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All Journal Jurnal Perikanan Journal of Artha Biological Engineering
Anandita Ekasanti
Jenderal Soedirman University
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Environmental Science Medicine & Pharmacology

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ANALYSIS OF SEDIMENT TEXTURE AND ORGANIC CARBON CONTENT ON MACROZOOBENTHOS ABUNDANCE IN THE MANGROVE AREA OF KARANGTALUN NORTH CILACAP Dewi Wisudyanti Budi Hastuti; Riviani Riviani; Anandita Ekasanti; Emyliana Listiowati; Dewi Nugrayani; Ririn Dwi Avrila; Davy Ananda Catur Wibowo
Jurnal Perikanan Unram Vol 14 No 4 (2024): JURNAL PERIKANAN
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jp.v14i4.1268

Abstract

Mangrove forests have an important role in reducing the impact of global warming as a place to absorb carbon dioxide (CO2) from the atmosphere which is mostly stored in sediment. Mangroves are a good habitat for aquatic biota such as macrozoobenthos. Macrozoobenthos are organisms that inhabit the bottom of sea waters and also exist in stable sediments. The aim of this research is to determine sediment texture, sediment organic carbon content, macrozoobenthos abundance and the relationship between sediment type and macrozoobenthos abundance. The method used in sampling was purposive sampling with a total of 3 stations. Sediment samples were taken using a core sampler at depths of 0-10 cm, 10-20 cm and 20-30 cm, while macrozoobenthos samples were taken using the hand sorting method. Organic carbon content was analyzed using the Loss on Ignition (LOI) method. The research results showed that the macrozoobenthos community structure at all stations produced low diversity and dominance indices and high uniformity indices.   The type of sediment texture in the research area shows an average value of the sediment fraction of 4.43% sand, 71.11% dust and 24.45% clay. The highest organic carbon content was found at stations near brackish water areas with an average of 12.06%, while stations near factory areas had the lowest content at 5.89%. There is a strong relationship between the type of sediment texture and the abundance of macrozoobenthos in the Karangtalun mangrove area, North Cilacap.
Proteolytic Bacterial Activity from the Digestive Tract of Udikan Fish (Tor Sp.) Caught in Banjaran River Roni Ruswanda; Anandita Ekasanti; Rima Oktavia Kusuma
Journal Of Artha Biological Engineering Vol. 3 No. 2 (2025)
Publisher : PT. Artha GenetikaLab Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62521/jmdy2152

Abstract

The type of feed commonly consumed by fish in nature can be predicted from the presence of microorganism communities in their digestive tract. One of the bacteria that plays an important role in the digestive tract is proteolytic bacteria. The purpose of this study was to determine the activity index and proportion of proteolytic bacteria from the digestive tract of udikan fish (Tor sp.) caught in the Banjaran River. The method used in this study was observation with a sampling technique conducted by purposive sampling. The activity index of proteolytic bacteria from the digestive tract of udikan fish (Tor sp.) was relatively low with an average value of 0.06 in 24-hour observations and 0.05 in 48-hour observations. The proportion of proteolytic bacteria obtained from the digestive tract of udikan fish (Tor sp.) was 33%.
Co-Authors Davy Ananda Catur Wibowo Dewi Nugrayani Dewi Wisudyanti Budi Hastuti Emyliana Listiowati, Emyliana Kusuma, Rima Oktavia Ririn Dwi Avrila Riviani Riviani Roni Ruswanda