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[1]热依法提·艾尼瓦尔,许仲林,常亚鹏,等.天山雪岭云杉林土壤生态化学计量特征的空间分布模拟[J].江苏农业科学,2021,49(17):208-215.
　Reyifati Ainiwaer,et al.Spatial distribution simulation of soil ecological stoichiometric characteristics of Schrenk spruce forest in Tianshan Mountains[J].Jiangsu Agricultural Sciences,2021,49(17):208-215.
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第49卷
期数:
2021年第17期
页码:
208-215
栏目:
资源与环境
出版日期:
2021-09-05

文章信息/Info

Title:
Spatial distribution simulation of soil ecological stoichiometric characteristics of Schrenk spruce forest in Tianshan Mountains
作者:
热依法提·艾尼瓦尔1; 2; 许仲林1; 2; 常亚鹏3; 李路4
1.新疆大学资源与环境科学学院，新疆乌鲁木齐 830046； 2.新疆大学绿洲生态教育部重点实验室，新疆乌鲁木齐 830046；3.兰州大学草地农业科技学院，甘肃兰州 730020； 4.西安石油大学计算机学院，陕西西安 710065
Author(s):
Reyifati Ainiwaer; et al
关键词:
C; N; P; 化学计量比; 空间分布; 元素含量; 雪岭云杉; 天山山脉
Keywords:
-
分类号:
S714
DOI:
-
文献标志码:
A
摘要:
土壤碳(C)、氮(N)和磷(P)含量以及它们之间的生态化学计量特征在养分限制、群落动态、养分利用效率和生物地球化学循环中起着重要作用，为了深入探讨陆地生态系统的物质循环，使用多元线性回归(MLR)、逐步回归(STR)、岭回归(RDR)、套索回归(LSR)方法估算天山雪岭云杉林土壤C、N、P含量以及其化学计量比的空间分布。结果表明：(1)雪岭云杉林土壤C、N、P含量和C ∶N、C ∶P、N ∶P 的均值分别为(55.76±25.24)、(4.63±2.11)、(071±0.21) g/kg和(12.24±3.73)、(79.95±31.89)、(28.16±3.18)；(2)随经度的增加，雪岭云杉林内土壤C、P含量，C ∶P、C ∶N递减，N 含量、N ∶P递增；(3)对雪岭云杉林土壤N、P含量及其化学计量比空间格局的模拟中MLR、STR的表现优于RDR、LSR；(4)相对于原始变量，使用主成分作为预测因子的估算并未提高预测结果的精度。建议在未来的工作中更多地考虑自变量(如生物、非生物、人为因素等)以提高空间模拟的精度。
Abstract:
-

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备注/Memo

备注/Memo:
收稿日期：2021-01-19
基金项目：新疆维吾尔自治区高校科研计划(编号：XJEDU2020Y008)。
作者简介：热依法提·艾尼瓦尔(1995—)，男，新疆克拉玛依人，硕士研究生，主要从事生态化学计量学相关研究。E-mail：rayifat@163.com。
通信作者：许仲林，博士，教授，主要从事GIS及环境建模方面的研究工作。E-mail：zlxu@xju.edu.cn。
更新日期/Last Update: 2021-09-05