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相关概念视频

The Carbon Cycle01:14

The Carbon Cycle

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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.
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Conservation of AC Power01:15

Conservation of AC Power

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The principle of power preservation is applicable to both ac and dc circuits. This principle, when applied to AC power, asserts that the complex, real, and reactive powers produced by the source are equal to the total complex, real, and reactive powers absorbed by the loads. When two load impedances are connected in parallel to an ac source V, the complex power provided by the source can be calculated using the relation
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Short-distance Transport of Resources02:12

Short-distance Transport of Resources

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Short-distance transport refers to transport that occurs over a distance of just 2-3 cells, crossing the plasma membrane in the process. Small uncharged molecules, such as oxygen, carbon dioxide, and water, can diffuse across the plasma membrane on their own. In contrast, ions and larger molecules require the assistance of transport proteins due to their charge or size. Transport across membranes also occurs within individual cells, playing a variety of essential roles for the plant as a whole.
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Trophic Efficiency00:46

Trophic Efficiency

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Trophic level transfer efficiency (TLTE) is a measure of the total energy transfer from one trophic level to the next. Due to extensive energy loss as metabolic heat, an average of only 10% of the original energy obtained is passed on to the next level. This pattern of energy loss severely limits the possible number of trophic levels in a food chain.
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Softwoods and Hardwoods01:28

Softwoods and Hardwoods

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Softwoods and hardwoods, derived from different types of trees, are distinguished by their leaf structures and cellular compositions, each serving unique purposes in construction and manufacturing. Softwoods come from cone-bearing trees with needle-like leaves and are predominantly composed of longitudinal cells called tracheids and a smaller proportion of radial cells known as rays. Due to their cellular structure, softwoods are commonly used in construction for structural frames, sheathing,...
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Global Climate Change01:50

Global Climate Change

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Throughout its ~4.5 billion year history, the Earth has experienced periods of warming and cooling. However, the current drastic increase in global temperatures is well outside of the Earth’s cyclic norms, and evidence for human-caused global climate change is compelling. Paleoclimatology, the study of ancient climate conditions, provides ample evidence for human-caused global climate change by comparing recent conditions with those in the past.
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相关实验视频

Updated: May 29, 2025

Measurements of CO2 Fluxes at Non-Ideal Eddy Covariance Sites
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Measurements of CO2 Fluxes at Non-Ideal Eddy Covariance Sites

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对于以森林为基础的碳市场,远程连接不能被忽视.

Brooke A Williams1,2,3, Jean-Paul Metzger4, Frankie Cho1,2,3,5

  • 1School of Biology and Environmental Science, Queensland University of Technology, Brisbane, Queensland, Australia.

Bioscience
|February 6, 2025
PubMed
概括
此摘要是机器生成的。

基于森林的碳市场对全球社会生态系统造成了未被报告的负面影响. 建议包括优先考虑社会利益,生态成果和投资透明度,以实现更相互连接的碳市场.

关键词:
碳信用是指碳信用的使用.碳排放的抵消 碳排放的抵消气候变化 气候变化 气候变化保护 保护 保护恢复 恢复 恢复

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科学领域:

  • 生态经济学生态经济学
  • 全球环境变化 全球环境变化
  • 社会生态系统分析系统分析

背景情况:

  • 社会生态系统中的远程连接相互作用可能会导致意想不到的负面后果.
  • 基于森林的碳市场的全球影响力加剧了这些影响.
  • 报告不足导致这些负面外部性被低估.

研究的目的:

  • 确定森林碳市场带来的负面影响的机制.
  • 为改善森林碳市场提供建议.
  • 倡导一个承认全球相互联系的碳市场.

主要方法:

  • 在社会生态系统中的远程连接相互作用的分析.
  • 审查与森林碳市场相关的影响.
  • 识别外部性和报告不足的后果.

主要成果:

  • 远程连接对以森林为基础的碳市场产生负面影响.
  • 这些负面影响目前被低估和低估.
  • 现有的市场机制未能充分考虑跨系统外部性.

结论:

  • 森林碳市场需要提高透明度和问责制.
  • 优先考虑积极的社会影响和全面的生态成果至关重要.
  • 可持续的碳市场需要一种全球互联的方法.