Ecology Summary - Geukensia demissa

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Ecology of Geukensia demissa

Main Ref.	Carpenter, K.E. (ed.), 2002
Remarks	It is a key bivalve species mainly found in salt marshes (Refs. 123486, 126240). It lives attached to hard substrates intertidally or at shallow subtidal depths (Ref. 271). It has mutualistic relationship with cordgrass Spartina alterniflora (Ref. 126240).

Aquatic zones / Water bodies

	Marine - Neritic	Marine - Oceanic	Brackishwater	Freshwater
Marine zones / Brackish and freshwater bodies	supra-littoral zone littoral zone sublittoral zone	epipelagic mesopelagic epipelagic abyssopelagic hadopelagic	estuaries/lagoons/brackish seas mangroves marshes/swamps	rivers/streams lakes/ponds caves exclusively in caves

Highighted items on the list are where Geukensia demissa may be found.

Habitat

Substrate	Benthic; Hard Bottom;
Substrate Ref.
Special habitats	vegetation ( stems/trunk, );
Special habitats Ref.	Bilkovic, D.M., R.E. Isdell, A.G. Guthrie, M.M. Mitchell and R.M. Chambers, 2021

Associations

Ref.	Carpenter, K.E. (ed.), 2002
Associations	mutualism;
Associated with	Spartina alterniflora
Association remarks
Parasitism

feeding

Feeding type
Feeding type Ref.
Feeding habit	filtering plankton
Feeding habit Ref.	Harvey-Clark, C., 1997

Trophic Level(s)

Estimation method	original sample		unfished population		Remark
Estimation method	Troph	s.e.	Troph	s.e.	Remark
From diet composition
From individual food items
Ref.