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JURNAL RISET DIWA BAHARI
Published by Institut Teknologi dan Bisnis Maritim Balik Diwa
ISSN : -     EISSN : 30323177     DOI : -
Core Subject : Science, Engineering,
Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Immunology & microbiology
Jurnal Riset Diwa Bahari merupakan jurnal yang diterbitkan oleh Lembaga Penelitian dan Pengabdian kepada Masyarakat (LPPM) Institut Teknologi dan Bisnis Maritim Balik Diwa, Makassar. Jurnal Riset Diwa Bahari menerima naskah penelitian dan ulasan mengenai biologi kelautan, ekologi perairan, perikanan (budidaya ikan, penangkapan ikan, pengolahan, keanekaragaman spesies, alat tangkap), pencemaran udara, penginderaan jauh kelautan, mikrobiologi, bioteknologi, dan pengelolaan pesisir.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Perairan
Articles 10 Documents
 1 
Search results for , issue "Volume 2, Nomor 1, 2024" : 10 Documents clear
Identifikasi Jenis dan Kepadatan Sampah Laut di Pantai Melon Kabupaten Selayar Isman, Muh; Noor, Rahmat Januar; Afdal, Muh
Jurnal Riset Diwa Bahari (JRDB) Volume 2, Nomor 1, 2024
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LPPM) Institut Teknologi dan Bisnis Maritim Balik Diwa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63249/jrdb.v2i1.19

Abstract

The presence of marine debris in the waters can change the quality of the waters, which is caused by anthropogenic activities. This marine debris is a persistent solid material, which is intentionally or unintentionally thrown away and left in the marine environment. This research aims to determine the type and density of marine debris. The research was carried out in August 2022 at Melon Beach, Selayar Regency. The research uses a descriptive quantitative approach by conducting field surveys. Data analysis uses descriptive techniques to classify the types of marine waste collected and calculate the density and mass of the waste. The research results showed that there were 27 types of macro waste and 5 types of micro waste. The density of plastic waste ranged from 3-6 items/m2, whereas in this study the density of plastic waste ranged from 0.0001-0.008 items/m2.
Keterkaitan antara Faktor Lingkungan Hidro Oseanografi dengan Komunitas Gastropoda pada Kondisi Mangrove Berbeda di Kabupaten Kepulauan Selayar Abbas, Ahmad Ashar; Lapong, Muh. Imran; Noor, Rahmat Januar; Fathuddin
Jurnal Riset Diwa Bahari (JRDB) Volume 2, Nomor 1, 2024
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LPPM) Institut Teknologi dan Bisnis Maritim Balik Diwa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63249/jrdb.v2i1.20

Abstract

A study of the mangrove ecosystem, gastropod community structure, and the influence of hydrooceanography at three district station points on Selayar Island was carried out from March to April 2017. This research aims to show mangrove density in various conditions, to reveal the structure of the gastropod community. and the influence of hydrooceanography. This research was analyzed using the Shannon Wiener index variation method and The Principle Component Analysis (PCA). Overall research findings show: 1) mangrove density values at three station points, namely: a) station 1 (0.35); b) station 2; and c) station 3 (0.16); 2) gastropod density values, namely: a) station 1 (3.44); b) station 2 (3.00); c) station 3 (2.81). The highest relative and absolute frequency value of all stations is Littorina Scabra and the lowest is Terrebralia Pallustris. The diversity index value for gastropod species at various stations ranges from 1.00 to 1.45 and the unity index value ranges from 0.25 to 0.31, which is still relatively low. The distribution pattern of gastropods classified as community groups at each station ranged between 2.53-8.53. The results of the Principle Component Analysis show that gastropods at each station are influenced by environmental factors (Hydro Oceanography).
Identifikasi Jenis Bivalvia yang Hidup pada Kawasan Hutan Mangrove Desa Tongke-Tongke Kabupaten Sinjai Wahyuni, Andi Lis; Nurhaliza; Sumra
Jurnal Riset Diwa Bahari (JRDB) Volume 2, Nomor 1, 2024
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LPPM) Institut Teknologi dan Bisnis Maritim Balik Diwa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63249/jrdb.v2i1.21

Abstract

Identification of Bivalvia Types that live in the mangrove forest area of Tongke-tongke village, East Sinjai District, Sinjai Regency. This research aims to identify the types of bivalves that live in the Tongke-tongke Mangrove Forest Area. This research was carried out from November to December 2023. The sampling stations were divided into 3 locations. Sampling used the line transect technique which is the benchmark for placing plots measuring 1 m x 1 m. The bivalves found in the plot are the samples for observation. Phenotypic for all types of bivalves found were matched with identification books and data on internet sites about seawater mollusks, so there is little possibility of errors in determining the type (species) of bivalves found in the Tongke-tongke mangrove forest area. From the results of the research, 4 types of species were found, including 37 tahu clams (Meretrix meretrix), 8 lokan clams (Geloina erosa), 42 darah clams (Anadara granosa), and 31 bulu clams (Anadara antiquate), so The total number of shellfish (bivalves) found was 118 individuals
Pengaruh Perbedaan Salinitas Terhadap Tingkat Osmoregulasi Larva Udang Vaname Penaeus vannamei Atjo, Andi Arham; Anita; Januar Noor, Rahmat; Rusyd Mahfud, Chairul
Jurnal Riset Diwa Bahari (JRDB) Volume 2, Nomor 1, 2024
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LPPM) Institut Teknologi dan Bisnis Maritim Balik Diwa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63249/jrdb.v2i1.22

Abstract

This study aims to determine the effect of differences in salinity on the level of osmoregulation of vaname shrimp larvae (L. vannamei). The research method used a completely randomized design with 4 treatments and 3 replications, namely treatment 17 ppt (A), 22 ppt (B), 27 ppt (C), and 32 ppt (D). The parameters observed were survival rate, absolute weight growth, and osmoregulation at the osmotic work rate (TKO) of vaname shrimp. Data analysis used descriptive. A salinity of 22 ppt gave the best results for survival rates, namely 92.22%, and the best absolute weight growth results, namely 1.03 grams at a salinity of 17 ppt. The results showed that differences in salinity had no significant effect (p > 0.05) on survival and growth in absolute weight. The TKO value of treatment A is media with a salinity of 17 ppt with a value of 654 mOsm/H2O which is the highest TKO value and is a shrimp that is hyperosmotic, namely a liquid whose osmotic concentration is higher than its environment, treatment B is a medium with a salinity of 22 ppt with a value of 500 mOsm/H2O which is the lowest TKO value and is a shrimp that includes isoosmotic regulation. The level of osmoregulation in vaname shrimp indicates a stagnant osmotic performance level so it can be stated that there is no difference in TKO based on salinity.
Analisis Nutrisi Kerupuk Singkong (Manihot esculenta) dengan Fortifikasi Ikan Layang (Decapterus sp) Karim, Mutemainna; Saokani, Jawiana; Reski, Reski
Jurnal Riset Diwa Bahari (JRDB) Volume 2, Nomor 1, 2024
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LPPM) Institut Teknologi dan Bisnis Maritim Balik Diwa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63249/jrdb.v2i1.23

Abstract

This research aims to determine the effect of fortification of flying fish (Decapterus sp) on the nutritional value and best formulation of cassava crackers (Manihot esculenta). The benefits of this research are expected to provide information to the public about the most appropriate fortification of flying fish for the quality of cassava crackers based on the chemical properties of water content, ash content, protein content, fat, and crude fiber. This research was conducted in July-August 2022. Proximate testing was carried out at the Fishery Product Quality Implementation Center (BPMPP) and the Makassar Health Laboratory Center (BBLKM). The research method used was an experimental research method using an experimental design, namely a Completely Randomized Design (CRD) consisting of 4 treatments. Based on the ANOVA test, the research results showed that fortification of flying fish (Decapterus sp) had a significant effect on protein content, fat content, water content, ash content, and crude fiber content of cassava crackers (Manihot esculenta). Based on further tests using the Tukey test, it was found that the best formulation for fortification of flying fish (Decapterus sp) on cassava crackers (Manihot esculenta) was the formulation for sample D.
Analisis Keunggulan Bersaing Berkelanjutan Ekowisata Mangrove Lantebung Kota Makassar Wulandari, Sri; Nikma, Haerun; Tamti, Hartati
Jurnal Riset Diwa Bahari (JRDB) Volume 2, Nomor 1, 2024
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LPPM) Institut Teknologi dan Bisnis Maritim Balik Diwa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63249/jrdb.v2i1.24

Abstract

Preserving the mangrove ecosystem is very important for carrying out sustainable ecosystem management because the level of competition for eco-tourism in the mangrove ecosystem is increasing. An ecotourism can win the competition if it has a competitive advantage compared to its competitors. This idea of ​​competitive advantage comes from a resource-based perspective. We must have certain criteria so that the resource can be considered a strength or weakness. Therefore, the research method used is Mixed Method Research with the research aim of identifying Lantebung mangrove ecotourism resources, analyzing VR studies, and Lantebung mangrove ecotourism sustainability strategies. This research was conducted by placing resources and capabilities into five VRIOL categories. VRIOL is a tool for determining the nature of resources and capabilities. Meanwhile, the data collection technique is interviews and distributing questionnaires to 200 respondents using a sampling technique, namely purposive sampling. Furthermore, the data analysis technique used in this research is data triangulation. The research results show that VRIO analysis is used as a basis for identifying competencies possessed. To achieve a sustainable competitive advantage, these resources and capabilities must have four important attributes, namely valuable, rare, inimitable, and organized. This type of research is descriptive and qualitative research, data is collected using observation and interview methods. The research results show that there are sixteen types of resources in the Lantebung Mangrove Ecotourism consisting of tangible, intangible, and capability resources. Lantebung Mangrove Ecotourism has strategic strengths in sixteen resources at the Sustainable Competitive Advantage level.
Hubungan Bahan Organik Total (BOT) Sedimen dengan Struktur Vegetasi Mangrove di Desa Bonto Bahari Kecamatan Bontoa Kabupaten Maros Isman, Muh; Irwan Achmad, Muhammad
Jurnal Riset Diwa Bahari (JRDB) Volume 2, Nomor 1, 2024
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LPPM) Institut Teknologi dan Bisnis Maritim Balik Diwa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63249/jrdb.v2i1.25

Abstract

Mangrove forests are a distinctive type of forest found along the coast or river estuaries. This research was conducted in October 2023 on the coast of Bonto Bahari Village, Bontoa District, Maros Regency, South Sulawesi Province. Data collection includes preparation of tools and materials to be used at the research site. Data collection of mangrove ecosystems using line transects along 100 meters then draw transect lines perpendicular to the shoreline. Furthermore, placing a quadrant plot measuring 10 meters x 10 meters at three observation stations and three repetitions of each station. To determine the category of mangrove conditions based on the Minister of Environment Decree No. 201 of 2004, the identification of mangrove species using mangrove introduction guidebook. The measurement of environmental conditions directly measured at the study site includes parameters of temperature, salinity, soil pH taken at each observation station, as well as taking sediment at each station for the measurement of Total Organic Matter (BOT) tested in the laboratory, BOT analysis was performed using the method of burning with high temperature (550oC) (loss on ignition) for 2 hours. Based on the results of the study found 4 types of mangroves namely Avicennia alba, Avicennia marina, Rhizophora mucronata, and Rhizophora apiculata. Avicennia alba mangrove has the highest density value compared to other mangrove species. The substrate found at each station is medium sediment (medium sand). The results of PCA analysis showed that mangroves in the study site were influenced by salinity, temperature, and sediment pH. Mangrove density is more influenced by the total organic matter (BOT) content of sediments.
Karakteristik Morfometrik Juvenil Ikan Baronang Totol (Sigannus guttatus) pada Akuakultur Multi Tropik Berbasis Feeding Rate Heriansah, Heriansah; Rukmini Kustam, Sri; Sahriyanti , Andi; Tri Hidayani, Mesalina
Jurnal Riset Diwa Bahari (JRDB) Volume 2, Nomor 1, 2024
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LPPM) Institut Teknologi dan Bisnis Maritim Balik Diwa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63249/jrdb.v2i1.26

Abstract

Information on morphometrics has been widely used for catches. This study aims to determine the morphometric characteristics of rabbitfish in a multi-trophic system cultivation based on feeding rate. Rabbitfish are maintained in an integrated manner with green mussels, sea urchins, and seaweed. The study was conducted for 6 weeks at the Laboratory of the Balik Diwa Maritime Technology and Business Institute, Makassar. Three feeding rate treatments of 5%, 7.5%, and 10% each with three replications were given to rabbitfish with a frequency of 4 times a day. During maintenance, a closed water circulation process was carried out and continuous aeration was provided in each container. The results showed that the total length at feeding rates of 5%, 7.5%, and 10% were 5.3 cm, 7.1 cm, 8.1 cm, respectively, and the standard length was 4.1 cm, 5.8 cm, and 6.7 cm, respectively. Meanwhile, the height of each body was 1.8 cm, 2.1 cm, and 2.6 cm. Analysis of variance showed that these three morphometric variables were significantly affected by feeding rate, and the three levels of feeding rate were significantly different (P<0.05). Water quality during maintenance was in the range that could be tolerated by rabbitfish. Temperature was in the range of 26.0-28.6°C, salinity 25.1-28.5 ppt, dissolved oxygen 5.2-7.1 mg/L, pH 7.6-8.0 and ammonia 0.032-0.095 mg/L. The morphometric characteristics of rabbitfish in multi-trophic system cultivation increased significantly along with the increase in feeding rate.
Analisis Mikroplastik pada Sedimen di Perairan Tamalate Kecamatan Galesong Utara Kabupaten Takalar Kabangnga, Arnold; Islamiati, Dian; Tamti, Hartati
Jurnal Riset Diwa Bahari (JRDB) Volume 2, Nomor 1, 2024
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LPPM) Institut Teknologi dan Bisnis Maritim Balik Diwa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63249/jrdb.v2i1.27

Abstract

The existence of microplastics will cause the environment to be disturbed because of their microscopic size so organisms very easily swallow them. This research aims to analyze the microplastic content in sediment based on type, color, shape, size, and type of microplastic polymer. The research method used is quantitative with a survey approach. Sampling was conducted using transects stretched along the coastline for 25m into the sea. Observations at each location consisted of 3 sub transects with 2 repetitions. The research results show that the forms of microplastic found in North Galesong waters are in the form of lines and fragments. A total of 2 particles are in the form of fragments and 41 are in the form of lines. Analysis of the color of the microplastics found 27 particles blue, 7 particles transparent, 8 particles red, and 1 particle green. The size of microplastics at station 1 was dominated by line shapes with sizes ranging from 0.084-0.854 mm and those in fragment form ranging from 0.222 mm, at station 2 the size of line shape microplastics ranged from 0.069-0.963 mm and fragments 0.092 mm, and at station 3 the microplastic particles were in the form of lines range from 0.063-0.693 mm. The total abundance of microplastics in North Galesong waters was 0.43 particles/gr, namely at station 1 as much as 0.11 particles/gr, station 2 as much as 0.11 particles/gr, and station 3 as much as 0.21 particles/gr. The types of polymers found at each station are polyester polymer, PAN film, isotactic polypropylene, powdered cellulose, cellulose, and cellophane.
Analisis Tingkat Kesukaan dan Daya Simpan Asinan Rumput Laut (Gracillaria sp.) Wulandari, Sri; Harianti, Harianti; Andi Lawi, Yeni Savitri; Suprianto, Suprianto; Ningsih, Nining Adia
Jurnal Riset Diwa Bahari (JRDB) Volume 2, Nomor 1, 2024
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LPPM) Institut Teknologi dan Bisnis Maritim Balik Diwa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63249/jrdb.v2i1.28

Abstract

Pickled Gracillaria sp. is a seaweed-based pickle. Seaweed is one of the seafood commodities that has many uses, economic value, and has a complete nutritional content. Pickled Gracillaria sp. is a form of processed diversification from seaweed, so this study aims to analyze the level of liking based on organoleptic tests, and the shelf life of processed Gracillaria sp. pickles. The processing of Gracillaria sp. into pickles and analysis of shelf life testing was carried out at the CV. LARS Production House. The research method used is quantitative descriptive method, while data analysis uses ANOVA. The results of the research on the level of favorability test based on the organoleptic test showed that the level of liking based on organoleptic tests is at 200C for texture, aroma, and taste. However, the color was preferred in the processed Gracilaria sp. at 300C. It can be seen that the majority of panelists dislike the texture, aroma, color and taste at 400C. While testing the shelf life of the anova test results showed that there was no real effect and influence on the shelf life testing of pickled products.

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