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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 221 Documents
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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.
SHUTER, THE INNOVATION TOOLS TO REPLACE STONE FOR HANDLINE BAIT OF TUNA Mustasim Mustasim; Misbah Sururi; Muh Kasim; M. Ali Ulat; Muhfizar Muhfizar; Muhammad Maskur
AQUASAINS Vol 11, No 1 (2022)
Publisher : Jurusan Perikanan dan Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/aqs.v11i1.p%p

Abstract

Tuna bait handline is used to catch small pelagic fish, the catch of which is used as tuna handline bait. Unfortunately, the tools used are natural beach stones, whose presence is dwindling, hard to find and also threatens beach abrasion. The purpose of this study was to find an effective, easy-to-use tool as a substitute for natural stone ballast in the tuna bait handline with the glass pump fishing method. The method used is the experimental method. This research is divided into two stages, namely preliminary research to determine the length of the shutter wire and the main research to determine the ideal weight and its effectiveness on the catch. Preliminary research from July to August 2021, followed by core research, namely testing shutter devices with different weights. (300gr, 400gr and 500gr) were repeated 4 times at FAD Makbon, Kab. Sorong in September 2021. Data analysis used a Completely Randomized Design, and qualitative descriptive to describe the best Shuter construction and the results of testing the effectiveness of the shutter with the fisherman's bait handline. The total fish caught on the three Shuters were 53 fish, with a total weight of 112, 66 kg. The composition of the catch consisted of 53 baby tuna (80,485 kg), 11 salmon (7,687 kg), 7 tuna (22,864 kg), and 3 skipjack tuna (1,630 kg). The length of stainless wire required for Shuter is 80 cm, the ideal Shuter weight and is stable enough to operate in FADs is 300 gr, 400 gr and 500 gr. The response of the fish caught was mostly on Shuter with a length of 80 cm and a weight of 400 gr.
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.
ANALYSIS OF PHOTOCHEMICAL PROFILE AND ENDOSYMBION BIOMASS OF CORAL Symbiodinium sp Moh Muhaemin; Henky Mayaguezz; Anma Hari Kusuma; Wike Ayu Eka Putri
AQUASAINS Vol 11, No 1 (2022)
Publisher : Jurusan Perikanan dan Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/aqs.v11i1.p1167 - 1178

Abstract

Coral reefs are important ecosystems with the highest species diversity on earth. Besides its high ecological and economic value, it turns out that coral reefs are facing global climate change. One of the environmental factors affected by the effects of global climate change is the penetration of sunlight that reaches the earth's surface. Symbiodinium as a coral endosymbiont turns out to have an adaptation pattern that is correlated with environmental conditions, especially light. The research focused on the interaction between solar radiation and Symbiodinium and its biochemical profiles, which have an important meaning for coral reef ecology and its recovery when affected by excessive light. In addition, it opens up opportunities for the use of light as a triggering factor for the production of certain biochemical compounds in cells. The micro-habitat conditions in the laboratory are made in such a way that it can provide penetration of light intensity that is at the optimal or extreme threshold for Symbiodinium. The measured light intensity is expected to trigger the process of cellular adaptation and the production of certain biochemical compounds in cells. The results are expected to show that light has a significant effect on changes in the content of biochemical compounds in Symbiodinium biomass. The increase in light intensity is expected to guide cells to increase the concentration of lipids and intracellular fibers.
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.
THE EFFECT OF DIFFERENT PLANTING DISTANCES ON THE GROWTH OF Sargassum sp. CULTIVATED AT BOTTOM-OFF IN EKAS BAY, JEROWARU DISTRICT, EAST LOMBOK REGENCY Nunik Cokrowati; Baiq Regia Gemara Putri; Andre Rachmat Scabra
AQUASAINS Vol 11, No 1 (2022)
Publisher : Jurusan Perikanan dan Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/aqs.v11i1.p%p

Abstract

Sargassum sp. is brown algae which contain bioactive compounds such as fucoidan and alginate. Alginates are widely used in the medical, food and gelling industries and stabilizers. In laboratory experiments, Fucoidan can be used as anti-inflammatory, anti-tumour, and anti-viral. This study aims to analyse the effect of different spacing on the growth of Sargassum sp. using the baseline method in Ekas Bay, Jerowaru District, East Lombok Regency. The method used is an experimental method using a Completely Randomized Design (CRD) with a cultivated period of 30 days. The results showed the growth of Sargassum sp. The highest was in treatment E (40 cm) with an average absolute growth of 628 g, specific growth of 3.76%, number of leaves 7843, number of fruits 7413, with 90% Alginate yield. The lowest growth value was obtained in treatment A (20 cm) with an absolute growth value of 392 g, specific growth of 2.78%, number of leaves 5084, number of fruits 5610 with an alginate yield of 57% with an initial planting weight of 100 g. The conclusion of this research is the different spacing of the seaweed Sargassum sp. using the baseline method in Ekas Bay, Jerowaru District, East Lombok Regency had a significant effect on absolute growth, specific growth rate, and several leaves but not significant on the number of fruits.
THE COMPOSITION TEST OF TILAPIA FEED (Oreochromis niloticus) WITH ADDITION OF FLOUR E. cottonii FERMENTED USING TAPE YEAST AND EM-4 Nita Annisah Al Barru; Nita Salnida Dewi; Dewi Putri Lestari
AQUASAINS Vol 11, No 1 (2022)
Publisher : Jurusan Perikanan dan Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/aqs.v11i1.p%p

Abstract

This study attempts to analyze the growth of tilapia feed with additional flour E. cottonii fermented with a combination of tape yeast and EM4. This study used a Completely Randomized Design (CRD) with 4 treatment and 3 replications which is P1 (control/0% fermented E. cottoni flour), P2 (4% fermented E. cottoni flour), P3 (8% fermented E. cottoni flour), and P4 (12% fermented E. cottoni flour). Fish maintenance done for 50 days. The observed parameters were absolute growth rate, absolute length growth, specific growth rate, feed efficiency, feed convertion ratio, survival rate and water quality. Data were analyzed using Analysis of Variance (ANOVA) within 95% of trust. The result showed that there is no significant different on the growth, feed efficiency, feed convertion ratio, and survival rate but could potentially be an alternative feed raw materials because it is still capable of producing the same results with control feed.
DEVELOPMENT ANALYSIS OF QUACULTURE VILLAGE IN GARUT REGENCY Anindya Pratami Putri; Iwang Gumilar
AQUASAINS Vol 11, No 2 (2023)
Publisher : Jurusan Perikanan dan Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/aqs.v11i2.p1277 - 1286

Abstract

This study aims to identify issues and formulate strategies related to the development of aquaculture village areas in Garut Regency. This research was conducted for 2 months, namely August-October. Methods of data collection by observation and interviews. Data analysis using SWOT analysis. Garut Regency has the potential for freshwater aquaculture covering an area of 26,000 hectares which includes aquaculture of calm water ponds, swift water ponds and rice fields. The aquaculture village is a program from the Ministry of Maritime Affairs and Fisheries (KKP) which aims to improve the local rural economy for the period 2021-2024. The application of the concept of developing aquaculture villages is a strategic step in the implementation of marine and fisheries development. Aquaculture village is an area based on superior commodities and local commodities, which can encourage the development of competitive and sustainable fish farming, as well as protect fish resources and ensure sustainable and planned production. The results of the SWOT analysis show that an important strategy in developing aquaculture village areas in Garut Regency is to take advantage of market opportunities, government development supervision and community participation.
BIOCONCENTRATION FACTORS OF HEAVY METALS COPPER (CU) AND ZINC (ZN) IN GREEN MUSSELS (Perna viridis) IN THE WATERS OF TAMBAK LOROK SEMARANG Jihan Najla Difa; Max Rudolf Muskananfola; Churun A’in
AQUASAINS Vol 11, No 1 (2022)
Publisher : Jurusan Perikanan dan Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/aqs.v11i1.p%p

Abstract

Tambak Lorok is a coastal area in Semarang. These waters have the potential to be contaminated with heavy metals Copper (Cu) and Zinc (Zn). The study aimed to determine the concentration of Cu and Zn in water, sediment and soft tissues of Perna viridis, knowing the effect of shell size on heavy metal absorption, knowing the bioconcetration factors of heavy metals and knowing the maximum limit of weekly consumption of Perna viridis. The study was conducted in November 2020. Determination of the location of the study using the Purposive sampling method.Concentrations of Cu and Zn in water, sediment and Perna viridis by the Atomic Absorption Spectrophotometer method. The results showed the content of Copper in water ranged from 0.06-0.151mg/l; sediments 26.634-38.433 mg/l and green mussels 4.76-11.00mg/l. Heavy metal Zinc is not detected in water, sediment and green shells one factor is that the tools used are insensitive to low concentrations of metals. Based on the results of statistical tests the difference in shell size has no effect on the absorption of  Cu in soft tissues. Bioaccumulation levels belong to the low-moderate category. The safe limit of consumption of green mussels for weight 40 kg is 15.683 mg/weeks and for weight 60 kg is 23.524 mg/weeks.
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.

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