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Biomass and Volume Modeling along with Carbon Concentration Variations of Short-Rotation Poplar Plantations
biomass additivity Populus spp quantifying carbon stock short-rotation coppice stem volume equations
2024/1/22
Short-rotation forestry is of interest to provide biomass for bioenergy and act as a carbon sink to mitigate global warming. The Poplar tree (Populus × xiaohei) is a fast-growing and high-yielding tre...
Variations in Soil Properties and CO2 Emissions of a Temperate Forest Gully Soil along a Topographical Gradient
CO2 emission respiration C sequestration forest gully forest soil enzymatic activity
2024/1/11
Although forest soils play an important role in the carbon cycle, the influence of topography has received little attention. Since the topographical gradient may affect CO2 emissions and C sequestrati...
Seasonal Variations in Carbon, Nitrogen, and Phosphorus Stoichiometry of a Robinia pseudoacacia Plantation on the Loess Hilly Region, China
ecological stoichiometry plants-litter-soil seasonal variation plantation Loess Plateau
2024/1/11
Seasonal variations in stoichiometry are a crucial regulatory mechanism for plant communities that respond to environmental changes. However, the seasonal characteristics of stoichiometry in plants, l...
Spatial Variations in Fine Root Turnover, Biomass, and Necromass of Two Vegetation Types in a Karst Ecosystem, Southwestern China
biomass fine root turnover necromass production karst ecosystem
2023/12/6
Revealing the patterns of fine root turnover traits can aid our understanding of the mechanisms of fine roots in adapting to soil nutrient changes. In a karst ecosystem of southwest China, the fine ro...
Spatial Variations of Soil N2 and N2O Emissions from a Temperate Forest: Quantified by the In Situ 15N Labeling Method
15N labeling dinitrogen emission in situ N2O/(N2O + N2) ratio temperate forest water gradient
2023/12/1
Emissions of dinitrogen (N2) and nitrous oxide (N2O) from soil are important components of the global nitrogen cycle. Soil N2O emissions from terrestrial ecosystems have been well studied. However, pa...
南京农业大学农学院《Genome Biology》发表宋庆鑫课题组“Open chromatin interaction maps reveal functional regulatory elements and chromatin architecture variations during wheat evolution”（图）
Genome Biology 宋庆鑫 小麦多倍化 染色质
2022/9/19
2022年2月22日，南京农业大学宋庆鑫课题组在Genome Biology上发表了题为“Open chromatin interaction maps reveal functional regulatory elements and chromatin architecture variations during wheat evolution”的研究论文。该研究利用OCEAN-C技术绘制了不...
Extensive intraspecific gene order and gene structural variations in upland cotton cultivars
陆地棉 全基因组 比较分析遗传变异
2024/4/16
棉花是重要的工业原材料和天然纤维材料，相比于其他作物，陆地棉的遗传多样性极低，解析其形成原因，对棉花的遗传改良具有重要意义。研究人员通过对两种不同基因型的陆地棉进行全基因组比较分析，发现A08染色体上存在着大片段的遗传变异。该倒位能够将已发表的陆地棉核心种质资源材料分为两类，与利用SNP基因型重构的进化树的分类和主成分分析结果高度一致，表明陆地棉种内可能产生了分化。利用人工创制的群体和陆地棉核心种...
Variations in climate conditions affect reproductive success of Antarctic krill, study finds
climate condition reproduction of krill SAM MEI seasonal variation
2021/8/4
Climate conditions play a significant role in the reproductive success of mature female Antarctic krill and are a factor in fluctuations of the population that occur every five to seven years, a new s...
US corn and soybean maladapted to climate variations
climate variations extreme weather crop yield
2021/8/4
U.S. corn and soybean varieties have become increasingly heat and drought resistant as agricultural production adapts to a changing climate. But the focus on developing crops for extreme conditions ha...
Triterpenoid saponins in tea (Camellia sinensis) plants: biosynthetic gene expression, content variations, chemical identification and cytotoxicity
Tea saponins tea infusions anticancer activity biosynthesis gene expression tea processing
2023/4/20
Very little is known about saponins in tea and their biosynthesis in tea plants despite of theimportance. Here, we studied tea saponins and their biosynthesis genes. Saponins were promptly recovered i...
Variations in soil biological properties in poplar plantations along coastal reclamation stages
poplar plantations soil biological properties
2023/6/5
Mudflat reclamation has changed the ecological environment and soil properties in coastal areas. However, the variations in soil biological properties in areas with a history of coastal reclamation ar...
中国地质大学科学技术发展院顾延生* 等,环境学院, Climate Dynamics (2020), ENSO-related droughts and ISM variations during the last millennium in tropical southwest China（图）
中国西南热带地区；印度夏季风（ISM）；演化；干旱发生；太阳活动；ENSO驱动机制
2021/10/15
近日，中国地质大学环境学院顾延生教授团队题为《中国西南热带地区过去千年来ENSO关联的干旱与印度夏季风变化》（ENSO-related droughts and ISM variations during the last millennium in tropical southwest China）的学术论文刊发在杂志《Climate Dynamics》上，该文为深刻理解中国西南热带地区印度夏季...
Variations in Soil Respiration at Different Soil Depths and Its Influencing Factors in Forest Ecosystems in the Mountainous Area of North China
soil respiration soil depth soil temperature soil water content litter removal root cutting
2024/2/27
An in-depth understanding of the dominant factors controlling soil respiration is important to accurately estimate carbon cycling in forest ecosystems. However, information on variations in soil respi...
InDel Marker Based Estimation of Multi-Gene Allele Contribution and Genetic Variations for Grain Size and Weight in Rice (Oryza sativa L.)
Insertion/Deletion (InDel) markers genetic variation multi-gene allele contributions rice (Oryza sativa L.), grain size and weight rice germplasm
2023/8/9
The market success of any rice cultivar is exceedingly dependent on its grain appearance, as well as its grain yield, which define its demand by consumers as well as growers. The present study was und...
Dual-color oligo-FISH can reveal chromosomal variations and evolution in Oryza species
Oryza species chromosomal variation dual-color oligo-FISH karyotype
2023/8/9
Fluorescence in situ hybridization using probes based on oligonucleotides (oligo-FISH) is a useful tool for chromosome identification and karyotype analysis. Here we developed two oligo-FISH probes th...