基于贝叶斯模型MixSIAR的不同水同位素输入方法对苹果园吸水特征分析结果的影响

doi:10.17521/cjpe.2021.0472

植物生态学报 ›› 2023, Vol. 47 ›› Issue (2): 238-248.DOI: 10.17521/cjpe.2021.0472

所属专题：稳定同位素生态学

基于贝叶斯模型MixSIAR的不同水同位素输入方法对苹果园吸水特征分析结果的影响

路晨曦¹, 徐漫¹, 石学瑾¹, 赵成¹, 陶泽¹, 李敏¹^,^*(), 司炳成¹^,²

¹西北农林科技大学旱区农业水土工程教育部重点实验室, 陕西杨凌 712100
²Department of Soil Science, University of Saskatchewan, Saskatoon S7N5A8, Canada

收稿日期:2021-12-14 接受日期:2022-07-06 出版日期:2023-02-20 发布日期:2023-02-28
通讯作者: *(limin2016@nwafu.edu.cn)
基金资助:
国家自然科学基金(41601222);国家自然科学基金(41630860)

Effects of different water isotope input methods based on Bayesian model MixSIAR on water uptake characteristic analysis results in apple orchards

LU Chen-Xi¹, XU Man¹, SHI Xue-Jin¹, ZHAO Cheng¹, TAO Ze¹, LI Min¹^,^*(), SI Bing-Cheng¹^,²

¹Key Laboratory of Agricultural Soil and Water Engineering in Arid and Semiarid Areas, Ministry of Education, Northwest A&F University, Yangling, Shaanxi 712100, China
²Department of Soil Science, University of Saskatchewan, Saskatoon S7N5A8, Canada

Received:2021-12-14 Accepted:2022-07-06 Online:2023-02-20 Published:2023-02-28
Contact: *(limin2016@nwafu.edu.cn)
Supported by:
National Natural Science Foundation of China(41601222);National Natural Science Foundation of China(41630860)

摘要/Abstract

摘要：

准确量化浅、中、深3层土壤水源对植物根系吸水的贡献是明确植物水分利用策略的前提。为探究同位素混合模型MixSIAR中不同水同位素输入方法对预估植物水分来源的影响, 该研究于2019年5-9月在陕西长武塬区对7年和18年苹果园共进行5次土壤和植物木质部取样, 测定对应样品水同位素比值(δ²H、δ¹⁸O)和土壤含水量, 并分别利用基于单同位素(²H、¹⁸O)、双同位素(²H & ¹⁸O)和经木质部氢同位素校正后双同位素(²H(+8.1) & ¹⁸O)输入的MixSIAR模型计算了根区不同土层(0-0.4、0.4-2、>2 m根系深度)土壤水对苹果(Malus pumila)树根系吸水的贡献率。结果表明: 与²H单同位素方法相比, 利用¹⁸O单同位素方法得到的2 m以下深层土壤水的贡献率更低, 而表层(0-0.4 m)土壤水的贡献率更高, 且更接近于²H(+8.1) & ¹⁸O同位素方法。与²H & ¹⁸O双同位素方法相比, 利用²H(+8.1) & ¹⁸O方法得到的表层土壤水的贡献率在表层土壤水同位素值富集时较高, 在表层土壤水同位素值贫化时较低。苹果树木质部氢同位素校正后更靠近于土壤水同位素所在的蒸发线, 因而相比于²H和²H & ¹⁸O, ¹⁸O和²H(+8.1) & ¹⁸O分析方法更符合根系吸水过程同位素质量守恒定律。与7年苹果园相比, 18年苹果园浅层(0-2 m)土壤水的季节性变异更大, 对表层土壤水的依赖更强。对于7年和18年苹果园, 深层土壤水对其根系吸水贡献率的年平均值为19%和23%, 两者无显著性差异。综上, 建议今后在利用水稳定同位素研究植物水分来源时要进一步明确不同水同位素输入方法对植物水源划分分析结果的影响。

关键词: 氢稳定同位素, 氧稳定同位素, MixSIAR, 木质部氢同位素校正, 长武塬区, 苹果园

Abstract:

Aims Accurately quantifying the contribution of shallow, middle and deep soil water sources to the root water uptake is the prerequisite for understanding water uptake strategy of plants. This paper evaluates the effects of different water isotopes input methods on plant water sources analysis results in Bayesian mixing model MixSIAR.

Methods Soil and plant xylem samples were taken five times from May to September in 2019 in two apple (Malus pumila) orchards at 7- and 18-year age in Changwu Tableland of Shaanxi Province. Soil water contents and isotope ratios (δ²H and δ¹⁸O) were measured, and the different input methods of single isotope (²H and ¹⁸O), dual isotopes (²H & ¹⁸O) and xylem hydrogen corrected dual isotopes (²H(+8.1) & ¹⁸O) coupled with MixSIAR model were used to estimate the contribution ratio of different soil layers (0-0.4, 0.4-2, >2 m root depth) to orchards root water uptake.

Important findings The results showed that compared to the ²H isotope method, the contribution from soil layer below 2 m was lower and that from the surface 0-0.4 m was higher using the ¹⁸O isotope method, which was close to the ²H(+8.1) & ¹⁸O isotope method. Compared with ²H & ¹⁸O dual isotopes method, the contribution ratio from surface 0-0.4 m soil layer was higher using the ²H(+8.1) & ¹⁸O method when the surface soil water isotope was enriched, and that was lower when the surface soil water isotope was depleted. The corrected apple xylem hydrogen isotopes were closer to the evaporation line of soil water isotopes, thus the analysis methods of ¹⁸O and ²H(+8.1) & ¹⁸O accorded more with the isotope mass balance during root water uptake than ²H and ²H & ¹⁸O methods. Soil water contents in 0-2 m in 18 years old apple orchard showed greater seasonal variation than that in 7 years old apple orchard, and are more dependent on 0-0.4 m surface soil water. For the root water uptakes in 7- and 18-year apple orchard, the yearly-averaged contributions of deep soil water were 19% and 23%, respectively, showing no significant difference. We suggest that more attention should be drawn on the influence of different isotope input methods when using water stable isotopes to estimate plant water sources contribution in future studies.

Key words: stable hydrogen isotope, stable oxygen isotope, MixSIAR, xylem hydrogen isotope correction, Changwu Tableland, apple orchard

路晨曦, 徐漫, 石学瑾, 赵成, 陶泽, 李敏, 司炳成. 基于贝叶斯模型MixSIAR的不同水同位素输入方法对苹果园吸水特征分析结果的影响. 植物生态学报, 2023, 47(2): 238-248. DOI: 10.17521/cjpe.2021.0472

LU Chen-Xi, XU Man, SHI Xue-Jin, ZHAO Cheng, TAO Ze, LI Min, SI Bing-Cheng. Effects of different water isotope input methods based on Bayesian model MixSIAR on water uptake characteristic analysis results in apple orchards. Chinese Journal of Plant Ecology, 2023, 47(2): 238-248. DOI: 10.17521/cjpe.2021.0472

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链接本文: https://www.plant-ecology.com/CN/10.17521/cjpe.2021.0472

https://www.plant-ecology.com/CN/Y2023/V47/I2/238

图/表 6

图1 长武样地采样期间降水量(P)及其降水同位素比值(δ2H、δ18O)分布。A中灰色箭头表示采样时间。

Fig. 1 Precipitation (P) and the precipitation isotope ratio (δ2H, δ18O) distribution during the sampling periods in Changwu. In A, the gray arrows represent the sampling time.

图2 长武7年(A)、18年(B)苹果园细根根长密度剖面分布。

Fig. 2 Profile distribution of fine root length density in 7- (A) and 18-year (B) apple orchards in Changwu.

图3 长武7年(A)、18年(B)苹果园不同采样时期土壤含水量剖面分布。

Fig. 3 Profile distribution of soil water contents in 7- (A) and 18-year (B) apple orchards at different sampling periods in Changwu.

图4 长武7年(A)、18年(B)苹果园不同土层土壤平均含水量季节变化(平均值±标准差)。7年、18年苹果园根系深度分别为8和21 m, 因此取样深度分别到8和21 m。

Fig. 4 Seasonal variations of average soil water contents in different soil layers in 7- (A) and 18-year (B) apple orchards (mean ± SD) in Changwu. The root depths of the 7- and 18-year apple orchards were 8 and 21 m, respectively, therefore the sampling depths were 8 and 21 m, respectively.

图5 长武7年(A)、18年(B)苹果园各取样时期不同土层土壤水和木质部水同位素比值分布(平均值±标准差)。LMWL, 当地大气降水线(δ2H = 6.98δ18O + 2.34)。δ2H, 氢稳定同位素比值; δ18O, 氧稳定同位素比值。

Fig. 5 Distribution of soil water isotope ratios in different soil layers and xylem water isotope ratios in 7- (A) and 18-year (B) apple orchards at different sampling dates in Changwu (mean ± SD). LMWL, the local meteoric water line (δ2H = 6.98δ18O + 2.34). δ2H, stable hydrogen isotope ratio; δ18O, stable oxygen isotope ratio.

图6 不同水同位素输入方法分析不同时期不同土层土壤水对长武7年(A)、18年(B)苹果园根系吸水的贡献率(平均值±标准差)。I, 单同位素(2H); II, 单同位素(18O); III, 双同位素(2H & 18O); IV, 木质部同位素校正后双同位素(2H(+8.1) & 18O)。

Fig. 6 Different water isotope input methods analyzing soil water contribution for 7- (A) and 18-year (B) apple orchards root water uptake in Changwu (mean ± SD). I, single isotope (2H); II, single isotope (18O); III, dual isotopes (2H & 18O); IV, dual isotopes (2H(+8.1) & 18O).

参考文献 32

[1]	Allen ST, Kirchner JW (2021). Potential effects of cryogenic extraction biases on inferences drawn from xylem water deuterium isotope ratios: case studies using stable isotopes to infer plant water sources. Hydrology and Earth System Sciences. DOI: 10.5194/hess-2020-683. DOI
[2]	Barbeta A, Burlett R, Martín-Gómez P, Fréjaville B, Devert N, Wingate L, Domec J, Ogée J (2021). Evidence for distinct isotopic compositions of sap and tissue water in tree stems: consequences for plant water source identification. New Phytologist, 233, 1121-1132. DOI PMID
[3]	Bennett AC, McDowell NG, Allen CD, Anderson-Teixeira KJ (2015). Larger trees suffer most during drought in forests worldwide. Nature Plants, 1, 1-5.
[4]	Broedel E, Tomasella J, Candido LA, Von Randow C (2017). Deep soil water dynamics in an undisturbed primary forest in central Amazonia: differences between normal years and the 2005 drought. Hydrological Processes, 31, 1749-1759. DOI URL
[5]	Brooks JR (2015). Water, bound and mobile. Science, 349, 138-139. DOI PMID
[6]	Chen Y, Helliker BR, Tang X, Li F, Zhou Y, Song X (2020). Stem water cryogenic extraction biases estimation in deuterium isotope composition of plant source water. Proceedings of the National Academy of Sciences of the United States of America, 117, 33345-33350. DOI PMID
[7]	David TS, Pinto CA, Nadezhdina N, David JS (2016). Water and forests in the Mediterranean hot climate zone: a review based on a hydraulic interpretation of tree functioning. Forest Systems, 25, eR02. DOI: 10.5424/fs/2016252-08899. DOI
[8]	Fu QY, Liu TX, Duan LM, Wang GL, Cao WM, Huang TY (2019). Oxygen stable isotopic analysis on water use strategy of Caragana microphylla in different ages. Chinese Journal of Ecology, 38, 1570-1579.
	[付青云, 刘廷玺, 段利民, 王冠丽, 曹文梅, 黄天宇 (2019). 基于稳定性氧同位素分析不同树龄小叶锦鸡儿用水策略. 生态学杂志, 38, 1570-1579.]
[9]	Grossiord C, Sevanto S, Dawson TE, Adams HD, Collins AD, Dickman LT, Newman BD, Stockton EA, McDowell NG (2017). Warming combined with more extreme precipitation regimes modifies the water sources used by trees. New Phytologist, 213, 584-596. DOI PMID
[10]	Kerhoulas LP, Kolb TE, Koch GW (2013). Tree size, stand density, and the source of water used across seasons by ponderosa pine in northern Arizona. Forest Ecology and Management, 289, 425-433. DOI URL
[11]	Li H, Si B, Wu P, McDonnell JJ (2019). Water mining from the deep critical zone by apple trees growing on loess. Hydrological Processes, 33, 320-327. DOI
[12]	Li Y, Ma Y, Song XF, Wang LX, Han DM (2021). A δ²H offset correction method for quantifying root water uptake of riparian trees. Journal of Hydrology, 593, 125811. DOI: 10.1016/j.jhydrol.2020.125811. DOI
[13]	Lu Y, Si B, Li H, Biswas A (2019). Elucidating controls of the variability of deep soil bulk density. Geoderma, 348, 146-157. DOI
[14]	Orlowski N, Breuer L, McDonnell JJ (2016a). Critical issues with cryogenic extraction of soil water for stable isotope analysis. Ecohydrology, 9, 1-5.
[15]	Orlowski N, Frede HG, Brüggemann N, Breuer L (2013). Validation and application of a cryogenic vacuum extraction system for soil and plant water extraction for isotope analysis. Journal of Sensors and Sensor Systems, 2, 179-193. DOI URL
[16]	Orlowski N, Pratt D, Mcdonnell JJ (2016b). Intercomparison of soil pore water extraction methods for stable isotope analysis. Hydrological Processes, 30, 3434-3449. DOI URL
[17]	Rothfuss Y, Javaux M (2017). Reviews and syntheses: isotopic approaches to quantify root water uptake: a review and comparison of methods. Biogeosciences, 14, 2199-2224. DOI URL
[18]	Song X, Gao X, Wu P, Zhao X, Zhang W, Zou Y, Siddique KHM (2020). Drought responses of profile plant-available water and fine-root distributions in apple (Malus pumila Mill.) orchards in a loessial, semi-arid, hilly area of China. Science of the Total Environment, 723, 137739. DOI: 10.1016/j.scitotenv.2020.137739. DOI
[19]	Tang YK, Wu X, Chen YM, Wen J, Xie YL, Lu SB (2018). Water use strategies for two dominant tree species in pure and mixed plantations of the semiarid Chinese Loess Plateau. Ecohydrology, 11, e1943. DOI: 10.1002/eco.1943. DOI
[20]	Tao Z, Neil E, Si BC (2021). Determining deep root water uptake patterns with tree age in the Chinese loess area. Agricultural Water Management, 249, 106810. DOI: 10.1016/j.agwat.2021.106810. DOI
[21]	van Genuchten MT (1980). A closed-form equation for predicting the hydraulic conductivity of unsaturated soils. Soil Science Society of America Journal, 44, 892-898. DOI URL
[22]	Vargas AI, Schaffer B, Li YH, Sternberg LDSL (2017). Testing plant use of mobile vs immobile soil water sources using stable isotope experiments. New Phytologist, 215, 582-594. DOI PMID
[23]	Wang D, Wang L (2017). Dynamics of evapotranspiration partitioning for apple trees of different ages in a semiarid region of northwest China. Agricultural Water Management, 191, 1-15. DOI URL
[24]	Wang J, Lu N, Fu BJ (2019). Inter-comparison of stable isotope mixing models for determining plant water source partitioning. Science of the Total Environment, 666, 685-693. DOI URL
[25]	Wang S, An J, Zhao X, Gao X, Wu P, Huo G, Robinson BH (2020). Age- and climate-related water use patterns of apple trees on China’s Loess Plateau. Journal of Hydrology, 82, 124462. DOI: 10.1016/j.jhydrol.2019.124462. DOI
[26]	Wang SF, Zhao XN, Gao XD, Huo GP, Pan YH (2018). Water use source of apple trees with full productive agein loess hilly region. Scientia Silvae Sinicae, 54(10), 31-38.
	[王绍飞, 赵西宁, 高晓东, 霍高鹏, 潘燕辉 (2018). 黄土丘陵区盛果期苹果树土壤水分利用策略. 林业科学, 54(10), 31-38.]
[27]	Xiang W, Evaristo J, Li Z (2020). Recharge mechanisms of deep soil water revealed by water isotopes in deep loess deposits. Geoderma, 369, 114321. DOI: 10.1016/j.geoderma.2020.114321. DOI
[28]	Yang B, Wen XF, Sun XM (2015). Seasonal variations in depth of water uptake for a subtropical coniferous plantation subjected to drought in an East Asian monsoon region. Agricultural and Forest Meteorology, 201, 218-228. DOI URL
[29]	Yue LL, Xia X, Hu DY, Xiao WH, Zhang WP, Xu WB, Wu YJ (2021). Quantifying the water sources of Camellia oleifera during fruit growth peak period using hydrogen and oxygen isotopes. Transactions of the Chinese Society of Agricultural Engineering, 37(20), 154-161.
	[岳伶俐, 夏雄, 胡德勇, 肖卫华, 张文萍, 许文彬, 吴友杰 (2021). 基于氢氧同位素的油茶果实生长高峰期水分来源量化. 农业工程学报, 37(20), 154-161.]
[30]	Zhang ZQ, Li M, Si BC, Feng H (2018). Deep rooted apple trees decrease groundwater recharge in the highland region of the Loess Plateau, China. Science of the Total Environment, 622, 584-593.
[31]	Zhao XN, Li N, Gao XD, Huo GP, Pan YH (2018). Characteristics of soil water utilization for different stand ages of jujube trees based on ¹⁸O tracking. Transactions of the Chinese Society of Agricultural Engineering, 34(3), 135-142.
	[赵西宁, 李楠, 高晓东, 霍高鹏, 潘燕辉 (2018). 基于¹⁸O示踪的不同树龄枣树土壤水分利用特征分析. 农业工程学报, 34(3), 135-142.]
[32]	Zhao YL, Wang YQ, He MN, Tong YP, Zhou JX, Guo XY, Liu JZ, Zhang XC (2020). Transference of Robinia pseudoacacia water-use patterns from deep to shallow soil layers during the transition period between the dry and rainy seasons in a water-limited region. Forest Ecology and Management, 457, 117727. DOI: 10.1016/j.foreco.2019.117727. DOI

基于贝叶斯模型MixSIAR的不同水同位素输入方法对苹果园吸水特征分析结果的影响

Effects of different water isotope input methods based on Bayesian model MixSIAR on water uptake characteristic analysis results in apple orchards

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