搜索结果: 1-14 共查到“林学 volume”相关记录14条 . 查询时间(0.14 秒)
Biomass and Volume Modeling along with Carbon Concentration Variations of Short-Rotation Poplar Plantations
biomass additivity Populus spp quantifying carbon stock short-rotation coppice stem volume equations
font style='font-size:12px;'>
2024/1/22
Short-rotation forestry is of interest to provide biomass for bioenergy and act as a carbon sink to mitigate global warming. The Poplar tree (Populus × xiaohei) is a fast-growing and high-yielding tre...
Spray and economics assessment of a UAV-based ultra-low-volume application in olive and citrus orchards
Agrochemical application UAV Sprayer Economic analysis
font style='font-size:12px;'>
2024/1/19
Automation is a new frontier in specialty agriculture equipment. Specifically, unmanned aerial vehicles (UAV), machine vision and robotics will increasingly appear in sustainable agricultural systems....
Allometric Equations for Volume, Biomass, and Carbon in Commercial Stems Harvested in a Managed Forest in the Southwestern Amazon: A Case Study
managed forests carbon sequestration state Acre Brazil tropical forest rainforest timber
font style='font-size:12px;'>
2024/1/19
Forests in the southwestern Amazon are rich, diverse, and dense. The region is of high ecological importance, is crucial for conservation and management of natural resources, and contains substantial ...
Empowering Forest Owners with Simple Volume Equations for Poplar Plantations in the órbigo River Basin (NW Spain)
tree plantations growth equations rotation length growth rates poplar productivity
font style='font-size:12px;'>
2024/1/11
Hybrid poplar plantations are becoming increasingly important as a source of income for farmers in northwestern Spain, as rural depopulation and farmers aging prevent landowners from planting other la...
Integration of Multi-Sensor Data to Estimate Plot-Level Stem Volume Using Machine Learning Algorithms-Case Study of Evergreen Conifer Planted Forests in Japan
UAS stem volume TLS SAR random forest support vector multiple regression forest biophysical parameter
font style='font-size:12px;'>
2023/12/21
The development of new methods for estimating precise forest structure parameters is essential for the quantitative evaluation of forest resources. Conventional use of satellite image data, increasing...
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
font style='font-size:12px;'>
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...
Using Tree Height, Crown Area and Stand-Level Parameters to Estimate Tree Diameter, Volume, and Biomass of Pinus radiata, Eucalyptus globulus and Eucalyptus nitens
radiata pine blue gum shinning gum diameter-height allometry crown diameter stem volume above-ground biomass growth and yield modeling remote sensing
font style='font-size:12px;'>
2023/11/22
Accurate estimates of tree diameter, height, volume, and biomass are important for numerous economic and ecological applications. In this study, we report exponential equations to predict tree DBH (cm...
The use of fixed-wing UAV photogrammetry with LiDAR DTM to estimate merchantable volume and carbon stock in living biomass over a mixed conifer-broadleaf forest
UAV photogrammetry LiDAR DTM estimate merchantable volume carbon stock mixed conifer-broadleaf forest
font style='font-size:12px;'>
2024/2/28
Remote sensing (RS) data are often used as a complementary data source to acquire accurate quantitative estimations of merchantable volume (V) and carbon stock in living biomass (CST), which are criti...
Assessing the relationship of slope and runoff volume on skid trails (Case study: Nav 3 district)
bulk density Nav district runoff skid trail water diversion
font style='font-size:12px;'>
2015/4/14
The effect of slope on runoff volume was evaluated on skid trails in the natural forest in the north of Iran. The objective of this study was to determine the relationship between runoff volume and sl...
Control Method and Effect of Low Volume Pesticide Application to Mulberry Scale, Pseudaulacaspis pentagona (Targioni), Using Mist Blower in Tea Field
Tea field Mulberry Scale Pseudaulacaspis pentagona
font style='font-size:12px;'>
2010/12/2
The effectiveness of low volume pesticide application using a mist blower against mulberry scale in tea cultivation was investigated. The pesticide adhesion to the branches and the effectiveness in co...
Construction of a Volume Table for Evergreen Broad-leaved Trees with Pipe Model Theory and Relative Stem Curve: A Case Study in the Tokyo University Forest in Chiba,Japan
branch broad-leaved tree pipe model relative stem curve volume table
font style='font-size:12px;'>
2009/8/28
In this paper we constructed a volume table for broad-leaved trees including a stem and branches using a relative stem curve, provided that the trees are subject to the pipe model theory. First we mea...
Wood Product Volume and Transportation Distance (Wood Mileage) in the Japanese Sawmill Industry
geographical distribution of production capacity sawmill industry sawn wood wood mileage wood miles
font style='font-size:12px;'>
2009/8/27
The following were identified in this analysis of the volume and transportation distance of wood products, i.e., ‘wood mileage’ in the Japanese sawmill industry. 1) In nationwide terms, the average wo...
Age-related Changes in Stand Volume Growth of Cryptomeria japonica Plantations in Akita District,Northeastern Japan
mean annual net increment mean annual gross increment old-aged plantation of Cryptomeria japonica site productivity stand form factor
font style='font-size:12px;'>
2009/8/24
We analyzed long-term monitoring data on old-aged plantations of sugi (Cryptomeria japonica) in Akita District to examine age-related changes in stand volume growth. Mean annual net volume increment i...
Volume Equations and Volume Tables For Black Pine in Taşköprü
Volume Equations Volume Tables Black Pine Taş kö prü
font style='font-size:12px;'>
2009/1/15
In this study, single, double and multiple-entry tree volume equations were constructed according to six performance criteria (average residuals or bias, average absolute residuals, standard deviation...