搜索结果: 1-15 共查到“农学 dynamics”相关记录129条 . 查询时间(0.455 秒)
The Global Ecosystem Dynamics Investigation: High-resolution laser ranging of the Earth’s forests and topography
lidar ecosystem structure GEDI biomass
2024/1/22
Obtaining accurate and widespread measurements of the vertical structure of the Earth’s forests has been a long-sought goal for the ecological community. Such observations are critical for accurately ...
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...
Temporal nitrogen dynamics in intensively managed loblolly pine early stand development
Short-rotation woody crops (SRWC) Sustainability of production forestry Nitrogen budget Nitrogen use efficiency Pinus taeda Silviculture
2024/1/11
Forest production is strongly dependent on nutrient uptake; however, sustainable management of intensively managed plantations requires an improved understanding of this relationship when fertilizatio...
Population Dynamics of Juniperus macropoda Bossier Forest Ecosystem in Relation to Soil Physico-Chemical Characteristics in the Cold Desert of North-Western Himalaya
cold desert soil nutrients biomass carbon density elevational ranges natural regeneration
2023/12/1
Juniperus macropoda is the only tree species of a cold desert ecosystem that is experiencing high anthropogenic pressure and has a poor regeneration status due to harsh environmental conditions. Due t...
Live single-cell transcriptional dynamics via RNA labelling during the phosphate response in plants
RNA single-cell transcriptional dynamics phosphate response plant development
2023/12/1
Plants are constantly adapting to ambient fluctuations through spatial and temporal transcriptional responses. Here, we implemented the latest-generation RNA imaging system and combined it with microf...
Protein kinase sensors: an overview of new designs for visualizing kinase dynamics in single plant cells
plant cells protein kinase sensors kinase dynamics signaling networks SnRK2
2023/12/1
Protein kinase dynamics play key roles in regulation of cell differentiation, growth, development and in diverse cell signaling networks. Protein kinase sensors enable visualization of protein kinase ...
Proteins are intimately involved in executing and controlling virtually all cellular processes. To understand the molecular mechanisms that underlie plant phenotypes, it is essential to investigate pr...
Forest Dynamics Models for Conservation, Restoration, and Management of Small Forests
simulation model smixed-species models spatially explicit model sempirical models process-based models mechanistic models
2023/11/30
Globally, there are myriad situations in which people aim to conserve, restore, or manage forest ecosystems at small spatial scales of 50 ha or less. To inform management, forest dynamics models provi...
Amplifying effects of recurrent drought on the dynamics of tree growth and water use in a subalpine forest
dehydration dynamics drought legacy effects stem capacitance
2023/11/28
Despite recent advances in our understanding of drought impacts on tree functioning, we lack knowledge about the dynamic responses of mature trees to recurrent drought stress. At a subalpine forest si...
Epigenetic dynamics during sexual reproduction: At the nexus of developmental control and genomic integrity
Plant sexual reproduction DNA methylation Histone modifications sRNA Developmental genes Sporogenesis Gametogenesis Seed development
2023/11/16
Epigenetic marks influence gene regulation and genomic stability via the repression of transposable elements. During sexual reproduction, tight regulation of the epigenome must take place to maintain ...
A role for plant KASH proteins in regulating stomatal dynamics
plant KASH proteins stomatal dynamics Protein complexes nuclear envelope cytoskeleton
2024/2/5
Stomatal movement, which regulates gas exchange in plants, is controlled by a variety of environmental factors, including biotic and abiotic stresses. The stress hormone abscisic acid (ABA) initiates ...
Dynamics and Vertical Distribution of Roots in European Beech Forests and Douglas Fir Plantations in Bulgaria
Keywords annual production biomass Decision Matrix necromass root traits root mass sequential coring turnover rate
2024/2/26
Recently, increasing attention has been paid to the anthropogenic degradation of the riverbed and its relationship to the ecological status of the adjacent river landscape. The key objective of this r...
Land Use Changes, Disturbances, and Their Interactions on Future Forest Aboveground Biomass Dynamics in the Northern US
Landsat national forest inventory sensitivity analysis uncertainty
2024/3/5
Land use change (LUC), disturbances, and their interactions play an important role in regional forest carbon (C) dynamics. Here we quantified how these activities and events may influence future above...
Growth-mortality attributes and species composition determine carbon sequestration and dynamics of old stand types in the Acadian Forest of New Brunswick, Canada
Permanentsampleplot Biomass Speciesmix Mortality Netcarbonchange Openstandmodel
2024/2/28
Key messageWe used 20years of plot data to analyze the influence of tree growth-mortality balance and species mix on the potential of old stands to sequester carbon from the atmosphere and store carbo...
Ovarian follicle growth dynamics during the postpartum period in Holstein cows and effects of contemporary cyst occurrence
cow postpartum ovary follicular wave
2015/6/23
The animals were assigned to three groups based on the time of the 1st ovulation: G1 (n = 9)
– the 1st dominant follicle (DF) ovulated, G2 (n = 10) – ovulation occurred on the 2nd or later follicula...