持続的な温暖化により,海洋生物の生産性が低下する
J Keith Moore1, Weiwei Fu1, Francois Primeau2
1Department of Earth System Science, University of California, Irvine, CA, USA. jkmoore@uci.edu weiweif@uci.edu.
まとめ
気候変動は海洋生態系を 1,000年間抑制する可能性があります 温室効果ガスの排出は 栄養素の移転を引き起こし 海洋の生産性と 漁業の収穫量を 世界的に減少させています
科学分野:
- 気候科学
- 海洋学
- 生地化学
背景:
- 2100年までの気候変動予測では 重要な物理・生地化学的フィードバックが 見過ごされているかもしれません
- 累積的な温暖化の影響は 長期にわたる生態系の変化を引き起こします
研究 の 目的:
- 2100年以降の海洋生態系への気候変動の影響を調査する.
- 海洋の生産性と栄養循環に及ぼす物理的・生地化学的フィードバックの影響を分析する.
主な方法:
- 2300年まで続く 気候シミュレーションです
- 風のパターン,海温,海氷,栄養分配分の変化を分析する
- 生産のモデル化,炭素の輸出,漁業の収穫
主要な成果:
- 西風が強くなって 極に向かって移動し 表面の水温が上昇し 海の氷が失われる
- 南大洋で栄養素を密集させ 世界的に栄養素の再配分につながります
- 2300年までに海洋原産物 (24%) と炭素輸出 (41%) が著しく減少する.
- 世界漁業の収穫量は20%以上減少し,北大西洋では60%近く減少しました.
結論:
- 温室効果ガスの排出量が高いままでは 海洋生物の生産性が 千年もの間 抑制される可能性があります
- 物理的・生地化学的フィードバックは,持続的な温暖化下で海洋生態系を大幅に変化させます.
- 将来の気候変動は海洋食物網と世界の漁業に重大なリスクをもたらします
関連する概念動画
Sustainable Development
15.2K
As the human population continues to grow and use resources, we must be mindful of our planet’s natural limits. Sustainable development provides a pathway to maintain and improve human life now while also ensuring that future generations will have the resources that they need. The long-term success of sustainability efforts rests on understanding the interplay between human actions and ecological systems.
15.2K
What is Conservation Biology?
24.4K
Conservation biology is a scientific field that focuses on the preservation of biodiversity in order to protect ecosystems while meeting the needs of the human population. Humans require properly functioning ecosystems to maintain our supply of natural resources, including food, medicines, and building materials.
24.4K
Global Climate Change
29.0K
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.
29.0K
Magnetic Declination
487
Magnetic declination is the angle between true north, which aligns with the Earth's rotational axis, and magnetic north, which follows the direction of the Earth's magnetic field. This discrepancy exists because the magnetic poles do not coincide with the geographic poles. The value of magnetic declination depends on the observer's location on Earth and is subject to changes over time due to the dynamic nature of the Earth's magnetic field.The declination is called eastern when magnetic north...
487
What is Climate?
20.9K
Climate refers to the prevailing weather conditions in a specific area over an extended period. As the saying goes, “Climate is what you expect. Weather is what you get.” Climate is influenced by geographic factors, such as latitude, terrain, and proximity to bodies of water.
20.9K
Drug Products: Biologics, Biosimilars and Interchangeables
282
Body:Biologics, derived from living sources such as humans, animals, or microorganisms, represent a significant category of pharmaceuticals. These complex molecules, developed through advanced biotechnological methods or purified from natural sources, include essential medical treatments like insulin and growth hormones. The complexity of biologics arises from their large molecular structures and the intricate processes required for their production, making them distinct from conventional...
282


