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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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ALTERNATIVE PRACTICE FROM COASTAL POND TO RECIRCULATION AQUACULTURE SYSTEM Ludi Parwadani Aji
JOURNAL OF COASTAL DEVELOPMENT Vol 15, No 2 (2012): Volume 15, Number 2, Year 2012
Publisher : JOURNAL OF COASTAL DEVELOPMENT

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Abstract

Coastal pond aquaculture used solar energy to produce oxygen via phytoplankton with their cultivation can be extensive such as the culture of low value cultured animals. Pond encompasses a larger culture area for juvenile or grow-out culture which is depending on their carrying capacity of the pond. There is no feeding and the amount of food available depends on pond management which can be increased by manuring.  As well as in hatcheries that require a very well environmental control, Recirculation aquaculture systems (RAS) tend to occupy a small area to culture high value species at high densities. The key parameter affecting RAS is the biological filtration system that removes metabolic and other waste products. This contains bacteria which break down the ammonia and nitrite in the water. Moreover, the food from RAS is supplied externally from cultured or formulated feed. Recirculation systems offer the advantage over pond aquaculture of being able to control the environment and water quality parameters to optimise fish health. For production of commodity food fish that are low in price, pond aquaculture is better than recirculation system due to their lower overheads and production cost as the environment acts as a natural water reconditioning system compared to money spent on water recirculation technology. In developing countries, pond will still remain dominant due to the ease of culture and the low initial investments. While, in developed countries, the growing concern about environmentally friendly discharges, the high labour costs and the need for controlling niche markets will result in the adoption of recirculation technology and the production of high value species at high densities. In comparison to pond culture, RAS offered more control and independent from the environment influence.
THE APPLICATION OF CALCIUM AND POTASSIUM FERTILIZER TO DECREASE SODIUM TOXICITY ON PLANT IN COASTAL AREA *) Karno .
JOURNAL OF COASTAL DEVELOPMENT Vol 1, No 2 (1998): Volume 1, Number 2, Year 1998
Publisher : JOURNAL OF COASTAL DEVELOPMENT

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Abstract

The research was carried out in April to July 1996 in the coastal area of Semarang in order to evaluate the effect of calcium and potassium fertilizer to plant growth and production of setaria grass and to observe sodium toxicity on the grass. The experiment was arranged in two factor split-plot design with three replication. The main factor was the application of CaCO3 which was divided into three levels : 0, 4 and 8 ton CaCO3/ha and the sub factor was the application of KCl which was divided into three levels: 0, 40 and 80 kg K2o/ha. Eight parameters were observed in this experiment : Total Dissolved Salts (TDS), Soil Electrical Conductivity (ECe), level of death plant, plant height, leaves numbers, fresh yield, dry yield and protein content. The result show that the application of CaCO3 and KCl created inverse effect to Total Dissolve Salts (TDS) and Soil Electrical Conductivity (ECe). On one hand, CaCO3 decrease TDS and ECe and on the other hand. KCl increase TDS and ECe. There were interactions between CaCO3 and Kcl in influencing TDS and ECe. However, CaCO3 and KCl brought about similar effect to plant performance. Both CaCO3 and KCl decreased the level of died plant and increased plant height, leaves number, fresh yield, dry yield an protein content of setaria grass. CaCO3 and KCl did not interact each other in increasing plant performance. The application of CaCO3 increased plant height significantly at week 3, week 4 and week 5, and increased dry yield and protein content significantly, but not increase fresh yield significantly. The application of KCl increased dry yield and protein content significantly, but did not increased plant height, leaves number and fresh significantly. t-font�kiy��� У so-bidi-font-family: Symbol'>·      property-rights;  user-pays;regulation;education and code of conduct;permanent mooring;socio-economic research. It is also clear that no one management strategy will ensure that Indonesia’s significant  coral reef and other marine are conserved and used in sustainable fashion. Rather, a judicious    blend of the use of economic instruments and concepts, regulation, education, and “site-hardening” (e.g. by use mooring) is required to ensure that marine tourism is sustainable.
SETTLEMENT BEHAVIOUR AND SIZE OF MUSSEL LARVAE FROM THE FAMILY MYTILIDAE (Brachidontes erosus (Lamarck, 1819), Brachidontes rostratus (Dunker, 1857), Trichomya hirsutus (Lamarck, 1819), and Mytilus galloprovincialis Lamarck, 1819 Medy Ompi
JOURNAL OF COASTAL DEVELOPMENT Vol 13, No 3 (2010): Volume 13, Number 3, Year 2010
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Abstract

This study examines the settlement behaviour of the mytilids Mytilus galloprovincialis, Brachidontes erosus, Brachidontes rostratus, and Trichomya hirsutus larvae in response to different substrata: which were byssus threads of these four mussel species, coconut thread, and Polyvinyl chloride (PVC).  The number of settlers on different substrata in the laboratory was analysed separately for each species using One-way ANOVA.  A significant effect of substratum was found for all species tested.  Larvae of T. hirsutus and B. erosus settled preferentially on conspecific byssus threads, while B. rostratus and M. galloprovincialis showed a similar trend.  Settlement data from the field was analysed using two-way ANOVA with species and substrata as the main effect. Settlement was effected by species, but not by substrata.  However, the overall settlement pattern indicated a conspecific preference with the lowest number of settlers on PVC substratum.  Small size of settlement larvae of B erosus comparing to settlement larvae of T hirsutus, M galloprovinciallis, and B rostratus was observed.     
EFFECT OF CHITIN AND CHITOSAN DERIVED FROM CRAB SHELL AND SHRIMP HEAD ON THE UNFROZEN WATER AND DENATURATION OF LIZARD FISH MYOFIBRILS DURING FROZEN STORAGE Y S Dharmanto
JOURNAL OF COASTAL DEVELOPMENT Vol 6, No 2 (2003): Volume 6, Volume 2, Year 2003
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Abstract

The shrimp head and crab shell are rich in chitin and chitosan that can be used as the raw material in various industries. Chitin is composed of 2-acetamido-2-deoxy-D-glucose, whereas chitosan is composed primarily of glucosamine, 2-amino-2-deoxy-D-glucose. Chitin and chitosan can commercially be manufactured in the forms of powder, flake, chitinazed, nitrate chitin and 77-red chitin. Chitin and chitosan is of benefit to neutralize toxicity of polluted water, a pivotal role for strengthening the emulsion system, binding water and fat, advancing the loaf volume of bread, and for binding food drying, purification of apple, beer, wine extracts, etc. To find out the effect of chitin and chitosan of shrimp head and crab shell on the unfrozen water and denaturation of lizard fish myofibrils during frozen storage, chitin and chitosan were added at certain ratios 0; 2.5 – 7.5 g / 100 g, with non chitin and chitosan treatments as control. Changes of unfrozen water in myofibrils during frozen storage were studied based on the relationship between water content and transition heat, which was determined by Differential Scanning Calorimeter (DSC), whereas Ca-ATPase activity was analyzed using formula introduced by Katoh et. al., (1977). During frozen storage, chitin and chitosan treatments influenced the amount of unfrozen water and Ca-ATPase activity. Without chitin and chitosan the amount of unfrozen water in myofibrils decreased rapidly, whereas the decrease was moderate when myofibrils received chitin and chitosan. The change in Ca-ATPase activity exhibited a similar tendency to those of the unfrozen water indicating a close correlation between Ca-ATPase activity and amount of unfrozen water.  
THE PROBLEMS OF COASTAL AND MARINE RESOURCES MANAGEMENT IN INDONESIA Supriharyono .
JOURNAL OF COASTAL DEVELOPMENT Vol 4, No 1 (2000): Volume 4, Number 1, 2000
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Abstract

It is a well known fact that parts of the coastal marine ecosystem, such as estuaries, mangrove, sea-weed beds, and coral reefs, are very productive . The primary production may go up to 10,000 g C/m2{vear in these systems. It t`s very high compared with the primary production in open seas that is only 50-100 g C/m2/year. As a result the rate of the secondary production, such as fish, and other marine faunas, which live in these system, are also high. Anthropogenic activities carried out in order to use the resources in coastal areas, such as destructive fishing practices, coral mining, mangrove cutting, may ayiectfish Hncluding other marine faunas) production. Considering the destructive nature of some human activities in the coastal areas, the Indonesian government has established several laws and regulations for marine environmental protection. These included the establishment of 37 marine conservation areas which cover an area of about 2,800,000 Ha. It is expected that these areas will be expanded to 30,000,000 Ha by the year 2000, but there is no assurance whether this expansion can be reached or not. In the meantime a strategt to [ind alternatives to destructive practices in coastal and marine ecosystems is being prepared.
AN APPLICATION OF FISHERIES CO-MANAGEMENT APPROACH OF IKAN LARANGAN IN WEST SUMATRA, INDONESIA: The Features And Attributes Indah Susilowati
JOURNAL OF COASTAL DEVELOPMENT Vol 4, No 2 (2001): Volume 4, Number 2, Year 2001
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Abstract

“Ikan larangan” is a kind of fisheries management system that applied closing seasons of fishing in a portion of river or canal for certain period. There are three types of ikan larangan’s management: (1) traditional; (2) semi-traditional; and (3) modern. The total sample of 99 household respondents were withdrawn from the three sites of ikan larangan, i.e.: (1) ikan larangan Lubuk landur (traditional, n=19); (2) ikan larangan Kayu Tanam (semi-traditional, n=20); (3) ikan larangan Pasir Lawas (modern, n=60). The study emphasizes more on the modern of ikan larangan system. This is in attempt to find out the possibility of implementing this system to other places in Indonesia as an alternative of resource management system and for food security purpose as well as for enhancing the fisheries sector and the regional developments. Furthermore, the co-management application of ikan larangan could encourage the implementation of decentralization policy in Indonesia since the system may able to help in empowering people and the available resources to generate the local income. Moreover, the salient characteristics of co-management system for ikan larangan could be adopted to prescribe the acceptable resource management for the similar circumstances of the resource in some places in Indonesia.
TOURISM DEVELOPMENT IN THE COASTAL ISLAND ° OF GUIMARAS PHILIPPINES Suzanna Ratih Sari
JOURNAL OF COASTAL DEVELOPMENT Vol 4, No 3 (2001): Volume 4, Number 3, Year 2001
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Abstract

Tourism is a multi-discqalinary activitjy that touches almost every aspect of human endeavor. In view of its international character and its role in the development of the national economy, an attempt has been made to study the economic, socio-cultural and environmental impact of tourism on regional development in developing countries such as the Philippines. Tourism development is an economic and industrial activity involving many individuals, firms, corporations, organizations and associations. It is economically important as it provides a source of income and employment, brings in infra-structural improvements and helps in regional development. (Negi, 1990) For a province such as Guimaras Island tourism development is a powerful tool needed in ‘ solving sonic of the provincial problems. Furthermore, in some cases, it contributes to the national economy by developing and revitalizing the economic condition more quickhi than other industries. Many sectors ofthe community benefitjrom the injection of additional wealth that tourism brings
ANALYSIS OF FAMILY PROSPERITY AND INCOME CONTRIBUTION OF FISHERMAN’S WIVES AT CILACAP VILLAGE, CILACAP Azis Nur Bambang
JOURNAL OF COASTAL DEVELOPMENT Vol 9, No 1 (2005): Volume 9, Number 1, Year 2005
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Abstract

The objective of this research is to know level of family prosperity and income of fisherman’s wives andto know amount of income contribution of fisherman’s wives in Cilacap. Case study method was used inthis research. Result of research indicates that level of family prosperity of labor fisherman’s wives withERF = 1,26 is lower compared to level of family prosperity of entrepreneur fisherman’s wives (ERF =1,47). Income of labor fisherman’s wives Rp.292 000 is lower compared to income of entrepreneurfisherman’s wives (Rp 742 500). Income contribution of labor fisherman’s wives is 39,22 %, whileincome contribution of entrepreneur fisherman’s wives is 46,05 %. 
EFFECTS OF SAND MINING ON CORAL REEFS IN RIAU ISLANDS Supriharyono .
JOURNAL OF COASTAL DEVELOPMENT Vol 7, No 2 (2004): Volume 7, Number 2, Year 2004
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Abstract

Effects of sand mining on coral reefs have been carried out in Riau Islands, from September to November 2003. The study used was explorative method, while the data were collected both primary through field observation and interview and secondary data obtained from related institutions. The results showed that the reefs were in moderate to good conditions. Majority of the moderate conditions were found in the deeper water (10 m depth). Similarly, the percentage of living coral cover was also lower in the deeper water compared to the shallow one (3 m). It is believed that this may due to light transparency. However, it is too early to say that the lower of light transparency in the depth 10 m is due to sand mining activities. In addition, the fishing capture production was significantly decreased after sand mining becoming intensive in study sites during autonomy era.
THE ROLE OF SEAWEEDS Sargassum polycistum AND Gracilaria verrucosa ON GROWTH PERFORMANCE AND BIOMASS PRODUCTION OF TIGER SHRIMP ( Penaeous Monodon Fabr) Munifatul Izzati
JOURNAL OF COASTAL DEVELOPMENT Vol 14, No 3 (2011): Volume 14, Number 3, Year 2011
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Abstract

Due to deterioration of shrimp farming environment, it is necessary to develop the technique of shrimp culture that environmentally friendly and sustainable. One of important technique to fulfill the need is integrated model with seaweeds. We investigated two different integrated model using different seaweeds species, Sargassum plagyophyllum and Gracilaria verrucosa. These two species seaweeds were cultured in tiger shrimp pond at density of 2 kg/m3. Density of tiger shrimp was 50 juvenile /m3. These experiments were conducted in 28 days. The shrimp productivity was evaluated from the rate of shrimp survival, final individual size, growth and biomass production. Seaweeds biomass production was also evaluated. Collected data was analyzed using one way ANOVA, continued by LSD test. Results indicated that the presence of both seaweeds tend to increase shrimp productivity, it was indicated by higher survival, individual size, growth rate and shrimp biomass production. The role of Gracilaria in increasing shrimp productivity was higher compared to Sargassum. It is recommended to use Gracilaria in integrated model with tiger shrimp.

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