in world forests:biome patterns related to forest age[J]. Global Change Biol, 2004, 10(12):2052-2077.
[13] JOBBÁGY E G, JACKSON R B. The vertical distribution of soil organic carbon and it's relation to climate and vegetation[J]. Ecol Appl, 2000, 10(2):423-436.
[14] 熊勇, 许光勤, 吴兰.混合凋落物分解非加和性效应研究进展[J].环境科学与技术, 2012, 35(9):56-60, 120.

XIONG Yong, XU Guangqin, WU Lan. Progress on non-additive effects of mixed litter decomposition[J]. Environ Sci Technol, 2012, 35(9):56-60, 120.
[15] 潘伟.重庆铁山坪的森林健康及石灰改良作用[D].重庆: 西南大学, 2008.

PAN Wei. The Forest Health and the Technique of Limestone Improvement on Acid Soil in Tieshanping, Chongqing[D]. Chongqing: Southwest University, 2008.
[16] 董彩霞, 姜海波, 赵静文, 等.我国主要梨园施肥现状分析[J].土壤, 2012, 44(5):754-761.

DONG Caixia, JIANG Haibo, ZHAO Jingwen, et al. Current fertilization in pear orchards in China[J]. Soils, 2012, 44(5):754-761.
[17] 周艳翔, 吕茂奎, 谢锦升, 等.深层土壤有机碳的来源、特征与稳定性[J].亚热带资源与环境学报, 2013, 8(1):48-55.

ZHOU Yanxiang, LÜ Maokui, XIE Jinsheng, et al. Sources, characteristics and stability of organic carbon in deep soil[J]. J Subtrop Resour Environ, 2013, 8(1):48-55.
[18] 史利江, 郑丽波, 张卫国, 等.上海土壤有机碳储量及其空间分布特征[J].长江流域资源与环境, 2010, 19(12):1442-1447.

SHI Lijiang, ZHENG Libo, ZHANG Weiguo, et al. Reserves and spatial distribution characteristics of soil organic carbon in Shanghai City[J]. Resour Environ Yangtze Basin, 2010, 19(12):1442-1447.
[19] 解宪丽, 孙波, 周慧珍, 等.不同植被下中国土壤有机碳的储量与影响因子[J].土壤学报, 2004, 41(5):687-699.

XIE Xianli, SUN Bo, ZHOU Huizhen, et al. Soil carbon stocks and their influencing factors under native vegetations in China[J]. Acta Pedol Sin, 2004, 41(5):687-699.
[20] 申广荣, 葛晓烨, 黄秀梅.上海崇明岛表层土壤有机碳密度的空间分布特征及碳储量估算[J].上海交通大学学报(农业科学版), 2011, 29(6):61-66.

SHEN Guangrong, GE Xiaoye, HUANG Xiumei. Spatial distribution of topsoil organic carbon density and assessment of its reserves in Chongming Island, Shanghai[J]. J Shanghai Jiaotong Univ Agric Sci, 2011, 29(6):61-66.
[21] 孙艳丽, 马建华, 李灿.开封市城市土壤有机碳含量和密度的变化分析[J].河南大学学报(自然科学版), 2008, 38(5):491-496.

SUN Yanli, MA Jianhua, LI Can. Variations of the content and density of urban soil organic carbon in Kaifeng City[J]. J Henan Univ Nat Sci, 2008, 38(5):491-496.
[22] 范晓晖, 王德彩, 孙孝林, 等.南宁市桉树人工林土壤有机碳密度与地形因子的关系[J].生态学报, 2016, 36(13):4074-4080.

FAN Xiaohui, WANG Decai, SUN Xiaolin, et al. Relationships between soil organic carbon density of Eucalyptus plantations and terrain factors in Nanning[J]. Acta Ecol Sin, 2016, 36(13):4074-4080.
[23] 赵敏, 胡静, 汤庆合.上海地区土壤碳汇功能评估[J].环境监测管理与技术, 2012, 24(5):17-22.

ZHAO Min, HU Jing, TANG Qinghe. Evaluation of soil carbon sinks in Shanghai[J]. Administration Tech Environ Monit, 2012, 24(5):17-22.
[24] 黄中秋, 傅伟军, 周国模, 等.浙江省森林土壤有机碳密度空间变异特征及其影响因素[J].土壤学报, 2014, 51(4):906-913.

HUANG Zhongqiu, FU Weijun, ZHOU Guomo, et al. Characteristics of spatial variation of organic carbon density in forest soil and their affecting factors in Zhejiang Province[J]. Acta Pedol Sin, 2014, 51(4):906-913.
[25] 程小琴.山西太岳山油松人工林土壤碳特征对林分密度调控响应的研究[D].北京: 北京林业大学, 2014.

CHENG Xiaoqin. Responses of Soil Carbon Character to Tree Density in Pinus tabulaeformis Plantations in Mt. Taiyue, Shanxi, China[D]. Beijing: Beijing Forestry University, 2014.
[26] 杜有新, 吴从建, 周赛霞, 等.庐山不同海拔森林土壤有机碳密度及分布特征[J].应用生态学报, 2011, 22(7):1675-1681.

DU Youxin, WU Congjian, ZHOU Saixia, et al. Forest soil organic carbon density and its distribution characteristics along an altitudinal gradient in Lushan Mountains of China[J]. Chin J Appl Ecol, 2011, 22(7):1675-1681.
[27] 方运霆, 莫江明, BROWN S, 等.鼎湖山自然保护区土壤有机碳贮量和分配特征[J].生态学报, 2004, 24(1):135-142.

FANG Yunting, MO Jangming, BROWN S, et al. Storage and distribution of soil organic carbon in Dinghushan Biosphere Reserve[J]. Acta Ecol Sin, 2004, 24(1):135-142.
[28] 竹万宽, 陈少雄, ARNOLD R, 等.不同种桉树人工林土壤呼吸速率时空动态及其影响要素[J].浙江农林大学学报, 2018, 35(3):412-421.

ZHU Wankuan, CHEN Shaoxiong, ARNOLD R, et al. Temporal and spatial dynamics of soil respiration and influencing factors in Eucalyptus plantations[J]. J Zhejiang A&F Univ, 2018, 35(3):412-421.
[29] 戴万宏, 黄耀, 武丽, 等.中国地带性土壤有机质含量与酸碱度的关系[J].土壤学报, 2009, 46(5):851-860.

DAI Wanhong, HUANG Yao, WU Li, et al. Relationships between soil organic matter content (SOM) and pH in topsoil of zonal soils in China[J]. Acta Pedol Sin, 2009, 46(5):851-860.
[30] 郭志华, 张莉, 郭彦茹, 等.海南清澜港红树林湿地土壤有机碳分布及其与pH的关系[J].林业科学, 2014, 50(10):8-15.

GUO Zhihua, ZHANG Li, GUO Yanru, et al. Soil carbon sequestration and its relationship with soil pH in Qinglangang Mangrove Wetlands in Hainan Island[J]. Sci Silv Sin, 2014, 50(10):8-15.
[31] 李丹, 刘铁男, 王文帆, 等.丰林自然保护区土壤有机碳含量与土壤理化性质相关性分析[J].林业科技, 2012, 37(5):25-26.

LI Dan, LIU Tienan, WANG Wenfan, et al. Distribution of soil organic carbon and its relationship with soil physicochemical properties in Fenglin Nature Reserve[J]. For Sci Technol, 2012, 37(5):25-26.
[32] 吕秀华.东北羊草草原不同生境土壤微生物与土壤理化性质关系研究[D].长春: 东北师范大学, 2003. LÜ

Xiuhua. Study on the Relationship Between Soil Microorganisms and Soil Physicochemical Properties in Different Habitats of Leymus chinensis Grassland in Northeast China[D]. Changchun: Northeast Normal University, 2003.
[33] 侯浩, 张宋智, 关晋宏, 等.小陇山不同林龄锐齿栎林土壤有机碳和全氮积累特征[J].生态学报, 2016, 36(24):8025-8033.

HOU Hao, ZHANG Songzhi, GUAN Jinhong, et al. Accumulation of soil organic carbon and total nitrogen in Quercus aliena var. acuteserrata forests at different age stages in the Xiaolongshan Mountains, Gansu Province[J]. Acta Ecol Sin, 2016, 36(24):8025-8033.
[34] 张慧东, 尤文忠, 魏文俊, 等.辽东山区原始红松林土壤理化性质及其与土壤有机碳的相关性分析[J].西北农林科技大学学报(自然科学版), 2017, 45(1):82-88.

ZHANG Huidong, YOU Wenzhong, WEI Wenjun, et al. Soil physical and chemical properties and correlation with organic carbon in original Korean pine forest in Eastern Liaoning mountainous area[J]. J Northwest Univ A & F Sci Technol Nat Sci Ed, 2017, 45(1):82-88.