搜索结果: 301-315 共查到“林学”相关记录16549条 . 查询时间(0.551 秒)
Patterns and Internal Stability of Carbon, Nitrogen, and Phosphorus in Soils and Soil Microbial Biomass in Terrestrial Ecosystems in China: A Data Synthesis
spatial pattern C:N:P vegetation types nutrient limitation homeostasis
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2023/12/11
Inspired by the strict constraint ratio (relatively low variability) between carbon (C), nitrogen (N), and phosphorus (P) in global soils and soil microbial biomass, our study explores the biogeograph...
The role of beliefs, expectations and values in decision-making favoring climate change adaptation-implications for communications with European forest professionals
decision-making adaptation climate change value polarization expectation blocked belief effect tipping point behavior
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2023/12/11
Beliefs, expectations and values are often assumed to drive decisions about climate change adaptation. We tested hypotheses based on this assumption using survey responses from 508 European forest pro...
河南农业大学专利：一种泡桐样品取样袋
河南农业大学 泡桐样品 取样袋
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2023/12/11
本实用新型公开了一种泡桐样品取样袋，包括以100?500目的锦纶单丝筛绢或100?400目的涤纶单丝筛绢为材料的袋体，袋体一端封闭且另一端开口，开口处设有用于抽拉封闭开口的封口绳，包括：均可抽拉的多个隔离绳和收缩绳；隔离绳沿袋体侧壁环形设置，且平行于封口绳；多个隔离绳间隔设置；收缩绳沿袋体封口端向开口端设置，多个收缩绳长度相等，且沿袋体周向间隔设置；封口绳、隔离绳和收缩绳均与袋体材料一致。本实用新...
本实用新型公开了一种水培与土培组合式苗木培育器,包括底板，所述底板的上表面右侧设有培养箱，所述底板的上表面左侧设有混合桶，所述混合桶的右下侧连接有泵机，所述泵机固定安装于底板的上表面，所述泵机的右端连接有三通阀的一端，所述三通阀的另外两端分别连接有喷淋管，两个所述喷淋管伸入培养箱的内部，两个所述喷淋管分别固定安装于培养箱的前后两侧壁的上侧，两个所述喷淋管上设有若干个喷淋孔，所述培养箱的上端固定安装...
河南农业大学专利：一种基于m6A甲基化测序研究泡桐丛枝病的方法
河南农业大学 m6A 甲基化测序 泡桐丛枝病
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2023/12/11
本发明公开了一种基于m6A甲基化测序研究泡桐丛枝病的方法，属于分子生物学领域；包括下述步骤：(1)提取泡桐总RNA；(2)m6A测序：利用泡桐总RNA构建m6A文库，进行测序；(3)转录组测序：利用泡桐总RNA构建转录组文库，进行测序；(4)生物信息学分析：对m6A测序结果进行Peak分析，绘制出白花泡桐m6A修饰图谱，并基于Peak分析结果进行m6Amotif预测；对转录组测序结果进行转录组分析...
河南农业大学专利：一种园林绿化生态墙
河南农业大学 园林绿化 生态墙
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2023/12/11
本实用新型涉及园林绿化的技术领域，其公开了一种园林绿化生态墙，包括设置在墙面上的骨架板，骨架板上设有若干安装杆组，每一组安装杆组均包括两根平行的水平杆，水平杆上沿其轴向均匀开设有多个安装槽孔，两根水平杆上的安装槽孔对应相通，对应相通的安装槽孔内通过拆装组件设有同一个种植盆，种植盆内设有通过栽培组件培育有绿植。本实用新型解决了现有技术中种植盆更换修补不方便的问题。
河南农业大学专利：一种水培与土培相结合的侧柏苗木培育装置
河南农业大学 水培土培 侧柏苗木 培育装置
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2023/12/11
本发明适用于苗木培育技术领域，提供了一种水培与土培相结合的侧柏苗木培育装置，包括底板，还包括：支撑轴、土培箱、搅拌杆、顶板、外壳、内壳、定植板、第一缺口、第二缺口、上下运动组件和传动组件。外壳和内壳形成一个上端开口的容器，将培养土倒入土培箱内，培养液倒入内壳内，侧柏苗木固定在定植板上，进而对侧柏苗木进行水培，待侧柏苗木的根系发达后，上下运动组件带动土培箱上下振动，进而使土培箱内的培养土松软，传动组...
河南农业大学专利：全基因组选择技术在林木育种中的应用
河南农业大学 全基因组 选择技术 在林木育种
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2023/12/11
本发明公开了全基因组选择技术在林木育种中的应用。首先通过已知的强优势自交系构建初始群体，并进行基因型鉴定和杂种优势群划分，选择特定杂交种作为测验种评估初始群体中各个材料的重金属吸附能力表现，并建立全基因组选择模型；而后在所述杂种优势群内，根据重金属吸附能力评估结果，逐步选育得到优良单株并进一步获得纯合自交系；最后对获得的纯合自交系进行基因型鉴定，并根据所述全基因组选择模型对其重金属吸附能力进行预测...
Assessing Tree Coverage and the Direct and Mediation Effect of Tree Diversity on Carbon Storage through Stand Structure in Homegardens of Southwestern Bangladesh
traditional homegardens agroforestry system biodiversity and carbon optical remote sensing
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2023/12/8
Dealing with two major challenges, climate change mitigation and biodiversity loss, under the same management program, is more noteworthy than addressing these two separately. Homegardens, a sustainab...
Land Cover and Land Use Change Decreases Net Ecosystem Production in Tropical Peatlands of West Kalimantan, Indonesia
deforestation forest logging tropical climate peat swamp forests oil palm estate NEP
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2023/12/8
Deforested and converted tropical peat swamp forests are susceptible to fires and are a major source of greenhouse gas (GHG) emissions. However, information on the influence of land-use change (LUC) o...
Growth Response to Weed Control and Fertilisation in Mid-Rotation Plantations of Eucalyptus pellita in South Sumatra, Indonesia
nitrogen and phosphorus fertilisation weed management mid-rotation application plantation productivity
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2023/12/8
We report on a study of mid-rotation weed control and nutrient management in Eucalyptus pellita plantations in South Sumatra. The study was established at two contrasting sites (representing high and ...
Harmonizing Forest Conservation Policies with Essential Biodiversity Variables Incorporating Remote Sensing and Environmental DNA Technologies
environmental DNA essential biodiversity variables forest conservation policies indicators remote sensing biodiversity products
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2023/12/8
It remains difficult to compare the state of conservation of forests of different nations. Essential Biodiversity Variables (EBVs) are a set of variables designed as a framework for harmonizing biodiv...
Forest Total and Component Above-Ground Biomass (AGB) Estimation through C- and L-band Polarimetric SAR Data
total and component biomass backscatter polarimetric SAR
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2023/12/8
Forest biomass plays an essential role in forest carbon reservoir studies, biodiversity protection, forest management, and climate change mitigation actions. Synthetic Aperture Radar (SAR), especially...
Allometric Models for Estimating Aboveground Biomass in Short Rotation Crops of Acacia Species in Two Different Sites in Chile
short rotation woody crops A. dealbata A. mearnsii A. melanoxylon
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2023/12/8
We evaluated the ability of different allometric models to estimate the biomass production of short-rotation woody crops of Acacia dealbata, A. mearnsii and A. melanoxylon. Models considered the adjus...
Budget of Plant Litter and Litter Carbon in the Subalpine Forest Streams
litter input and output litter carbon budget mountain forest stream riparian zone
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2023/12/8
Investigations on the budget of plant litter and litter carbon in forest streams can provide a key scientific basis for understanding the biogeochemical linkages of terrestrial–aquatic ecosystems and ...