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All Journal Biodiversitas Journal of Biological Diversity
NUR ROHMATIN ISNANINGSIH
Research Center for Biosystematics and Evolution, National Research and Innovation Agency. Jl. Raya Bogor KM. 46, Cibinong, Bogor 16911, West Java, Indonesia
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

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Short Communication: New records of Mactra clams (Bivalvia: Mactridae) from Madura Island, Indonesia CATHERINE BERLIANA WIJAYA; RENI AMBARWATI; NUR ROHMATIN ISNANINGSIH
Biodiversitas Journal of Biological Diversity Vol. 24 No. 12 (2023)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d241230

Abstract

Abstract. Wijaya CB, Ambarwati R, Isnaningsih NR. 2023. Short Communication: New records of Mactra clams (Bivalvia: Mactridae) from Madura Island, Indonesia. Biodiversitas 24: 6684-6691. Mactridae is a family of bivalves found in shallow waters, such as living at high tide lines, in tidal areas, and below low tide lines. More mactrid bivalves could be discovered, and further studies are needed in Indonesian waters. Madura Island has a variety of bivalves, and Mactra clams could also be discovered on this island. Therefore, this study aimed to identify Mactra clams from Madura Island, Indonesia, and analyze their morphological characters. Samples were collected at Nepa and Badur Beaches during low tides, and then identified based on morphological characteristics. A stereo microscope observation and detailed descriptions were carried out to obtain the qualitative characteristics, while the quantitative ones, included shell length and height, palial line height, and diameter. The environmental parameters of this two-beach were also evaluated. Data were analyzed descriptively. The results showed two new records of Mactridae members at both beaches, namely Mactra luzonica Reeve, 1854, Mactra dissimilis Reeve, 1854. Mactra dissimilis revealed morphological variation, namely in the coloration on both the exterior and interior of the shell. There were three variations of M. dissimilis, namely bluish-white shell, brownish-white shell, and white shell. The findings of M. dissimilis and M. luzonica are regarded as new records for Madura Island, Indonesia.
Short Communication: Diversity, abundance, and utilization of bivalves on the south coast of Pamekasan, Madura Island, Indonesia EKA RESI KURNIAWAN; RENI AMBARWATI; NUR ROHMATIN ISNANINGSIH
Biodiversitas Journal of Biological Diversity Vol. 25 No. 6 (2024)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d250614

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Abstract. Kurniawan ER, Ambarwati R, Isnaningsih NR. 2024. Short Communication: Diversity, abundance, and utilization of bivalves on the south coast of Pamekasan, Madura Island, Indonesia. Biodiversitas 25: 2454-2462. Bivalves are a group of mollusks that include clams, oysters, scallops, and mussels. Bivalves have vital roles both economically and ecologically. This study aims to analyze the diversity and abundance of bivalves in the intertidal zone of south coast of Pamekasan, Madura Island, Indonesia. Sampling was carried out at the lowest tide using the line transect method at four research stations located at Talang Siring Beach and its adjacent areas. Identification was conducted based on morphological characteristics. The data were analyzed descriptive-quantitatively. The results showed that in south coast of Pamekasan, there were 21 species of bivalves belonging to 13 genera and 8 families. The value of diversity index was 2.21 which included in the medium category. The results of the bivalve community index stated that the station 3 had the highest diversity value among other sampling stations, which was 2.2. The highest relative abundance value was found in the species Tellinides timorensis Lamarck 1818 which was 35.96%. Among the 21 species found at Talang Siring Beach and its adjacent areas, nine of them are frequently utilized by local people. Although Talang Siring Beach is managed as a tourism area, this beach is a potential habitat for bivalves.
Co-Authors CATHERINE BERLIANA WIJAYA EKA RESI KURNIAWAN RENI AMBARWATI RENI AMBARWATI