Ecology Summary - Amblyraja hyperborea

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主要参考文献	McEachran, J.D. and K.A. Dunn, 1998
附注	Dwells over silty subtrates at depths from 167-1600m. Found in water temperatures between -0.08°C to 3.5°C. Common along upper continental slopes 800-1500 m in the east Norwegian Sea. Benthic feeder, feeding at trophic levels of 3.98 (Ref. 117245). Found on the continental slope (Ref. 75154), reaching bathyal and abyssal depths in the Arctic region (Ref. 119696). Feeds on all kinds of bottom animals.

主要参考文献

McEachran, J.D. and K.A. Dunn, 1998

附注

Dwells over silty subtrates at depths from 167-1600m. Found in water temperatures between -0.08°C to 3.5°C. Common along upper continental slopes 800-1500 m in the east Norwegian Sea. Benthic feeder, feeding at trophic levels of 3.98 (Ref. 117245). Found on the continental slope (Ref. 75154), reaching bathyal and abyssal depths in the Arctic region (Ref. 119696). Feeds on all kinds of bottom animals.

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	河口/泻湖/半咸淡水海洋 mangroves marshes/swamps	rivers/streams lakes/ponds 洞专门地

Highighted items on the list are where Amblyraja hyperborea may be found.

Habitat

Substrate	Benthic; Soft Bottom: silt;
Substrate Ref.	Coad, B.W. and J.D. Reist, 2018
Special habitats
Special habitats Ref.

Associations

参考文献
Associations
Associated with
Association remarks
Parasitism

进食

摄取食物的类型	mainly animals (troph. 2.8 and up)
Feeding type Ref.	Stehmann, M. and D.L. Bürkel, 1984
摄取食物的习惯	hunting macrofauna (predator)
Feeding habit Ref.	Stehmann, M. and D.L. Bürkel, 1984

Trophic Level(s)

Estimation method	最初的样本		不捕获族群		附注
Estimation method	Troph	s.e.	Troph	s.e.	附注
从食物内容	4.31	0.54			Troph of juv./adults from 2 studies.
从个别的食物项目	3.93	0.56			Trophic level estimated from a number of food items using a randomized resampling routine.
参考文献

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