SPATIAL VARIATION IN POPULATION CHARACTERISTICS OF VENUS CLAM GAFRARIUM TUMIDUM RÖDING, 1798 (BIVALVIA: VENERIDAE) IN AMBON BAY, MALUKU

Marine Research in Indonesia

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Title SPATIAL VARIATION IN POPULATION CHARACTERISTICS OF VENUS CLAM GAFRARIUM TUMIDUM RÖDING, 1798 (BIVALVIA: VENERIDAE) IN AMBON BAY, MALUKU
 
Creator Islami, Muhammad Masrur
Bengen, Dietriech Geoffrey
Dody, Safar
 
Description Ambon Bay consists of two regions i.e. Inner and Outer Ambon Bay that was separated by Galala-Poka sill. Consequently these waters have different local environmental conditions that leads to the bivalve populations differences, one of them is venus clam Gafrarium tumidum. In this study, the distribution and spatial variation in population characteristics of of venus clam was quantified based on the analysis of their twelve shell dimensions from different populations. Fieldwork and analyses were conducted on April – Juni 2013. Total of 585 individuals of venus clam were found and could be divided into ten size-classes and three size categories i.e. small (< 23.11 mm), medium (23.12–32.05 mm) and large size (> 32.06 mm). The highest size-class density was found at medium size. Spatial distribution was related to the characteristics of sediment and other potential factors. Result of discriminant analysis showed that shell-width (SW) was the variable with the highest discriminating power and distinguishing between Inner and Outer Ambon Bay populations.
 
Publisher Research Center for Oceanography - Indonesian Institute of Sciences (LIPI)
 
Date 2018-11-30
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Survey; Analysis
 
Format application/pdf
 
Identifier https://mri.lipi.go.id/index.php/MRI/article/view/256
10.14203/mri.v43i2.256
 
Source Marine Research in Indonesia; Vol 43 No 2 (2018); 63-70
2443-2008
0216-2873
 
Language eng
 
Relation https://mri.lipi.go.id/index.php/MRI/article/view/256/pdf
 
Rights Copyright (c) 2018 Marine Research in Indonesia
http://creativecommons.org/licenses/by-sa/4.0
 

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