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関連する概念動画

Biofuels01:25

Biofuels

The microbial conversion of organic matter into biofuels holds potential as a renewable energy source. Among biofuel sources, microalgae are recognized as a highly efficient and adaptable feedstock for biodiesel production, owing to their rapid biomass accumulation, elevated lipid productivity, and capacity to proliferate in diverse aquatic systems, including freshwater, marine, and wastewater habitats. Unlike terrestrial crops, microalgae do not compete for land and can achieve significantly...
Environmental Applications of Microorganisms01:30

Environmental Applications of Microorganisms

Microorganisms play a pivotal role in maintaining ecosystem balance by recycling essential elements such as carbon, nitrogen, and phosphorus, as well as supporting processes like bioremediation, wastewater treatment, and biofuel production.Microbes in Elemental CyclesIn the carbon cycle, microorganisms decompose organic matter, releasing carbon dioxide via aerobic respiration. This carbon dioxide is subsequently used by photosynthetic organisms to synthesize organic compounds, closing the...
Microbes and Climate Change01:27

Microbes and Climate Change

Microorganisms are pivotal agents in Earth's biogeochemical cycles, significantly influencing climate dynamics through their metabolic activities. These microbes modulate the levels of key greenhouse gases by both contributing to and helping mitigate climate change.Microbial Contributions to Greenhouse Gas EmissionsRising global temperatures accelerate microbial metabolism, which, in turn, speeds up the decomposition of organic matter. This process releases carbon dioxide (CO₂) through...
Bioremediation00:46

Bioremediation

Bioremediation is the use of prokaryotes, fungi, or plants to remove pollutants from the environment. This process has been used to remove harmful toxins in groundwater as a byproduct of agricultural run-off and also to clean up oil spills.
The Carbon Cycle01:14

The Carbon Cycle

Carbon is the basis of all organic matter on Earth, and is recycled through the ecosystem in two primary processes: one in which carbon is exchanged among living organisms, and one in which carbon is cycled over long periods of time through fossilized organic remains, weathering of rocks, and volcanic activity. Human activities, including increased agricultural practices and the burning of fossil fuels, has greatly affected the balance of the natural carbon cycle.
Microbes and Methanogenesis01:26

Microbes and Methanogenesis

Methanogenesis is a critical microbial process in anaerobic ecosystems responsible for the biological production of methane, a potent greenhouse gas and valuable biofuel. This metabolic pathway is primarily facilitated by methanogenic archaea, which thrive in anoxic environments such as wetlands, sediments, and animal gastrointestinal tracts. The absence of oxygen in these habitats prevents aerobic respiration, thereby favoring alternative biochemical pathways for organic matter degradation.In...

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関連する実験動画

Updated: Jun 18, 2026

Laboratory Production of Biofuels and Biochemicals from a Rapeseed Oil through Catalytic Cracking Conversion
11:33

Laboratory Production of Biofuels and Biochemicals from a Rapeseed Oil through Catalytic Cracking Conversion

Published on: September 2, 2016

バイオ燃料による間接的な排出量:重要度?

Jerry M Melillo1, John M Reilly, David W Kicklighter

  • 1The Ecosystems Center, Marine Biological Laboratory (MBL), 7 MBL Street, Woods Hole, MA 02543, USA. jmelillo@mbl.edu

Science (New York, N.Y.)
|November 26, 2009
PubMed
まとめ

グローバルなセルロース生物エネルギープログラムの拡大は,土地利用の変化による温室効果ガスの排出量を増加させる可能性があります. 森林を保護し,窒素肥料の使用を最適化することは,これらのバイオ燃料生産排出量を軽減する鍵です.

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Biomass Conversion to Produce Hydrocarbon Liquid Fuel Via Hot-vapor Filtered Fast Pyrolysis and Catalytic Hydrotreating
11:28

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Published on: December 25, 2016

Investigating the Microbial Community in the Termite Hindgut - Interview
21:02

Investigating the Microbial Community in the Termite Hindgut - Interview

Published on: May 28, 2007

関連する実験動画

Last Updated: Jun 18, 2026

Laboratory Production of Biofuels and Biochemicals from a Rapeseed Oil through Catalytic Cracking Conversion
11:33

Laboratory Production of Biofuels and Biochemicals from a Rapeseed Oil through Catalytic Cracking Conversion

Published on: September 2, 2016

Biomass Conversion to Produce Hydrocarbon Liquid Fuel Via Hot-vapor Filtered Fast Pyrolysis and Catalytic Hydrotreating
11:28

Biomass Conversion to Produce Hydrocarbon Liquid Fuel Via Hot-vapor Filtered Fast Pyrolysis and Catalytic Hydrotreating

Published on: December 25, 2016

Investigating the Microbial Community in the Termite Hindgut - Interview
21:02

Investigating the Microbial Community in the Termite Hindgut - Interview

Published on: May 28, 2007

科学分野:

  • 環境科学 環境科学
  • 気候科学 気候科学
  • 農業科学 農業科学とは

背景:

  • グローバルなバイオ燃料プログラムは,土地供給の圧力に直面しています.
  • バイオ燃料による土地利用の変化は,温室効果ガスの排出量を増加させる可能性があります.

研究 の 目的:

  • 地球規模のセルロース基生物エネルギープログラムによる温室効果ガス排出量に対する直接的・間接的な土地利用の変化の影響を調査する.
  • 21世紀における影響を評価するためです.

主な方法:

  • リンクされた経済と地上の生地化学モデルを利用した.
  • 拡張されたグローバルなセルロース生物エネルギープログラムによる土地利用の潜在的な変化を分析した.

主要な成果:

  • 間接的な土地利用は,直接的な土地利用 (最大2倍) よりもはるかに多くの炭素の損失を引き起こすと予測されています.
  • 肥料の使用量の増加による酸化窒素の排出は,炭素の損失よりも温暖化の可能性にとってより重要であると予測されています.
  • 森林を保護し,窒素肥料の使用のベストプラクティスを促進するグローバルな政策は,バイオ燃料生産の排出量を大幅に削減することができます.

結論:

  • バイオ燃料の拡大は,気候変動の影響を軽減するために,土地利用の管理を慎重にする必要がある.
  • 森林保護と窒素肥料管理に焦点を当てた政策介入は,持続可能なバイオ燃料生産に不可欠です.