Ecology Summary - Pollachius virens

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Οικολογία του Pollachius virens

Κύρια Αναφ.	Pauly, D., 1989
Σχόλια	Studies on the diet of this species in various localities in the North Atlantic have shown the pelagic character of its food. During its first two years of existence, it inhabits mostly coastal waters where it feeds mainly on plankton like appendicularians and crustaceans. After this coastal period, it migrates to the open sea and its food remains pelagic, although prey is larger and consists of euphausiids, fishes and cephalopods (Ref. 42118). Parasites of the species include 6 trematodes, 2 nematodes, 2 cestodes and 1 acanthocephalan; Hemiuris levinseni (trematode) being the most common, followed by Echinorhynchus gadi (Ref. 5951). See also Ref. 8999.

Κύρια Αναφ.

Pauly, D., 1989

Σχόλια

Studies on the diet of this species in various localities in the North Atlantic have shown the pelagic character of its food. During its first two years of existence, it inhabits mostly coastal waters where it feeds mainly on plankton like appendicularians and crustaceans. After this coastal period, it migrates to the open sea and its food remains pelagic, although prey is larger and consists of euphausiids, fishes and cephalopods (Ref. 42118). Parasites of the species include 6 trematodes, 2 nematodes, 2 cestodes and 1 acanthocephalan; Hemiuris levinseni (trematode) being the most common, followed by Echinorhynchus gadi (Ref. 5951). See also Ref. 8999.

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	Εκβολές/λιμνοθάλασσες/υφάλμυρες θάλασσες mangroves marshes/swamps	rivers/streams lakes/ponds Σπηλιές αποκλειστικά

Highighted items on the list are where Pollachius virens may be found.

Habitat

Substrate
Substrate Ref.
Special habitats
Special habitats Ref.

Associations

Αναφ.
Associations
Associated with
Association remarks
Parasitism

Διατροφή

Τροφικός Τύπος	mainly animals (troph. 2.8 and up)
Feeding type Ref.	Pauly, D., 1989
Τροφική Συνήθεια	hunting macrofauna (predator)
Feeding habit Ref.	Pauly, D., 1989

Trophic Level(s)

Estimation method	Αρχικό δείγμα		Μη αλιευμένος πληθυσμός		Σχόλιο
Estimation method	Troph	s.e.	Troph	s.e.	Σχόλιο
Από σύσταση δίαιτας	4.31	0.35	4.22	0.68	Troph of adults from 5 studies.
Από ατομικά τροφικά αντικείμενα	3.61	0.72			Trophic level estimated from a number of food items using a randomized resampling routine.
Αναφ.	Daan, N., 1989

Επιστροφή στην αναζήτηση

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