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INDONESIA
Aquasains : Jurnal Ilmu Perikanan dan Sumberdaya Perairan
Published by Universitas Lampung
ISSN : 2301816X     EISSN : 25797638     DOI : -
Core Subject : Education,
Other
Arjuna Subject : -
Articles 7 Documents
 1 
Search results for , issue "Vol 12, No 1 (2023)" : 7 Documents clear
BIOMASS PRODUCTION, GROWTH RATE, AND CARRAGEENAN CONTENT OF Kappaphycus alvarezii PERFORMED BY VERTICULTURE METHOD WITH DIFFERENT INITIAL WEIGHT Agus Kurniawan B; Asriani Asriani; Muhammad Subhan Hamka
AQUASAINS Vol 12, No 1 (2023)
Publisher : Jurusan Perikanan dan Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/aqs.v12i1.p1355-1364

Abstract

Kappaphycus alvarezii seaweed is important for the processing industry because it contains carrageenan used as a stabilizer, thickener, material forming an emulsifier. This study aimed to find the best and optimal initial seed weight treatment for maximum biomass production, growth rate, and carrageenan content. The research location was in the waters of Aeng Batu-Batu Village, Takalar Regency, South Sulawesi in August-September 2022. The randomized block design method (RAK) consisted of 4 treatments each with 4 repetitions. Seaweed seedlings from spores were weight of 20 g, 40 g, 60 g, and 80 g planted at 60 cm depth respectively and maintained for 45 days. Data analysis used (ANOVA) and W-Tuckey to determine the differences between treatments. The result of the analysis of variences showed that the weight of 40 g, 60 g, and 80 g had an effect on the biomass production, growth rate, and K. alvarezii carrageenan content. However, the highest yield was obtained at a weight of 20 g which had a very significant effect (p<0.01).
CPUE TREND AND DOMINANT FISHING GEAR OF MACKEREL (Rastrelliger sp.) LANDED IN KARANGANTU Lana Izzul Azkia; Fitri Afina Radityani; Muhammad Reza
AQUASAINS Vol 12, No 1 (2023)
Publisher : Jurusan Perikanan dan Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/aqs.v12i1.p1413-1421

Abstract

PPN Karangantu is one of the fish landing sites in Serang City, Banten Province. One of the most commonly landed fish species at PPN Karangantu is mackerel. Several fishing gears are used by Karangantu fishermen to catch mackerel, including single monofilament gillnets, boat lift nets, lift nets, and lines. While mackerel fishing efforts in the 2017-2021 timeframe are likely to increase, specific management measures for mackerel fishery at Karangantu PPN have not been implemented. The purpose of this study was to determine the CPUE trend for mackerel fisheries in the 2017-2021 timeframe and to identify the dominant types of fishing gear used in mackerel fishery activities. The data used in this study were obtained from the PPN Karangantu statistical report and field observations. The collected data was processed and analyzed using CPUE and descriptive analysis. The results showed that the CPUE trend for mackerel from 2017 to 2021 tends to increase sustainably, with the single monofilament gillnet being the dominant fishing gear used in mackerel fishing.
CONSUMER PREFERENCES OF BIODEGRADABLE TOTE BAG PRODUCTS FROM SEAWEED CARRAGEENAN (Eucheuma cottoni) Ine Maulina; Abiomi Ciptoning Bentali; Asep Agus Handaka Suryana
AQUASAINS Vol 12, No 1 (2023)
Publisher : Jurusan Perikanan dan Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/aqs.v12i1.p1377-1389

Abstract

Biodegradable tote bag is a processed carrageenan product from seaweed (Eucheuma cottoni) which is processed into fashion products. Consumer preferences are used to see consumer choices in determining the most preferred attributes of biodegradable tote bag products. This study aimed to see consumer preferences for biodegradable tote bag products. This research was conducted in Cibinong District, Bogor Regency as a general segmentation and Jatinangor District, Sumedang Regency as a special segmentation. The research method used was quantitative descriptive with analysis using frequency distribution and the Mann-Whitney U Test. The sampling technique was purposive sampling. The results showed that, out of the 6 attri-butes, there were 2 attributes that had a real difference between general segmentation and student segmentation, namely color attributes and the size of biodegradable tote bag products. Meanwhile, the other 4 attributes have no noticeable difference, namely texture, aroma, water resistance, and weight durability. Consumer preferences in general segmentation and the majority of students choose biodegradable tote bags that have a dark green color, smooth texture, no aroma, resistant to water, the ability to withstand a weight of > 1 kg, and measuring 30 x 40 cm.
NEW MEMBERS OF DECAPOD FAUNA IN FINIKE BAY, TURKEY Mehmet Gökoğlu; Erkan Biçer; Ferhat Çağıltay; Jale Korun; Mesut Yılmaz; Alper Yıldız
AQUASAINS Vol 12, No 1 (2023)
Publisher : Jurusan Perikanan dan Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/aqs.v12i1.p1370-1376

Abstract

Shrimp fishing is done by trawling in the deep waters of Antalya and Finike Gulfs. The shrimp species generally caught during this fishing are Aristaeomorpha foliacea, Aristeus antannatus, Plesionika edwardsii, P. martia.  Besides these species, Pasiphea multidentata and P. sivado, which have no economic value, are rarely caught. Two different shrimp species were caught during trawling in the 400-500 m deep waters of Finike Bay on February 7, 2022. Since the fishermen did not know the shrimp species they caught, they wanted the species to be identified. It has been determined that these shrimp species caught in the deep waters of Finike Bay are Oplophoroidae family members i.e. Acanthepyra eximia and A. pelagica. These caught shrimps are pelagic species. With the discovery of these species in the Finike Bay, two more species were added to the Decapod fauna of the Finike Bay.
LOCATION SUITABILITY AND PERFORMANCE OF FRESHWATER FISH FARMING IN FLOATING NET CAGES AT THE PAMARAYAN DAM, SERANG, BANTEN Wahyu Hidayat; Adi Susanto; Desy Aryani
AQUASAINS Vol 12, No 1 (2023)
Publisher : Jurusan Perikanan dan Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/aqs.v12i1.p1390-1400

Abstract

The Pamarayan Dam is located in Cikeusal District, Serang Regency, Banten Province where many freshwater fish cultivators based on floating net cages are found. Important aspects that are assessed in aquaculture activities are measuring water quality, location suitability, and productivity. This study aimed to determine the site suitability criteria and analyze the existing performance of fish farming activities with floating net cages. The research was conducted from January to March 2023 at the Pamarayan Old Dam at 4 stations. Water sampling was carried out in situ and ex situ including temperature, pH, DO, TDS, current, brightness and depth, BOD, COD, total P, total N, TSS, and ammonia. Water quality analysis was carried out at the DLH laboratory in Serang City and UPT LABKES in Serang Regency. Additional data by conducting interviews with cultivators. The results showed that the Pamarayan Dam had suitability in the S2 class (appropriate) at all stations. This is based on water quality, most of which are still in accordance with class 3 quality standards including parameters of temperature, pH, BOD, TSS, DO, COD, total P, and ammonia. Cultivation performance at the Pamarayan Dam has a large advantage, where the average net profit per cultivation cycle is Rp. 41.332.000.
OCCURRENCE OF Bregmaceros nectabanus (WHITLEY, 1941) IN THE GULF OF ANTALYA Ferhat Çağıltay; Mehmet Gökoğlu; B. Ahmet Balcı; Alper Yıldız
AQUASAINS Vol 12, No 1 (2023)
Publisher : Jurusan Perikanan dan Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/aqs.v12i1.p1365-1369

Abstract

With the opening of the Suez Canal in 1869, a connection was established between the Red Sea and the Mediterranean. Because of this connection, many organisms of Red Sea origin migrated to the Mediterranean. These migratory organisms also include fish. For this reason, we monitor and determine the number of fish originating from the Red Sea in the Gulf of Antalya. One of the fishing methods in the Gulf of Antalya is trawler fishing. One of the fish species caught during commercial trawling is horse mackerel. A small and different type of fish was found in the stomach of horse mackerel caught during trawling on October 26, 2021 in the Gulf of Antalya. During the species identification of these fish samples, which were intact in the stomach content of horse mackerel and preserved their integrity, it was determined that these fish were Bregmaceros nectabanus, which is included in the Bregmacerotidae family. With this study, the presence of B. nectabanus identified in the Gulf of Antalya was one more addition to the number of Red Sea origin fish species in the Gulf.
THE INITIAL ECHINODERMS COMMUNITY STRUCTURE IN SEAGRASS BED OF MARINE TOURISM AREA: MAHITAM ISLAND AND KETAPANG BEACH, LAMPUNG Moh Muhaemin; Mohammad Fadhil Priambodo; Oktora Susanti; Eko Efendi
AQUASAINS Vol 12, No 1 (2023)
Publisher : Jurusan Perikanan dan Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/aqs.v12i1.p1422-1434

Abstract

Lampung is one of national marine tourism destination. Seagrass is one of fragile coastal ecosystem and it is a habitat and feeding ground for a number of Echinoderms species.  Echinodermata are nutrient recyclers that will in turn provide benefits to the seagrass ecosystem. This research aimed to assess the community structure of Echinoderms and seagrass as well as the relationship between Echinoderms abundance, seagrass densities, and water quality in Mahitam Island and Ketapang Beach. Observations were conducted at 7 stations, namely 3 stations on Ketapang Beach and 4 stations on Mahitam Island. Observations included the type and number of echinoderms, as well as the type, number of individuals, and number of seagrasses stands. Habitat quality that was observed were included water quality such as temperature, salinity, pH, DO (dissolved oxygen), current speed, brightness, and TOM (total organic matter) and also observed substrate type at each station. The result elucidated nine species of echinoderms and 4 species of seagrasses were found in both study sites. The average value of Echinoderms diversity index in Mahitam Island and Ketapang Beach was low. The uniformity index of Echinoderms in Mahitam Island was medium and Ketapang Beach was low. The dominance index of Echinoderms on Mahitam Island was categorized as low and Ketapang Beach was considered high. There was a domination of an Echinoderms species in some stations. The association between Echinoderms abundance, seagrass density and habitat quality in both locations showed a positive relationship and was influenced by the habitat quality parameters of seagrasses.

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