搜索结果: 46-60 共查到“森林经理学”相关记录902条 . 查询时间(2.088 秒)
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...
Climate change induces multiple risks to boreal forests and forestry in Finland: A literature review
bark beetles boreal forests climate change drought forest damage forest fire heavy snow loading Heterobasidionroot rot wind damage
2024/1/11
Climate change induces multiple abiotic and biotic risks to forests and?forestry. Risks in different spatial and temporal scales must be considered to ensure preconditions for sustainable multifunctio...
Carbon Stock Estimations in a Mediterranean Riparian Forest: A Case Study Combining Field Data and UAV Imagery
above ground biomass (AGB) carbon stocks ecosystem services riparian allometric equations unmanned aerial vehicle (UAV)
2024/1/11
This study aims to estimate the total biomass aboveground and soil carbon stocks in a Mediterranean riparian forest and identify the contribution of the different species and ecosystem compartments to...
杉木人工林单木叶面积预测模型取得了新进展（图）
杉木人工林 单木 叶面积 预测模型
2024/5/11
叶面积（LA）与树木生长密切相关，是量化树木潜在生产能力的重要因子，其动态变化直接驱动林木生长的变化。但是由于林木枝叶量巨大，想要完全实测，这在实际工作中是相当困难的。杉木作为我国最重要的速生丰产用材树种之一，对其建立精准的叶面积预测模型就显得尤为重要。
Monitoring hourly night-time light by an unmanned aerial vehicle and its implications to satellite remote sensing
Night-time light Unmanned aerial vehicle Hourly dynamic Urban function Spectral analysis
2023/12/21
Satellite-observed night-time light in urban areas has been widely used as an indicator for socioeconomic development and light pollution. Up to present, the diurnal dynamics of city light during the ...
Wheat Lodging Detection from UAS Imagery Using Machine Learning Algorithms
precision agriculture field crops machine learning deep learning image processing textural features
2023/12/21
The current mainstream approach of using manual measurements and visual inspections for crop lodging detection is inefficient, time-consuming, and subjective. An innovative method for wheat lodging de...
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
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...
Modelling climate change impacts on maize yields under low nitrogen input conditions in sub-Saharan Africa
crop simulation model ensemble modelling model intercomparison smallholder farming systems uncertainty
2023/12/21
Smallholder farmers in sub-Saharan Africa (SSA) currently grow rainfed maize with limited inputs including fertilizer. Climate change may exacerbate current production constraints. Crop models can hel...
Ergonomic Impact of Multi-rotor Unmanned Aerial Vehicle Noise in Warehouse Environments
Unmanned Aerial Vehicle (UAV) Noise Human subject MANOVA
2023/12/21
Small multi-rotor unmanned aerial vehicles (UAVs) are poised to revolutionize commercial and logistics sectors through their versatility, maneuverability, and rapidly increasing sophistication and dec...
Prediction of plant species occurrence as affected by nitrogen deposition and climate change on a European scale
Biodiversity Climate change Nitrogen deposition Precipitation Soil EUNIS
2023/12/19
Plant species occurrence in Europe is affected by changes in nitrogen deposition and climate. Insight into potential future effects of those changes can be derived by a model approach based on field-b...
Ensemble machine-learning-based framework for estimating total nitrogen concentration in water using drone-borne hyperspectral imagery of emergent plants: A case study in an arid oasis, NW China
Water resources Remote sensing Total nitrogen Hyperspectral imagery Machine learning Bootstrap
2023/12/19
In arid and semi-arid regions, water-quality problems are crucial to local social demand and human well-being. However, the conventional remote sensing-based direct detection of water quality paramete...
Assessing Future Changes of Climate Extreme Events in the CORDEX-MENA Region Using Regional Climate Model ALADIN-Climate
Extremes Regional climate change CORDEX MENA Heat waves Drought
2023/12/19
This study investigates future changes of temperature, precipitation, and associated extreme events in the MENA region using Regional Climate Model ALADIN-Climate over the CORDEX-MENA domain. Model ca...
Democratic Republic of the Congo Tropical Forest Canopy Height and Aboveground Biomass Estimation with Landsat-8 Operational Land Imager (OLI) and Airborne LiDAR Data: The Effect of Seasonal Landsat Image Selection
Airborne LiDAR Landsat-8 tropical forest canopy height aboveground biomass Congo Basin Forest
2023/12/19
Inventories of tropical forest aboveground biomass (AGB) are often imprecise and sparse. Increasingly,?airborne?Light Detection And Ranging (LiDAR) and satellite optical wavelength sensor data are use...