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Accumulated Heating and Chilling Are Important Drivers of Forest Phenology and Productivity in the Algonquin-to-Adirondacks Conservation Corridor of Eastern North America
forest phenology productivity temperature random forest partial dependence
2024/1/10
Research Highlights: Forest phenology and productivity were responsive to seasonal heating and chilling accumulation, but responses differed across the temperature range. Background and Objectives: Te...
Understory Plant Abundance Is More Important than Species Richness in Explaining Soil Nutrient Variation Following Afforestation on the Eastern Loess Plateau, China
afforestation soil organic carbon total nitrogen total phosphorus understory vegetation biomass
2023/12/1
Afforestation plays an important role in controlling soil erosion and nutrient loss on the Loess Plateau in China. However, previous studies on soil nutrient changes have mainly focused on the effects...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：erration split-plot designs via complementary sets when the whole plot factors are important
图因子 互补集 错误分割图设计
2023/5/15
In practice, fractional factorial split-plot (FFSP) designs are widely used when the levels of some factors are very difficult to change or control. The factors of an FFSP design are divided into two ...
“We have been interested in the romantic life of the parasite Cryptosporidium for some time,” says Boris Striepen, a scientist in Penn’s School of Veterinary Medicine.
Zeroing in on the origins of Earth’s “single most important evolutionary innovation”（图）
地球 进化创新 含氧光合作用
2023/6/21
Some time in Earth’s early history, the planet took a turn toward habitability when a group of enterprising microbes known as cyanobacteria evolved oxygenic photosynthesis — the ability to turn light ...
New technology will allow important metals to be made more efficiently
metallic oxide thin film electronic components
2021/8/9
Researchers have invented a cheaper, safer, and simpler technology that will allow a 'stubborn' group of metals, such as the Pt-group elements, to be transformed into thin films for various practical ...
Floods may be nearly as important as droughts for future carbon accounting
photosynthesis carbon accounting flood drought
2021/8/4
In a 34-year global analysis, researchers found that photosynthesis -- an important process for removing carbon dioxide from the atmosphere and storing it in soil -- was controlled by extreme wet even...
Unlike the many charismatic mammals, fish and birds that receive our attention, parasites are thought of as something to eradicate -- not something to protect.But only 4% of known parasites can infect...
Important role of forest disturbances in the global biomass turnover and carbon sinks
CLIMATE FIRE TIME MANAGEMENT DYNAMICS BOREAL IMPACT STOCK MAP
2024/2/5
Forest disturbances that lead to the replacement of whole tree stands are a cornerstone of forest dynamics, with drivers that include fire, windthrow, biotic outbreaks and harvest. The frequency of di...
Study reveals changing patterns in globally important algae（图）
changing patterns globally algae
2019/10/21
Globally important ocean algae called coccolithophores are mysteriously scarce in one of the most productive regions of the Atlantic Ocean, according to a new paper in Deep Sea Research I. A massive d...
Building a scientific and ecological earth–on an important field of geo-science: Geo-environment and construction engineering effect
Science Ecology Earth Development Effect
2018/3/23
his paper explores the 12 aspects of geo-environment and construction engineering, including the earth evolution, the structure of geological bodies, the comprehensive utilization of resources, the ge...
Stanford research finds that diversity of large animals plays an important role in carbon cycle
Stanford diversity of large animals plays carbon cycle
2017/10/25
Trees in tropical forests are well known for removing carbon dioxide from the air and storing the potent greenhouse gas as carbon in their leafy branches and extensive roots. But a new analysis led by...
First record of a new alien economically important thrips Dichromothrips corbetti (Priesner, 1936) (Thysanoptera: Thripidae) in Slovakia – short communication
orchids pest Phalaenopsis spp. vanda thrips
2017/6/26
The first record of vanda thrips (Dichromothrips corbetti [Priesner, 1936], Thysanoptera, Thripidae) in Slovakia is presented. An economically important pest with heavy infestations on flowers of Phal...
昆明理工大学理学院概率论与数理统计课件Chapter 6 Random Sampling--Some Important Statistics
昆明理工大学理学院 概率论与数理统计 课件 Chapter 6 Random Sampling Some Important Statistics
2017/4/17
昆明理工大学理学院概率论与数理统计课件Chapter 6 Random Sampling--Some Important Statistics.
昆明理工大学理学院概率论与数理统计课件Chapter 4 The Expectation and Variance--Some Important Expectations&Variance
昆明理工大学理学院 概率论与数理统计 课件 Chapter 4 The Expectation and Variance Some Important Expectations&Variance
2017/4/17
昆明理工大学理学院概率论与数理统计课件Chapter 4 The Expectation and Variance--Some Important Expectations&Variance.