搜索结果: 1-15 共查到“农学 MIXED”相关记录92条 . 查询时间(0.066 秒)
Land-Cover and Elevation-Based Mapping of Aboveground Carbon in a Tropical Mixed-Shrub Forest Area in West Java, Indonesia
aboveground biomass geostatistics kriging regression modeling stratification tropical forest
2024/1/23
Carbon sequestration and storage are among the most important ecosystem services provided by tropical forests. Improving the accuracy of the carbon mapping of tropical forests has always been a challe...
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...
Characteristics of Soil Respiration and Its Components of a Mixed Dipterocarp Forest in China
microhabitat diurnal pattern temperature sensitivity moisture carbon sink
2023/12/18
Background: Although numerous studies have been carried out in recent decades, soil respiration remains one of the less understood elements in global carbon budget research. Tropical forests store a c...
Climate Effects on Black Spruce and Trembling Aspen Productivity in Natural Origin Mixed Stands
dynamic models height growth functions mixed effects models biotic and edaphic effects climate change site productivity
2023/12/6
Forest managers need site productivity estimates for tree species growing in mixed stands. Models developed in the past are generally for pure stands and don’t factor in the effects of climate change ...
Synthesizing Disparate LiDAR and Satellite Datasets through Deep Learning to Generate Wall-to-Wall Regional Inventories for the Complex, Mixed-Species Forests of the Eastern United States
LiDAR airborne laser scanning enhanced forest inventory aboveground biomass forest carbon deep learning Maine New Hampshire Vermont Massachusetts Connecticut Rhode Island
2023/12/5
Light detection and ranging (LiDAR) has become a commonly-used tool for generating remotely-sensed forest inventories. However, LiDAR-derived forest inventories have remained uncommon at a regional sc...
Single Tree Classification Using Multi-Temporal ALS Data and CIR Imagery in Mixed Old-Growth Forest in Poland
tree species classification airborne laser scanning (ALS) colour-infrared (CIR) aerial images multi-temporal data individual tree random forest (RF)
2023/12/5
Tree species classification is important for a variety of environmental applications, including biodiversity monitoring, wildfire risk assessment, ecosystem services assessment, and sustainable forest...
Unmanned?aerial?vehicles (UAV)-based canopy height modeling under leaf-on and leaf-off conditions for determining tree height and crown diameter (case study: Hyrcanian mixed?forest)
canopy height model digital elevation model forest inventory unmanned aerial vehicles (UAVs) tree crown architecture
2023/12/1
Tree height and crown diameter are two common individual tree attributes that can be estimated from unmanned aerial vehicle (UAV) images thanks to photogrammetry and structure from motion. This resear...
Nonlinear Mixed Effect Model Used in a Simulation of the Impact of Climate Change on Height Growth of?Cyclobalanopsis glauca
RegCM downscaling climate sensitive tree species nonlinear mixed effect model height growth of tree tree species diversity
2023/12/1
Localized climate is sensitive to terrain, underlying surface material, building distribution, green coverage and CO2?emissions. The Regional Climate Model (RegCM) was used to make a statistical detai...
Using Airborne Lidar, Multispectral Imagery, and Field Inventory Data to Estimate Basal Area, Volume, and Aboveground Biomass in Heterogeneous Mixed Species Forests: A Case Study in Southern Alabama
laser forestry allometry parametric non-parametric modeling 3DEP Alabama
2023/11/30
Airborne light detection and ranging (lidar) has proven to be a useful data source for estimating forest inventory metrics such as basal area (BA), volume, and aboveground biomass (AGB) and for produc...
Effect of Species Composition on Growth and Yield in Mixed Beech–Coniferous Stands
mixed stand soil trophicity mean height dominant height species composition mean annual volume increment
2023/11/22
Research Highlights: In mixed stands, competitive and supportive relationships occur between trees, illustrated by their dendrometric characteristics. Background and Objectives: We investigated the ef...
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...
Large macroaggregate properties are sensitive to the conversion of pure plantation to uneven-aged mixed plantations
pure plantation mixed plantations Large macroaggregate properties
2023/6/5
In forestry, stand conversion influences soil physicochemical and biological properties, yet the effects of conversion of pure plantation to uneven-aged mixed plantation on soil aggregate distribution...
Quantitative proteomic analysis of Malus halliana exposed to salt-alkali mixed stress reveals alterations in energy metabolism and stress regulation
Apple rootstock.Malus halliana.Salt-alkali.iTRAQ. Energy metabolism Protein–protein interaction
2024/2/4
Soil salinization is a major abiotic stress in apple production; consequently, it is important to improve the salt tolerance of apple trees. Here, a physiological analysis and isobaric tags for relati...
Interactions between Climate and Nutrient Cycles on Forest Response to Global Change: The Role of Mixed Forests
drought N deposition species interactions ecosystem stoichiometry adaptive management
2024/3/5
Forest ecosystems are undergoing unprecedented changes in environmental conditions due to global change impacts. Modification of global biogeochemical cycles of carbon and nitrogen, and the subsequent...