Spawning frequency and fecundity of the Antarctic krill Euphausia superba

The spawning frequency of E. superba was estimated from observations of egg production by live individual females in captivity on board ship. The females were collected near the South Shetland Islands and Elephant Island, Antarctica. On the average, 15.6% of the females spawned each day, which indic...

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Veröffentlicht in:	Marine biology 1983-01, Vol.77 (3), p.201-205
Hauptverfasser:	Ross, R.M, Quetin, L.B
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Sprache:	eng
Schlagworte:	Biological and medical sciences Crustacea Euphausia superba Fundamental and applied biological sciences. Psychology Invertebrates Marine Physiology. Development
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description	The spawning frequency of E. superba was estimated from observations of egg production by live individual females in captivity on board ship. The females were collected near the South Shetland Islands and Elephant Island, Antarctica. On the average, 15.6% of the females spawned each day, which indicates an interval between spawnings of 6.7 d. This evidence contradicts earlier descriptions of the spawning behavior of E. superba . The females appear to be continually producting eggs and releasing them periodically over the entire spawning season, and thus have much higher fecundities than previously estimated.
doi_str_mv	10.1007/BF00395807
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The females were collected near the South Shetland Islands and Elephant Island, Antarctica. On the average, 15.6% of the females spawned each day, which indicates an interval between spawnings of 6.7 d. This evidence contradicts earlier descriptions of the spawning behavior of E. superba . The females appear to be continually producting eggs and releasing them periodically over the entire spawning season, and thus have much higher fecundities than previously estimated.</description><subject>Biological and medical sciences</subject><subject>Crustacea</subject><subject>Euphausia superba</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Invertebrates</subject><subject>Marine</subject><subject>Physiology. 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subjects	Biological and medical sciences Crustacea Euphausia superba Fundamental and applied biological sciences. Psychology Invertebrates Marine Physiology. Development
title	Spawning frequency and fecundity of the Antarctic krill Euphausia superba
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