Ecology Summary - Melanitta perspicillata

Ecology Summary - Melanitta perspicillata

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Ecology of Melanitta perspicillata

Main Ref.	SAUP Database, 2006
Remarks	Surface diving; coastal. Winters from Alaska to Baja California, Nova Scotia to Florida, Gulf of Mexico (Ref. 356).

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 Melanitta perspicillata may be found.

Habitat

Substrate
Substrate Ref.
Special habitats
Special habitats Ref.

Associations

Ref.
Associations
Associated with
Association remarks
Parasitism

feeding

Feeding type	mainly animals (troph. 2.8 and up)
Feeding type Ref.	Tschaekofske, H.J., 2010
Feeding habit	hunting macrofauna (predator)
Feeding habit Ref.	Tschaekofske, H.J., 2010

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	3.49	0.41			Trophic level estimated from a number of food items using a randomized resampling routine.
Ref.

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