1
Supporting information
Thermal acclimation modulates the impacts of temperature and enrichment on trophic
interactions and population dynamics
Arnaud Sentis, Julie Morisson, and David S. Boukal
Table S1. Summary of the ranking of all candidate models based on different assumption on
temperature dependence of the prey capture coefficient and handling time. ∆AICc = differences
in the Akaike information criterion corrected for small sample size, df = degrees of freedom, and
AIC weight = relative likelihood of the model given the data and set of candidate models.
Temperature dependence
of prey capture
Acclimation
Test
Yes
Yes
Temperature dependence
of handling time
Acclimation
Test
Yes
AIC weight
Yes
Yes
Yes
0
4.0
6
8
0.88
0.12
Yes
Yes
Yes
Yes
Yes
Yes
Yes
15.3
17.1
146.0
152.4
5
6
4
3
< 0.001
< 0.001
< 0.001
< 0.001
152.6
153.0
154.5
173.2
227.4
6
6
4
4
5
< 0.001
< 0.001
< 0.001
< 0.001
< 0.001
Yes
243.5
4
< 0.001
Yes
259.6
3
< 0.001
266.9
354.7
3
3
< 0.001
< 0.001
365.6
2
< 0.001
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
df
Yes
Yes
Yes
Yes
Yes
∆AICc
Yes
Yes
Yes
Yes
2
Table S2. Estimations of Sympetrum vulgatum functional response parameters (Mean ± SE and
95% CI) using the best fitting model (see Table S1 and main text for details).
Temperature
Parameters
Acclimation
Test
Mean ± SE
95% CI
Search rate
Ambient
-
0.0707 ± 0.0057
0.0595–0.0819
Search rate
Warm
-
0.0462 ± 0.0032
0.0398–0.0525
Handling time
Ambient
17.5°C
0.0182 ± 0.0009
0.0164–0.0200
Handling time
Warm
17.5°C
0.0080 ± 0.0004
0.0072–0.0088
Handling time
Ambient
21.5°C
0.0080 ± 0.0003
0.0073–0.0087
Handling time
Warm
21.5°C
0.0054 ± 0.0003
0.0049–0.0060
3
Figure S1. Effect of enrichment (given by parameter K0), acclimation temperature (ambient: A,
warm: W) and acute test temperature (17.5 and 21.5°C) on long-term equilibrium densities of (a)
Predator equilibrium density
(Ind.L-1)
Prey equilibrium density
(Ind.L-1)
prey and (b) predators given by eqn (5).
Enrichment
4
Figure S2. Effect of enrichment (given by parameter K0), acclimation (ambient: A, warm: W)
and acute test temperature (17.5 and 21.5°C) on long-term predator–prey interaction strength
given by eqn (7) when carrying capacity is temperature independent (i.e., Ek = 0 in eqn 4).