Life under Arctic sea ice : reproduction strategies of two sympagic (ice-associated) amphipod species, Gammarus wilkitzkii and Apherusa glacialis

Life under Arctic sea ice : reproduction strategies of two sympagic (ice-associated) amphipod species, Gammarus wilkitzkii and Apherusa glacialis

The reproductive strategies of two gammaridean amphipod species, Gammarus wilkitzkii and Apherusa glacialis, that permanently inhabit the Arctic sea ice were investigated. G. wilkitzkii reaches sexual maturity at an age of 2 years and produces 128 +/- 54 eggs fem.-1 yr-1.

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Veröffentlicht in:Marine biology 2000-06, Vol.136 (5), p.913-920
Hauptverfasser: POLTERMANN, M, HOP, H, FALK-PETERSEN, S
Format: Artikel
Sprache:eng
Schlagworte:
Animal and plant ecology
Animal reproduction
Animal, plant and microbial ecology
Animals
Apherusa glacialis
Biological and medical sciences
Crustaceans
Demecology
Fundamental and applied biological sciences. Psychology
Gammarus wilkitzkii
Habitats
Ice
Marine
Marine biology
Oceans
Protozoa. Invertebrata
Sea ice
Sexual maturity
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Beschreibung
Zusammenfassung:The reproductive strategies of two gammaridean amphipod species, Gammarus wilkitzkii and Apherusa glacialis, that permanently inhabit the Arctic sea ice were investigated. G. wilkitzkii reaches sexual maturity at an age of 2 years and produces 128 +/- 54 eggs fem.-1 yr-1.
ISSN:0025-3162
1432-1793
DOI:10.1007/s002270000307