Simulation Optimization Lab

The Art of Modeling in the Forest

"Every science involves theory, and every theory involves a model how the object of study works." ~ Daniel B. Botkin

A three-stage modeling approach

Methodology: a three-stage modeling approach. Multi-source data from National Forest Inventory (NFI), resource inventory, research inventory, stem analysis, ecosystem stations, and remote sensing.

The theory of complex ecosystem

Theory: the theory of complex forest ecosystem. The theory of importance, the theory of complexity, the theory of reliability for complex ecosystem. Empirical models, process-based models, hybrid models, model linkages.

Dual closed-loop forest systems

Applications: parallel forest system. Simulation-optimization systems, Bayesian calibration, reliability optimization, Bayesian networks, multifuctional ecosystem services, climate-smart forestry.

QUASSI Publications

NIU Yong-hong,SUN Shuai-chao,HUANG Hong-chao,et al. Modeling and Analyzing Diameter Distribution for Betula albosinensis Natural Forests in the Qinling Mountains[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY, 2023,38(6):153-161. DOI: 10.3969/j.issn.1001-7461.2023.06.21 (in Chinese)

Xue Hailian, Tian Xianglin, Cao Tianjian. Optimizing Parameters of a Process-Based Model for Pinus armandii: A Compromise between Empirical and Process-Based Modelling Approaches. Scientia Silvae Sinicae,2021, Vol. 57, Issue (9): 21-33.doi: 10.11707/j.1001-7488.20210903

Xianglin Tian,Ziyan Liao,Shuaichao Sun,Hailian Xue,Bin Wang,Tianjian Cao. Impacts of Multiple Source Data on Forest Forecasting and Uncertainty Propagation. Scientia Silvae Sinicae, 2021, 57(3): 51-66.

XUE Hai-lian, TIAN Xiang-lin, WANG Bin, SUN Shuai-chao, CAO Tian-jian. Comparison of global sensitivity analysis techniques based on a process-based model CROBAS. Chinese Journal of Applied Ecology 2021, Vol. 32. Issue (1): 134-144.doi: 10.13287/j.1001-9332.202101.005

Bin Wang,Xianglin Tian,Tianjian Cao. Uncertainty Analysis of Height Predictions for Young Pinus tabulaeformis Using a Bayesian Approach[J]. Scientia Silvae Sinicae, 2020, 56(11): 73-86.

WANG Bin, TIAN Xiang-lin, LIAO Zi-yan, WANG Zhi-tao, GENG Sheng-lian, CAO Tian-jian. Simulation and uncertainty analysis of natural regeneration for pine-oak forests. Chinese Journal of Applied Ecology 2020, Vol. 31. Issue (12): 4004-4016.doi: 10.13287/j.1001-9332.202012.018

Tian, X., Sun, S., Mola-Yudego, B. et al. Predicting individual tree growth using stand-level simulation, diameter distribution, and Bayesian calibration. Annals of Forest Science 77, 57 (2020). https://doi.org/10.1007/s13595-020-00970-0

Extending the range of applicability of the semi-empirical ecosystem model PRELES for varying forest types and climate (Tian et al. 2020a)

Characterizing Diameter Distributions for Uneven-Aged Pine-Oak Mixed Forests in the Qinling Mountains of China (Sun et al. 2019b)

Predicting tree height from tree diameter and dominant height using classified methods for pine-oak forests in Qinling Mountains (Guo et al. 2019, in Chinese)

Evaluation of distance-independent competition indices in predicting tree survival and diameter growth (Sun et al. 2019a)

Effects of Multiple Source Data on Site Evaluation Based on Dominant Height Modeling (Guo et al. 2017, in Chinese)

Comparison of Empirical and Process-based Methods on Mortality Predictions for Pinus tabulaeformis Stands (Liao et al. 2017, in Chinese)

Impact of Thinning on Carbon Storage for Pinus tabulae formis Stands in Shaanxi Qiaoshan (Tian et al. 2015, in Chinese)

Evaluating Site Quality for Secondary Forests and Plantation in Qinling Mountains (Wu et al. 2015, highly cited certificate)

OPTIFOR Publications

Comparison of population-based algorithms for optimizing thinnings and rotation using a process-based growth model (Xue et al. 2019)

Optimization of Scots pine ( Pinus sylvestris ) management with the total net return from the value chain (Hurttala et al. 2017)

An integrated assessment approach to optimal forest bioenergy production for young Scots pine stands (Cao et al. 2015)

A comparison of carbon assessment methods for optimizing timber production and carbon sequestration in Scots pine stands (Cao et al. 2010)

Silvicultural decisions based on simulation-optimization systems (Cao 2010)

Effects of thinning and fertilization on wood properties and economic returns for Norway spruce (Cao et al. 2008)

Germany

Prof. Hans Pretzsch from Technical University of Munich, Chair of Forest Growth and Yield Science.

Australia

Prof. Jerome K. Vancly from Southern Cross University, School of Environmental Science and Management.

Italy

Prof. Roberto Tognetti from Dipartimento di Agricoltura, Ambiente e Alimenti, Università degli Studi del Molise

USA

Prof. Quang V. Cao from Louisiana State University, Forest Biometrics Lab.

Finland

Scientists from University of Joensuu, Finnish Forest Research Institute (METLA), European Forest Institute (EFI),Finnish Environment Institute (SYKE), University of Helsinki.

Spain

Adj. Prof. Blas Mola-Yudego , who works as Senior Researcher (Adj Prof) at the University of Eastern Finland, and as Assoc Prof at the Swedish University of Agricultural Sciences.

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仁者知山

我们关注森林,因为我们思考未来。

Optifor Forest Research

We focus on forests, cause we think of the future.