Mesopredator Release Calculator

Model the mesopredator release hypothesis: how apex predator decline leads to mesopredator increase and prey decline.

Original Population Sizes

Model Parameters

Release Index: Meso% change / Apex% change
Higher values indicate stronger mesopredator release response

Release Index

1.88

Mild mesopredator release

Apex Decline
-80.0%
Meso Increase
+150.0%
Prey Decline
-60.0%

Cascade Analysis

Expected Mesopredators328
Actual/Expected Ratio1.52
Cascade Strength1.88
System Stability84.2%

Predator Ratio Shift

4.0:1

Original Meso:Apex

β†’

50.0:1

Current Meso:Apex

Ratio changed by +1150.0%

Conservation Implication:
Monitor mesopredator populations and consider apex predator conservation