Fish Aggregating Devices (FAD's) have long been used by fishermen in South Buton Regency. This study aims to determine the utilization of FAD distribution as a fishing aid by purse sein vessels in the waters of Kadatua District, South Buton Regency. This study aims to determine the utilization of FAD distribution as a fishing tool by purse sein vessels in Kadatua District, South Buton Regency. Data collection methods include FAD point data taken from GPS (Global Position System) fishermen and dominant catch data from purse sein fishermen. The results of the study obtained data on the distribution of FADs in Kadatua District spread between a distance of 0-12 miles, during the study the coordinates of FADs were obtained as many as 79 coordinate points owned by fishermen in Kadatua District. FADs used by purse sein fishermen to carry out fishing operations have 24 FAD points, which are spread over a distance of 0 – 12 miles. In April the distribution of FADs used as fishing aids by purse sein vessels was at a distance of ± 0 – 12 miles, while in May and June FADs used as fishing aids were at a distance of ± 2 – 12 miles. The dominant fish catch data for purse sein fishermen is 690 kg in April, 525 kg in May and 735 kg in June. The dominant catch during the study was dominated by scad fish (Decapterus spp). The level of effectiveness of the dominant catch of purse sein fishermen is highest at a distance of 4-12 miles with a total catch of 1,070 kg of the total catch of 1,950 kg.

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Development of processed cassava commodity products so that it can improve the quality and high selling value when marketed by the community, especially cassava farmers. This effort is one of the strategies in maintaining and realizing food security through cassava diversification. This community service activity is to improve the skills of the community or cassava farmers in managing it into various foods that have high selling values with training. Service activities are carried out in Kaongkeongke Village, Buton Regency. The activity starts with the preparation of the materials and tools used. Next, the process of pounding the cassava becomes smooth to extract the starch which will be used as the basic ingredient for cake dough. After that all the wok is mixed to become a dough and steamed at a temperature of 80 - 100 oC. This training was carried out quite well and many people and cassava farmers attended and were enthusiastic in asking questions, so that the knowledge given in the form of training could be easily accepted by the participants.

The area of Baubau City has an ocean area of 200 miles, has fishery potential that can support people's lives. This study aims to: (1) determine the marketing agency in the marketing distribution of tilapia; (2) Knowing what the marketing margin of tilapia is; (3) Analyzing strategies and policies for developing tilapia aquaculture. This research was carried out in a fish production house starting in July-September 2021. The research method used qualitative descriptive methods and literature searches. To analyze the marketing functions based on each marketing agency, while the distribution margin analysis is carried out by calculating marketing costs both at the consumer and producer level. The results showed that there were 3 marketing distribution patterns, namely: Pattern I (Producer-Consumer), Pattern II (Producer-Retailer-Consumer), Pattern III (Producer-Wholesale-Retailer-Consumer). The distribution level of tilapia marketing in channel pattern I is more dominantly used because the marketing distribution channel is relatively shorter and affordable so that it cuts the marketing distribution channel to the final consumer level, so as to reduce other additional costs.