関連する実験動画
Updated: Feb 9, 2026

09:37
Helminth Collection and Identification from Wildlife
Published on: December 14, 2013
16.6K
野生生物の夜行性に対する人間の干渉の影響
Kaitlyn M Gaynor1, Cheryl E Hojnowski2, Neil H Carter3
1Department of Environmental Science, Policy, and Management, University of California-Berkeley, Berkeley, CA 94720, USA. kgaynor@berkeley.edu.
まとめ
人間の活動により 野生動物の行動が変化し 夜更かしが活発になっています 哺乳類の活動パターンのこの世界的な傾向は共存を助けますが 動物の健康と進化に影響を与える可能性があります
科学分野:
- エコロジー
- 保護生物学
- 動物 の 行動
背景:
- 人類の拡大により 野生生物の空間分布が大きく変化します
- 動物の時間的な活動パターンに対する人間の干渉の影響は,ほとんど定量化されていない.
研究 の 目的:
- 哺乳類のダイアル活動パターンに対する人間の干渉の累積的影響を定量化する.
- 人為的な圧力に対する野生生物の時間的動態の変化を評価する.
主な方法:
- 六大陸の62種の哺乳類を対象とした76の研究をメタ分析した.
- ダイアル活動パターンのデータを分析し,様々な人間の障害因子と関連付けました.
主要な成果:
- 哺乳類の日常活動パターンに人類が及ぼす影響が顕著であった.
- 動物は人間の干渉によって夜間活動が平均1. 36倍に増加した.
- この反応は,様々な地理的,生息地,分類的グループで一貫していました.
結論:
- 哺乳類は人間の足跡を増やすことで 人を避けることが一般的です
- この行動の変化は 人間と野生生物の共存を促進するために 極めて重要です
- しかし,これらの変化は動物の健康,人口動態,コミュニティの相互作用,進化の軌跡に深い影響を及ぼします.
関連する概念動画
Ecological Disturbance
21.1K
An ecological disturbance is a temporary disruption in the environment resulting from abiotic, biotic, or anthropogenic factors, causing a pronounced change in an ecosystem. The impact of an ecological disturbance, which can depend on its intensity, frequency, and spatial distribution, plays a significant role in shaping the species diversity within the ecosystem.
21.1K
Disturbances in Heart Rhythm
3.0K
Arrhythmia or dysrhythmia refers to an abnormal heart rhythm caused by a defect in the heart's conduction system. It can cause the heart to beat irregularly, too quickly, or too slowly, leading to symptoms like chest pain, shortness of breath, and fainting. Factors such as stress, caffeine, alcohol, nicotine, cocaine, certain drugs, congenital defects, diseases, and electrolyte abnormalities can trigger arrhythmias.
Arrhythmias are categorized by their speed, rhythm, and origin. A slow heart...
Arrhythmias are categorized by their speed, rhythm, and origin. A slow heart...
3.0K
The Influence of Affect on Cognition
296
Positive affect significantly influences cognitive processes, including evaluation, memory, creativity, and social judgments. Compared to negative affect, positive emotional states promote more favorable interpretations of stimuli, cognitive flexibility, and heuristic processing. These effects highlight emotions' powerful role in shaping how individuals perceive, remember, and interact with the world.Influence on Evaluation and AttributionWhen individuals experience positive affect, they are...
296
The Influence of Cognition on Affect
223
Cognition plays a pivotal role in shaping emotional experiences, as demonstrated by Schachter and Singer’s two-factor theory of emotion. According to this model, emotion arises from a combination of physiological arousal and cognitive interpretation. The body’s physiological response to stimuli is ambiguous and only gains emotional significance through cognitive labeling. For instance, an increased heart rate and adrenaline surge while standing near an attractive person may be...
223
Bioavailability: Influencing Factors
400
Bioavailability refers to the extent and rate at which a drug reaches systemic circulation in its active form. Extent refers to the amount of the drug that makes it into circulation, while rate is the speed at which it enters circulation. It is influenced by several factors critical for optimizing drug formulations, dosing regimens, and therapeutic outcomes.Physicochemical properties of drugs and formulationsThe solubility, stability, and dissolution rate of a drug significantly impact its...
400
Biological Influences on Intelligence
555
Intelligence is often thought to be linked to brain size, but the relationship is more complex than that. While brain size does correlate modestly with some abilities, like verbal skills, the connection is weaker for others, such as spatial reasoning. Other factors, like brain structure, also play crucial roles. For instance, despite Einstein's smaller-than-average brain, his parietal cortex, which is involved in spatial reasoning, was 15% wider, suggesting that neural density might matter...
555

