Table 4.

Test of the difference in the cumulative‐biomass–longevity relationship between suspension feeders and bioturbators and of species that differ in their sediment positions (surface; top 5 cm; >5 cm deep)

Mixed effect model	df	AIC	Deviance	Deviance explained
Functional group (F)
L + M + G + S + T + T × S + L × G	10	2,977.0	2,957.0
L + M + G + S + T + T × S + L × G + F + F × T + F × S + F × T × S	14	2,878.6	2,850.6	3.6%
Sediment position (P)
L + M + G + S + T + T × S	9	5,374.5	5,356.5
L + M + G + S + T + T × S + P + P × T + P × T × S	17	4,585.2	4,551.2	15.0%

L, ln(longevity); M, %mud; G, %gravel; S, ln(shear stress); T, ln(trawling intensity); F, functional group; P, sediment position.