The demersal fish composition and catch per unit effort of mini bottom trawl at the coast of Demak Regency Central Java

Demak is a coastal area on the North Coast of Java with a large enough potential for demersal fish resources. This research aimed to determine the composition, the length and weight distribution, and catch per unit effort (CPUE) of demersal fish caught using mini bottom trawl at the north coast of D...

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Autores principales:	Fitriya Naliyana, Alfiatuunisa Nahlah, Partsuwiryo Suwarman, Setyobudi Eko
Formato:	article
Lenguaje:	EN FR
Publicado:	EDP Sciences 2021
Materias:	Environmental sciences GE1-350
Acceso en línea:	https://doaj.org/article/e16ef6bc0b144d93ba3c7e2c0cd424d8
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id	oai:doaj.org-article:e16ef6bc0b144d93ba3c7e2c0cd424d8
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spelling	oai:doaj.org-article:e16ef6bc0b144d93ba3c7e2c0cd424d82021-11-12T11:44:43ZThe demersal fish composition and catch per unit effort of mini bottom trawl at the coast of Demak Regency Central Java2267-124210.1051/e3sconf/202132203006https://doaj.org/article/e16ef6bc0b144d93ba3c7e2c0cd424d82021-01-01T00:00:00Zhttps://www.e3s-conferences.org/articles/e3sconf/pdf/2021/98/e3sconf_isffs2021_03006.pdfhttps://doaj.org/toc/2267-1242Demak is a coastal area on the North Coast of Java with a large enough potential for demersal fish resources. This research aimed to determine the composition, the length and weight distribution, and catch per unit effort (CPUE) of demersal fish caught using mini bottom trawl at the north coast of Demak Regency. The research was carried out in October-December 2020 by observation of ten trips of mini bottom trawl fishing. Each fish captured was then grouped by type, identified, and measured its length and weight. The result showed that 38 species consist of 31 fishes, four mollusks, and three crustaceans. The fish captured dominated by pony fish (Leiognathus equulus) as much as 31.23% and largehead hairtail (Trichiurus lepturus) of 23.52%. The catch per unit effort (CPUE) average of mini bottom trawl was 44.77 kg/trip. Mainly fish (more than 95%) caught in small size compared it’s the maximum attainable length (L-max), with all the weight ranges from 0.3 to 520 g and more than 98% sized 0.3-80 g. Mini bottom trawl catches many types of fish and small size; therefore, mini bottom trawl is classified as a type of fishing gear with a very low selectivity level.Fitriya NaliyanaAlfiatuunisa NahlahPartsuwiryo SuwarmanSetyobudi EkoEDP SciencesarticleEnvironmental sciencesGE1-350ENFRE3S Web of Conferences, Vol 322, p 03006 (2021)
institution	DOAJ
collection	DOAJ
language	EN FR
topic	Environmental sciences GE1-350
spellingShingle	Environmental sciences GE1-350 Fitriya Naliyana Alfiatuunisa Nahlah Partsuwiryo Suwarman Setyobudi Eko The demersal fish composition and catch per unit effort of mini bottom trawl at the coast of Demak Regency Central Java
description	Demak is a coastal area on the North Coast of Java with a large enough potential for demersal fish resources. This research aimed to determine the composition, the length and weight distribution, and catch per unit effort (CPUE) of demersal fish caught using mini bottom trawl at the north coast of Demak Regency. The research was carried out in October-December 2020 by observation of ten trips of mini bottom trawl fishing. Each fish captured was then grouped by type, identified, and measured its length and weight. The result showed that 38 species consist of 31 fishes, four mollusks, and three crustaceans. The fish captured dominated by pony fish (Leiognathus equulus) as much as 31.23% and largehead hairtail (Trichiurus lepturus) of 23.52%. The catch per unit effort (CPUE) average of mini bottom trawl was 44.77 kg/trip. Mainly fish (more than 95%) caught in small size compared it’s the maximum attainable length (L-max), with all the weight ranges from 0.3 to 520 g and more than 98% sized 0.3-80 g. Mini bottom trawl catches many types of fish and small size; therefore, mini bottom trawl is classified as a type of fishing gear with a very low selectivity level.
format	article
author	Fitriya Naliyana Alfiatuunisa Nahlah Partsuwiryo Suwarman Setyobudi Eko
author_facet	Fitriya Naliyana Alfiatuunisa Nahlah Partsuwiryo Suwarman Setyobudi Eko
author_sort	Fitriya Naliyana
title	The demersal fish composition and catch per unit effort of mini bottom trawl at the coast of Demak Regency Central Java
title_short	The demersal fish composition and catch per unit effort of mini bottom trawl at the coast of Demak Regency Central Java
title_full	The demersal fish composition and catch per unit effort of mini bottom trawl at the coast of Demak Regency Central Java
title_fullStr	The demersal fish composition and catch per unit effort of mini bottom trawl at the coast of Demak Regency Central Java
title_full_unstemmed	The demersal fish composition and catch per unit effort of mini bottom trawl at the coast of Demak Regency Central Java
title_sort	demersal fish composition and catch per unit effort of mini bottom trawl at the coast of demak regency central java
publisher	EDP Sciences
publishDate	2021
url	https://doaj.org/article/e16ef6bc0b144d93ba3c7e2c0cd424d8
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The demersal fish composition and catch per unit effort of mini bottom trawl at the coast of Demak Regency Central Java

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