成果/Result
- Nonlinear mixed-effects crown width models for individual trees of Chinese fir (Cunninghamia lanceolata) in south-central China被引量：96收藏
- 作者：Fu, Liyong[1] Sun, Hua[2] Sharma, Ram P.[3] Lei, Yuancai[1] Zhang, Huiru[1]
- 机构：Chinese Acad Forestry;Cent South Univ Forestry & Technol;Norwegian Univ Life Sci
- 来源：FOREST ECOLOGY AND MANAGEMENT 2013
- 关键词：Cunninghamia lanceolata Heteroskedasticity Individual-tree crown width model Two-level nonlinear mixed-effects model
- A generalized interregional nonlinear mixed-effects crown width model for Prince Rupprecht larch in northern China被引量：57收藏
- 作者：Fu, Liyong[1,2] Sharma, Ram P.[3] Hao, Kaijie[4] Tang, Shouzheng[1]
- 机构：Chinese Acad Forestry;Penn State Univ;Czech Univ Life Sci;Shanxi Acad Forestry Sci
- 来源：FOREST ECOLOGY AND MANAGEMENT 2017
- 关键词：Crown width Interregional effects Optimal sample size Random effects Two-level mixed-effects model
- Comparison of seemingly unrelated regressions with error-in-variable models for developing a system of nonlinear additive biomass equations被引量：48收藏
- 作者：Fu, Liyong[1] Lei, Yuancai[1] Wang, Guangxing[2,3] Bi, Huiquan[4] Tang, Shouzheng[1]
- 机构：Chinese Acad Forestry;Cent South Univ Forestry & Technol;So Illinois Univ;New South Wales Dept Ind & Investment;Xinyang Normal Univ
- 来源：TREES-STRUCTURE AND FUNCTION 2016
- 关键词：Additivity Nonlinear error-in-variable models Nonlinear seemingly unrelated regression Tree biomass Pinus massoniana Lamb
- Using the dummy variable model approach to construct compatible single-tree biomass equations at different scales - a case study for Masson pine (Pinus massoniana) in southern China被引量：41收藏
- 作者：Zeng, Wei Sheng[1] Zhang, Hui Ru[1] Tang, Shou Zheng[1]
- 机构：Chinese Acad Forestry
- 来源：CANADIAN JOURNAL OF FOREST RESEARCH 2011
- 关键词：Biomass
- Integrating regional climate change into allometric equations for estimating tree aboveground biomass of Masson pine in China被引量：38收藏
- 作者：Fu, Liyong[1] Lei, Xiangdong[1] Hu, Zongda[2] Zeng, Weisheng[3] Tang, Shouzheng[1]
- 机构：Chinese Acad Forestry;Sichuan Agr Univ;State Forestry Adm;Univ British Columbia;Nanjing Forestry Univ
- 来源：ANNALS OF FOREST SCIENCE 2017
- 关键词：Masson pine Subtropical China Climate change Climate-sensitive aboveground biomass model Nonlinearmixed-effects model Dummy variable approach
- Modelling a system of nonlinear additive crown width models applying seemingly unrelated regression for Prince Rupprecht larch in northern China被引量：35收藏
- 作者：Fu, Liyong[1,2] Sharma, Ram P.[3] Wang, Guangxing[4] Tang, Shouzheng[1]
- 机构：Chinese Acad Forestry;Penn State Univ;Czech Univ Life Sci Prague;Southern Illinois Univ
- 来源：FOREST ECOLOGY AND MANAGEMENT 2017
- 关键词：Additivity Dominant height Nonlinear seemingly unrelated regression Adjustment in proportion Ordinary least squares with separating regression
- Mapping the potential distribution suitability of 16 tree species under climate change in northeastern China using Maxent modelling被引量：27收藏
- 作者：Liu, Dan[1] Lei, Xiangdong[1] Gao, Wenqiang[1] Guo, Hong[1] Xie, Yangsheng[1]
- 机构：Chinese Acad Forestry;Acad Forest Inventory & Planning Jilin Prov
- 来源：JOURNAL OF FORESTRY RESEARCH 0
- 关键词：Species distribution model National forest inventory data Natural forest Climate change Site suitability mapping Maxent modelling
- Comparing height-age and height-diameter modelling approaches for estimating site productivity of natural uneven-aged forests被引量：23收藏
- 作者：Fu, Liyong[1,2] Lei, Xiangdong[1] Sharma, Ram P.[3] Li, Haikui[1] Zhu, Guangyu[4]
- 机构：Chinese Acad Forestry;Penn State Univ;Czech Univ Life Sci Prague;Cent South Univ Forestry & Technol;Acad Forest Inventory & Planning Jilin Prov
- 来源：FORESTRY 2018
- Generic linear mixed-effects individual-tree biomass models for Pinus massoniana in southern China被引量：22收藏
- 作者：Fu, Liyong[1] Zeng, Weisheng[2] Zhang, Huiru[1] Wang, Guangxing[3,4] Lei, Yuancai[1]
- 机构：Chinese Acad Forestry;State Forestry Adm;Cent South Univ Forestry & Technol;So Illinois Univ
- 来源：SOUTHERN FORESTS-A JOURNAL OF FOREST SCIENCE 2014
- 关键词：biomass large-scale mixed-effects model Pinus massoniana
- Precise Measurement of Stem Diameter by Simulating the Path of Diameter Tape from Terrestrial Laser Scanning Data被引量：21收藏
- 作者：You, Lei[1,2] Tang, Shouzheng[1] Song, Xinyu[3] Lei, Yuancai[1] Zang, Hao[1]
- 机构：Chinese Acad Forestry;Xinyang Normal Univ;Xinyang Normal Univ
- 来源：REMOTE SENSING 2016
- 关键词：stem diameter TLS point cloud curve fitting B-spline
- Calorific values and ash contents of different parts of Masson pine trees in southern China被引量：20收藏
- 作者：Zeng, Wei-sheng[1] Tang, Shou-zheng[2] Xiao, Qian-hui[3]
- 机构：Acad Forest Inventory & Planning;Chinese Acad Forestry;State Forestry Adm
- 来源：JOURNAL OF FORESTRY RESEARCH 2014
- 关键词：ash-free calorific value ash content gross calorific value hypothesis testing regression analysis Pinus massoniana
- Individual-tree diameter growth model for fir plantations based on multi-level linear mixed effects models across southeast China被引量：18收藏
- 作者：Zhao, Lifang[1] Li, Chunming[2] Tang, Shouzheng[2]
- 机构：Chinese Acad Sci;Chinese Acad Forestry
- 来源：JOURNAL OF FOREST RESEARCH 2013
- 关键词：Autocorrelation structure Fir plantation Heteroscedasticity Individual-tree diameter increment Multi-level linear mixed effects models
- Individual Tree Biomass Models to Estimate Forest Biomass for Large Spatial Regions Developed Using Four Pine Species in China被引量：15收藏
- 作者：Fu, LiYong[1] Zeng, WeiSheng[2] Tang, ShouZheng[1]
- 机构：Chinese Acad Forestry;State Forestry Adm
- 来源：FOREST SCIENCE 2017
- 关键词：forest biomass biomass factor regional scale carbon modelling Pinus spp.
- A Basal Area Increment-Based Approach of Site Productivity Evaluation for Multi-Aged and Mixed Forests被引量：14收藏
- 作者：Fu, Liyong[1,2] Sharma, Ram P.[3] Zhu, Guangyu[4] Li, Haikui[1] Hong, Lingxia[1]
- 机构：Chinese Acad Forestry;Penn State Univ;Czech Univ Life Sci Prague;Cent South Univ Forestry & Technol;Univ Idaho
- 来源：FORESTS 2017
- 关键词：basal area realized productivity basal area potential productivity mixed forests site quality evaluation
- How trees allocate carbon for optimal growth: insight from a game-theoretic model被引量：13收藏
- 作者：Fu, Liyong[2,3] Sun, Lidan[4] Hao, Han[5] Jiang, Libo[2] Zhu, Sheng[6]
- 机构：Penn State Univ;Beijing Forestry Univ;Chinese Acad Forestry;Beijing Forestry Univ;Univ North Texas
- 来源：BRIEFINGS IN BIOINFORMATICS 2018
- 关键词：game theory stem height stem girth functional mapping QTL poplar
- Tree Recognition on the Plantation Using UAV Images with Ultrahigh Spatial Resolution in a Complex Environment被引量：12收藏
- 作者：Guo, Xuzhan[1,2,3] Liu, Qingwang[1,3] Sharma, Ram P.[4] Chen, Qiao[1,3] Ye, Qiaolin[5]
- 机构：Chinese Acad Forestry;Xinyang Normal Univ;Natl Forestry & Grassland Adm;Tribhuwan Univ;Nanjing Forestry Univ
- 来源：REMOTE SENSING 2021
- 关键词：individual trees crown multi-radius extraction chromatic mapping feature extraction complex environment spectral index
- A distribution-independent approach to predicting stand diameter distribution被引量：12收藏
- 作者：Tang S.[1] Wang Y.[2] Zhang L.[3] Meng C.-H.[4]
- 机构：CHINESE ACAD FORESTRY;SUNY COLL ENVIRONM SCI & FORESTRY;UNIV NEW BRUNSWICK
- 来源：FOREST SCIENCE 1997
- 关键词：forest growth and yield models parameter recovery disaggregation Lebesque-Stieltjes integral stochastic error
- A new design for sampling with adaptive sample plots被引量：10收藏
- 作者：Yang, Haijun[1] Kleinn, Christoph[1] Fehrmann, Lutz[1] Tang, Shouzheng[2] Magnussen, Steen[3]
- 机构：Univ Gottingen;Chinese Acad Forestry;Forestry Canada
- 来源：ENVIRONMENTAL AND ECOLOGICAL STATISTICS 2011
- 关键词：Forest inventory Adaptive cluster sampling Plot design Conditional plot expansion Inclusion zone approach
- 3D stem model construction with geometry consistency using terrestrial laser scanning data被引量：8收藏
- 作者：You, Lei[1,2,3] Guo, Jianwei[2] Pang, Yong[3] Tang, Shouzheng[3] Song, Xinyu[4]
- 机构：Xinyang Normal Univ;Chinese Acad Sci;Chinese Acad Forestry;Xinyang Normal Univ
- 来源：INTERNATIONAL JOURNAL OF REMOTE SENSING 2021
- 关键词：Geometry - Laser applications - Mean square error - Steel beams and girders - Surveying instruments - Three dimensional computer graphics
- Additive crown width models comprising nonlinear simultaneous equations for Prince Rupprecht larch (Larix principis-rupprechtii) in northern China被引量：6收藏
- 作者：Fu, Liyong[1,2] Xiang, Wei[3] Wang, Guangxing[4] Hao, Kaijie[5] Tang, Shouzheng[1]
- 机构：Chinese Acad Forestry;Penn State Univ;Beijing Forestry Univ;Southern Illinois Univ;Shanxi Acad Forestry Sci
- 来源：TREES-STRUCTURE AND FUNCTION 2017
- 关键词：Adjustment in proportion Additivity Crown width Nonlinear simultaneous equations Ordinary least squares with separating regression
- Parameter estimation of two-level nonlinear mixed effects models using first order conditional linearization and the EM algorithm被引量：4收藏
- 作者：Fu, Liyong[1] Wang, Mingliang[2] Lei, Yuancai[1] Tang, Shouzheng[1]
- 机构：Chinese Acad Forestry;Univ Georgia
- 来源：COMPUTATIONAL STATISTICS & DATA ANALYSIS 2014
- 关键词：Cunninghamia lanceolata Expectation-maximization algorithm First order conditional expansion Lindstrom and Bates algorithm Simulated data Two-level nonlinear mixed effects models
- Application of improved sequential indicator simulation to spatial distribution of forest types被引量：3收藏
- 作者：Feng, Yiming[1,2] Tang, Shouzheng[1] Li, Zengyuan[1]
- 机构：Chinese Acad Forestry
- 来源：FOREST ECOLOGY AND MANAGEMENT 2006
- 关键词：forest types categorical variables sequential indicator simulation improved sequential indicator simulation spatial statistics
- Parameter estimation of nonlinear mixed-effects models using first-order conditional linearization and the EM algorithm被引量：2收藏
- 作者：Fu, Liyong[1] Lei, Yuancai[1] Sharma, Ram P.[2] Tang, Shouzheng[1]
- 机构：Chinese Acad Forestry;Norwegian Univ Life Sci
- 来源：JOURNAL OF APPLIED STATISTICS 2013
- 关键词：Cunninghamia lanceolata expectation-maximization algorithm first-order conditional expansion Lindstrom and Bates algorithm nonlinear mixed-effects models orange tree data simulated data
- Maximum likelihood estimation of nonlinear mixed-effects models with crossed random effects by combining first-order conditional linearization and sequential quadratic programming被引量：2收藏
- 作者：Fu, Liyong[1,2] Wang, Mingliang[3] Wang, Zuoheng[4] Song, Xinyu[5] Tang, Shouzheng[1]
- 机构：Chinese Acad Forestry;Penn State Univ;Univ Georgia;Yale Sch Publ Hlth;Xinyang Normal Univ
- 来源：INTERNATIONAL JOURNAL OF BIOMATHEMATICS 2019
- 关键词：Crossed random effects first-order conditional expansion nested random effects nonlinear mixed-effects models sequential quadratic programming
- forestat: An R package for computing forest carbon sequestration and potential productivity被引量：1收藏
- 作者：Xie, Dongbo[1,2] Feng, Linyan[1,2] Yan, Xingrong[1,2] Sharma, Ram P.[3] Wang, Zhong[4]
- 机构：Chinese Acad Forestry;Natl Forestry & Grassland Adm;Tribhuvan Univ;Dalian Univ Technol;Xinyang Normal Univ
- 来源：ECOLOGICAL INDICATORS 2024
- 关键词：Carbon sink Forest Biomass Forest carbon sequestration potential Terrestrial ecosystem Site quality Biomass expansion factor
- Developing, testing and application of rodent population dynamics and capture models based on an adjusted Leslie matrix-based population approach被引量：0收藏
- 作者：Fu, Liyong[1] Tang, Shouzheng[1] Liu, Yingan[2] Sharma, Ram P.[3] Zhang, Huiru[1]
- 机构：Chinese Acad Forestry;Nanjing Forest Univ;Norwegian Univ Life Sci
- 来源：INTERNATIONAL JOURNAL OF BIOMATHEMATICS 2014
- 关键词：Apodemus agrarius capture model Leslie matrix optimal population density population dynamics model capture-mark-recapture
- Estimating area, standing carbon stock, and potential carbon stock of degraded forests in China被引量：0收藏
- 作者：Yan, Xingrong[1,2] Xie, Dongbo[1] Feng, Linyan[1] Wu, Chunyan[3] Sharma, Ram P.[4]
- 机构：Chinese Acad Forestry;Xinzhou Normal Univ;Chinese Acad Forestry;Tribhuvan Univ;Nanjing Forestry Univ
- 来源：FOREST ECOSYSTEMS 2025
- 关键词：Degraded forest evaluation Degree of degradation Standing carbon stock Potential carbon stock Carbon theoretical space to grow Degraded forest restoration
- Determinants of Deadwood Biomass under the Background of Nitrogen and Water Addition in Warm Temperate Forests被引量：0收藏
- 作者：Hong, Liang[1,2] Tang, Shouzheng[2] Li, Tao[3,4,5] Fu, Liyong[2] Song, Xinyu[1]
- 机构：Xinyang Normal Univ;Chinese Acad Forestry;Henan Univ;Henan Dabieshan Natl Field Observat & Res Stn Fore;Xinyang Acad Ecol Res
- 来源：FORESTS 2024
- 关键词：canopy nitrogen addition canopy water addition abiotic and biotic factors temperate forest tree survival
