Ecology Summary - Leptonychotes weddellii

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生态学： Leptonychotes weddellii

主要参考文献	Jefferson, T.A., S. Leatherwood and M.A. Webber, 1993
附注	Found on fast ice and offshore through the pack ice. Feeds on the huge Antarctic cod, fish, with smaller amounts of squid and other invertebrates.

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 exclusively in caves

Highighted items on the list are where Leptonychotes weddellii may be found.

Habitat

Substrate
Substrate Ref.
Special habitats
Special habitats Ref.

Associations

参考文献	Jefferson, T.A., S. Leatherwood and M.A. Webber, 1993
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.	Jefferson, T.A., S. Leatherwood and M.A. Webber, 1993
摄取食物的习惯	hunting macrofauna (predator)
Feeding habit Ref.	Jefferson, T.A., S. Leatherwood and M.A. Webber, 1993

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	4.49	0.63			Troph of juv./adults.
从个别的食物项目	4.01	0.52			Trophic level estimated from a number of food items using a randomized resampling routine.
参考文献	Casaux, R., A. Baroni and A. Carlini, 1997