搜索结果: 16-30 共查到“知识库 森林经理学”相关记录474条 . 查询时间(1.593 秒)
Spray and economics assessment of a UAV-based ultra-low-volume application in olive and citrus orchards
Agrochemical application UAV Sprayer Economic analysis
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....
Fine scale plant community assessment in coastal meadows using UAV based multispectral data
Coastal plant communities UAV Vegetation indices Random forests Unsupervised classification
2024/1/19
Coastal meadows worldwide are subjected to habitat degradation due to abandonment, intensification and the impacts of global change. In order to protect and restore these habitats and ensure the suppl...
Remote sensing for monitoring and mapping Land Productivity in Italy: A rapid assessment methodology
Remote sensing MODIS-NDVI Land Productivity Land Degradation Neutrality
2024/1/19
We present a remote sensing-based methodology for the Land Productivity (LP) rapid assessment and monitoring of status and trends at national and sub-national scales. This methodology aims at supporti...
Monitoring vegetation dynamics in East Rennell Island World Heritage Site using multi-sensor and multi-temporal remote sensing data
East Rennell World Heritage Site (ERWHS) vegetation cover forest cover dynamic monitoring multi-sources remote sensing data
2024/1/19
East Rennell of Solomon Island is the first natural site under customary law to be inscribed on UNESCO's World Heritage List. Potential threats due to logging, mining and agriculture led to the site b...
Operational Monitoring and Damage Assessment of Riverine Flood-2014 in the Lower Chenab Plain, Punjab, Pakistan, Using Remote Sensing and GIS Techniques
floods Landsat-8 remote sensing GIS disaster mapping damage assessment Lower Chenab Plain
2024/1/19
In flood-prone areas, the delineation of the spatial pattern of historical flood extents, damage assessment, and flood durations allow planners to anticipate potential threats from floods and to formu...
Unmanned aerial vehicle based measurement of urban forests
Allometry Lidar Structure from motion Unmanned aerial vehicles
2024/1/19
Urban forests are dynamic and change in response to both human and natural forces. To effectively monitor and manage urban forests, periodic inventories are needed to ensure that information about the...
Evaluation of a UAV-mounted consumer grade camera with different spectral modifications and two handheld spectral sensors for rapeseed growth monitoring: performance and influencing factors
Modified consumer grade camera Unmanned aerial vehicle (UAV) Field-based hyperspectral data GreenSeeker crop sensor Image quality Band combination
2024/1/19
The objective of this study was to evaluate the crop monitoring performance of a consumer-grade camera with non-modified and modified spectral ranges which are commonly used in low-altitude unmanned a...
Grouping-Based Time-Series Model for Monitoring of Fall Peak Coloration Dates Using Satellite Remote Sensing Data
phenology monitoring fall foliage coloration grouping-based time-series analysis spatial and temporal scale optical remote sensing
2024/1/12
Accurate monitoring of plant phenology is vital to effective understanding and prediction of the response of vegetation ecosystems to climate change. Satellite remote sensing is extensively employed t...
Evaluation of conditioned Latin hypercube sampling for soil mapping based on a machine learning method
Conditioned Latin hypercube sampling Soil mapping Representativeness Sample randomness
2024/1/12
Sampling design plays an important role in soil survey and soil mapping. Conditioned Latin hypercube sampling (cLHS) has been proven as an efficient sampling strategy and used widely in digital soil m...
Monitoring Three-Decade Expansion of China's Major Cities Based on Satellite Remote Sensing Images
urbanization satellite remote sensing urban expansion trajectories urban village north-south differentiation
2024/1/12
As the largest developing country, China has experienced dramatic urban expansion since the "reform and opening-up" policy started at the end of the 1970s. In this paper, we monitor three decades of u...
Thermal Remote Sensing for Global Volcano Monitoring: Experiences From the MIROVA System
thermal remote sensing global volcano monitoring MIROVA MODIS thermal unrest eruption forecasting
2024/1/12
Volcanic activity is always accompanied by the transfer of heat from the Earth's crust to the atmosphere. This heat can be measured from space and its measurement is a very useful tool for detecting v...
Using unmanned aerial vehicle for identifying the vegetative vigor and quantify the area occupied by eucalyptus sprouts after chemical weeding in the state of Bahia, Brazil
Geotechnology Health of plants Precision?forestry Supervised classification
2024/1/12
Currently, the efficiency of chemical weeding for controlling eucalyptus sprouts is measured by field sampling, but the inefficiency of the sampling methods has led to the investigation of new technol...
Risk aversion hinders forestry professionals to adapt to climate change
Adaptation Risk Uncertainty Lottery choice Forest Perception
2024/1/11
Forestry?professionals' attitudes towards risk and uncertainty under climate change, together with their perception about suitability of adaptation strategies, were investigated in Central Europe. We ...
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 ...
Remote Sensing Applications in Monitoring of Protected Areas
protected areas (PAs) biodiversity conservation spatiotemporal dynamics climate change human disturbances management and governance
2024/1/11
Protected areas (PAs) have been established worldwide for achieving long-term goals in the conservation of nature with the associated ecosystem services and cultural values. Globally, 15% of the world...