搜索结果: 1-15 共查到“农学 assessment”相关记录217条 . 查询时间(0.195 秒)
Spatial Assessment of Ecosystem Services from Planted Forests in Central Vietnam
Vietnam planted forests land use and land cover ecosystem services spatial assessment
2024/1/22
Globally, planted forests are increasing, providing increased resources to forest industries and ecosystem services (ES) to local and wider communities. However, assessment of the impacts of plantatio...
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...
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...
pssRNAit-a web server for designing effective and specific plant siRNAs with genome-wide off-target assessment
Bioinformatics plant RNAi siRNA efficacy off-target gene silencing VIGS syntasiRNA
2024/1/12
We report an advanced web server named pssRNAit (plant specific small non-coding RNAi tool) that can be used to design a pool of small interfering RNAs (siRNAs) for highly effective, specific, and non...
Assessment of an improved individual tree detection method based on local-maximum algorithm from unmanned aerial vehicle RGB imagery in overlapping canopy mountain forests
CROWN DETECTION POINT CLOUDS UAV IMAGERY SEGMENTATION DELINEATION LIDAR INVENTORY HEIGHT FIELD
2023/12/15
Low consumer-grade cameras attached to small unmanned aerial vehicles (UAV) can easily acquire high spatial resolution images, leading to convenient forest monitoring at small-scales for forest manage...
Assessment of Drought Impact on Net Primary Productivity in the Terrestrial Ecosystems of Mongolia from 2003 to 2018
terrestrial ecosystem NDVI BEPS NPP drought vegetation response
2023/12/8
Drought has devastating impacts on agriculture and other ecosystems, and its occurrence is expected to increase in the future. However, its spatiotemporal impacts on net primary productivity (NPP) in ...
Improving the Resolution of GRACE Data for Spatio-Temporal Groundwater Storage Assessment
GRACE GLDAS terrestrial water storage groundwater storage random forest model downscaling
2023/12/7
Groundwater has a significant contribution to water storage and is considered to be one of the sources for agricultural irrigation; industrial; and domestic water use. The Gravity Recovery and Climate...
Assessment of Ponderosa Pine Vigor Using Four-Band Aerial Imagery in South Central Oregon: Crown Objects to Landscapes
tree vigor ponderosa pine remote sensing aerial imagery dry pine forest fuel treatments forest restoration
2023/12/6
Ponderosa pine is an integral part of the forested landscape in the western US; it is the dominant tree species on landscapes that provide critical ecosystem services. Moderate drought tolerance allow...
Assessment of Different Measurement Methods/Techniques in Predicting Modulus of Elasticity of Plantation Eucalyptus nitens Timber for Structural Purposes
Eucalyptus nitens structural applications hardwood plantation structural grading modulus of elasticity
2023/12/6
The mechanical properties of plantation Eucalyptus Nitens timber are currently assessed by applying visual stress grading (VSG) designed for the sawn timber from the mature plantation and do not repre...
Wildfire Risk Assessment in Liangshan Prefecture, China Based on An Integration Machine Learning Algorithm
frequency ratio MCD64A1 Bayesian optimization support vector machine random forest extreme gradient boosting
2023/11/30
Previous wildfire risk assessments have problems such as subjectivity of weight allocation and the linearization of statistical models, resulting in generally low robustness and low generalization abi...
Comprehensive review and assessment of computational methods for predicting RNA post-transcriptional modification sites from RNA sequences
N1-甲基腺苷 N6-甲基腺苷位点 计算方法
2024/5/17
对27种预测N1-甲基腺苷和N6-甲基腺苷位点的最先进方法的全面综述，涵盖了对开发成功预测器至关重要的各种重要方面，包括数据集质量、操作算法、序列和基因组特征、特征选择、模型性能评估和软件效用。同时提出了一种基于深度学习技术的计算方法DeepPromise，用于同时预测N1 -甲基腺苷和N6 -甲基腺苷。开发了一个web服务器，该服务器可以接受RNA序列和基因组序列，以预测两种假定的RNA修饰位点...
Green analytical assay for the quality assessment of tea by using pocket-sized NIR spectrometer
tea Green analytical quality assessment micronear-infrared spectrometer
2023/4/20
Rapid and low-cost testing tools provide new methods for the evaluation of tea quality. In this study, a micronear-infrared (NIR) spectrometer was used for the qualitative and quantitative evaluation ...
Distribution, relationship, and risk assessment of toxic heavy metals in walnuts and growth soil
toxic heavy metals walnuts growth soil
2023/6/5
Walnut is one the most popular nuts worldwide and contains various mineral nutrients. Little is known, however, about the relationship between toxic heavy metals in walnuts and growth soil. In this st...