[1] YANG Cao, CHEN Yunming. Ecosystem C∶N∶P stoichiometry and carbon storage in plantations and a secondary forest on the Loess Plateau, China [J]. Ecol Eng, 2017, 105: 125 − 132. doi:  10.1016/j.ecoleng.2017.04.024
[2] WANG Anjing, WANG Wenjie, SU Hongyan, et al. Effect of forest and farm on vertical patterns of soil carbon, nitrogen and other parameters in Northeast China [J]. Bull Bot Res, 2012, 32(3): 331 − 338.
[3] 阎恩荣, 王希华, 郭明, 等. 浙江天童常绿阔叶林、常绿针叶林与落叶阔叶林的C∶N∶P化学计量特征[J]. 植物生态学报, 2010, 34(1): 48 − 57. doi:  10.3773/j.issn.1005-264x.2010.01.008

YAN Enrong, WANG Xihua, GUO Ming, et al. C∶N∶P stoichiometry across evergreen broad-leaved forests, evergreen coniferous forests and deciduous broad-leaved forests in the Tiantong region, Zhejiang Province, eastern China [J]. Chin J Plant Ecol, 2010, 34(1): 48 − 57. doi:  10.3773/j.issn.1005-264x.2010.01.008
[4] FAN Houbao, WU Jianping, LIU Wenfei, et al. Linkages of plant and soil C∶N∶P stoichiometry and their relationships to forest growth in subtropical plantations [J]. Plant Soil, 2015, 392(1/2): 127 − 138.
[5] 崔宁洁, 刘小兵, 张丹桔, 等. 不同林龄马尾松Pinus massoniana人工林碳氮磷分配格局及化学计量特征[J]. 生态环境学报, 2014, 23(2): 188 − 195. doi:  10.3969/j.issn.1674-5906.2014.02.002

CUI Ningjie, LIU Xiaobing, ZHANG Danju, et al. The distribution pattern of carbon, nitrogen and phosphorus and the stoichiometry characteristics of Pinus massoniana plantation in different ages [J]. Ecol Environ Sci, 2014, 23(2): 188 − 195. doi:  10.3969/j.issn.1674-5906.2014.02.002
[6] 曹娟, 闫文德, 项文化, 等. 湖南会同3个林龄杉木人工林土壤碳、氮、磷化学计量特征[J]. 林业科学, 2015, 51(7): 1 − 8.

CAO Juan, YAN Wende, XIANG Wenhua, et al. Stoichiometry characterization of soil C, N, and P of Chinese fir plantations at three different ages in Huitong, Hunan Province, China [J]. Sci Silv Sin, 2015, 51(7): 1 − 8.
[7] 雷丽群, 卢立华, 农友, 等. 不同林龄马尾松人工林土壤碳氮磷生态化学计量特征[J]. 林业科学研究, 2017, 30(6): 954 − 960.

LEI Liqun, LU Lihua, NONG You, et al. Stoichiometry characterization of soil C, N and P of Pinus massoniana plantations at different age stages [J]. For Res, 2017, 30(6): 954 − 960.
[8] 曾凡鹏, 迟光宇, 陈欣, 等. 辽东山区不同林龄落叶松人工林土壤-根系C∶N∶P生态化学计量特征[J]. 生态学杂志, 2016, 35(7): 1819 − 1825.

ZENG Fanpeng, CHI Guangyu, CHEN Xin, et al. The stoichiometric characteristics of C, N and P in soil and root of larch (Larix spp.) plantation at different stand ages in mountainous region of eastern Liaoning Province, China [J]. Chin J Ecol, 2016, 35(7): 1819 − 1825.
[9] 程晓建, 黎章矩, 喻卫武, 等. 榧树的资源分布与生态习性[J]. 浙江林学院学报, 2007, 24(4): 383 − 388.

CHENG Xiaojian, LI Zhangju, YU Weiwu, et al. Distribution and ecological characteristics of Torreya grandis in China [J]. J Zhengjiang For Coll, 2007, 24(4): 383 − 388.
[10] 江波, 周先容, 尚进, 等. 中国特有植物巴山榧树的种群结构与动态[J]. 生态学报, 2018, 38(3): 1016 − 1027.

JIANG Bo, ZHOU Xianrong, SHANG Jin, et al. Population structure and dynamics of Torreya fargesii Franch., a plant endemic to China [J]. Acta Ecol Sin, 2018, 38(3): 1016 − 1027.
[11] 吴连海, 吴黎明, 倪荣新, 等. 香榧栽培经济效益分析[J]. 浙江农林大学学报, 2013, 30(2): 299 − 303. doi:  10.11833/j.issn.2095-0756.2013.02.023

WU Lianhai, WU Liming, NI Rongxin, et al. Economic benefits of Torreya grandis ‘Merrillii’ plantings [J]. J Zhejiang A&F Univ, 2013, 30(2): 299 − 303. doi:  10.11833/j.issn.2095-0756.2013.02.023
[12] 张雨洁, 王斌, 李正才, 等. 不同树龄香榧土壤有机碳特征及其与土壤养分的关系[J]. 西北植物学报, 2018, 38(8): 149 − 157.

ZHANG Yujie, WANG Bin, LI Zhengcai, et al. Relationships between soil organic carbon characteristics and soil nutrients for different tree-age Torreya grandis [J]. Acta Bot Boreali-Occident Sin, 2018, 38(8): 149 − 157.
[13] 原雅楠, 李正才, 王斌, 等. 榧树种内C、N、P生态化学计量特征研究[J]. 林业科学研究, 2019, 32(6): 73 − 79.

YUAN Ya’nan, LI Zhengcai, WANG Bin, et al. Stoichiometric characteristics of C, N and P in different varieties of Torreya grandis [J]. For Res, 2019, 32(6): 73 − 79.
[14] 鲁如坤. 土壤农业化学分析方法[M]. 北京: 中国农业科技出版社, 2000.
[15] 张芸, 李惠通, 张辉, 等. 不同林龄杉木人工林土壤C∶N∶P化学计量特征及其与土壤理化性质的关系[J]. 生态学报, 2019, 39(7): 2520 − 2531.

ZHANG Yun, LI Huitong, ZHANG Hui, et al. C∶N∶P stoichiometry and its relationship with the soil physicochemical properties of different aged Chinese fir (Cunninghamia lanceolata) plantations [J]. Acta Ecol Sin, 2019, 39(7): 2520 − 2531.
[16] 杨好运, 贾国梅, 杜祥运, 等. 不同林龄柑橘园碳氮磷分配及生态化学计量特征研究[J]. 湖北农业科学, 2016, 55(6): 1402 − 1405.

YANG Haoyun, JIA Guomei, DU Xiangyun, et al. Study on the distribution of carbon, nitrogen and phosphorus and the ecological stoichiometry in citrus plantation of different stand age [J]. Hubei Agric Sci, 2016, 55(6): 1402 − 1405.
[17] 胡士达. 不同林龄闽楠人工林生态化学计量特征研究[D]. 长沙: 中南林业科技大学, 2017.

HU Shida. Studies on Ecological Stoichiometry of Phoebe Plantation in Different Ages[D]. Changsha: Central South University of Forestry and Technology, 2017.
[18] 陈东升, 孙晓梅, 张守攻. 不同年龄日本落叶松人工林生物量、碳储量及养分特征[J]. 应用生态学报, 2016, 27(12): 3759 − 3768.

CHEN Dongsheng, SUN Xiaomei, ZHANG Shougong. Biomass, carbon storage and nutrient characteristics in Larix kaempferi plantations at different stand ages [J]. Chin J Appl Ecol, 2016, 27(12): 3759 − 3768.
[19] 苗娟, 周传艳, 李世杰, 等. 不同林龄云南松林土壤有机碳和全氮积累特征[J]. 应用生态学报, 2014, 25(3): 625 − 631.

MIAO Juan, ZHOU Chuanyan, LI Shijie, et al. Accumulation of soil organic carbon and total nitrogen in Pinus yunnanensis forests at different age stages [J]. Chin J Appl Ecol, 2014, 25(3): 625 − 631.
[20] 许宇星, 王志超, 竹万宽, 等. 雷州半岛不同林龄桉树人工林土壤化学计量特征[J]. 云南农业大学学报(自然科学版), 2019, 34(3): 124 − 131.

XU Yuxing, WANG Zhichao, ZHU Wankuan, et al. Soil ecological stoichiometric characteristics of Eucalyptus urophylla×E. grandis in different ages on the Leizhou Peninsula [J]. J Yunnan Agric Univ Nat Sci, 2019, 34(3): 124 − 131.
[21] 曹娟, 闫文德, 项文化, 等. 湖南会同不同年龄杉木人工林土壤磷素特征[J]. 生态学报, 2014, 34(22): 6519 − 6527.

CAO Juan, YAN Wende, XIANG Wenhua, et al. Characteristics of soil phosphorus in different aged stands of Chinese fir plantations in Huitong, Hunan Province [J]. Acta Ecol Sin, 2014, 34(22): 6519 − 6527.
[22] MAJDA H, OHRVIK J. Interactive effects of soil warming and fertilization on root production, mortality in Norway spruce stand in Northern Sweden [J]. Global Change Biol, 2004, 10(2): 182 − 188. doi:  10.1111/j.1365-2486.2004.00733.x
[23] BATJES N H. Total carbon and nitrogen in the soils of the world [J]. Eur J Soil Sci, 1996, 47(2): 151 − 163. doi:  10.1111/j.1365-2389.1996.tb01386.x
[24] NCUFCLDT H, DA SILVA J E, AYARZA M A, et al. Land-use effects on phosphorus fractions in Cerrado oxisols [J]. Biol Fertil Soils, 2000, 31(1): 30 − 37. doi:  10.1007/s003740050620
[25] BENGTSSON G, BENGTSON P, MANSSON K F. Gross nitrogen mineralization, immobilization, and nitrification rates as a function of soil C/N ratio and microbial activity [J]. Soil Biol Biochem, 2003, 35(1): 143 − 154. doi:  10.1016/S0038-0717(02)00248-1
[26] 曹小玉, 李际平, 杨静, 等. 不同龄组杉木林土壤碳、氮、磷的生态化学计量特征[J]. 土壤, 2019, 51(2): 290 − 296.

CAO Xiaoyu, LI Jiping, YANG Jing, et al. Stoichiometric characterization of soil C, N, and P of different age-group Chinese fir plantations [J]. Soils, 2019, 51(2): 290 − 296.
[27] YANG Yuanhe, LUO Yiqi, FINZI A C. Carbon and nitrogen dynamics during forest stand development: a global synthesis [J]. New Phytol, 2011, 190(4): 977 − 989. doi:  10.1111/j.1469-8137.2011.03645.x
[28] YANG Yuanhe, FANG Jingyun, GUO Dali, et al. Vertical patterns of soil carbon, nitrogen and carbon: nitrogen stoichiometry in Tibetan grasslands [J]. Biogeosci Discuss, 2010, 7(1): 1 − 24. doi:  10.5194/bg-7-1-2010
[29] 王绍强, 于贵瑞. 生态系统碳氮磷元素的生态化学计量学特征[J]. 生态学报, 2008, 28(8): 3937 − 3947. doi:  10.3321/j.issn:1000-0933.2008.08.054

WANG Shaoqiang, YU Guirui. Ecological stoichiometry characteristics of ecosystem carbon, nitrogen and phosphorus elements [J]. Acta Ecol Sin, 2008, 28(8): 3937 − 3947. doi:  10.3321/j.issn:1000-0933.2008.08.054
[30] TIAN Hanqin, CHEN Guangsheng, CHI Zhang, et al. Pattern and variation of C∶N∶P ratios in China’s soils: a synthesis of observational data [J]. Biogeochemistry, 2010, 98(1 − 3): 139 − 151. doi:  10.1007/s10533-009-9382-0
[31] TESSIER J T, RAYNAL D J. Use of nitrogen to phosphorus ratios in plant tissue as an indicator of nutrient limitation and nitrogen saturation [J]. J Appl Ecol, 2003, 40: 523 − 534. doi:  10.1046/j.1365-2664.2003.00820.x
[32] YANG Cao, CHEN Yunming. Coupling of plant and soil C∶N∶P stoichiometry in black locust (Robinia pseudoacacia) plantations on the Loess Plateau, China [J]. Trees, 2017, 31: 1559 − 1570. doi:  10.1007/s00468-017-1569-8
[33] HUANG Wenjuan, LIU Juxiu, WANG Yingping, et al. Increasing phosphorus limitation along three successional forests in southern China [J]. Plant Soil, 2013, 364(1/2): 181 − 191.
[34] 任悦, 高广磊, 丁国栋, 等. 沙地樟子松人工林叶片-枯落物-土壤氮磷化学计量特征[J]. 应用生态学报, 2019, 30(3): 36 − 43.

REN Yue, GAO Guanglei, DING Guodong, et al. Stoichiometric characteristics of nitrogen and phosphorus in leaf-litter-soil system of Pinus sylvestris var. mongolica plantations [J]. Chin J Appl Ecol, 2019, 30(3): 36 − 43.