コメント "世界の樹木回復の可能性"
Simon L Lewis1,2, Edward T A Mitchard3, Colin Prentice4
1Department of Geography, University College London, London WC1E 6BT, UK. s.l.lewis@leeds.ac.uk.
まとめ
気候変動の最も効果的な解決策は 地球規模の木の回復という主張に 異議を唱える新しい研究があります この研究では,炭素の回復の可能性と熱帯森林の損失の予測が不正確であることが判明しました.
科学分野:
- エコロジー
- 気候科学
- 林業
背景:
- 最近の報告書によると 全世界の森林再生の可能性は205ギガトンの炭素です
- このレポートでは 樹木の回復が 気候変動の最も効果的な解決策であると結論付けました
- 報告書は2050年までに 気候変動による熱帯森林の減少も予測している.
研究 の 目的:
- 森林の再生による 炭素吸収の可能性を再評価する
- 気候変動の緩和戦略として樹木の回復の効果を批判的に評価する.
- 気候変動が既存の熱帯林の生態系に及ぼす影響について検討する.
主な方法:
- 森林の炭素貯蔵と再生の可能性に関する既存のデータの分析
- 気候モデルと熱帯林の生態系に対する予測の検討
- 生態学と気候科学の確立された原則と復元数値の比較
主要な成果:
- 森林の回復の可能性は以前よりかなり低いと推定されています.
- 樹木の回復は有益ですが 気候変動の最も効果的な解決策ではありません
- 2050年までに 気候変動による熱帯雨林の 損失が予想されていることは 過大評価されている可能性が高い.
結論:
- 森林の回復の可能性と効率性に関する主張は 過大評価されている.
- 樹木の回復のみを 気候変動の第一の解決策として考えるのは 科学的に根拠のないことです
- 気候変動と森林保全に取り組むためにさらなる研究と微妙な戦略が必要です.
関連する概念動画
Threats to Biodiversity
26.4K
There have been five major extinction events throughout geological history, resulting in the elimination of biodiversity, followed by a rebound of species that adapted to the new conditions. In the current geological epoch, the Holocene, there is a sixth extinction event in progress. This mass extinction has been attributed to human activities and is thus provisionally called the Anthropocene. In 2019 the human population reached 7.7 billion people and is projected to comprise 10 billion by...
26.4K
Survival Tree
358
Survival trees are a non-parametric method used in survival analysis to model the relationship between a set of covariates and the time until an event of interest occurs, often referred to as the "time-to-event" or "survival time." This method is particularly useful when dealing with censored data, where the event has not occurred for some individuals by the end of the study period, or when the exact time of the event is unknown.
Building a Survival Tree
Constructing a...
Building a Survival Tree
Constructing a...
358
Meristems and Plant Growth
48.9K
Plants grow throughout their lives; this is called indeterminate growth, and it distinguishes plants from most animals. Although certain parts of plants stop growing (e.g., leaves and flowers), others grow continuously—like roots and stems.
48.9K
Overview of Regeneration and Repair
5.0K
Regeneration and repair processes are critical in healing damages caused by injury, disease, and aging. In regeneration, the damaged tissue is entirely replaced with new growth that restores the original architecture and function. In contrast, tissue repair usually results in a fixed tissue architecture involving scar formation. Scars generally do not reestablish tissue function and may also exhibit structural abnormalities at the injury site.
Regeneration
All animals have varying degrees of...
Regeneration
All animals have varying degrees of...
5.0K
Habitat Fragmentation
20.9K
Habitat fragmentation describes the division of a more extensive, continuous habitat into smaller, discontinuous areas. Human activities such as land conversion, as well as slower geological processes leading to changes in the physical environment, are the two leading causes of habitat fragmentation. The fragmentation process typically follows the same steps: perforation, dissection, fragmentation, shrinkage, and attrition.
20.9K
Transgenic Plants
8.4K
Recombinant DNA technology called transgenesis is often used to add a foreign gene or remove a detrimental gene from an organism. Such genetically modified organisms are called transgenic organisms.
The first-ever transgenic plant was a tobacco plant developed in 1983 that showed resistance against the tobacco mosaic virus. Since then, many transgenic plants have been developed and commercialized for improving the agricultural, ornamental, and horticultural value of a crop plant. Transgenic...
The first-ever transgenic plant was a tobacco plant developed in 1983 that showed resistance against the tobacco mosaic virus. Since then, many transgenic plants have been developed and commercialized for improving the agricultural, ornamental, and horticultural value of a crop plant. Transgenic...
8.4K


