Keystone Species
- “what is a keystone species”
- “are wolves a keystone species”
- “keystone species examples”
- “who coined keystone species”
:: COMPARE ::
The short answer
A dominant species has large effects because it is abundant; a keystone has large effects despite being scarce. If you can predict its influence from its biomass, it isn't a keystone — it's just dominant. That test is what the label was supposed to enforce.
Side by side
| Aspect | Keystone | Dominant |
|---|---|---|
| Abundance | Low | High |
| Effect | Disproportionate | Proportionate |
| Predictable from biomass | No | Yes |
| Test | Remove it | Count it |
Which one you meant
Readers who land here meaning Keystone Species rather than Dominant are usually searching for phrases like “what is a keystone species”, “are wolves a keystone species”, “keystone species examples”.
Read either one in full