From: Collective behavior as a driver of critical transitions in migratory populations
Symbol | Description | Units | Value | ||
---|---|---|---|---|---|
 |  |  | Breeding single site | Breeding multi site | Feeding |
δ | Growth rate of resource | 1/time | 0.1 | 0.1 | – |
R max | Carrying capacity of resource | # R | 1 | 1 | – |
α | Uptake rate of resource by consumer | # R /(# N ·time) | 5×10−5 | 5×10−5 | – |
b m | Maximum birth rate | Unitless | 5 | 5 | – |
D | Half-max consumption/birth rate level of R | # R | 0.5 | 0.5 | – |
τ | Maturation time | Time | 1 | 1 | – |
p | Plasticity relative to environmental heterogeneity | Probability | – | 0≤p≤1 | – |
a o | Individual homing accuracy | Probability | 0≤a o ≤1 | 0 | 0 |
C | Half-max accuracy level of N | # N | 1000 | 1000 | 2.5 |
h | Additional mortality due to harvesting or migration impedance | Probability | 0≤h≤1 | 0≤h≤1 | 0≤h≤r |
r | Maximum growth rate of migratory consumer | 1/time | – | – | 0.01 |
K max | Peak carrying capacity | # N | – | – | 10 |
K o | Background carrying capacity | # N | – | – | 1 |
σ | Width of wave of favorable conditions | Distance | – | – | 1 |
v K | Speed of wave of favorable conditions | Distance/time | – | – | 0.1 |
v m | Maximum speed of migratory consumers | Distance/time | – | – | 0.17 |