搜索结果: 1-15 共查到“农学 Models”相关记录93条 . 查询时间(0.203 秒)
南京农业大学农学院《Agricultural and Forest Meteorology》发表智慧农业团队“Simulating the effects of low-temperature stress during flowering stage on leaf-level photosynthesis with current rice models”（图）
智慧 农业 气候变化 作物
2024/8/15
2024年来，南京农业大学农学院智慧农业团队在极端气候下的作物模型算法改进工作方面进行了深入研究，为未来气候变化背景下的作物生产力模拟提供了理论与技术基础。研究结果2024年8月2日以“Simulating the effects of low-temperature stress during flowering stage on leaf-level photosynthesis with c...
The Effect of Alternative Forest Management Models on the Forest Harvest and Emissions as Compared to the Forest Reference Level
forest management models carbon sink forest harvest forest reference level production forests multifunctional forests set-aside forests
2024/1/22
Background and Objectives: Under the Paris Agreement, the European Union (EU) sets rules for accounting the greenhouse gas emissions and removals from forest land (FL). According to these rules, the a...
Nonlinear mixed-effects scalar-on-function models and variable selection
Canonical correlation Functional least angle regression (fLARS) Gaussian process prior Movement data Scalar-on-function regression Variable selection
2024/1/11
This paper is motivated by our collaborative research and the aim is to model clinical assessments of upper limb function after stroke using 3D-position and 4D-orientation movement data. We present a ...
Seemingly Unrelated Mixed-Effects Biomass Models for Black Locust in West Poland
Robinia pseudoacacia carbon sequestration model’s additivity
2024/1/10
Information about tree biomass is important not only in the assessment of wood resources but also in the process of preparing forest management plans, as well as for estimating carbon stocks and their...
Predictive Models to Estimate Carbon Stocks in Agroforestry Systems
organic matter carbon sequestration land use systems data mining technique random forest
2023/12/15
This study aims to assess the carbon stock in a pasture area and fragment of forest in natural regeneration, given the importance of agroforestry systems in mitigating gas emissions which contribute t...
Allometric Biomass Models for European Beech and Silver Fir: Testing Approaches to Minimize the Demand for Site-Specific Biomass Observations
biomass Romania site-specific Fagus sylvatica Abies alba Bayesian model mixed effect models
2023/12/11
In this paper, site-specific allometric biomass models were developed for European beech (Fagus sylvatica L.) and silver fir (Abies alba Mill.) to estimate the aboveground biomass in inca virgin?fores...
Allometric Models for Estimating Aboveground Biomass in Short Rotation Crops of Acacia Species in Two Different Sites in Chile
short rotation woody crops A. dealbata A. mearnsii A. melanoxylon
2023/12/8
We evaluated the ability of different allometric models to estimate the biomass production of short-rotation woody crops of Acacia dealbata, A. mearnsii and A. melanoxylon. Models considered the adjus...
Research on the Temporal and Spatial Distributions of Standing Wood Carbon Storage Based on Remote Sensing Images and Local Models
remote sensing GWR MGWR TWR GTWR standing wood carbon storage
2023/12/6
Background and Objectives: It is important to understand the temporal and spatial distributions of standing wood carbon storage in forests to maintain ecological balance and forest dynamics. Such info...
Semi-Empirical Models and Revision of Predicting Approaches of Tree Aboveground Biomass Assessments
biomass allometry a and B scalar coefficients independent physical and biological parameterization wood specific gravity form factors checking the consistency of biomass equations
2023/12/4
Tree aboveground biomass (e.g., bole, branches, and foliage), M, plays key roles in forest management as it is the basis for evaluating the sink and flux of, for example, carbon and nitrogen, stand pr...
Site Quality Classification Models of Cunninghamia Lanceolata Plantations Using Rough Set and Random Forest West of Zhejiang Province, China
Cunninghamia lanceolata plantations site quality classification models site quality evaluation rough set random forest
2023/12/1
The site quality evaluation of plantations has consistently been the focus in matching tree species with sites. This paper studied the site quality of Chinese fir (Cunninghamia lanceolata) plantations...
Allometric Models to Predicate Single-Tree Biomass in the Eurasian Larix spp. Forest
genus Larix equations additivity biosphere role of forests biomass of single-trees allometric models sample plots biological productivity transcontinental tables of biomass
2023/12/1
Today, estimating of biological productivity or carbon-depositing ability of forests is going on the global level, and its increase is one of the major factors of climate stabilization. In recent year...
Forest regeneration within Earth system models: current process representations and ways forward
arth system models forestregeneration reproductive allocation treerecruitment vegetation demographic models vegetation dynamics
2023/11/30
Earth system models must predict forest responses to global change in order to simulate future global climate, hydrology, and ecosystem dynamics. These models are increasingly adopting vegetation demo...
Forest Dynamics Models for Conservation, Restoration, and Management of Small Forests
simulation model smixed-species models spatially explicit model sempirical models process-based models mechanistic models
2023/11/30
Globally, there are myriad situations in which people aim to conserve, restore, or manage forest ecosystems at small spatial scales of 50 ha or less. To inform management, forest dynamics models provi...
Effect of Climate on Carbon Storage Growth Models for Three Major Coniferous Plantations in China Based on National Forest Inventory Data
carbon storage carbon sequestration capacity variable parameter growth model climatic factor
2023/11/30
Forest inventory data (FID) are important resources for understanding the dynamics of forest carbon cycling at regional and global scales. Developing carbon storage growth models and analyzing the dif...
Age-independent diameter increment models for mixed mountain forests
Age-independent growth equations Algebraic difference approach Mixed effects models Uneven-aged forest Mixed species forests Growth index
2023/11/20
Mixed mountain forests with an uneven-aged structure are characterized by a high tree-growth?variability making traditional age-dependent?growth?models inapplicable. Estimating site productivity is ye...