搜索结果: 46-60 共查到“森林经理学 Forest”相关记录155条 . 查询时间(0.285 秒)
New Opportunities for Forest Remote Sensing Through Ultra-High-Density Drone Lidar
Drone Global Ecosystem Dynamics Investigation (GEDI) Lidar Remote sensing UAV
2024/2/5
Current and planned space missions will produce aboveground biomass density data products at varying spatial resolution. Calibration and validation of these data products is critically dependent on th...
Multi-UAV Oxyrrhis Marina-Inspired Search and Dynamic Formation Control for Forest Firefighting
Decentralized search forest?firefighting formation control multi-unmanned aerial vehicle (UAV) system Oxyrrhis Marina-inspired search (OMS)
2024/2/27
This paper presents an Oxyrrhis Marina-inspired search and dynamic formation control (OMS-DFC) framework for multi-unmanned aerial vehicle (UAV) systems to efficiently search and neutralize a dynamic ...
Optimal forest rotation periods: integrating timber production and carbon sequestration benefits in Pinus tabulaeformis plantations on the Loess Plateau, PR China
Optimal rotation period timber production benefits carbon sequestration avenues ARIMA models
2024/2/27
Determining the optimal rotation period was a crucial component of forest sustainable management strategies, especially under climate change. This paper had two objectives: (1) to determine the econom...
Forest management optimization across spatial scales to reconcile economic and conservation objectives
DEAD-WOOD BIODIVERSITYCONSERVATION FINLAND MULTIFUNCTIONALITY
2024/2/27
Conflicts between biodiversity conservation and resource production can be mitigated by multi-objective management planning. Optimizing management for multiple objectives over larger land areas likely...
Characteristics of annual greenhouse gas flux and NO release from alpine meadow and forest on the eastern Tibetan Plateau
Alpine ecosystem Meadow Forest Non-CO2 greenhouse gas Nitric oxide
2024/2/27
The importance of the world's largest plateau (i.e., the Tibetan Plateau) as a source/sink for atmospheric greenhouse gases (GHGs) still remains uncertain as field observations covering entire years a...
Evaluation of UAV Based Schemes for Forest Fire Monitoring
Forestfiremonitoring UAV Mechatronicevaluation
2024/2/28
This paper presents a mechatronic evaluation of forest fire monitoring systems based on UAV. To begin with, a mapping of the requirements to the mechatronic abilities, which should be embodied by thes...
Growth-mortality attributes and species composition determine carbon sequestration and dynamics of old stand types in the Acadian Forest of New Brunswick, Canada
Permanentsampleplot Biomass Speciesmix Mortality Netcarbonchange Openstandmodel
2024/2/28
Key messageWe used 20years of plot data to analyze the influence of tree growth-mortality balance and species mix on the potential of old stands to sequester carbon from the atmosphere and store carbo...
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
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...
SPATIO-TEMPORAL ASSESSMENT OF MARGALLA HILLS FOREST BY USING LANDSAT IMAGERY FOR YEAR 2000 AND 2018
Change Detection LULC Supervised Classification Satellite Remote Sensing LANDSAT ETM+ and OLI
2018/5/11
Environmental imbalance due to human activities has shown serious threat to ecosystem and produced negative impacts. The main goal of this study is to identify, monitor and classify temporal changes o...
FOREST COVER CHANGE ANALYSIS IN INNER MONGOLIA USING REMOTE SENSING DATA
Forest cover change Remote sensing data Inner Mongolia Land use and land cover data
2018/5/16
Forest is the lung of the earth, and it has important effect on maintaining the ecological balance of the whole earth. This study was conducted in Inner Mongolia during the year 1990–2015. Land use an...
APPLYING RANDOM FOREST CLASSIFICATION TO MAP LAND USE/LAND COVER USING LANDSAT 8 OLI
Classification Landsat 8 OLI Land use Land cover Random Forest Decision Tree
2018/4/18
This study used the Random Forest classifier (RF) running in R environment to map Land use/Land cover (LULC) of Dak Lak province in Vietnam based on the Landsat 8 OLI. The values of two RF parameters ...
Determination of forest skid trail density in Caspian forests, Iran
timber harvesting winching time study
2016/3/2
Calculation of Skid Trail Spacing (STS) is an important option to minimize the total costs of skidding. Construction of many skid trails increases the construction cost, it also results in more degrad...
Objective and subjective assessment of selected factors of the work environment of forest harvesters and forwarders
noise exposure whole-body vibrations microclimate
2016/1/29
This article was aimed at assessment of selected factors of the work environment, which influenced the operators of harvesters and forwarders. The selection of the work environment factors was based o...
Stand structure indices as tools to support forest management: an application in Trentino forests (Italy)
stand complexity species diversity diametric differentiation index mingling index contagion index composite stand index
2015/4/24
Stand structure and species diversity are two useful parameters to provide a synthetic measure of forest biodiversity. The stand structure is spatial distribution, mutual position, diameter and height...
Forest visitors’ opinion of recreational facilities and trails in forests in the Blaník Protected Landscape Area – a case study
opinion of recreational facilities forest trails visitors’ profile visitors’ preferences questionnaire survey Czech Republic
2015/4/24
Currently, recreation is the most common use of protected areas and there are scarce data on the users and their opinion. The research was focused on visitors to the Blaník Protected Landscape Area (h...