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INDONESIA
JOURNAL OF COASTAL DEVELOPMENT
Published by Universitas Diponegoro
ISSN : 14105217     EISSN : -     DOI : -
Core Subject : Education,
Education
The Journal of Coastal Development (ISSN 1410-5217) is dedicated to all aspects of the increasingly important fields of coastal and marine development, including but not limited to biological, chemical, cultural, economic, social, medical, and physical development. The journal is jointly published by the Research Institute of Diponegoro University, Semarang, Indonesia and Indonesian Assosiation of Oceanologist (ISOI).
Arjuna Subject : -
Articles 328 Documents
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EFFECT OF SHELLFISH PROTEIN HYDROLYSATE (SPH) OF PEARL OYSTER MEAT ON THE STATE OF WATER AND DENATURATION OF MYOFIBRILS DURING DEHYDRATION PROCESS YS. Darmanto
JOURNAL OF COASTAL DEVELOPMENT Vol 2, No 2 (1999): Volume 2, Number 2, Year 1999
Publisher : JOURNAL OF COASTAL DEVELOPMENT

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Abstract

Pearl oyster meat, considered as the waste product of pearl industry, can be transformed to a useful product troght hydrolysis using protease enzyme. Protein hydrolysate of pearl oyster meat (SPH) was added to myofibrils (Mf) from lizard fish at certain ratios 2.5 – 12.5 g/100 gr Mf, and the changes in the state of water in myofibrils associated with dehydration were analyzed on the basis a water sorption isotherm curve and isosteric sorption heat. Involvement of these change denaturation of myofibrils was investigated with respect to Ca-ATPase activity. The addition of SPH resulted a decreased of water activity, an increase in the amount of monolayer or multilayer water and increase in the isosteric sorption heat, indicative the changes in the state of water in myofibrils. Furthermore, it wa found that SPH has suppressive effects on the denaturation of myofibrils during dehydration process.
APLICATION OF CHITOSAN FOR WATER QUALITY AND MACROBENTHIC FAUNA REHABILITATION IN VANNAMEI SHRIMPS (LITOPENAEUS VANNAMEI) PONDS, NORTH COAST OF SEMARANG, CENTRAL JAVA - INDONESIA R. Ruswahyuni; Agus Hartoko; Siti Rudiyanti
JOURNAL OF COASTAL DEVELOPMENT Vol 14, No 1 (2010): Volume 14, Number 1, Year 2010
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Abstract

Chitosan was widely known as natural food preservative such as noodle, meat ball, soy-tofu, wide variety offresh vegetables, fruits, meat and fish products, etc. Chitosan is a non-toxic substances, has no side effect ashuman food and was made from the shell of shrimps (Penaeidae), or swimming crabs (Portunus pelagicus).Chitosan is primarily a polysacharids, with β-1,4-2 amino-2-deoxy- β- D-glucopyranose. The biopolymerhas various noble functional characters such as anti-moth, anti-bacterial, coagulating agent for suspension,or heavy metals. This substance had been examined in the Lab of Natural Product, Diponegoro Universityand give a significant effect as bacteriostatic and bactericides for pathogenic bacteria such as Salmonela.sp;Pseudomonas, E.coli, B.subtilis, S.aureus, P.aeruginosa. In the study, liquid chitosan (200 ppm) was used asanti- harmful/ pathogenic bacteria in the brackish water pond so that can eliminate and control the bacterialor virus outbreak which so far is the main problems in the fish and shrimp culture activities. The use ofchitosan in the brackish water ponds was carried out at a semi-traditional ponds at Mangkang Kulon northSemarang coastal area. The experiment had significantly decrease the suspended solid or increase watertransparency, and the organic content ( by 5 %) of the bottom susbtrate. Increase the abundance ofimportant macro-benthic organism such as Polychaeta (7-fold) as important natural feed for the cultured fishand shrimp as well as increase the diversity index of total macro-benthic organism. Decrease the growth ofdisease vector benthic organism such as Cherithidae (Gastropods) by 24.5% . With the application ofchitosan had significantly prevent the outbreak of fish and shrimp disease and increase up to 80 % thesurvival rate of Vanamae, as well as tiger shrimp Penaeus monodon, and polkadot grouper (Cromileptes,sp)in another field application.
FECUNDITY AND THE BODY LENGTH OF RAG WORM, PERINEREIS CULTRIFERA (GRUBE 1840) FROM WEARLILIR BEACH WATERS, SMALL KEI ISLANDS, SOUTHEAST MALUKU DISTRICT Martha Rettob
JOURNAL OF COASTAL DEVELOPMENT Vol 16, No 1 (2012): Volume 16, Number 1, Year 2012
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Abstract

The knowledge of fecundity is an important aspect in the reproductive biology. Understanding the fecundity may allow the estimation of the number of rag worm individual and the determination of the number of rag worm in the questioned length class. The number of egg released represents a linking chain for one generation to next generation. The objective of research is to understand the range of fecundity, the range of body length, and the relationship of fecundity and body length of rag worm from Wearlilir waters, Moluccas, Indonesia. Achieving this objective, the observation  to 238 individuals of female rag worm which are captured at Wearlilir beach waters, Small Kei Islands, Southeast Maluku District for a year from June 2010 to May 2011. The fecundity is calculated with the mixed methods including volumetric, gravimetric, and arithmetic. The relationship between fecundity and body length of rag worm is following the square function, F = 144.6533PT1.2911. It can be transformed into a form of natural logarithm to produce the regression equation: ln (WF) = 4.97434 + 1.29109 * ln (WP). Result of linear regression analysis of variance indicates that there is a positive relationship between the fecundity and body length. This relationship is not so close because only 26 % fecundities are influenced by the length, while 74 % are influenced by other factors such as environment and food.
RAPID GROUPING OF MARINE PSYCHROTROPIC BACTERIA USING RESTRICTION FRAGMENT LENGTH POLYMORPHISM ANALYSIS OF PCR-AMPLIFIED 16S Rdna Ocky Karna Radjasa; Hidetoshi Urakawa; Kumiko Kita-Tsukamoto; Kouichi Ohwada
JOURNAL OF COASTAL DEVELOPMENT Vol 3, No 1 (1999): Volume 3 Number 1 Year 1999
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Abstract

Grouping of 78 psychrotrophic bacteria isolated from surface and deep-sea waters of the north-western Pacific Ocean was carried out by RFLP analysis on the basis of PCR-amplified 16S rDNA. Six RFLP patterns from surface water and eight RFLP patterns from deep-sea water were obtained by HhaI digestion. F pattern was only found in the surface water, while g, h, and I patterns exclusively exited in the deep-sea water. It was clearly shown that RFLP patterns of HhaI digestion were clear and distinguishable. This method is very simple and promises a rapid tool to group numerous isolated from natural environments.
THE SAPE STRAIT CEPHALOPOD RESOURCE AND ITS RESPONSE TO CLIMATE VARIABILITY Abdul Ghofar
JOURNAL OF COASTAL DEVELOPMENT Vol 8, No 1 (2004): Volume 8, Number 1, Year 2004
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Abstract

Of seven cephalopod species occurring in the Sape Strait, four species of squid constitute 90% of the annual cephalopod catches. The squid fishery is described, with emphasis on its fluctuating catches due to the combined effects of fishing and climate variability. Two most important fishing gears, ‘bagan perahu’ and ‘jala oras’ were used and standardized in catch and fishing effort analysis. The southern oscillation index (SOI) was used to represent the climate variability component.A model was then developed by means of incorporating the SOI, fishing effort and squid catch. Average annual values of these three components were used to construct the model. The model can be a useful tool for predicting the squid catches. Its use for forecasting and managing the fishery requires regular monitoring the catch, fishing effort and the SOI, preferably monthly. Research and management implications of this finding are discussed.
ECOLOGICAL ANALYSIS OF LIVING BENTHIC FORAMINIFERA IN SURFACE SEDIMENTS FROM THE SOUTH YATSUSHIRO KAI (SEA), SOUTHWEST KYUSHU, JAPAN Rifardi ,
JOURNAL OF COASTAL DEVELOPMENT Vol 5, No 3 (2002): Volume 5, Number 3, Year 2002
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Abstract

Bottom sediments were collected from 74 stations in the South Yatsushiro Kai (Sea), Japan using gravity corer in March 1996. Aimed at clarifying the relation between living benthic foraminiferal assemblage and environmental conditions, the Q-mode cluster analysis was carried out based on the predominant species of living benthic foraminifera recognized at the topmost one centimeter of 73 core samples. The results of this study show a trend of a large number of living benthic foraminifera is found in central part of the sea, on the other hand, a small number is seen in the northern and southern part. The study area is characterized by 469 species of living benthic foraminifera belonging to 114 genera. In relation to the five divisions of the marine environment based on oceanographic data, mechanical analysis data and sedimentation rates, the foraminiferal assemblages in the South Yatsushiro Kai were grouped into five populations. Population I occupies the areas near the straits under the influence of strong tidal and bottom currents. Population II occupies the areas surrounding the straits (Gannoshiri Seto and Kurono Seto) influenced by water masses flowing through the straits. Population III occupies the areas of rather stagnant water masses in the northern and southern parts of the sea. Population IV occupies the areas located in the northeastern and southeastern parts of the sea, and influenced by river waters. Population V occupies the nearshore area located in the northeastern, and influenced by the water masses which flow southward from the North Yatsushiro Kai.
THE EFFECT OF DIFFERENT SUBSTITUTION MEALS TO PHYSICAL AND CHEMICAL QUALITY OF INSTANT NOODLES Tri Winarni Agustini; Sri Haryati
JOURNAL OF COASTAL DEVELOPMENT Vol 11, No 1 (2007): Volume 11, Number 1, Year 2007
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Abstract

Fishery resources including scadjish (Restrelliger sp.), Small Shrimp (A cetes sp.), and Swimming crab (Portunus pelagicus) have a high nutritional value. It can be processed into meal through several procedures, so the product can be used as a substituted material to create a nutritious instant noodle. The objectives of this research were to study the #ct of jish meals as substituted material with diferent concentration to the physical and chemical quality of instant noodle produced and to find out what the optimal composition also whether there are any interaction of both factors. This research used factorial experimental design based on group random design, consisted of 2 factors: factor A (different fish meals): Scad fish meal (A I), Small shrimp meal (A2) and Swimming crab (Portunus pelagicus) meal (A3); and factor B (d@rent concentration) consisted of 5 level: 0%, 5%, I 0%, 15% and 20%. The analysis used was anabtsis of variance (ANOVA) followed by HSD 5%. The results of this research showed that there was signyicant eyct (P<0, 05) of dmrent fshmeals and concentration to the physical and chemical quality of the product. The type of meal has a signyicant @0t (P<0, 05) to the tensile strength. moisture, ash, protein, fat, and calcium content. Concentration treatment has a signficant eject (P<0,005) to the physical (brightness) and chemical quality, but there was no interaction of treatment to tensile strength, brightness, fat, and co/or of instant noodles (P>0, 005). The optimal compositions of protein rate (I 9, 77%) were achieved by 20% seadfishmeal; fat rate (19,93%) by 20% Small Shrimp meal, and calcium rote (42,525%) by 20% swimming crab meal. The favorite composition for instant noodle was achieved by I 0% swimming crab meal
QUALITY AND SAFETY OF SMOKED CATFISH (Aries talassinus) USING PADDY CHAFF AND COCONUT SHELL LIQUID SMOKE Fronthea Swastawati
JOURNAL OF COASTAL DEVELOPMENT Vol 12, No 1 (2008): Volume 12, Number 1, Year 2008
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Abstract

The purpose of this research was to determine quality of smoked catfish (Arius thalassinus) using paddy chaff and coconut shell liquid smoke. The fish were divided into two groups; then processed using paddy chaff and coconut shell liquid smoke. All of the smoked catfish samples were subjected to chemical, microbiological and organoleptic analyses. The result indicated that moisture content of the paddy chaff smoked cat fish was 48.72%; a little bit lower than coconut shell smoked cat fish that was 51.27%. TPC on paddy chaff treatment was 53.33 CFU/gr; higher than coconut shell treatment that was 46.67 CFU/gr. Organoleptic value of smoked cat fish treated by paddy chaff liquid smoke was 8.26 and coconut shell was 8.22. It was found that benzo(α)pyrene content in the paddy chaff liquid smoke was not detected and in the coconut shell liquid smoke was 11.351 ppm. Examination of t-test Independent sample to the TPC and moisture content showed P>0.05. 
INSTITUTIONAL CHANGE AT LOCAL LEVEL: HOW GILI INDAH VILLAGERS BUILD AN EFFECTIVE LOCAL GOVERNANCE OF CORAL REEF MANAGEMENT? Aceng Hidayat
JOURNAL OF COASTAL DEVELOPMENT Vol 8, No 2 (2005): Volume 8, Number 2, Year 2005
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Abstract

This paper aims at explaining the process of institutional change in coral reef management at the village level, and mainly seeks to answer two research questions: How do the processes of local institutional change take place? What are incentives that drive local communities to participate in them? Investigations in Gili Indah village, West Lombok Indonesia show that the process of the institutional change was initiated and done by villagers whose livelihood strongly depend on coral reef ecosystems. There are also strong indications that the changes were affected by the local and external economic conditions, which inevitably force resource users and economic actors to alter their economic strategies. The entering of industrial tourism and the emergence of tourism-related livelihoods in Gili Indah has driven economic actors to adapt to the altering environmental condition. Tourism Business Operators (TBO) and fishermen, two main actors, have played important roles in the change process. TBOs, whose livelihood depends on coral reef ecosystems, have a strong interest in protecting the ecosystems from degradation. The same goes for the fishermen, who claim themselves as main beneficiaries of coral reef ecosystems, and insist on maintaining the status quo as an attempt to protect their economic interest. Two different economic interests have been incentive for an evolution process of local institutions (awig-awig) to construct a governance structure that accommodates the varied economic interest. So far, this governance structure has been effectively forcing the actors to comply with the rules that drive themselves to use the coral reef ecosystems in a sustainable way.
AN ASSESSMENT OF HEAVY METAL CONCENTRATIONS IN THE SCLERACTINIAN CORAL TISSUES OF KARIMUNJAWA ARCHIPELAGO, INDONESIA Agus Sabdono
JOURNAL OF COASTAL DEVELOPMENT Vol 13, No 1 (2009): Volume 13, Number 1, Year 2009
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Abstract

Karimunjawa archipelago, marine national park, has been considered to be a relatively pristine area that have more than 90 species of corals. This study was conducted to detect any concentrations heavy metal levels in the  tissues of  eight  coral species. Based on life-forms, selected coral species are classified as massive (Porites lutea and Goniastrea  retiformis), submassive (Galaxea fascicularis and  Stylophora pistillata), foliaceous (Pavona decussata and Montipora foliosa) and branching/ramosa (Acropora aspera and Pocillopora damicornis). The concentration of heavy metals in the coral tissues  were assessed using Atomic Absorption Spectrophotometer (AAS) technique. The present experimental results demonstrated that metal in coral tissues were no significant difference between sites. Concentration levels of five heavy metals were found to be in the order of  Pb>Zn>Cr>Cd>Cu.  Relating heavy metal  concentrations to life-form corals, there were no significant differences of all the metals (except Pb), the highest concentration of Pb were found in foliaceous type of corals. The high level of Pb in foliaceous coral life-form (Pavona decussata and  Montipora foliosa), indicating that these coral species are usefull as  potential candidates of biomonitoring material for this metal.  However, the use of corals as biomonitors should be  considered carefully in biological  and local environmental factors.  

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