Aves |
Charadriiformes |
Alcidae
Environment: milieu / climate zone / djupintervall / distribution range
Ekologi
; djupintervall 0 - 50 m (Ref. 62202). Polar; 82°N - 42°N, 180°W - 180°E (Ref. 124582)
Northern Atlantic and the Arctic: Arctic Alaska, Canada, Atlantic Coast to Maine, Northern Europe and Scandinavia. Polar to Temperate.
Length at first maturity / Size / Weight / Age
Könsmognad: Lm ?  range ? - ? cm Max length : 36.0 cm TL hane/ej könsbestämd; (Ref. 8812); publicerad maxvikt: 405.00 g (Ref. 356)
Culmen: 3.28 cm; tarsus: 3.85 cm; wing: 13.72 cm.
Total Length: 30 to 36 cm; Wingspan: 58 cm (Ref. 8812). Pursuit diving; pack ice edge; shallow open water; polynyas; <30 km. Arctic Alaska and Canada, Atlantic Coast to Maine, Northern Europe, Scandinavia (Ref. 356).
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Eggs | Fecundity | Larvae
Ewins, P.J. 1992. (Ref. 91620)
IUCN Red List Status
(Ref. 130435: Version 2024-2)
CITES status (Ref. 108899)
Not Evaluated
Not Evaluated
Threat to humans
Human uses
| FishSource |
Verktyg
Ytterligare information
Population dynamicsTillväxtMax. ages / sizesLength-weight rel.Length-length rel.Length-frequenciesMass conversionAbundans Life cycleReproduktion
Könsmognad
Fecundity
Lek
Eggs
Egg development
Larvae
PhysiologySyreförbrukning
Human RelatedStamps, coins, misc.
Internet-källor
Estimates based on models
Preferred temperature
(Ref.
115969): 0.2 - 12.3, mean 5.4 (based on 1521 cells).
Resiliens
Hög, lägsta populationsfördubblingstid mindre än 15 månader (K=30.7-44.16).
Fishing Vulnerability
Low to moderate vulnerability (26 of 100).
Price category
Unknown.