Jove
Visualize
お問い合わせ

関連する概念動画

Stability of Conjugated Dienes01:28

Stability of Conjugated Dienes

3.4K
Introduction
A comparison of the enthalpies of hydrogenation of dienes reveals that conjugated dienes release less heat on hydrogenation, rendering them more stable than their nonconjugated analogs.
3.4K
Stability of Equilibrium Configuration01:23

Stability of Equilibrium Configuration

1.0K
Understanding the stability of equilibrium configurations is a fundamental part of mechanical engineering. In any system, there are three distinct types of equilibrium: stable, neutral, and unstable.
A stable equilibrium occurs when a system tends to return to its original position when given a small displacement, and the potential energy is at its minimum. An example of a stable equilibrium is when a cantilever beam is fixed at one end and a weight is attached to the other end. If the weight...
1.0K
Stability of Equilibrium Configuration: Problem Solving01:13

Stability of Equilibrium Configuration: Problem Solving

1.2K
The stability of equilibrium configurations is an important concept in physics, engineering, and other related fields. In simple terms, it refers to the tendency of an object or system to return to its equilibrium position after being disturbed. The stability of an equilibrium configuration can be analyzed by considering the potential energy function of the system and examining its behavior near the equilibrium point.
Problem-solving in the context of the stability of equilibrium configuration...
1.2K
Stability of structures01:14

Stability of structures

679
In mechanical engineering, the stability of systems under various forces is critical for designing durable and efficient structures. One fundamental way to explore these concepts is by analyzing systems like two rods connected at a pivot point, O, with a torsional spring of spring constant k at the pivot point. This system is similar in appearance to a scissor jack used to change tires on a car. In this case, the arms of the linkage (equivalent to the rods in this system) are entirely vertical,...
679
Stability01:28

Stability

521
The time response of a linear time-invariant (LTI) system can be divided into transient and steady-state responses. The transient response represents the system's initial reaction to a change in input and diminishes to zero over time. In contrast, the steady-state response is the behavior that persists after the transient effects have faded.
The stability of an LTI system is determined by the roots of its characteristic equation, known as poles. A system is stable if it produces a bounded...
521
Causes of Similarity-Dissimilarity Effect01:26

Causes of Similarity-Dissimilarity Effect

394
The similarity-dissimilarity effect, a fundamental concept in social psychology, explains how interpersonal similarities and differences influence attraction and social interactions. This effect is supported by three key psychological perspectives: balance theory, social comparison theory, and consensual validation.Balance Theory and Cognitive ConsistencyBalance theory, developed by Fritz Heider, posits that individuals seek cognitive consistency in their relationships. When two people share...
394

こちらも読む

関連記事

共著者、ジャーナル、引用グラフによってこの研究に関連する記事。

並び替え
Same author

Diversity loss with persistent human disturbance increases vulnerability to ecosystem collapse.

Nature·2013
Same author

Cross-ecosystem differences in stability and the principle of energy flux.

Ecology letters·2011
Same author

The dynamics of spatially coupled food webs.

Ecology letters·2011
Same author

A dynamical approach to evaluate risk in resource management.

Ecological applications : a publication of the Ecological Society of America·2006
JoVE
x logofacebook logolinkedin logoyoutube logo
JoVEについて
概要リーダーシップブログJoVEヘルプセンター
著者向け
出版プロセス編集委員会範囲と方針査読よくある質問投稿
図書館員向け
推薦の声購読アクセスリソース図書館諮問委員会よくある質問
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experimentsアーカイブ
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教員リソースセンター教員サイト
利用規約
プライバシーポリシー
ポリシー

関連する実験動画

Updated: May 7, 2026

Experimental Protocol for Manipulating Plant-induced Soil Heterogeneity
08:16

Experimental Protocol for Manipulating Plant-induced Soil Heterogeneity

Published on: March 13, 2014

17.7K

多様性-安定性に関する議論

K S McCann1

  • 1Department of Biology, McGill University, Montreal, Quebec, Canada.

Nature
|May 23, 2000
PubMed
まとめ

地球の生物多様性は減少しており,生態系を脅かしています. 種多様性の減少は,生態学的コミュニティの簡素化を加速し,生命維持システムの基本に影響を与えます.

科学分野:

  • エコロジー エコロジー エコロジー
  • 生物多様性 科学 科学 生物多様性
  • 保護生物学の保護生物学

背景:

  • 世界の生物多様性は,驚くべきペースで減少しています.
  • 米国の植物と動物種の3分の1は絶滅の危機に直面しています.
  • 生態系,つまり生命を支える重要なシステムは,多様性の喪失によって脅かされています.

研究 の 目的:

  • 生態学における多様性-安定性議論をレビューする.
  • 生物多様性の減少に関する歴史的視点と最近の進歩を統合する.
  • 種多様性と生態系の安定性との関係を調査する.

主な方法:

  • 理論的および経験的研究を統合した文献レビュー.
  • 生態コミュニティに関する歴史的および現代的な研究の分析.
  • 生態系の機能に対する生物多様性の減少の影響の検討.

主要な成果:

  • 理論と経験的証拠の両方が,多様性の減少と生態系の簡素化との間にある相関を示しています.
  • 生物多様性の減少は,より複雑な生態系のコミュニティを生み出します.
  • 生態コミュニティの簡素化は,生態系の安定性と機能に影響を及ぼします.

さらに関連する動画

Following the Dynamics of Structural Variants in Experimentally Evolved Populations
04:52

Following the Dynamics of Structural Variants in Experimentally Evolved Populations

Published on: February 3, 2023

1.2K
JenaTron - An Experimental Approach to Study the Effects of Plant History and Soil History on Grassland Ecosystem Functioning
09:23

JenaTron - An Experimental Approach to Study the Effects of Plant History and Soil History on Grassland Ecosystem Functioning

Published on: March 21, 2025

1.8K

関連する実験動画

Last Updated: May 7, 2026

Experimental Protocol for Manipulating Plant-induced Soil Heterogeneity
08:16

Experimental Protocol for Manipulating Plant-induced Soil Heterogeneity

Published on: March 13, 2014

17.7K
Following the Dynamics of Structural Variants in Experimentally Evolved Populations
04:52

Following the Dynamics of Structural Variants in Experimentally Evolved Populations

Published on: February 3, 2023

1.2K
JenaTron - An Experimental Approach to Study the Effects of Plant History and Soil History on Grassland Ecosystem Functioning
09:23

JenaTron - An Experimental Approach to Study the Effects of Plant History and Soil History on Grassland Ecosystem Functioning

Published on: March 21, 2025

1.8K

結論:

  • 生物多様性の減少は,生態系のコミュニティを簡素化する.
  • 多様性と安定性の関係を理解することは,生態系管理において極めて重要です.
  • 生態系の回復力に対する生物多様性喪失の影響を完全に把握するためには,さらなる研究が必要である.