Ecology Summary - Calanus helgolandicus

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Ecology of Calanus helgolandicus

Main Ref.	Bottrell, H.H. and D.B. Robins, 1984
Remarks	In the North Sea, considered one of the largest and important warm-temperate copepod, whose densities are highly influenced by sea surface temperature changes (Ref. 95710).

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 Calanus helgolandicus may be found.

Habitat

Substrate
Substrate Ref.
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.
Feeding habit	selective plankton feeding
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	4.00	0.28			Tentative trophic level derived from 1 + troph of a single food item
Ref.