搜索结果: 1-11 共查到“林业基础学科 aboveground biomass”相关记录11条 . 查询时间(0.055 秒)
Decline in Aboveground Biomass Due to Fragmentation in Subtropical Forests of China
forest fragmentation patch size edge effects aboveground biomass fengshui forests
2023/12/19
Fragmentation has long been considered the primary cause for ecosystem degradation and biodiversity loss worldwide. Forest fragmentation affects ecosystem functioning and biodiversity in multiple ways...
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...
Modelling Aboveground Biomass of Miombo Woodlands in Niassa Special Reserve, Northern Mozambique
remote sensing allometric models biomass REDD+
2023/12/7
Aboveground biomass (AGB) estimation plays a crucial role in forest management and carbon emission reporting, especially for developing countries wishing to address REDD+ projects. Both passive and ac...
Allometric Equations to Estimate Aboveground Biomass in Spotted Gum (Corymbia citriodora Subspecies variegata) Plantations in Queensland
biomass prediction crown volume cross-validatory assessment destructive sampling hardwood plantation weighted nonlinear models
2023/12/6
Accurate equations are critical for estimating biomass and carbon accumulation for forest carbon projects, bioenergy, and other inventories. Allometric equations can provide a reliable and accurate me...
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...
Remote Sensing Estimation of Forest Aboveground Biomass Based on Lasso-SVR
aboveground biomass remote sensing estimation Lasso algorithm support vector regression model
2023/12/1
With the Lutou Forest Farm as the research area, the Lasso algorithm was used for characteristic selection, and the optimal combination of variables was input into the support vector regression (SVR) ...
Land Use Changes, Disturbances, and Their Interactions on Future Forest Aboveground Biomass Dynamics in the Northern US
Landsat national forest inventory sensitivity analysis uncertainty
2024/3/5
Land use change (LUC), disturbances, and their interactions play an important role in regional forest carbon (C) dynamics. Here we quantified how these activities and events may influence future above...
Aboveground biomass and nutrients in an 18-years-old stand of blue spruce (Picea pungens Engelm.) as a substitute tree species
aboveground biomass nutrients blue spruce substitute tree species stands
2015/4/14
Sample trees were taken for analyses from an 18-years-old blue spruce stand growing in the summit part of the Jizerské hory Mts. (Czech Republic). The sample trees were measured and dry matter and nut...
Aboveground biomass of substitute tree species stand with respect to thinning – European larch (Larix decidua Mill.)
aboveground biomass European larch Larix decidua Mill. Kruš né hory Mts substitute stands thinning
2015/3/27
This study is focused on substitute European larch stands in the Krušné hory Mts. (northern part of the Czech Republic). Research was conducted within larch thinning experiment Kalek (780 m a.s.l...
Models for predicting aboveground biomass of European beech (Fagus sylvatica L.) in the Czech Republic
beech biomass function temperate forests tree allometry wood density
2015/5/6
We developed optimal models for predicting the aboveground biomass of European beech (Fagus sylvatica L.) applicable to the national forest inventory data of the Czech Republic. The models were based ...
Carbon Stock Changes in Soil and Aboveground Biomass from House Lot Development in King County, Washington, USA
Land-Use Change Carbon, Urban Soils Emissions Urban Growth Development
2013/3/4
Fossil fuel burning and deforestation have driven dramatic increases in atmospheric CO2 since the industrial revolution. However, forests in the northern temperate region sequester a substantial (~0.6...