Table 3 Biological traits with relative categories used for functional analysis.

From: Diversity and future perspectives of Mediterranean deep-water oyster reefs

Trait

Category

Adult body dimension

Meiofauna (< 2 mm)

Macrofauna (2 mm–2 cm)

Megafauna (> 2 cm)

Macroalgae

Domain of adult stage

Benthic

Pelagic

Adult motility

Sessile

Facultatively motile

Vagile

Swimmer

Feeding strategy

(most frequent in adult stage)

Deposit feeder

Grazer

Filter feeder

Suspension feeder

Scavenger/predator

Photosynthetic metabolism

Sociability

(aggregation degree)

Solitary

Gregarious

Colonial

Ability to build habitat

Habitat-builder

Non habitat-builder