Ecology Summary - Gammarus wilkitzkii

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Ecology of Gammarus wilkitzkii

Main Ref.	Poltermann, M., 2000
Remarks	Sympagic. Lives on the underside of ice floes all year round but is also found in the open ocean (Ref. 118204). Also found on hard bottom (Ref. 117453). Feeds on ice algae and calanoid copepods (Ref. 118204).

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 Gammarus wilkitzkii may be found.

Habitat

Substrate	Pelagic; Soft Bottom Hard Bottom;
Substrate Ref.	Poltermann, M., 2000
Special habitats
Special habitats Ref.

Associations

Ref.
Associations
Associated with
Association remarks
Parasitism

feeding

Feeding type	plants/detritus+animals (troph. 2.2-2.79)
Feeding type Ref.	Scott, C.L., S. Falk-Petersen, B. Gulliksen, O.J. Lønne and J.R. Sargent, 2001
Feeding habit
Feeding habit Ref.

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	2.27	0.00			Trophic level estimated from a number of food items using a randomized resampling routine.
Ref.

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