Komposisi Jenis dan Kepadatan Rumput Laut Hydrokoloid berdasarkan Karakteristik Dasar Perairan di Daerah Intertidal Nusakambangan Timur Cilacap

BioEksakta : Jurnal Ilmiah Biologi Unsoed

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Title Komposisi Jenis dan Kepadatan Rumput Laut Hydrokoloid berdasarkan Karakteristik Dasar Perairan di Daerah Intertidal Nusakambangan Timur Cilacap

 
Creator Widyartini, Dwi Sunu
Insan, Achmad Ilalqisny
kamsinah, Kamsinah
 
Description ABSTRACT
Hydrocolloid seaweed is seaweed which contains agar, carrageenan and alginate, which are widely used as industrial raw materials. This study aims to determine the type composition of hydrocolloid seaweed and its density based on the characteristics of the bottom waters in the intertidal area of ​​East Nusakambangan Cilacap. The waters of East Nusakambangan have a central coral beach and a hollow coral beach which has a substrate in the form of sand, coral, volcanic rock, and coral fragments. This study used a survey method and sampling using a transect, a perpendicular line of the coast towards the sea, each transect line was placed with a quadrant plot (1 x 1m2) randomly selected on hard and soft substrates. The results of this study, the coral substrate on the two beaches obtained 2-8 types of hydrocoloid seaweed, with the highest composition of seaweed species of 57.6% on hard substrate with the highest density in the Gracilaria gigas species; 440.6-1239.7 g / m2, Gracilaria gigas has a Dichotomus branching type with a cylindrical talus shape. In the mixed substrate on the coast of Karang Tengah, there were 4 types of Hydrocoloid seaweed with a composition of 46.3% hydrocoloid species with the highest density in the species Padina australis; 387.7g / m2. Padina australis sheet and unbranched talus form
Keywords: hydrocolloid, composition, East Nusakambangan, Intertidal
 
Publisher Fakultas Biologi Universitas Jenderal Soedirman
 
Date 2021-03-21
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Peer-reviewed Article
 
Format application/pdf
 
Identifier http://jos.unsoed.ac.id/index.php/bioe/article/view/3568
10.20884/1.bioe.2020.2.3.3568
 
Source BioEksakta : Jurnal Ilmiah Biologi Unsoed; Vol 2 No 4 (2020): BioEksakta; 538-543
2714-8564
 
Language eng
 
Relation http://jos.unsoed.ac.id/index.php/bioe/article/view/3568/2341
 
Rights Copyright (c) 2021 BioEksakta : Jurnal Ilmiah Biologi Unsoed
 

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