bluuebunny/crossref_metadata_2025_split huggingface dataset:
Effect of various planting distances on growth and carrageenan yield of Kappaphycus alvarezii (doty) using seedlings produced from mass selection combined with tissue-cultured method
Authors: Febriyanti F , Aslan L O M , Iba W , Patadjai A B , Nurdin A R 
Published: May 2019

Abstract

Kappaphycus alvarezii (Doty), a red seaweed, is the most widely cultivated commodity in Indonesia. However, there is a decline in the cultivation production in the last three years. One way to overcome this problem is by improving the quality of seedlings through a development of farming. Efforts made from these are to develop farming techniques using different planting distances (PD) treatments. This study aimed to determine the effect of different PD on growth and carrageenan yield of K. alvarezii using seedlings produced from mass selection combined with tissue-cultured method. This research was conducted in Marobo coastal waters, Bone District, Muna Regency, SE Sulawesi, Indonesia. This study used a Completely Randomized Design (CRD) with three treatments based on different PD and five replications. The treatments were A: 10 cm PD, B: 15 cm PD, and C: 20 cm PD. The results show that the daily growth rate (DGR) of all treatments tended not to differ significantly. For 10 cm PD, the DGR tended to be higher and significantly different from the other two treatments, 15 cm and 20 cm. DGR averagely were 6.00±1.19%/day, 5.36±1.17%/day, and 5.27±1.62%/day for 10, 15, and 20 cm PD, respectively. The ratio of fresh weight (FW) and dry weight (DW) showed no significant differences among treatments. Ratio of FW:DW treatments of 10 cm, 15 cm, and 20 cm were 8.34:1, 9.58:1, and 8.98:1, respectively. For carrageenan yield, the treatment of 20 cm PD showed highest yield and it was significantly different from other treatments. Seaweed diseases and epiphytes found during this study were ice-ice and epiphytes (Sargassum polychystum).
The potency of green algae Chaetomorpha crassa Agardh as antioxidant agent from the coastal of Lhok Bubon, West Aceh
Authors: Gazali M , Zamani N P , Nurjanah  
Published: May 2019

Abstract
The coastal of Lhok Bubon at West Aceh district, Aceh Province is ideal habitat for macro algae, such as Chaetomorpha crassa. The objectives of this paper is to analyse the antioxidant activity of C. crassa; to determine their antioxidant activities correlation with total phenolic contents with different extract of marine macroalgae. The C. crassa samples were collected from the coastal area of Lhok Bubon, West Aceh District (latitude 4011’51.07”N; longitude 9601’42.33”E) Aceh Province, Indonesia in June 2017. Several assay by laboratory approach including chemical composition, extraction, phytochemical screening, DPPH, CUPRAC, FRAP assays and measurement of total phenolic content (TPC) was used. The result showed that the antioxidant activities of three extract of green algae C.crassa clearly indicated that they possess antioxidant activity in different method including DPPH, CUPRAC and FRAP. The correlation has indicated to correlate positively between the total phenol content and antioxidant activity with three methods of antioxidant activity.
Macroalgae on the Rocky Shore of the Southern Coast of Garut, West Java, Indonesia
Authors: Handayani T 
Published: May 2019

Abstract
The rocky shore of the southern coast of Garut, which is directly adjacent to the Indian Ocean, is strongly influenced by large energy waves. This condition has an impact on marine biota, especially macroalgae. Macroalgae that grow in these waters are macroalgae with high adaptation. The aims of this study were to determine the diversity, adaptation and potency of macroalgae on the rocky shore of the southern coast of Garut, West Java. Observation of macroalgae on the southern coast of Garut was conducted on May 2016. The study was conducted in nine locations, namely Bubujung, Karang Paranje, Santolo Indah, Karang Papak, Taman Manalusu, Cicalobak, Karang Wangi, Ranca Buaya 1 dan Ranca Buaya 2. Macroalgae samples were collected by the transect quadrate method. Parameters measured were species, standing crops biomass and substrates of macroalgae. A total of 44 species (21 genera) of macroalgae have been successfully collected from the southern coast of Garut, West Java. The adaptation of macroalgae on the large energy waves was by morphological changes. There are 13 of 21 genera of macroalgae that were collected which were the economically potential. Hormophysa, Padina, Sargassum and Turbinaria are alginate producers, whereas, Gelidiella and Gracilaria are agarose producers.
Environmental characteristics of mangrove forest as a reference for development of mud Crab Scylla serrata cultivation: A case study in Mojo Village, Ulujami, Pemalang
Authors: Hastuti Y P , Nirmala K , Suryani I , Prasetiyo S L 
Published: May 2019

Abstract
Mud carb is one of the fisheries commodities that has a high economical value. Production of mud carb still depends on the wild stock for the seed, while the production from aquaculture sector has not been well established yet. Aquasilviculture is one of the options to develop aquaculture sector for this commodity in mangrove forest. This research aims to analyze and evaluate environment parameters that affected mud crab production in mangrove forest ecosystem at Mojo village, Ulujami, Pemalang. This research was conducted based on the survey method. The result from physical-chemistry analysis of the water in mud crab habitat showed that the most affecting factor in mud crab production was salinity. The production of mud crab tends to be high in salinity level between 21-25 g/L. From this result, site selection with stable water salinity should be considered for the development of mud crab aquasilviculture.
Antioxidant and antifungal activities of collagen hydrolysates from skin of milkfish (Chanos chanos) hydrolyzed using various bacillus proteases
Authors: Kusumaningtyas E , Nurilmala M , Sibarani D 
Published: May 2019

Abstract
The skin of fish contains collagen which can be used as a material for food, pharmacy or cosmetics. Collagen from fish is a good source of bioactive peptides which are produce through enzymatic hydrolysis and may be beneficial for human health. This research was conducted to investigate antioxidant and antifungal activities of milkfish (Chanos chanos) collagen which was hydrolyzed by Bacillus licheniformis and Bacillus thuringiensis proteases. The collagen was isolated from milkfish skin and the hydrolysis was done using B. licheniformis protease and crude protease from B. thuringiensis at alkaline condition, 55°C for 30 and 60 minutes. The hydrolysates obtained were assayed for antioxidant activities using ABTS and DPPH methods and antifungal activities against Candida albicans. The results showed that generally, collagen hydrolyzed using B. thuringiensis protease both 30 and 60 minutes showed higher antioxidant activities than of that hydrolyzed using B. licheniformis protease. The hydrolysates also reduced C. albicans at least for 5 log cycles. The results indicated that collagen hydrolyzed using B. thuringiensis protease is very potent as antioxidant and antifungal against C. albicans in future pharmaceutical product.
Extraction and characterization of sodium alginates from Sargassum polycystum for manufacturing of tuna (Thunnus sp.) meatballs
Authors: Mokoginta M K , Indriati N , Dharmayanti N , Nurbani S Z 
Published: May 2019

AbstractSargassumsp. is a type of seaweed that produces a high enough amount of alginate. Alginate is a natural anionic polysaccharide derived from the cell wall of seaweed. Alginate has several advantages such as sodium tripoliphospat, commonly used as one of the ingredients for meatballs. The purpose of this study was to identify brown algae used as samples, find out how to extract alginate, find out the quality of alginate produced, and apply alginate to the manufacture of tuna meatballs. The results showed that the sample of seaweed used wasSargassum polycystum.Alginate extraction process was done using Le-Gluahec-Herter method with ten stages of process. The resulting sodium alginate had a moisture content of 9.61%, ash content of 22%, pH level of 9.4 and a viscosity of 50 Cp. The character of the results met the 1981 Food Chemical Codex (FCC) standard for the food industry. The application of alginate to the manufacture of tuna meatballs can improve the texture of the resulting meatballs. The results of quality testing meatballs with chemical parameters and microbiology met the quality standards of fish meatballs, SNI 7266-2014.
Application of refined carrageenan (RC) in the non-gluten crispy fish seaweed product processing
Authors: Murti T P , Purnomo A H , Dharmayanti N , Salampessy R B S 
Published: May 2019

Abstract
Crispy fish seaweed is an innovative fisheries product. The chance to meet such expectation is high because, in crispy fish seaweed, two ingredients namely wheat flour as gluten and almond powder as vegetable protein are replaced by more nutritious component namely cornstarch as non-gluten, catfish meat as fish protein and refined carrageenan as an additive. This research aimed to find the best formula of crispy fish seaweed, through a series of modifications to the ingredient composition, associated with their characteristics and the property of the resulting product using web diagram sensory method. The results showed that the best formula is: 200 g catfish meat, 10 g margarine, 1 egg, 20 g cornstarch, 1 g cake emulsifier, 1 g carrageenan, 0.5 g salt, and 6 g garlic. The formula gives a sensory value of appearance 9, smell 9, taste 9, texture 9, crunchy 9. Other characteristics of the formula are: moisture content of 1.5%, 3.7 % ash, 54% protein, 11.6% fat, 29.6% carbohydrate, TPC 1.8 x 102, negative yeast, and total energy of 329.1 Kcal. This research also recommends a packaging and label design which is in accordance with the Indonesia Law No 7 of year 1996.
Characteristics of green seaweed salt as alternative salt for hypertensive patients
Authors: Nufus C , Abdullah A , Nurjanah  
Published: May 2019

Abstract
Seaweeds from seashore contain high nutrient and various bioactive compounds that have various beneficial roles such as antioxidant property. Antioxidants can improve health and play a role in preventing the emergence of chronic diseases. This study was aimed to characterize green seaweed salt antioxidant activity. The study consisted of analysis of the mineral, and NaCl content, as well as determination of the antioxidant activity of green seaweed salt by CUPRAC and FRAP method. Different factors affecting salt quality and antioxidant activityincluding types of seaweed (Caulerpa lentillifera and Halimeda opuntia), temperatures (40°C, 55°C and 70°C) and extraction times (10 and 30 minutes) were evaluated. The results showed that the interaction between seaweed, time and temperature did not significantly affect the level of salt content, but significantly affected the Na:K ratio and NaCl content. Salt of C. lentillifera treated at 40°C for 30 minutes showed the highest antioxidant activity measured with FRAP method (137. 07 μmol trolox/g), while salt of H. opuntia treated at 40°C treatment for 30 minutes gave the highest antioxidant activity as measured by CUPRAC method (58.14 μmol trolox/g).
Model of Total Suspended Solid (TSS) distribution due to coastal mining in Western Coast of Kundur Island part of Berhala Strait
Authors: Nurjaya I W , Surbakati H , Natih N M N 
Published: May 2019

Abstract
The Berhala Strait is located between the islands of Sumatra and Kundur Island with natural resources on the seabed in the form of lead. One of the state-owned mining companies is PT Tambang Timah that has the authorization to exploit lead on the west coast of Kundur Island. Typical oceanographic conditions of Total Suspended Solid (TSS) range from 35-37 mg/L, naturally large rivers that flow into the east coast of Sumatra contributed to the increase of TSS. Indications of the process can be seen from the range of surface salinity in these waters ranging from 25.5-28.0 psu. Mining activities at coastal waters have the high potential to increase turbidity in the water column. The scenario in this TSS distribution model is based on 2D-hydrodynamics model. The increase of TSS within the seawater is caused by the operation of dredgers (6 units) and suction vessels (11 units). TSS Model is built for two different monsoons, the northeast and southeast monsoons. Lead/metal mining activities in the west coast waters of Kundur Island cause an increasing TSS concentration up to 90-100 mg/L. TSS distribution patterns from mining activities will be explained simultaneously in 2 different monsoons.
The spatial pattern relationship between SST and chlorophyll-a in Lemuru Bleeker, 1853 catches in Bali Strait, Indonesia
Authors: Pertami N D , Nurjaya I W , Damar A , Rahardjo M F 
Published: May 2019

Abstract

Lemuru Bleeker, 1853 is one of the most commonly found species in pelagic fisheries in Bali Strait. Data from the MODIS (Moderate Resolution Imaging Spectroradiometer) Terra satellite remote sensing, collected over a period of nine years from 2007 to 2015, were used to observe the spatial relationship between lemuru catches, Sea Surface Temperature (SST), and Chlorophyll-a (chl-a) concentration in the Bali Strait, Indonesia. The purpose of the study was to provide information about the spatial relationship between lemuru catches and both marine environmental parameters. Linear correlation analysis was carried out to determine the level of relationship with the restriction of the analysis of long-term and seasonal relationships. The results showed that during the year of observation, lemuru catches showed a declining trend. Lemuru catches showed a correlation with SST and chl-a concentration, as clearly indicated by high responses in DJF (December-January-February) and SON (September-October-November) months and unclear responses in MAM (March-April-Mei) months and JJA (June-July-August) months. In DJF, the spatial relationship between both marine environmental parameters and lemuru catches was high in the central part of the strait and in SON in the northwestern part of the strait.
Oxygen consumption of Mugil cephalus on several temperatures under brackish water conditions
Authors: Prakoso V A , Kim K T , Ryu J H , Min B H , Chang Y J 
Published: May 2019

AbstractTwo experimental groups were applied to measure oxygen consumption (OC) of young grey mulletsMugil cephalus(TL: 27.3±2.1 cm; TW: 187.9±45.8 g) at different temperatures (15, 20, and 25°C). Specimens of fish from seawater (30 psu) and freshwater (0 psu) were transferred in to brackish water (15 psu). Rate of fish OC after rearing in brackish water, showed significant difference (P<0.05) in that the grey mullets consumed 90.9, 116.8, and 172.1 mg O2/kg/h at temperatures of 15, 20, and 25°C, respectively. In fish from freshwater transferred to brackish water, grey mullets consumed 80.5, 114.4, and 161.5 mg O2/kg/h at 15, 20, and 25°C, respectively (P<0.05). The results showed that the highest oxygen consumption was found at 25°C compared to those at 15 and 20°C. However, the OC from both groups did not differ significantly (P>0.05). It can be concluded, that the OC rate of grey mullets on brackish water has the tendency to increase by temperature rise.
Combination effects human chorionic gonadotropin hormon and ovaprim distribution on the time latency, percentage of fertilization, hatching and survival of silver pompano (Trachinotus blochii) larve fish
Authors: Putra W K A , Mulah A 
Published: May 2019

Abstract
Human Chorionic Gonadotropin (hCG) hormone has roles in inducing maturation, ovulation and fish spawning. Ovaprim is a reproductive hormone product that can stimulate the ovulation process and fish spawning. HCG hormone in marineculture is widely used for spawning fish with doses at around 1000 IU and 2 times of injections. This research was aimed to determine the effect of the combination of hCG and ovaprim hormone on spawning and figure the best treatment in inducing the spawning process of silver pompano. The method used four treatments: hCG x hCG, hCG x ovaprim, ovaprim x hCG, and ovaprim x ovaprim with three replicates of fish spawning (1 pair of parent fish). The best result in accelerating spawning latency time is ovaprim x ovaprim treatment and best performance is hCG x ovaprim treatment.
Assessing the potential of coastal ecosystems to develop marine tourism in Pramuka Island, the Kepulauan Seribu National Park, Jakarta, Indonesia
Authors: Rudianto  , Putra H M P , Gemasabil M A , Merryanti D P 
Published: May 2019

Abstract
Coastal zones play an important role in providing various valuable ecosystem services. However, it is also sensitive and vulnerable to environmental changes due to human overpopulation and interactions between the land and ocean. Pramuka Island, located in the Kepulauan Seribu National Park, can potentially be developed as a marine ecotourism area. Some coastal ecosystems on the island can be promoted as tourist attractions. The existing coral reefs, sea turtles, and mangrove forests are potential resources that can be used as tourism objects. However, the different objectives of marine ecotourism and ecosystem conservation might raise management conflicts in relation to land use on the island. This research aims to propose a strategy for the management of Pramuka Island by synergizing the conservation interest with the development of marine ecotourism area. It employs the ecology based Management-Driver Pressure State Ecosystem Service and Response (EBM-DPSER). The results showed that government policy is in need to reduce conflicts between conservation and economic interests.
Stock estimation, species composition and biodiversity of target reef fishes in the lesser Sunda-Banda Seascape (East Flores, Alor and South West Maluku regencies), Indonesia
Authors: Setiawan F , Muhidin  , Agustina S , Pingkan J , Estradivari  , Tarigan S A , Muttaqin E , Wijanarko T , Khaifin  , Wisesa N , Retrawimbi A Y , Akhrari H , Sadewa S 
Published: May 2019

Abstract
This study aimed to fill the gap of knowledge on this group of fishes by estimating the natural stock, species composition and biodiversity of target reef fishes from three regencies; Alor, East Flores (Flores Timur) and Southwest Maluku (Maluku Barat Daya/MBD) using underwater visual census method. A total of 176 species belong to 19 families of economically important target fish were recorded from 62 survey sites. The highest estimated stock is located in Southwest Maluku Regency – based on both abundance and biomass values, followed by Alor Regency and the lowest in East Flores Regency. Target fish species from the family of Caesionidae has the highest composition both based on abundance (74%) and biomass (40%). The highest species composition of target fish is from Pterocaesio tile (57.65%) which is more than 50% of the overall target fish. Community structure of target fish in the three regencies is still in a relatively good condition based on diversity index (H’), evenness (E) and no domination (C) of a single species occurs inside the target fish community, with exception in Alor Regency where the community of target fish is indicated to be under pressure. Biodiversity index by Bray-Curtis analysis in each location shows that most of the sites have the similarity of 67.51%, suggesting that there is not much difference in terms of target fish community structure between the three regencies.
Catch abundance and fishing season from vulnerable and endangered Elasmobranch species in Tanjung Luar Fishery
Authors: Simeon B M , Fahmi  , Ichsan M , Muttaqin E , Oktaviyani S , Mardhiah U , Yulianto I 
Published: May 2019

AbstractThe elevated extinction risk of elasmobranchs is proportional with the increase of fishing mortality due to overfishing. Indonesia is the biggest shark fishing country in the world, with Tanjung Luar as a fishing village specifically targeting sharks. More than 30 species of sharks and rays that have been landed in Tanjung Luar recently received increased conservation status under the International Union for Conservation of Nature (IUCN). This research aimed to analyze the catch abundance of vulnerable or endangered elasmobranchs in Tanjung Luar and identify the fishing seasons. Four years of landing monitoring data from 2014-2017 were analyzed the fishing seasons and fisheries pattern of vulnerable or endangered elasmobranchs species in Tanjung Luar, calculated Catch per Unit Effort (CPUE) based on fishing power index and also fishing season index. The CPUE of sharks and rays from 2014 to 2017 fluctuated but was not significantly different. We found that shark fishing season occurred in six months and ray fishing season occurred only in four months. The results suggested that management measures should focus on gear control and spatio-temporal closures which could have significant benefits for the conservation of elasmobranch species, and may help to improve the overall sustainability of the fishery.
Development of observing dolphin population method using Small Vertical Take-off and Landing (VTOL) Unmanned Aerial System (AUV)
Authors: Subhan B , Arafat D , Santoso P , Pahlevi K , Prabowo B , Taufik M , Kusumo B S , Awak K , Khaerudi D , Ohoiulun H , Nasetion F I , Madduppa H 
Published: May 2019

AbstractIndonesia has a very high diversity of Cetacean, observation with good accuracy and precision must be a priority in every observation. Several methods have been developed to help calculate the marine mammal population, one of them by using Vertical Take-off and Landing (VTOL) Unmanned Aerial System (UAS). VTOL UAS is flown at a certain height to capture photos that contain the number of individuals in a pod, while also mapping the movements and recording their behaviors. The aim of this study was to determine the ideal angle to capture the photos. Several observation angles, 30°, 60°, and 90° were tested Observations were conducted in three sites in Indonesia (Sepa Island, Thousand Islands, Kepulauan Seribu National Park (TNKS); Liang Beach, Maluku Island; and Nai Island Kei Achipelago). The results showed that the angles greatly affected the number of objects in the photograph. For example, on the Island of Sepa, at the angle 30°, 60°, and 90°, the number of dolphins obtained were 3, 9 and 14, respectively. This study did not find any object rejection during observation with VTOL UAS. This study suggests that higher angle of photograph from VTOL UAS increases the accuracy of the observation of marine mammals.
Phytochemical profile of sea grass extract (Enhalus acoroides): A new marine source from Ekas Bay, East Lombok
Authors: Windyaswari A S , Purba J P , Nurrahmah S S , Ayu I P , Imran Z , Amin A A , Kurniawan F , Pratiwi N T M , Iswantari A 
Published: May 2019

AbstractThe coast of Southeast Indian and the tropical part of the Western Pacific is a habitat for the tropical sea grassEnhalus acoroides.In Ekas Bay, East Lombok,E. acoroidesgrows well in seashores, which is important to tropical marine ecosystem. Previous research reported the pharmacological activity ofE. acoroidessuch as antioxidant and antibacterial.E. acoroideswas tested to identify their secondary metabolites using phytochemical screening. The secondary metabolites were further characterized using thin layer chromatography with specific spray reagent. The phytochemical screening identified primary metabolites such as carbohydrates and proteins. On the other hand, the phytochemical screening also detected secondary metabolites such as alkaloid, phenolic, tannin, saponins, flavonoid, monoterpenes, and sesquiterpenes. The TLC profile with specific spray reagent confirmed the bioactive components such as phenolic, flavonoid, and terpenes in methanol extract ofE. acoroides.These results had a significant impact on profiling the marine plant as a new drug candidate. The information of secondary metabolites fromE. acoroideswill contribute to further research in determination of antioxidant, and antibacterial activity ofE. acoroides, as a promising marine drug candidate from Indonesia.