Analysis of Bivalve Abundance on Mangrove Density as a Basis for Sustainable Management in Tuing Beach

Abstract

This study aims to analyze the abundance of bivalves, analyze the relationship between mangrove density and bivalves and analyze the relationship of bivalve abundance with environmental parameters as the basis for sustainable management in Tuing Beach. This research was carried out in February 2024. The method used to determine the station point was purposive sampling at three research stations, mangrove density data was collected by the 10×10 m square transect method while bivalve data was collected by the quadratic transect method using a plot of 1×1 m. Based on the results of the study, as many as 3 species from 2 families, in the Veneridae  Family, Gafrarium pectinatum and Meretrix retrix species were found, in the family cyrenoididae the species Polymesoda erosa was found. The highest abundance of bivalves was found at station 2 with the dominance  of Gafrarium pectinatum at 3.00 ind/m², at station 2 for Gafrarium pectinatum, while the lowest was at 0.00 ind/m2 at 3 stations (at station 1 for Meretrix retrix and Gafrarium pectinatum species), (station 2 Polymesoda erosa), (station 3 Retrix retrix, Gafrarium pectinatum and Polymesoda erosion). Analysis using the PCA (Main Component Analysis) method showed that the density of mangroves with bivalve abundance in mangrove ecosystems was weakly related due to the small value of bivalve abundance. The relationship between bivalve abundance and environmental parameters obtained the result of abundance correlated with temperature as the parameter that most affects the existence of bivalves.