Predicting soil δ13C patterns in Brazil using nested datasets, feature selection, and machine learning

Osmar Luiz Ferreira de Carvalho

doi:10.1016/j.ecoinf.2026.103647

2026-02-16

Osmar Luiz Ferreira de Carvalho

Glauber Das Neves

João Paulo Sena‐Souza

Alexandre T. Brunello

Vinícius Vasconcelos

Daniel Guerreiro e Silva

Maria Gabriella da Silva Araújo

Deoclecio Jardim Amorim

Luiz Antonio Martinelli

Gabriela Bielefeld Nardoto

Osmar Abílio de Carvalho Júnior *

DOI：10.1016/j.ecoinf.2026.103647

原文链接

查看原文

摘要

En 中文

• 首次对跨尺度的δ13C特征选择策略进行了系统性比较 • 用于预测巴西嵌套尺度下土壤δ13C的层次框架 • 基于VIF的多重共线性控制将特征减少了90%，同时损失最小 • 集成方法（RF、XGBoost、GB）优于线性及核方法算法 • 核心预测因子（fAPAR、生物气候、LAI、黏土）在跨尺度中保持信息价值

Keyword:

Stable isotopes

Isoscapes

Nested cross-validation

Regression models

Environmental predictors

Soil carbon dynamics

AI总结

对已上传原文的论文进行重点信息的提取，主要内容包括：简要概述、研究摘要、背景介绍、关键亮点、图文解析、展望与总结。

期刊

Ecological Informatics

IF:

7.3

论文数:

3.8K

被引数:

1.3W

机构

university of sao paulo

学者数:

3.0K

论文数: 1.2K

被引数: 0

montes claros state university

学者数:

论文数: 4

被引数: 0

university of brasilia

学者数:

810

论文数: 258

被引数: 0

查看更多机构

引用论文

WorldClim 2: new 1-km spatial resolution climate surfaces for global land areas WorldClim 2: 全球陆地区域新的1公里空间分辨率气候表面

INTERNATIONAL JOURNAL OF CLIMATOLOGY

IF2.8

2017-05-15

1.1W

PREAI

Fick, Stephen E.; Hijmans, Robert J.

Generalized Inverses, Ridge Regression, Biased Linear Estimation, and Nonlinear Estimation 广义逆、岭回归、有偏线性估计和非线性估计

Technometrics

IF0

2012-04-09

PREAI

Donald W. Marquardt

Impact of fire exclusion and aspect on soil carbon fractions in Afromontane grasslands, Cathedral Peak, South Africa

EUROPEAN JOURNAL OF SOIL SCIENCE

IF3.8

2024-07-09

OAAI

Dlamini, Lindokuhle X.; Kotze, Elmarie; Thevenot, Mathieu; Feig, Gregor T.; Mathieu, Olivier; Leveque, Jean

SoilGrids 2.0: producing soil information for the globe with quantified spatial uncertainty SoilGrids 2.0: 以量化的空间不确定性为全球生产土壤信息

SOIL

IF4.3

2021-06-14

876

OAAI

Poggio, Laura; de Sousa, Luis M.; Batjes, Niels H.; Heuvelink, Gerard B. M.; Kempen, Bas; Ribeiro, Eloi; Rossiter, David

Digital mapping of soil carbon fractions with machine learning 基于机器学习的土壤碳组分数字制图

GEODERMA

IF6.6

2019-04-01

203

OAAI

Keskin, Hamza; Grunwald, Sabine; Harris, Willie G.

Distribution of C3 and C4 grasses at different altitudes in a temperate arid region of Argentina

Oecologia

IF0

1988-07-01

PREAI

J. B. Cavagnaro

Digital mapping of soil properties using multiple machine learning in a semi-arid region, central Iran 在伊朗中部半干旱地区使用多种机器学习对土壤特性进行数字制图

GEODERMA

IF6.6

2019-03-01

229

PREAI

Zeraatpisheh, Mojtaba; Ayoubi, Shamsollah; Jafari, Azam; Tajik, Samaneh; Finke, Peter

Very high resolution interpolated climate surfaces for global land areas 全球陆地区域的高分辨率插值气候表面

INTERNATIONAL JOURNAL OF CLIMATOLOGY

IF2.8

2005-01-01

1.8W

PREAI

Hijmans, RJ; Cameron, SE; Parra, JL; Jones, PG; Jarvis, A

Rice straw cover decreases soil erosion and sediment-bound C, N, and P losses but increases dissolved organic C export from upland maize fields as evidenced by δ13C

SCIENCE OF THE TOTAL ENVIRONMENT

IF8

2021-01-01

PREAI

Park, Se-In; Yang, Hye In; Park, Hyun-Jin; Seo, Bo-Seong; Jeong, Young-Jae; Lim, Sang-Sun; Kwak, Jin-Hyeob; Kim, Han-Yong; Yoon, Kwang-Sik; Lee, Sang-Mo; Choi, Woo-Jung

Ridge Regression: Biased Estimation for Nonorthogonal Problems 岭回归: 非正交问题的有偏估计

Technometrics

IF0

1970-02-01

PREAI

Arthur E. Hoerl; Robert W. Kennard

查看更多内容