Kauaʻi record · KCA-EP-0109
Top-down trophic control
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About Top-down trophic control
Regulation of prey, herbivores or competitors by consumers at higher trophic levels.
Names and classification
- Other names
- top-down trophic control
- Family
- Biotic Interactions & Food-Web Regulation
- Record type
- ecological_process
Habitat and ecology
- Ecological role
- Supports Atlas reasoning about ecosystem function, dependencies, threats, conservation leverage points and cross-module consequences.
Process and seasonal context
- Definition
- Regulation of prey, herbivores or competitors by consumers at higher trophic levels.
- Drivers
- species abundance; resource availability; habitat structure; disease; season
- Inputs
- prey; plants; hosts; partners; detritus
- Outputs
- mortality; nutrient transfer; regulation; habitat modification
- Spatial scales
- individual → community → ecosystem
- Temporal scales
- seconds → generations
- Validity and limits
- Context-specific; do not extrapolate across habitat, season, elevation, salinity or disturbance state without evidence.