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山东省林业科学研究院成果：杨树优异种质资源挖掘与新品种选育及应用
山东省林科院 杨树 种质资源挖掘 新品种选育
2024/6/13
收集和创制杨树种质资源，探明其遗传多样性及亲缘关系，阐明了杨树开花和种絮形成的分子调控机制；挖掘速生、抗旱、耐盐碱种质，构建毛白杨核心种质库；研制出国家标准“植物新品种特异性、一致性、稳定性测试指南 杨属”，填补了我国杨属新品种DUS测试标准的空白；解决了杨树花粉污染、蒴果脱落、种絮分离困难等共性难题，蒴果脱落率降低95%以上，种絮分离快速高效且成本降低85%以上。通过杂交育种、多性状综合评价、区...
山东省林木种苗繁育工程技术研究中心
山东省 林木种苗繁育 工程技术 研究中心
2024/6/12
缓解当前林木苗种繁育的技术人才短缺的现状；优化山东省林木苗种繁育的技术推广问题，提升当前各个林木苗种繁育基地的技术水平，改善山东省当地野生苗驯化引种技术问题，增加因地制宜种苗在绿化中的比例；保护生物资源多样性，并向其它育苗基地推广标准化林木苗种繁育技术规程。提高山东珍贵用材树种种苗产业化水平，为种苗企业产品的更新换代、工厂化生产水平和良种苗木繁育技术及推广节本增效等提供新的增长点，经济和社会效益显...
濉溪县2株古树名木抢救性保护修复方案（图）
濉溪县 古树名木 抢救性 保护修复方案
2024/9/11
濉溪县自然资源和规划局为做好2株古树名木抢救性保护修复，根据2株古树名木的生长现状，编制改保护修复方案。
Roads Impact Tree and Shrub Productivity in Adjacent Boreal Peatlands
boreal wooded peatlands resource access roads tree productivity dendrochronology
2024/1/23
Peatlands in the western boreal plains of Canada are important ecosystems as they store over two percent of global terrestrial carbon. However, in recent decades, many of these peatlands have been fra...
Forest Disturbances in Polish Tatra Mountains for 1985–2016 in Relation to Topography, Stand Features, and Protection Zone
changes GIS mountains remote sensing terrain stands
2024/1/23
For more than four centuries, the Tatra Mountains were affected by many factors, such as forest and pastoral management, mining and metallurgy, windthrows, snow avalanches, and bark beetle outbreaks. ...
Aerodynamic Performance of Hex-Rotor UAV Considering the Horizontal Airflow
aerodynamic model dynamic model transition flight trim method transition strategy calculation case
2024/1/23
A vertical take-off and landing (VTOL) unmanned aerial vehicle (UAV) can meet both VTOL and horizontal flight performance, but how to achieve a safe and stable transition is a research focus of this t...
Optimal Input Features for Tree Species Classification in Central Europe Based on Multi-Temporal Sentinel-2 Data
tree species classification Sentinel-2 multi-temporal Wienerwald biosphere reserve
2024/1/23
Detailed knowledge about tree species composition is of great importance for?forest?management. The two identical European Space Agency (ESA) Sentinel-2 (S2) satellites provide data with unprecedented...
Meta-Modelling to Quantify Yields of White Spruce and Hybrid Spruce Provenances in the Canadian Boreal Forest?
tree improvement growth and yield climatic transfer distances meta-model random-coefficients modelling
2024/1/23
Tree improvement programs can improve forest management by increasing timber yields in some areas, thereby facilitating conservation of other forest lands. In this study, we used a meta-analytic appro...
Land-Cover and Elevation-Based Mapping of Aboveground Carbon in a Tropical Mixed-Shrub Forest Area in West Java, Indonesia
aboveground biomass geostatistics kriging regression modeling stratification tropical forest
2024/1/23
Carbon sequestration and storage are among the most important ecosystem services provided by tropical forests. Improving the accuracy of the carbon mapping of tropical forests has always been a challe...
Tree plantations replacing natural grasslands in high biodiversity areas: How do they affect the mammal assemblage?
Productive landscape Tree plantation management Medium to large-size mammals Species richness Species composition Keystone habitats Landscape heterogeneity
2024/1/23
Monoculture plantations of fast-growing trees are increasing worldwide and, in many cases, these replace highly diverse natural environments. The Mesopotamian Savannas and the Iberá marshes ecoregions...
Nonlinear control for collision-free navigation of UAV fleet
Sliding mode control Collision free navigation UAV coordination
2024/1/23
This paper presents the development of a cooperation scheme among unmanned aerial vehicle (UAV). Sliding mode control technique is used to guarantee that the set of robots can follow a reference traje...
Canopy Temperature Differences between Liana-Infested and Non-Liana Infested Areas in a Neotropical Dry Forest
lianas temperature difference thermal infrared remote sensing unmanned?aerial?vehicle?system tropical dry?forest
2024/1/23
Lianas (woody vines) are important non-structural elements of all tropical forests. Current field observations across the Neotropics suggest that liana abundance is rising as a result of?forest?distur...
Estimating aboveground biomass of the mangrove forests on northeast Hainan Island in China using an upscaling method from field plots, UAV-LiDAR data and Sentinel-2 imagery
Mangroves Aboveground biomass UAV-LiDAR Sentinel-2 Random forest
2024/1/23
The mangrove forests of northeast Hainan Island are the most species diverse forests in China and consist of the Dongzhai National Nature Reserve and the Qinglan Provincial Nature Reserve. The former ...
Hydrological simulation of a small forested catchment under different land use and forest management
Hydrological Modeling Soil and Water Assessment Tool (SWAT) Atlantic Rainforest Eucalyptus
2024/1/22
The alteration of landscapes by humans has led to a gradual increase in the scarcity of water and degradation of its quality ([24]). Over the last decades, there has been a growing consensus that the ...
The Effect of Alternative Forest Management Models on the Forest Harvest and Emissions as Compared to the Forest Reference Level
forest management models carbon sink forest harvest forest reference level production forests multifunctional forests set-aside forests
2024/1/22
Background and Objectives: Under the Paris Agreement, the European Union (EU) sets rules for accounting the greenhouse gas emissions and removals from forest land (FL). According to these rules, the a...