Ecology Summary - Dreissena polymorpha

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Ecology of Dreissena polymorpha

Main Ref.	Rosenberg, G., 2009
Remarks	Inhabit hard bottoms, on boulders, above the halocline, often forming multilayered mats. Abundant at salinities of less than 5 psu. A suspension feeder, feeds on benthic microalgae/phytoplankton.

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 Dreissena polymorpha may be found.

Habitat

Substrate	Benthic: sessile; macrobenthos; Hard Bottom: rocky;
Substrate Ref.	Orav-Kotta, H., 2004
Special habitats
Special habitats Ref.

Associations

Ref.
Associations
Associated with
Association remarks
Parasitism

feeding

Feeding type	mainly plants/detritus (troph. 2-2.19)
Feeding type Ref.	Orav-Kotta, H., 2004
Feeding habit	selective plankton feeding
Feeding habit Ref.	Orav-Kotta, H., 2004

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	2.00	0.00			Trophic level and s.e. inferred from exclusive plant/detritus food items.
Ref.

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