搜索结果: 1-15 共查到“Year”相关记录773条 . 查询时间(0.15 秒)
El Niño: Malawi’s harvest of maize – its staple food – may fall by 22.5% this year
El Niñ o Malawi harvest of maize staple food
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2024/4/1
Maize is the preferred staple of most of southern Africa. In Malawi it supplies two-thirds of national calorie intake. Nine out of 10 farming households produce maize and devote over 70% of their...
Influence of stand thinning and repeated fertilization on plant community abundance and diversity in young lodgepole pine stands: 15-year results
Biodiversity British Columbia Fertilization Forest management Lodgepole pine Plant productivity
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2024/1/19
Enhanced forest productivity may provide the supply of wood fiber to keep pace with increasing global demand for wood products and the growing constraints on the harvestable land base imposed by measu...
No impact to Japan's nuclear plants following New Year’s Day quakes（图）
地震 日本核电站 灾害学
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2024/1/31
A series of earthquakes on New Year’s Day that resulted in a tsunami warning and prompted evacuations from Japan’s west coast caused no irregularities at the country’s nuclear plants, Japanese officia...
Reactor dome lift caps year at Hinkley Point C（图）
Hinkley Point C 反应堆 圆顶提升 堆工程技术
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2024/1/31
EDF Energy’s new nuclear build megaproject at Hinkley Point C last Friday moved forward—or, more literally, upward then downward—when workers, with a substantial assist from Big Carl, the world’s larg...
Structural Features of a Post-Clear-Cutting Ecotone between 90-Year-Old Bilberry Spruce Forest and 35-Year-Old Herbs-Forbs Deciduous Stand
ecotone complex bilberry-type spruce forest deciduous stand clear-cut edge effect ground vegetation epiphytes tree fine root biomass
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2023/12/1
In a natural regeneration process, a community dominated by birch and aspen forms in the site 35 years after a bilberry-type spruce stand is logged down. The newly formed ecotone complex consists of f...
Year-round navigation of eastern part of Northern Sea Route planned for 2024（图）
浮动动力装置 北海航线 核动力船
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2023/5/19
Russia's plans to rapidly expand the Northern Sea Route will ultimately need up to 100 Arctic-class vessels and 15 floating power units, and a "truly historic decision" had been taken "to launch year-...
Boss confident of Honeymoon restart by year-end（图）
原位浸出 核燃料 铀矿
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2023/4/25
Boss Energy Limited said it is "well on track to be Australia's next uranium producer, with strong progress on all fronts" at its Honeymoon in-situ leach (ISL) uranium project in South Australia. Prod...
Study of global climate-related mortality links five million deaths a year to abnormal temperatures
abnormal temperature global warming climate change death
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2021/8/4
Researchers recently discovered that the ability of agricultural grasses to withstand drought is directly related to the health of the microbial community living on their stems, leaves and seeds.
Spatial and seasonal variation of water parameters, sediment properties, and submerged macrophytes after ecological restoration in a long-term (6 year) study in Hangzhou west lake in China
Hangzhou west lake macrophytes ecological restoration
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2021/7/28
Submerged macrophyte restoration is the key stage in the reestablishment of an aquatic ecosystem.
Fossil evidence of 'hibernation-like' state in 250-million-year-old Antarctic animal（图）
Fossil hibernation-like state 250-million-year-old Antarctic animal
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2020/9/4
Hibernation is a familiar feature on Earth today. Many animals -- especially those that live close to or in polar regions -- hibernate to get through tough winter months when food is scarce, temperatu...
Lightning strikes more than 100 million times per year in the tropics（图）
Lightning strikes 100 million times per year tropics
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2020/7/31
Scientists at the Smithsonian Tropical Research Institute in Panama have published dramatic maps showing the locations of lightning strikes across the tropics.Based on ground and satellite d...
中国地质大学科学技术发展院刘红叶（博士后），顾延生*等环境学院. Journal of Hydrology (2020), Holocence peatland water regulation response to ～1000-year solar cycle indicated by phytoliths in central China
全新；世泥炭地；水分调节；响应；太阳活动；千年周期；植硅体
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2021/10/15
近日，中国地质大学环境学院顾延生教授团队在杂志《Journal of Hydrology》上发表题为《全新世泥炭地水分调节响应了太阳活动的千年周期：来自植硅体记录》（Holocence peatland water regulation response to ～1000-year solar cycle indicated by phytoliths in central China）的学术论文...
300-million-year-old fish resembles a sturgeon but took a different evolutionary path（图）
300-million-year-old resembles sturgeon different evolutionary path
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2020/7/3
Sturgeon, long-lived, bottom-dwelling fish, are often described as living fossils. Their form has remained relatively constant, despite hundreds of millions of years of evolution.In a National Sc...
Tree Communities in Three-Year-Old Post-Mining Sites Under Different Forest Restoration Techniques in the Brazilian Amazon
dispersal importance value index pollination seed sources
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2024/2/4
Forest loss and degradation in the Brazilian Amazon due to mining activities has been intense for many years. To reverse this situation, a range of restoration programs for deforested and degraded are...
Researchers discover 66-million-year-old badger-like animal（图）
Researchers 66-million-year-old badger-like animal
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2020/5/9
In evolutionary terms, islands are the stuff of weirdness. It is on islands where animals evolve in isolation, often for millions of years, with different food sources, competitors, predators, and par...