Group Functional traits Life history strategy Hypothesis Organisms
1
Depressed body; Relatively long-life cycle; Low potential number of reproductive cycles; No developed fixation structure.
Body shape acts as a resistance factor against the disturbance.
\(\psi\) high \(\theta\) low
Coleoptera larvae with depressed body
2
Cylindrical body; Relatively long-life cycle; Low potential number of reproductive cycles; No developed fixation structure.
Body shape does not confer resistance to the disturbance.
\(\psi\) low \(\theta\) low
Coleoptera larvae with cylindrical body
3
Cylindrical body; Relatively short life cycle; High potential number of reproductive cycles; No developed fixation structure.
Life cycle as a resilience factor.
\(\psi\) low \(\theta\) high
Chironomidae larvae
4
Cylindrical body; Relatively short life cycle; Moderate potential number of reproductive cycles; No developed fixation structure.
Life cycle as a resilience factor.
\(\psi\) low \(\theta\) moderate
Ceratopogonidae larvae
5
Cylindrical body; Relatively short life cycle; High potential number of reproductive cycles; Adhesive buttons for fixation.
Structures of fixation as a resistance factor and life cycle as a resilience factor.
\(\psi\) moderate \(\theta\) high
Empididae and Simuliidae larvae
6
Cylindrical body; Relatively moderate life cycle; Moderate potential number of reproductive cycles; No developed fixation structures.
Organisms sensitive to disturbances by carrying and by injury.
\(\psi\) low \(\theta\) moderate
Baetidae larvae
7
Depressed body; Relatively moderate life cycle; Moderate potential number of reproductive cycles; No developed fixation structures.
Organisms sensitive to disturbances by carrying and by injury, but with hydrodynamic body as a resistance factor.
\(\psi\) moderate \(\theta\) moderate
Leptohyphidae, Leptophlebiidae and Plecoptera
8
Cylindrical body; Relatively high life cycle; Low potential number of reproductive cycles; Well-developed hooks for fixation.
Organisms with appendixes (anal claws) as resistance factor.
\(\psi\) very high \(\theta\) low
Gyrinidae (larvae), Megaloptera and some Trichoptera
9
Cylindrical body; Relatively moderate life cycle; Low potential number of reproductive cycles; Construction of shelters.
Organisms that build shelters to resist the disturbance.
\(\psi\) very high \(\theta\) moderate
Calamoceratidae, Hydroptilidae, Leptoceridae and Odontoceridae.