Related Experiment Video
Updated: Feb 5, 2026
07:25
Basic Methods for the Study of Reproductive Ecology of Fish in Aquaria
Published on: July 20, 2017
12.0K
Transient phenomena in ecology
Alan Hastings1, Karen C Abbott2, Kim Cuddington3
1Department of Environmental Science and Policy, University of California, Davis, CA 95616, USA. amhastings@ucdavis.edu.
Science (New York, N.Y.)
|September 8, 2018
Summary
Ecological systems exhibit transient dynamics, which are often studied in isolation. This research classifies these dynamics using dynamical systems theory, aiding in predicting sudden shifts and informing ecological management and theory.
Area of Science:
- Ecology
- Dynamical Systems Theory
Background:
- Transient dynamics in ecological systems are increasingly recognized but often studied in isolation.
- Existing research lacks a unified framework for understanding and classifying these dynamics.
Purpose of the Study:
- To review empirical and model systems of transient ecological dynamics.
- To propose a classification of transient dynamics using dynamical systems theory.
- To provide a framework for predicting the timing and characteristics of sudden ecological shifts.
Main Methods:
- Literature review of empirical examples and model systems.
- Application of dynamical systems theory concepts.
- Development of a classification scheme for transient dynamics.
Main Results:
- A classification of transient dynamics based on dynamical systems theory is presented.
- The classification aids in understanding the likelihood and characteristics of transients.
- The framework helps identify critical time points for sudden dynamic switches.
Conclusions:
- A unified classification of transient dynamics enhances ecological understanding.
- This framework has implications for ecological management strategies.
- The study advances both ecological theory and practical applications.
Related Concept Videos
02:26Ecological 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
02:17Ecological Succession
21.5K
Ecological succession is influenced by the processes of facilitation, inhibition, and toleration. Facilitation occurs when early successional species create more favorable ecological conditions for subsequent species, such as enhanced nutrient, water, or light availability. In contrast, inhibition happens when early successional species create unfavorable ecological conditions for potential successive species, such as limiting resource availability. In some cases, later successional species...
21.5K
02:02Ecological Niches
26.6K
All organisms have a position within an ecosystem. The complete set of living and nonliving factors—including food resources, climate, and terrain—that define the position of a given organism are collectively referred to as the organism’s ecological niche.
26.6K
01:15Drug Abuse and Addiction: Pharmacological Phenomena
1.3K
Drug dependence, abuse, and addiction are complex phenomena that can precipitate various abnormal states. Physical dependence refers to a state of pharmacological adaptation to a drug. This adaptation often results in tolerance—a reduced response to the drug after repeated administrations. When the drug use is abruptly stopped, withdrawal symptoms occur due to the body's need to readjust from the pharmacologically induced imbalance. However, tolerance and withdrawal symptoms do not...
1.3K
01:22Series R—L Circuit Transients
405
In a series resistor-inductor (R-L) circuit, closing the switch at the start of the time period simulates a three-phase short circuit, a fault condition where all three phases of an unloaded synchronous machine are short-circuited. When there is no fault impedance and no initial current, the initial voltage is determined by the phase angle of the source voltage.
Using Kirchhoff's Voltage Law (KVL) to analyze this circuit helps determine the total asymmetrical fault current, which consists...
Using Kirchhoff's Voltage Law (KVL) to analyze this circuit helps determine the total asymmetrical fault current, which consists...
405
01:24Transient and Steady-state Response
571
In control systems, test signals are essential for evaluating performance under various conditions. The ramp function is effective for systems undergoing gradual changes, while the step function is suitable for assessing systems facing sudden disturbances. For systems subjected to shock inputs, the impulse function is the most appropriate test signal.
These test signals are integral in designing control systems to exhibit two key performance aspects: transient response and steady-state...
These test signals are integral in designing control systems to exhibit two key performance aspects: transient response and steady-state...
571