Image de Thracia challisiana Dall 1915

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Thracia challisiana Dall 1915

ecosystem engineering

Queirós et al 2013
convoyeur descendant
URI : http://polytraits.lifewatchgreece.eu/terms/RW_DC

Définition : Downward conveyors exhibit a feeding strategy opposite to that of upward conveyors. Vertically oriented head-up feeders actively select and ingest particles at the surface and egest these non-locally as faeces in deeper sediment strata

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motility

Queirós et al 2013
facultatively mobile
URI : http://eol.org/schema/terms/facultativelyMobile

Définition : Organisms that can change location but do so infrequently, e.g., crinoids, some infaunal bivalves.

Attribution : http://paleodb.org/public/tips/ecology_tips.html

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