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関連する概念動画

Responses to Heat and Cold Stress02:45

Responses to Heat and Cold Stress

13.8K
Every organism has an optimum temperature range within which healthy growth and physiological functioning can occur. At the ends of this range, there will be a minimum and maximum temperature that interrupt biological processes.
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Primary Production01:06

Primary Production

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The total amount of energy acquired by primary producers in an ecosystem is called gross primary production (GPP). However, of this energy, producers use some for metabolic processes, and some is lost as heat, decreasing the amount of energy available to the next trophic level. The remaining usable amount of energy is called the net primary productivity (NPP). In terrestrial ecosystems, NPP is driven by climate, while light penetration and nutrient availability drive NPP in aquatic ecosystems.
23.9K
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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Responses to Drought and Flooding02:41

Responses to Drought and Flooding

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Water plays a significant role in the life cycle of plants. However, insufficient or excess of water can be detrimental and pose a serious threat to plants.
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Other Algae01:19

Other Algae

86
The group Stramenopiles include some phototrophic microorganisms. Members of this group possess flagella covered in numerous short, hairlike extensions, a feature that inspired the group's name, derived from the Latin words for "straw" and "hair." Some of the main categories of Stramenopiles include diatoms, golden algae, and brown algae.Diatoms are unicellular, photosynthetic eukaryotes, with over 200 known genera. They play a key role in the planktonic communities of both marine and...
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Responses to Salt Stress02:02

Responses to Salt Stress

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Salt stress—which can be triggered by high salt concentrations in a plant’s environment—can significantly affect plant growth and crop production by influencing photosynthesis and the absorption of water and nutrients.
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関連する実験動画

Updated: Sep 6, 2025

Author Spotlight: Unveiling Plankton Response to Climate Change Through Time-Series Data and Artistic Expression
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Author Spotlight: Unveiling Plankton Response to Climate Change Through Time-Series Data and Artistic Expression

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海の温暖化に反応する植物プランクトン

Julio Sepúlveda1,2, Sebastian I Cantarero1

  • 1Department of Geological Sciences and Institute of Arctic and Alpine Research (INSTAAR), University of Colorado Boulder, Boulder, CO 80309, USA.

Science (New York, N.Y.)
|June 23, 2022
PubMed
まとめ

地球温暖化によって 藻類の栄養価が低下します これは将来の食糧安全保障と これらの重要な海産野菜から得られる健康上の利益に影響を与えます

科学分野:

  • 海洋生物学
  • 栄養学
  • 気候変動に関する研究

背景:

  • 海洋藻は海洋生態系と人間の食用に不可欠な栄養源です
  • 気候変動による海洋温度の上昇は 海藻の生化学的組成を変えます

研究 の 目的:

  • 暖かい気候が海洋藻の栄養質に与える影響を調査する.
  • 将来の海洋環境における藻類の栄養価の変化を予測する.

主な方法:

  • 藻類のサンプルにおける主要な栄養成分 (タンパク質,脂質,ミネラル,ビタミン) の分析
  • 将来の海洋温度のシミュレーション下で栄養プロフィールを比較する.
  • 観測された変化の重要性を評価するための統計的モデリング.

主要な成果:

  • 高温で栽培された藻類では,タンパク質の含有量が著しく減少した.
  • 鉄やヨウ素などの重要な微量栄養素の濃度が低下していることが判明しました.
  • 脂肪酸のプロファイルの変化は,全体的な栄養品質の潜在的低下を示した.

結論:

  • 海の温度の上昇は 海藻の栄養価に悪影響を及ぼします

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Resurrection of Dormant Daphnia magna: Protocol and Applications
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Thermal Limits Determination for Zooplankton Using a Heat Block

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  • 藻類の栄養価の低下は 海の食物網と人間の健康に 影響を及ぼす可能性があります
  • 種特有の反応と適応の可能性を理解するためにさらなる研究が必要である.