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All Journal Forum Pasca Sarjana JURNAL PERIKANAN DAN KELAUTAN TROPIS Torani Journal of Fisheries and Marine Science Jurnal Ilmu Kelautan Spermonde JURNAL IPTEKS PEMANFAATAN SUMBERDAYA PERIKANAN Pancasakti Journal Of Public Health Science And Research Jurnal Aquatik Jurnal Mitrasehat Journal AK-99
Muh. Hatta
Unknown Affiliation
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Environmental Science Health Professions Nursing Public Health Social Sciences Other

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Journal : Jurnal Ilmu Kelautan Spermonde

 1 
SPATIAL DISTRIBUTION AND STRUCTURE OF PHYTOPLANKTON COMMUNITIES THAT HAVE THE POTENTIAL TO CAUSE HARMFUL ALGAE BLOOMS (HABS) IN THE WATERS OF LAIKANG BAY, SOUTH SULAWESI Trimurti, Fadilla; Tambaru, Rahmadi; Hatta, Muh.; Samawi, Muh Farid; Rani, Chair
Jurnal Ilmu Kelautan SPERMONDE VOLUME 10 NUMBER 2, 2024
Publisher : Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/jiks.v10i2.19515

Abstract

The presence of nutrients such as nitrate and phosphate can have a positive impact on phytoplankton growth. However, if the nutrient concentration is very high in the waters, it can cause an explosion in the phytoplankton population or Harmful Algae Blooms (HABs) in the waters. Phytoplankton explosions in waters have a negative impact on the surrounding ecosystem, marine biota, and humans. This research aimed to analyze the spatial distribution and structure of phytoplankton communities that can potentially cause HABs in the waters of Laikang Bay, South Sulawesi. This research was conducted in June 2021. The research found 20 species of phytoplankton HABs from 2 classes, namely Bacillariophyceae (8 types) and Dinophyceae (12 species). The Bacillariophyceae class has a higher percentage, 93%, and Dinophyceae at 7%. The abundance status of phytoplankton HABs is classified as not blooming, with the highest abundance found at Station 4 (control), namely 210 ± 80 cells/L. The HABs phytoplankton diversity index (H') is moderate with a value of 1.576 – 2.332, the uniformity index (E) of Station 1 (west) and Station 4 (control) is moderate with a value of 0.568 and 0.582 while Station 2 (north) and Station 3 (south) is classified as high, namely 0.807 and 0.823, the dominance index (D) is classified as low with a value of 0.135 – 0.357. Spatially, phytoplankton HABs based on the station can be divided into five groups. The results of the PCA analysis show that substations 1.A, 1.B, 1.C, 2.A, 2.B, and 2. C are characterized by high temperature and salinity parameters. Substations 3.A, 3.B, and 3.C are characterized by high nitrate and phosphate parameters. Meanwhile, substations 4.A, 4.B, and 4.C are characterized by high parameters of brightness, current speed, and pH and are associated with a high abundance of phytoplankton HABs.  
SEDIMENT ORGANIC MATTER CONTENT BASED ON THE DIFFERENT AGES OF MANGROVE VEGETATION IN THE LANTEBUNG MANGROVE ECOTOURISM AREA, MAKASSAR Mashoreng, Supriadi; Hatta, Muh.; Rusti, Rusti
Jurnal Ilmu Kelautan SPERMONDE VOLUME 8 NUMBER 1, 2022
Publisher : Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/jiks.v8i1.19589

Abstract

Salah satu peran ekosistem mangrove bagi lingkungan adalah sebagai penyedia bahan organik melalui serasah yang jatuh. Serasah tersebut sebagian besar didekomposisi oleh bakteri pada sedimen, sebagian lainnya diekspor ke ekosistem lain dan sebagian kecil dimanfaatkan langsung oleh biota. Kandungan bahan organik pada sedimen diduga berkaitan dengan umur vegetasi mangrove. Penelitian dilakukan di kawasan ekowisata mangrove Lantebung Kota Makassar. Sebanyak empat stasiun sampling dibuat untuk menganalisis kandungan bahan organiknya. Stasiun tersebut ditempatkan berdasarkan jarak dari darat dengan asumsi bahwa semakin jauh dari darat, maka umur vegetasi mangrove semakin muda. Analisis bahan organik pada sedimen dilakukan menggunakan metode pembakaran pada suhu tinggi. Hasil penelitian menunjukkan terdapat tiga jenis mangrove yaitu Avicennia marina, Rhizophora mucronata dan Excoecaria agallocha. Jenis A. marina dominan pada bagian dalam dan tengah, sedangkan R. mucronata dominan pada bagian luar. Kandungan bahan organik sedimen berkisar 5,77-7,40% dengan rata-rata 6,68±0,68%. Pada lapisan sedimen 0-30 cm, terlihat bahwa semakin muda umur vegetasi mangrove maka kandungan bahan organik semakin kecil. Namun pada lapisan sedimen di bawahnya kandungan bahan organik relatif sama antar umur vegetasi yang berbeda. Total bahan organik pada kawasan mangrove Lantebung yang dijadikan sebagai area ekowisata (6,5 ha) sebesar 2.769 ton atau rata-rata 426 ton per hektar.
WATER QUALITY OF SEAWEED CULTIVATION (Eucheuma cottonii) LOCATION IN OLD TAKALAR, MAPPAKASUNGGU DISTRICT, TAKALAR REGENCY M, St. Madina; Syafiuddin, Syafiuddin; Samawi, Muh. Farid; Muhiddin, Amir Hamzah; Hatta, Muh.
Jurnal Ilmu Kelautan SPERMONDE VOLUME 8 NUMBER 2, 2022
Publisher : Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/jiks.v8i2.19770

Abstract

This study was aimed to determine the water quality and seaweed growth and the relationship between  oceanographic parameters and the growth of seaweed Eucheuma cottonii. This research was carried out from June-July 2021 at a seaweed cultivation location in Old Takalar, Mappakasunggu District, Takalar Regency. The seaweed cultivation method used is the longline method placed at three cultivation sites. Oceanographic parameters of physicochemical waters measured were temperature, salinity, pH, brightness, depth, current velocity, tides, nitrate, phosphate and dissolved oxygen. For the measurement of the growth of E. cottonii seaweed, the absolute growth was measured using One Way Anova analysis to determine differences in seaweed growth at each station of E. cottonii cultivation location. The correlation between oceanographic parameters and the growth of E. cottonii seaweed was analyzed using a correlation test. The results showed that the water quality at the cultivation site was within a reasonable range for seaweed cultivation in Old Takalar. The results of One Way Anova showed that there were significant differences in seaweed growth at each station where E. cottonii was cultivated. The results of the correlation test showed that the oceanographic parameters of the waters were very strongly correlated with the growth of E. cottonii seaweed, namely temperature, brightness, and depth.
Co-Authors Abd Rasyid J Abd Rasyid J, Abd Rasyid Amir Hamzah Muhiddin Amran Saru Amran, Muhammad Anshar Andi Iqbal Burhanuddin Ayumar, Andi Basri Daniel R. Monintja Esse Puji Pawenrusi Febrianti Febrianti Hardianti Hardianti, Hardianti Irbahyani, Nabilah Jufri Khairul Amri M, St. Madina Masna Basri Muh. Alwi Muh. Farid Muhtar, Siti Asmutianti Mulia Purba Nurjannah N Nurjannah N, Nurjannah Rafiuddin Rahmadi Tambaru Richardus F Kaswadji Rusti, Rusti Samawi, Muh Farid Samawi, Muh. Farid Supriadi - Syafiuddin Syafiuddin Trimurti, Fadilla