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Table 1 Parameter values used for simulations

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

–

Ï„

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