TORANI: Journal of Fisheries and Marine Science
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Diversitas and Distribution Pattern of Sea Cucumbers in Bajo Village Boalemo Sub District Tomini Bay Gorontalo
Full text linkThis research aims to determine the types, characteristics, diversity and distribution patterns of sea cucumbers in Bajo Village, Tilamuta District, Boalemo Regency. This research was conducted for 3 months starting from August to October 2022. Data collection on sea cucumber was carried out at 3 stations with 3 quadrants at each station with a quadrant size 4×25 meters, samples were taken at low tide during the day and at night. In addition, measurements of the physical and chemical quality parameters of the waters were also carried out. Based on the results of the study, 9 species pf sea cucumbers were found in Bajo Village, Tilamuta Sub District: Holothuria scabra, Holothuria atra, Holothuria coluber, Holothuria fuscocinerea, Stichopus vastus/gammat, Holothuria hilla, Actinopyga miliaris, Bohadchia similis, and Synapta maculata. Moreover, the abundance of sea cucumbers in the waters of Bajo Village, Tilamuta Sub District, Boalemo Regency, was found during daytime sampling. The diversity of sea cucumbers in the waters of Bajo Village ranges from 1,59–1,89 which is included in the medium category according to the Shannon-Wiener. In short, the distribution pattern of sea cucumbers in the waters of Bajo Village is more dominant in living in groups
Resilience of Processed Fishery MSME during The Covid-19 Pandemic in Makassar City
Full text linkThe Covid-19 outbreak has had a serious impact on various aspects of life and so far no drugs and antivirals have been found to completely cure the outbreak. Covid-19 has also become a serious threat in the economic field, one of which is in the field of processing fishery products. This study aims to determine the resilience of MEMEs in processed fisheries before the pandemic and during the COVID-19 pandemic in Makassar City. The sample in this study were eight MSMEs processed fisheries in the city of Makassar which were selected by purposive sampling. Primary data collection was carried out by interview using the help of a questionnaire. The data that has been collected was analyzed using a qualitative descriptive method. The results of the study show that the adaptations or strategies adopted by MEMEs in processing fisheries in meeting their daily needs are grouped into three categories, namely: The first is an active strategy, namely carrying out various activities by self-employment. The second passive strategy is trying to avoid risks caused by non-economic shocks (e.g. reducing social costs, health, education, and surrendering to circumstances). Furthermore, the network strategy is for example establishing relationships to obtain assistance both informally and formally from other parties
Operational Performance of Fish Landing Base (PPI) Lappa Sinjai Regency
Full text linkThis study aims to analyze the level of operational perfomance the fishing port clas PPI Lappa of Sinjai Regency. The research method used in a case study with the aspects studied include the provision of facilities used in PPI Lappa operational activities. Data were analyzed descriptively using the scoring method and operational performance appraisal table. The performance assessment is obtained by comparing the current condition of PPI Lappa with the provisions in the regulations stipulated of The Ministry of Maratime Affairs and Fisheries No. PER.08/MEN/2012 concerning fishing ports and the decision of the Director General of Capture Fisheries No.432/DPT3/0T.220.D3/I/2008 regarding guidelines for evaluating the performance of fishing port technical implementing units. The results of the study show that the performance of coconut PPI Lappa is 63,6 % or good performance status. Each parameter has a high percentage of weight and value success, includes the number of produnction 960,05%, ship visting frequensy 73,3%, ice service 458,10 %, fuel service ships 175,40%, clean water service 22,05% and the availability of port fasilities such as administration office, national marketing, marketing facilities, canteen, and mosque. The facilities available but not functioning are the guard post. Facilities that are not available, such as industrial facilities, processing facilities, ship repair facilities, supply facilities for engine parts and polyclinics
The Effectiveness of Underwater LED as a Fish Aggregating Device on a Fixed-Liftnet in Pangkep Waters
Full text linkThe rapid development of electrical technology in the field of fishing, especially utilizing the light to collect fish into the catchable area. Generally, Light emitting diode (LED) lamps for fishing are placed above the water surface. The success of this technology has become the basis for conducting experiments with the position of the lamp in the water to see its effectiveness as a fish collection device. The aim is to develop the application of light fishing technology by; (1) testing the effectiveness of using LED lights in collecting fish in the fixed lift-net catchable area to increase the number of catches; (2) assessing the quality of the catch, namely main and by-catch. The research was carried out in May-October 2022 in the Pangkajene and Islands Regency waters. The case method is one unit of fixed lift-net using 4 units of LED underwater lights with a power of 60 W. Data collecting with experimental fishing, namely following fishing operations for 40 trips. The parameters analyzed were the number and types of catches and the effectiveness of fishing gear based on fishing trips. The results showed that the catches types obtained were 15 species with 101.72 kg total catch. The number of catches is not significant, but the results of this study provide one hope, especially for Mitra fishermen. The innovation of LED underwater lights is new information that has good prospects as a more effective and environmentally friendly light capture device.
Kata kunci: Lampu Celup LED, bagan tancap, Perairan Pangke
Growth Rate of (Oreochromis sp) Saline Tilapia Seeds Cultured in Biofloc System using Fermented Vegetable Waste Feed
Full text linkThis study aims to determine the growth rate of Salin tilapia (Oreochromis sp.) which is cultivated in a biofloc system using fermented vegetable waste feed. The experimental design used was a completely randomized design (CRD) with 4 treatments and 3 replications and the feed used was fermented vegetable waste with different doses of prebiotics, treatment A Control, B 30 ml/kg, C 40 ml/kg, and D 50 ml /kg. The results showed that the feeding of fermented vegetable waste had a significantly different effect (P<0.05) on the growth rate. Fermented vegetable waste feed with a probiotic dose of 30ml/kg showed a daily growth of 5.44% although the survival from the ANOVA test results showed no significant difference
Growth Performance of Tilapia Oreochromis niloticus with the Provision of GDM Probiotics maintained with the Biofloc System
Full text linkTilapia is one type of freshwater fish that has economic value. This type of fish has good adaptability and fast growth. One of the problems in tilapia cultivation is that probiotics have not been utilized in the maintenance media with a biofloc system. This study aimed to determine the dose of probiotic supplementation in the formation of bioflocs on the growth and survival of tilapia. The research was conducted at the Educational Pond, Bosowa University, Maros Regency. The test animals used were tilapia seeds measuring 2-3 cm long. The stocking density of 3 seeds/L were kept in a basin with a capacity of 80 L filled with 60 L of water. The treatment tested was GDM probiotic supplementation in media with doses of A 5%, B 6%, C 7%, and D 0 %. The study used a completely randomized design with 4 treatments and 3 replications so that there were 12 experimental units. Seeds were reared for 60 days by feeding Hi-Pro-Vite FF-99 as much as 3% of body weight biomass per day. The results showed that GDM probiotic supplementation with different doses significantly affected the growth and survival of tilapia. Supplementation of GDM probiotics 5%, 6% and 7% in the media gave the same effect on the growth and survival of tilapia but significantly different from the treatment without probiotics. The highest growth and survival rate of tilapia was obtained at a dose of 5%, 4.27g and 65%, respectively, while the lowest was in the treatment without probiotics, namely 3.27g and 48.33%. Based on the results of the study, it is recommended that 5% GDM probiotic supplementation in tilapia rearing containers is recommended
Threats of Microplastic Pollution on Aquaculture Activities in Indonesia
Full text linkAquaculture is a growing fisheries sector. Along with the growth of aquaculture, water quality problems become one of the main factors that need to be considered, especially related to pollution pressure. Microplastic (MPs) is a pollutant sourced from anthropogenic activities and is currently in the spotlight and has been widely studied in aquatic environments around the world. However, in Indonesia, research related to MP especially in term of aquaculture activities is still lacking. The presence of MP in aquaculture activities can originate from internal sources such as the use of unmaintained aquaculture equipment/facilities and the use of feed contaminated with MP. Then, the external source of MP at the cultivation location can come from water sources that come from an environment that has been previously polluted by MP. Maintenance of aquaculture equipment/facilities, search for alternative feed raw microplastic free materials and protection of the aquatic environment from MPs are some of the ways to reduce the presence of MP in aquaculture sites. The existence of MP in aquaculture activities is related to food safety of aquaculture commodities
The Effect of Combination of Nitrogen and Phosphate Enrichment on the Development of Seaweed Spores (Kappaphycus alvarezii)
Full text linkSeaweed (Kappaphycus alvarezii) is one of the aquatic commodities that has the potential to be developed due to demand reaching the international market (Ari, SP and Risna Yusuf, 2018). Provision of seeds is still carried out by vegetative means (cuttings) (Runtuboy N and Slamet Abadi, 2018). However, there are problems, especially the provision of quality seeds, large scale, and does not depend on the season. Provision of seeds can also be done generatively. K. alvarezii can be developed by exploiting the nature of sexual reproduction through the development of spores which are characterized by the presence of cystocarp on the surface of the thallus (Juniarta I, 2016). However, the cystocarp in its growth really needs nutrition in order to produce spores of good quality and quantity. The nutrients needed are nitrogen and phosphate. This is due to the role of nitrogen as a constituent of protein and phosphate as a provider of energy (Pauwah A, et al., 2020). The purpose of this study was to determine the dose ratio of nitrogen and phosphate enrichment on cystocarp development. The research was carried out from November 2018 to February 2019, at the Seaweed Laboratory of the Takalar Brackish Water Aquaculture Fishery Center (BPBAPT). The study contained 6 treatments with 3 repetitions, namely Treatment A = Without enrichment (SW), Treatment B = 0.5 ppm N: 0.5 ppm P, Treatment C = 1 ppm N: 0.5 ppm P, Treatment D = 1.5 ppm N : 0.5 ppm P, Treatment E = 0.5 ppm N : 1 ppm P, and Treatment F = 0.5 ppm N : 1.5 ppm P. The results showed that the highest germination was in treatment D with an average of 56.95%. However, the research was not significantly different between treatments (p>0.05)
Managerial Pattern and Work Relations at Traditional Pond in Pangkajene and the Island District (Milkfish Aquaculture Case in Bonto Manai Village)
Full text linkImproving the quality of traditional farmers on a technical, social and economic scale, is strongly influenced and determined by the capacity to carry out pond business activities related to managerial patterns and work relationships that are formed. This research was conducted in October – December 2021. Milkfish (Chanos-chanos) aquaculture business in Bonto Manai Village was chosen as the case, because the aquaculture system managed by the community is dominated the traditional aquaculture system. The purpose of this research is to analyze the knowledge of traditional aquaculture as a technical practice in managing aquaculture businesses, as well as to analyze the work relations of traditional aquaculture businesses which are internalized in the local culture of the community. The methodology used is a case research method with a descriptive qualitative data analysis approach described in the life history of the informants. The results showed that traditional farmers in milkfish (Chanos-chanos) aquaculture in Bonto Manai Village have acquired knowledge gained through experience passed down from generation to generation, starting from the construction and management of pond subgrade, seed stocking, rearing, harvest and post-harvest. Accompanied by rituals based on belief as a traditional value. The managerial pattern and work relations in the management of traditional pond business have three types of management, namely; aquaculture business which is self managed by the owner of the aquaculture land with involving two to three workers, aquaculture business which is managed based on a leasing system, and aquaculture business which is managed by a rapture system.
Keywords: Managerial Pattern, Work Relations, Traditional Pond, Milkfish
Feasibility Analysis of Vanname Shrimp Ponds in Various Cultivation Technology Systems (Case Study in Manakku Village, Labakkang District, Pangkep Regency)
Full text linkVanname shrimp is a fishery commodity that is currently popular with many people because vanname shrimp is more free and resistant to disease and is a promising business prospect for cultivators. Shrimp cultivation business in educational ponds at the University of Muhammadiyah Makassar located in Manakku Village, Labakkang District, Pangkep Regency is a business with vanname shrimp commodities. This study aims to determine the amount of costs and income, business studies on various vanname shrimp culture technologies carried out by 3 vanname shrimp farmers. This is done to assess whether the cultivation business is feasible or not feasible to be developed. Based on the business studies carried out, it can be seen that the vanname shrimp cultivation business in the education pond is profitable. The research results obtained are; 1) The investment cost for each farmer is Rp. 19,000,000,-. The total cost of vanname shrimp farming per farmer is Rp. 71.818.750, -, Rp. 140,685,000, -, and Rp. 207,712,500,-. The total cost of vanname shrimp farming is the sum of fixed costs and variable costs. The total income of vanname shrimp farming business earned by each farmer is Rp. 44,871,250,-, Rp. 75,960,000, -, and Rp. 67.287.5000,-. 2) The study of shrimp farming resulted in R/C ratio per farmer of 1.62, 1.54 and 1.32, the value of B/C Ratio of 0.62, 0.54 and 0.32, Break Event Point (BEP ) divided into 2, namely BEP Volume and BEP price. The value of BEP Production/volume per farmer is 1025.98 kg, 2164.38 kg, and 41542.50 kg, while the price BEP is Rp. 43,083, Rp. 42,210 and Rp. 41,543