Spawning season, fecundity and Lm 50% of the Caspian Sea prawn (Palaemon adspersus) in the coastal waters of Guilan Province
The spawning season, fecundity and Lm50% of the Caspian Sea prawn (Palaemon adspersus) were investigated in the coastal waters of Guilan province. A monthly sampling was conducted using a bottom trawl with mesh size 3 mm in cod end in areas 0-5 and 5-10 meters deep during the year 2002. Mean total length, carapace length and weight of ovigerous female of Palaemon adspersus were 51.95±3.1 mm, 13.95+1.9mm and 2.742±0.58g (X ± S.D). Minimum and maximum total length of ovigerous specimens were 37 and 59.3mm with a weight 1.002 and 4.145 grams respectively. We found that the spawning season of Palaemon adspersus begins in April and ends in September with a peak in June. Mean fecundity of the species was 1994.5±506.6. The size at which 50% of females are mature was estimated to be 51.27mm total length.
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Format: | article biblioteca |
Language: | Persian |
Published: |
2005
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Subjects: | Biology, Spawning, Fecundity, Palaemon adspersus, Caspian Sea, Guilan Province, Iran, |
Online Access: | http://hdl.handle.net/1834/39097 |
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dig-aquadocs-1834-390972021-07-15T03:14:56Z Spawning season, fecundity and Lm 50% of the Caspian Sea prawn (Palaemon adspersus) in the coastal waters of Guilan Province Abdolmalaki, Sh. Emadi, H. Ahmadi, M.R. Valinassab, T. Biology Spawning Fecundity Palaemon adspersus Caspian Sea Guilan Province Iran The spawning season, fecundity and Lm50% of the Caspian Sea prawn (Palaemon adspersus) were investigated in the coastal waters of Guilan province. A monthly sampling was conducted using a bottom trawl with mesh size 3 mm in cod end in areas 0-5 and 5-10 meters deep during the year 2002. Mean total length, carapace length and weight of ovigerous female of Palaemon adspersus were 51.95±3.1 mm, 13.95+1.9mm and 2.742±0.58g (X ± S.D). Minimum and maximum total length of ovigerous specimens were 37 and 59.3mm with a weight 1.002 and 4.145 grams respectively. We found that the spawning season of Palaemon adspersus begins in April and ends in September with a peak in June. Mean fecundity of the species was 1994.5±506.6. The size at which 50% of females are mature was estimated to be 51.27mm total length. 2021-06-24T18:16:30Z 2021-06-24T18:16:30Z 2005 article TRUE 1026-1354 http://hdl.handle.net/1834/39097 fa http://www.ifro.ir application/pdf application/pdf 59-72 http://aquaticcommons.org/id/eprint/24678 18721 2018-08-04 15:33:47 24678 Iranian Fisheries Science Research Institute |
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Biology Spawning Fecundity Palaemon adspersus Caspian Sea Guilan Province Iran Biology Spawning Fecundity Palaemon adspersus Caspian Sea Guilan Province Iran |
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Biology Spawning Fecundity Palaemon adspersus Caspian Sea Guilan Province Iran Biology Spawning Fecundity Palaemon adspersus Caspian Sea Guilan Province Iran Abdolmalaki, Sh. Emadi, H. Ahmadi, M.R. Valinassab, T. Spawning season, fecundity and Lm 50% of the Caspian Sea prawn (Palaemon adspersus) in the coastal waters of Guilan Province |
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The spawning season, fecundity and Lm50% of the Caspian Sea prawn (Palaemon adspersus) were investigated in the coastal waters of Guilan province. A monthly sampling was conducted using a bottom trawl with mesh size 3 mm in cod end in areas 0-5 and 5-10 meters deep during the year 2002. Mean total length, carapace length and weight of ovigerous female of Palaemon adspersus were 51.95±3.1 mm, 13.95+1.9mm and 2.742±0.58g (X ± S.D). Minimum and maximum total length of ovigerous specimens were 37 and 59.3mm with a weight 1.002 and 4.145 grams respectively. We found that the spawning season of Palaemon adspersus begins in April and ends in September with a peak in June. Mean fecundity of the species was 1994.5±506.6. The size at which 50% of females are mature was estimated to be 51.27mm total length. |
format |
article |
topic_facet |
Biology Spawning Fecundity Palaemon adspersus Caspian Sea Guilan Province Iran |
author |
Abdolmalaki, Sh. Emadi, H. Ahmadi, M.R. Valinassab, T. |
author_facet |
Abdolmalaki, Sh. Emadi, H. Ahmadi, M.R. Valinassab, T. |
author_sort |
Abdolmalaki, Sh. |
title |
Spawning season, fecundity and Lm 50% of the Caspian Sea prawn (Palaemon adspersus) in the coastal waters of Guilan Province |
title_short |
Spawning season, fecundity and Lm 50% of the Caspian Sea prawn (Palaemon adspersus) in the coastal waters of Guilan Province |
title_full |
Spawning season, fecundity and Lm 50% of the Caspian Sea prawn (Palaemon adspersus) in the coastal waters of Guilan Province |
title_fullStr |
Spawning season, fecundity and Lm 50% of the Caspian Sea prawn (Palaemon adspersus) in the coastal waters of Guilan Province |
title_full_unstemmed |
Spawning season, fecundity and Lm 50% of the Caspian Sea prawn (Palaemon adspersus) in the coastal waters of Guilan Province |
title_sort |
spawning season, fecundity and lm 50% of the caspian sea prawn (palaemon adspersus) in the coastal waters of guilan province |
publishDate |
2005 |
url |
http://hdl.handle.net/1834/39097 |
work_keys_str_mv |
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