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生態学の Gadus chalcogrammus
 
主な参照 Livingston, P.A., 1993
意見 Pelagic species which employs different foraging styles under different food distributions (Ref. 30688). Feed mainly on krill. Also feed on zooplankton such as copepod, small shrimp, squid and small fish (Ref. 39882). Cannibalistic (Ref. 43846). Length range, (FL: 10 to 78.1 cm) of walleye pollock consumed by Steller sea lions in Southeast Alaska between 1994 to 1999 (Ref. 53504).

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/潟/汽水性の海
  • mangroves
  • marshes/swamps
  • rivers/streams
  • lakes/ponds
  • 洞窟
  • もっぱら
Highighted items on the list are where Gadus chalcogrammus may be found.

Habitat

Substrate
Substrate Ref.
Special habitats
Special habitats Ref.

Associations

参照
Associations
Associated with
Association remarks
Parasitism

供給

供給様式 mainly animals (troph. 2.8 and up)
Feeding type Ref. Livingston, P.A., 1993
食性 hunting macrofauna (predator)
Feeding habit Ref. Livingston, P.A., 1993
Trophic Level(s)
Estimation method 原本のサンプル Unfished population 意見
Troph s.e. Troph s.e.
餌料組成から 3.57 0.11 3.42 0.46 Troph of juv./adults from 10 studies.
個々の食物品目から 3.68 0.62 Trophic level estimated from a number of food items using a randomized resampling routine.
参照 Yang, M.S. and M.W. Nelson, 1999
(例 346)
(例 cnidaria)
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