The length-weight correlation and population dynamics of razor clams (Solen regularis) in Surabaya east coast, Indonesia

Trisyani N, Herawati EY, Widodo MS, Setyohadi D. 2016. The length-weight correlation and population dynamics of razor clams (Solen regularis) in Surabaya east coast, Indonesia. Biodiversitas 17: 808-813. Solen regularis is a pelecypod species living in intertidal areas at sandy substrate. In Surabay...

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Autores principales:	NINIS TRISYANI, ENDANG YULI HERAWATI, MAHENO SRI WIDODO, DADUK SETYOHADI
Formato:	article
Lenguaje:	EN
Publicado:	MBI & UNS Solo 2016
Materias:	growth, mortality, razor clams,solen regularis, surabaya east coast Biology (General) QH301-705.5
Acceso en línea:	https://doaj.org/article/9202874ddbd44aada513779dd1abc25c
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spelling	oai:doaj.org-article:9202874ddbd44aada513779dd1abc25c2021-11-14T02:27:09ZThe length-weight correlation and population dynamics of razor clams (Solen regularis) in Surabaya east coast, Indonesia1412-033X2085-472210.13057/biodiv/d170258https://doaj.org/article/9202874ddbd44aada513779dd1abc25c2016-10-01T00:00:00Zhttps://smujo.id/biodiv/article/view/714https://doaj.org/toc/1412-033Xhttps://doaj.org/toc/2085-4722Trisyani N, Herawati EY, Widodo MS, Setyohadi D. 2016. The length-weight correlation and population dynamics of razor clams (Solen regularis) in Surabaya east coast, Indonesia. Biodiversitas 17: 808-813. Solen regularis is a pelecypod species living in intertidal areas at sandy substrate. In Surabaya east coast, Solen regularis is exploited by the locals for consumption, both as fresh seafood or processed one. This research aims to analyze the length-weight correlation of the clams and the population dynamics, conducted from August 2014 to July 2015 in Surabaya east coast. The results show that the correlation is explained in the equation W = 0.038L2.798with the correlation coefficient of 0.9. Also, the allometric growth pattern is proven negative as the increase in body length is faster than that in weight. Growth is measured with von Bertalanffy growth model Lt = 8.0 ( 1-e (-0.7(t+0.003)) and the result from the parameter analysis using ELEFAN I method in FISAT II software show that Lâˆž = 8.0 cm and k = 0.7/year. The estimated weight at t0 in Paulyâ€™s empirical formula is -0.003 cm. Mortality rates are shown as follows: natural mortality (M) is 2.05/year, fishing mortality (F) is 2.01/year, and total mortality is 4.05/year. Exploitation rate (E) is 0.50/year indicating that the exploitation of Solen regularis is in optimal condition. The B/R and Y/R value is 1.4%/year. It can be suggested from the findings of the research that knowledge on population dynamics may be useful for the utilization and management of Solen regularis in order to preserve its environmental and ecological sustainability. Keywords: Growth, mortality, razor clams, Solen regularis, Surabaya east coastNINIS TRISYANIENDANG YULI HERAWATIMAHENO SRI WIDODODADUK SETYOHADIMBI & UNS Soloarticlegrowth, mortality, razor clams,solen regularis, surabaya east coastBiology (General)QH301-705.5ENBiodiversitas, Vol 17, Iss 2 (2016)
institution	DOAJ
collection	DOAJ
language	EN
topic	growth, mortality, razor clams,solen regularis, surabaya east coast Biology (General) QH301-705.5
spellingShingle	growth, mortality, razor clams,solen regularis, surabaya east coast Biology (General) QH301-705.5 NINIS TRISYANI ENDANG YULI HERAWATI MAHENO SRI WIDODO DADUK SETYOHADI The length-weight correlation and population dynamics of razor clams (Solen regularis) in Surabaya east coast, Indonesia
description	Trisyani N, Herawati EY, Widodo MS, Setyohadi D. 2016. The length-weight correlation and population dynamics of razor clams (Solen regularis) in Surabaya east coast, Indonesia. Biodiversitas 17: 808-813. Solen regularis is a pelecypod species living in intertidal areas at sandy substrate. In Surabaya east coast, Solen regularis is exploited by the locals for consumption, both as fresh seafood or processed one. This research aims to analyze the length-weight correlation of the clams and the population dynamics, conducted from August 2014 to July 2015 in Surabaya east coast. The results show that the correlation is explained in the equation W = 0.038L2.798with the correlation coefficient of 0.9. Also, the allometric growth pattern is proven negative as the increase in body length is faster than that in weight. Growth is measured with von Bertalanffy growth model Lt = 8.0 ( 1-e (-0.7(t+0.003)) and the result from the parameter analysis using ELEFAN I method in FISAT II software show that Lâˆž = 8.0 cm and k = 0.7/year. The estimated weight at t0 in Paulyâ€™s empirical formula is -0.003 cm. Mortality rates are shown as follows: natural mortality (M) is 2.05/year, fishing mortality (F) is 2.01/year, and total mortality is 4.05/year. Exploitation rate (E) is 0.50/year indicating that the exploitation of Solen regularis is in optimal condition. The B/R and Y/R value is 1.4%/year. It can be suggested from the findings of the research that knowledge on population dynamics may be useful for the utilization and management of Solen regularis in order to preserve its environmental and ecological sustainability. Keywords: Growth, mortality, razor clams, Solen regularis, Surabaya east coast
format	article
author	NINIS TRISYANI ENDANG YULI HERAWATI MAHENO SRI WIDODO DADUK SETYOHADI
author_facet	NINIS TRISYANI ENDANG YULI HERAWATI MAHENO SRI WIDODO DADUK SETYOHADI
author_sort	NINIS TRISYANI
title	The length-weight correlation and population dynamics of razor clams (Solen regularis) in Surabaya east coast, Indonesia
title_short	The length-weight correlation and population dynamics of razor clams (Solen regularis) in Surabaya east coast, Indonesia
title_full	The length-weight correlation and population dynamics of razor clams (Solen regularis) in Surabaya east coast, Indonesia
title_fullStr	The length-weight correlation and population dynamics of razor clams (Solen regularis) in Surabaya east coast, Indonesia
title_full_unstemmed	The length-weight correlation and population dynamics of razor clams (Solen regularis) in Surabaya east coast, Indonesia
title_sort	length-weight correlation and population dynamics of razor clams (solen regularis) in surabaya east coast, indonesia
publisher	MBI & UNS Solo
publishDate	2016
url	https://doaj.org/article/9202874ddbd44aada513779dd1abc25c
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The length-weight correlation and population dynamics of razor clams (Solen regularis) in Surabaya east coast, Indonesia

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