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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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ETHICAL PERSPECTIVES OF SUSTAINABLE USE OF REEF’S INVERTEBRATES AS A SOURCE OF MARINE NATURAL PRODUCTS S Sukarmi; Agus Sabdono
JOURNAL OF COASTAL DEVELOPMENT Vol 11, No 3 (2008): Volume 11, Number 1, Year 2008
Publisher : JOURNAL OF COASTAL DEVELOPMENT

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Abstract

Among marine animals, reef’s invertebrates are the most prolific producers of secondary metabolites and have become sources of great interest to natural product chemistry, since they provide a large proportion of bioactive compounds with different biological activities. Supply’s problem has hampered the investigation of secondary metabolites from marine invertebrates, and  many highly active compounds produced contribute to<10-6 % of the body-wet weight. Providing sufficient amounts of these biologically active substances, hence, may be a difficult task. In addition, it has often proven extremely difficult, and some cases impossible, to provide from invertebrates sufficient amounts of many of these substances due to limited amounts found in the producing organism, or to limited quantity of the organism itself, or to geographic, seasonal or sexual variations in the amounts and in the nature of produced secondary metabolites. There has an increasing concerns regarding the collecting reef’s organisms for the discovery and development of pharmaceuticals since it has been perceived variously as sustaining and threatening conservation. There is an urgent need to take into account the bioethical considerations in anticipating the potential consequences of these activities and proposing management options for sustainable use of reef’s invertebrates as the sources of bioactive compounds.
CORROSION RATE OF COPPER AND IRON IN SEAWATER BASED ON RESISTANCE MEASUREMENT W.H. Rahmanto; , Gunawan; Rahmad Nuryanto
JOURNAL OF COASTAL DEVELOPMENT Vol 5, No 2 (2002): Volume 5, Number 2, Year 2002
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Abstract

Copper and iron metal wire corrosion in artificial sea water have been investigated in three corrosion systems, in the (i) closed bath, (ii) opened or air exposed bath, and (iii) aerated bath. The aim of our investigation is to determine the effect of oxygen contained in the air to the metals’ corrosivity.  Artificial sea water was  prepared by dissolving 173.59 g sodium chloride and 4.91 g potassium chloride in 7.00 kg of water at 230C.The corrosion experiment was carried out under the constant temperature of 32 0C. Decrease of metal masses during corrosion was monitored by measuring the metal resistance change. Our experiment provided the corrosion rate in g.cm-2.s-1 as 4.01 x 10-7 (in closed bath), 4.01 x 10-6 (in opened bath) and 9.43 x 10-6 (in aerated bath) of copper metal, and 2.12 x 10-6 (in closed bath), 5.99 x 10-6 (in opened bath), and 1.07 x 10-5 (in aerated bath) of iron metal. Experimental results show that air oxygen give strong effect on the corrosion of copper and iron metal
THE INDONESIAN CORAL REEF REHABILITATION AND MANAGEMENT PROGRAM: LESSONS LEARNED IN COMMUNITY-BASED REEF MANAGEMENT ` AT SENAYANG AND LINGGA ISLANDS, RIAU Dirhamsyah .
JOURNAL OF COASTAL DEVELOPMENT Vol 9, No 2 (2006): Volume 9, Number 2, Year 2006
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Abstract

The Coral Red Rehabilitation and Management Program (COREMAP) is a I5-year program of the Government of Indonesia. It has been working at several sites in Indonesia since /998 to achieve sustainable use of coral reefs through the delegation of management authority to local communities. The establishment of epective models for participatory and community-based management is the core of this program. The model for community-based management includes community participation. community capacity building, promotion of alternative income generation, establishment of coral red management plans, community marine sanctuaries and community red watcher programs. This paper describes the experiences and lessons learned in Phase I of the COREMAP Project in implementing community—based red management at Senavang and Lingga Islands, Riau Province. It is argued that the involvement ofthe community in the planning and implementation process of coral reef management will improve the management and conservation of coral req' ecosystems. It is hoped that the Indonesian experience will contribute to the comparative literature on coral req' management.
DEVELOPMENT OF OIL BIOREMEDIATION RESEARCH ON MARINE ENVIRONMENT IN INDONESIA Yeti Darmayati
JOURNAL OF COASTAL DEVELOPMENT Vol 12, No 3 (2009): Volume 12, Number 3, Year 2009
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Abstract

Indonesian marine environment is one of the most vulnerable waters from oil pollution in the world. Therefore, a hard effort to minimize oil pollution impact is really needed. Physical and chemical approaches have been already popular to combat oil pollution; one of the other promising techniques is bioremediation, the use of microorganism to detoxify or remove pollutants. Research and application of bioremediation on soil environment has been started in Indonesia; however, in marine environment it is still need to be studied due to more complicated aspects and also difficulties. Development of bioremediation study on marine environment in Indonesia has been started from enumeration, isolation and identification of oil degrading (hydrocarbonoclastic) bacteria. Researches on taxonomic and functional genes have been conducted. Biostimulation and bioaugmentation studies are ongoing research which conducted from laboratory scale and microcosm scale to field experiment (sand column). To have a manual or guidelines on conducting bioremediation in marine environment is not easy and still many steps have to be done. Several aspects concerning with this study such as the diversity of polluted sites characteristic, oils characteristic, oceanographic conditions and engineering has to be studied comprehensively. 
EVALUATION OF QUALITY DETERIORATION OF MARINE SHELLFISH DURING STORAGE AT DIFFERENT TEMPERATURES Tri Winarni Agustini
JOURNAL OF COASTAL DEVELOPMENT Vol 7, No 3 (2004): Volume 7, Number 3, Year 2004
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Abstract

Study on evaluation of fish freshness has been carried out using several parameters such as chemical, sensory, and physical parameter in which each has its own merits and demerits. Oxidation-reduction potential and K value are a physico-chemical and chemical methods available in assessing fish freshness which are both considered as objective methods. This study aimed to find out the effect of different temperatures storage on ORP and K value change of marine shellfish. Material used in the study were black tiger shrimp (Penaeus monodon) and scallop (Amusium sp.). The experiment was laboratory experimental method. The samples were stored in room temperature (35±1oC) and refrigerated temperature (11±1oC). Analyses performed were ORP value (pH/ORP meter) and K-value (Ion-exchange chromatography method) and analysis were conducted in 4 replication. This study was carried out at laboratory of Fisheries Processing Technology, UNDIP Semarang and laboratory of PAU, UGM Yogyakarta. The ORP of black tiger shrimp and scallop stored at refrigerated temperature initially were 0.23 Volts and 0.32 Volts. There were a maximum ORP of 0.3 Volts (shrimp) and 0.35 Volts (scallop) in the 2nd day of storage. These ORP then decreased to – 0.12 Volts and 0.01 Volts for shrimp and scallop, respectively. At room temperature storage,  the ORP ranging from 0.26 to 0.33 Volts. This value consecutively decreased to – 0.17 Volts (shrimp) and – 0.16 Volts (scallop) after 32 hours storage. Initial K value of black tiger shrimp and scallop stored at room temperature were 1.32% and 1.51%, respectively and after 32 hours storage there were an increase in K value to 6.14% and 5.43%. Increase in K value was slower for samples stored at refrigerated temperature than that of room temperature.
DOES MARINE FISHING CAPTURE DECLINE IN NORTH COAST OF CENTRAL JAVA? Supriharyono Supriharyono
JOURNAL OF COASTAL DEVELOPMENT Vol 7, No 1 (2003): Volume 7, Number 1, Year 2003
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Abstract

Marine fisheries productivity has been studied in North coast of central Java. Study was carried out at four coastal regions, i.e Brebes, Pemalang, Jepara , and Rembang from July to October 2002. The primary and secondary data were collected covering the existing marine habitats, namely mangrove, sea grass meadows, coral reefs, and fishing and marine culture production. The result showed that most marine local habitats in the North coast of central Java, mainly in the studied sites were worse. Mangrove cover, from the total of 3,442.19 ha was only 979,8 (8,46%) in good condition, while remaining areas of 2,462,39 ha (71,54%) were in critical or bad condition. Similar trends were observed in the sea grass and coral reef habitats showing the decrease of living coral cover resulted in the decline in fishing capture production.
STUDY ON THE QUALITY AND OMEGA-3 FATTY ACIDS COMPOSITION OF SUPER DRIED CATFISH (Arius talassinus) Fronthea Swastawati
JOURNAL OF COASTAL DEVELOPMENT Vol 6, No 2 (2003): Volume 6, Volume 2, Year 2003
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Abstract

Study on the quality and omega-3 fatty acids composition of dried fish was conducted in order to observe the sensory value, proximate composition, and omega-3 fatty acid content of catfish dried by traditional and mechanical dryer. Experimental laboratories method using t-test resulted that both methods of drying fish were available to be implemented. The evaluation of data of appearance using t-test showed that taccount =3.631>ttab(0.05)(6)=2.447. This indicated that the appearance between two products were significantly  different. But in general there are no significant differences in odor, taste and texture of products.  The product was accepted organoleptically by the panellists with the values of 7.64-8.29. Protein composition of catfish was relatively high : 17.47% and lipid content of 0.73. DHA and EPA values of dried fish using mechanical dryer were 13.8% and 5.1%; whereas traditional dryer were percentage of 12.8% and 7.7%.
COASTAL ZONE MANAGEMENT IN INDONESIA : ISSUE AND APPROCHES Rokhmin Dahuri
JOURNAL OF COASTAL DEVELOPMENT Vol 1, No 2 (1998): Volume 1, Number 2, Year 1998
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Abstract

The coastal zones and their embodied natural resources are a frontier area that offers Indonesian nation opportunities and challenges to enhance its economic development on a sustainable basis. Being the largest Archipelago State in the world, Indonesia is endowed with abundant and diverse coastal and marine resources. As natural resources on land are becoming scarce or difficult to develop, marine and coastal resources will be an importance resource for sustaining Indonesian economic development in the twenty first centuries. Furthermore, the shift of the global economic center from Atlantic to Pacific Rim will inevitably increase the use of Indonesia’s marine and coastal areas for various development activities, especially sea communication and transportation, fisheries and aquaculture, tourism, mining and energy, maritime industry, and coastal and offshore engineering. However, experience in developing marine and coastal resources during First Long-term Development Period (1969-1994) have resulted not only in economic successes but also caused environmental degradation at a level which threatens the sustainable capacity of marine and coastal ecosystems to support further Indonesia’s economic development. Case like water pollution in highly populated or industrializes areas, overfishing of some fish stock, physical destruction of important coastal ecosystems (especially mangrove and coral reef), and coastal resource use conflict among coastal users indicate such a threatened condition. In addition, the majority of coastal communities are still lingering on absolute poverty. The paper critically identifies and analyses the root of the problems, which threatens the sustainable capacity of coastal ecosystems, and suggests an alternative development paradigm provides a framework for reorientation of Indonesia’s development policies and programs with respect to coastal and marine resources to achieve sustainable development for the utmost benefits of all Indonesian people.
HOUSEHOLD PROTECTION AGAINST DENGUE HEMORRHAGIC FEVER EPIDEMICS IN COASTAL CITY OF MAKASSAR Halmer Halide
JOURNAL OF COASTAL DEVELOPMENT Vol 13, No 3 (2010): Volume 13, Number 3, Year 2010
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Abstract

The skill of two simple models for predicting Dengue Hemorrhagic Fever (DHF) epidemics in a coastal city of Makassar was evaluated. One model uses persistence while the other uses past dengue cases and climate factors to make predictions. It was shown that the skill of the models was not significantly different. The value of the prediction was also investigated when it was used for deciding whether or not to protect a household from epidemics. When the model predicts that a DHF epidemic was forthcoming, a highly effective but low-cost DEET product was applied to the whole family as protection against mosquito bites. It was found that the cost of implementing such model prediction was much cheaper than other options such as: (i) using protection without any forecast and, (ii) neglecting any protection. It was also found that the value of a forecast depends on forecast skill and the cost-to-loss ratio.    
THE PERFORMANCE OF LUPIN MEAL AS AN ALTERNATIVE TO FISHMEAL IN DIET OF JUVENILE PENAEUS MONODON UNDER POND CONDITIONS Agung Sudaryono
JOURNAL OF COASTAL DEVELOPMENT Vol 6, No 2 (2003): Volume 6, Volume 2, Year 2003
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Abstract

The present study was designed to investigate the performance of isonitrogenous practical diets containing different inclusion levels of dehulled lupin (Lupinus angustifolius) meal as an alternative for fish meal for juvenile Penaeus monodon (4.32 ± 0.57 g) reared in pens under pond conditions with a natural productivity. Five isonitrogenous experimental diets were formulated to contain 0, 10, 20, and 30% dehulled lupin (L. angustifolius) meal with a corresponding reduction in fish meal from 24 (0% replacement; D1 as control) to 18 (25% replacement; D2), 12 (50% replacement; D3) and 6% (75% replacement; D4) and a diet containing dehulled lupin (L. albus) meal formulated to be similar to D2 which was designated as D5 and used for comparison. Each treatment was tested in quadruplicate and arranged in a completely randomised design. In addition, a group of shrimp put in four pond pens was not fed, to estimate the contribution of pond natural production to shrimp growth. There was no significant effect (P>0.05) of different dietary treatments on mean individual weight gain (13.3-14.2 g), survival rate (88-93%) of shrimp, and feed conversion ratio (1.45-1.55). The presence of natural food in the pond was important to boost shrimp production and approximately 36-67% of growth of shrimp in the present study was supplied by natural food.  Under such conditions, dehulled lupin (L. angustifolius) meal can replace up to 75% of protein from fish meal at inclusion levels of up to 30% in isonitrogenous practical diets without any adverse effects on growth, survival, and feed conversion ratio of juvenile P. monodon. Although this study was performed using a pond pen model on a small scale, the results obtained have provided useful information on the potential of lupin based meals in a commercial semi-intensive shrimp farming.

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