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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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PROSPECT OF CO-MANAGEMENT APPROACH IN MANAGING FISHERIES IN INDONESIA: Closer Look on Ikan Larangan (“Forbidden fish farming”) System in West Sumatra Indah Susilowati
JOURNAL OF COASTAL DEVELOPMENT Vol 5, No 1 (2001): Volume 5, Number 1, Year 2001
Publisher : JOURNAL OF COASTAL DEVELOPMENT

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Abstract

Ikan Larangan is a good example of the revived traditional community-based resource management in Indonesia. Purposive sampling was employed to withdraw 99 household samples in the study area. A research framework for institutional analysis as recommended by ICLARM (Pomeroy, 1993) was applied to this study. The results found that the average score of the 11 key-conditions for successful Co-management is close to 4. This indicates  that the prospects  for Co-management application of Ikan Larangan system is sound. Therefore, the salient approach of Co-management could be adopted to prescribe acceptable fisheries resource management in Indonesia.  
CARBON CONTENT OF PHYTOPLANKTON AND BACTERIA IN AN ESTUARINE SYSTEM Ma'ruf Kasim
JOURNAL OF COASTAL DEVELOPMENT Vol 14, No 2 (2011): Volume 14, Number. 2, Year 2011
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Abstract

Carbon content of diatom, dinoflagellates and bacteria were studied in order to estimate the living particulate organic carbon (LPOC) in an estuarine system. In the water column, diatoms were most abundant in spring than the other seasons. Dinoflagellates, cyanobacteria, and microzooplankton were present in all seasons, even low in cell numbers. The highest abundance of bacteria was at inner region of estuary and lowest at the mouth of Bekanbeusi River. The percentage of benthic diatom to total diatoms assemblages on sediment surface was higher than that in the water column. The POC in water column was composed of 13 – 24 % for diatoms and 0.6 – 1.6 % for dinoflagelate in carbon base throughout a year. The contribution of diatom carbon to total POC showed highest percentage in June (24 %) in the Akkeshi-ko estuary. In general, bacterial carbon was lower than that of diatoms carbon. On average, the contribution of bacterial carbon was 5-8 % to the total POC throughout a year.
THE EFFECT OF DIFFERENT C:N AND C:P RATIO OF MEDIA ON THE CONTENT OF POLYHYDROXYBUTYRATE IN BIOFLOC INOCULATED WITH BACTERIUM Bacillus cereus Supono .; Johannes Hutabarat; Slamet Budi Prayitno; YS Darmanto
JOURNAL OF COASTAL DEVELOPMENT Vol 16, No 2 (2013): VOLUME 16, NUMBER 2, YEAR 2013
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Abstract

Biofloc technology  has  added values in aquaculture management, both in water quality  management and feeding  management.  As an optional feed, biofloc is capable to enhance growth due to high protein content.  Bacteria, main component biofloc, can produce polyhydroxybutyrate (PHB) as reserve of energy and growth accelerator for fish. The aim of the research were to study the effect of the different C:N and C:P ratio of media on the content of polyhydroxybutyrate in biofloc and to determine optimum media to produce high polyhydroxybutyrate content in biofloc. The experiment was arranged in factorial  with completely randomized design  in  three replications.  Treatments were C:N ratio of 15, 20, 25 and C:P ratio of 75, 100, and 125. The result showed that C:N ratio and C:P ratio of media and their interaction  affect the content of polyhydroxybutyrate in biofloc.  C:N ratio of 20 and C:P ratio of 125 resulted in most polyhydroxybutyrate (29.25±7.376 mg g-1 biofloc dry weight). Ratio of  C:N  of media gave linier and quadratic responses and C:P ratio of media gave linier one. Optimum polyhydroxybutyrate production was obtained at C:N ratio of 20.9 and C:P ratio of  125 resulting in 29.66 mg  g-1 biofloc dry weight (2,97%)
STUDY ON THE EFFECT OF BIOAUGMENTATION ON THE REDUCTION OF AMMONIA IN THE SEDIMENT OF SEMI INTENSIVE TAMBAK Sarjito .; Adi Santoso; Ali Djunaedi
JOURNAL OF COASTAL DEVELOPMENT Vol 3, No 3 (2000): Volume 3 Number 3 Year 2000
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Abstract

The aboraratory scale experiment with split plot randomized design was perfomed to find out the effect bioaugmention on ammonia reduction in the sediment of semi intensive tambak. The msin treatment was bioaugmentaion with probiotic epicin concentration of 0; 0.5 ; 1.0 and 1.5 ppm; as sub-treatment was the salinity (20; 25 and 30 ppt), and as a group was day (0; 2; 4 and 6). The result indicated that bioaugmentation was able to reduce ammonia concentration in the sediment of semi intensive tambak. The treatments, especially dose and days had a significant affect on the reduction ammonia in the sediment (p<0.01) with exception to salinity (p>0.05). the capability of epicin as a bioaugmentation started on the day of 2. The most effective epicin dose to reduce ammonia in the sedimentof semi intensive tambak for culture of Tiger shrimp (Penaeus. Monodon F.) was 1.5 ppm.
THE 90Sr CONCENTRATION IN SURFACE SEAWATERS OF JAPAN SEA Muslim M.
JOURNAL OF COASTAL DEVELOPMENT Vol 9, No 3 (2006): Volume 9, Number 3, Year 2006
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Abstract

Distribution of 90Sr concentrations in surface seawater of Japan Sea has been studied from 30 June2000 to 18 July 2000. The concentrations of 90Sr varied according to the stations position and didn’tshow correlation with temperature and salinity. Distribution and level of 90Sr concentrations wereinfluenced by any factors such as distance from the sources of radionuclides and water current. Thestrong system of Tsushima Warm Current System and Kuroshio branch Current System in the Japan Seaincreased the leaching of 90Sr from the bottom sediment. The results of this study were much lower thanthose of previous study, presumably due to 90Sr characteristic will decrease with time and in theenvironment, it becomes incorporated with calcium. However, data in 1990 increased dramatically aseffect of Chernobyl nuclear power plant accident. 
AN INVESTIGATION ON THE NON SPESIFIC IMMUNE SYSTEM (MUCOSAL) OF TILAPIA (Oreochromis mosambicus) BASED ON HISTOCHEMICAL ANALYZES Ruswahyuni .; Pujiono Wahyu Purnomo; Cahyono Purbomartono
JOURNAL OF COASTAL DEVELOPMENT Vol 6, No 3 (2003): Volume 6, Number 3, Year 2003
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Abstract

Mucus is one of a non-specific defense mechanism, since this is the first element of aquatic organisms, which contact physically, chemically, or biologically with the environment.  The mucus self defense mechanism investigation was carried out on fresh  water fish tilapia (Oreochromis mosambicus).  Eight (8) types of lectine were used to examine residual carbohydrate-based protein from mucous component based on histological and histochemical observation method.  The review was directed as basic information for detail review about physiology adaptation aspects. The results showed that mucous in goblet cells from palatal, gills primary lamella, ecophagus and skin reacted with WGA (Wheat Germ Aglutinin) lectine.  In another part, mucous from the goblet cells in palatal and esophagus cells reacted with PNA (Peanut Aglutinin).  Based on these results, therefore, it can be concluded that mucous from goblet cells in esophagus contains residual of N-asetil glucosamine and/or similar acid β-galactose and α-N-acetyl galactomine.  Mucous from goblet cell in palatal contains residual of X-acetyl glucosamine and/or sialat acid and galactose.  While mucous in the gills lamella contains carbohydrate residual, namely N-acetyl glucosamine and/or sialat acid
LAND TENURE TRANSFORMATION IN A REMOTE ISLANDS: A case of a historical sociology prespective in Karimunjawa islands Yety Rochwulaningsih
JOURNAL OF COASTAL DEVELOPMENT Vol 15, No 1 (2011): Volume 15, Number 1, Year 2011
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Abstract

The interesting problem is the phenomenon of the transformation of land tenure of local residents to the outside residence massively. The research method used is a qualitative method by using data collection techniques of depth interviews, group interviews, participant observation, archival studies and documents and literature study. The results showed, that there has been a transformation of land tenure with the indicator of controlling the small islands in Karimunjawa Islands by outside residents. Of the 22 small islands with a total area of 358.9 ha of which are not inhabited by the population, remained 24 ha (6.69%) is controlled by local residents. The condition is caused by several factors, among others: (1) enactment Karimunjawa as a National Marine Park, and then as one of the leading tourism region of Central Java province, (2) the low level of education of local residents and the limited productive business opportunity in agricultural sector, (3) low levels of welfare and the weak bond of local residence to their land property. In this context the land then becomes a commodity more than the means of production, and a decline in social status of the local population, which is only switched on as a tenant or other livelihood as laborers or open a small business.
BIOMEDICAL POTENTIALS OF INTERTIDAL MARINE ORGANISMS FROM SINGAPORE Alfred Wai Ping Seng; Yan Zhi Ong; Wan Yen Lee; Peter Peng Foo Lee; Swee Cheng Lim; Koh Siang Tan; Lik Tong Tan
JOURNAL OF COASTAL DEVELOPMENT Vol 11, No 1 (2007): Volume 11, Number 1, Year 2007
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Abstract

As part of a pilot scale project on drug discovery from local marine organisms, 19 intertidal marine organisms from Singapore waters were collected and screened for the presence of biologically-active natural products.  These marine organisms were collected due to the ease of procurement and their relative abundance.  The organic extracts of these organisms were prepared and screened in the brine shrimp lethality (BSL), the cytotoxicity (MCF-7 and MOLT-4 cell lines), and the quorum sensing inhibition (QSI) assays.  Over 60% of the extracts gave significant biological activities in the BSL and the cytotoxicity (MOLT-4) assays when tested at 1000 ppm.  Three sponge extracts showed moderate antibacterial activity while a fraction obtained from the gross fractionation of the extract of the marine cyanobacterium, Lyngbya majuscula (PH2), exhibited anti quorum sensing activity in the QSI assay.  Lyngbya majuscula (PH2) also exhibited exceptional biological properties in the toxicity assays and its extract underwent further fractionation.  The 1H-NMR spectra of the bioactive chromatographic fractions derived from the microalgal extract indicated the presence of unique lipopeptides.  Data from this study provided rationale to initiate marine natural products research for drug discovery in Singapore.
THE ACUTE TOXICITY AND BONE-MERROW MICRONUCLEUS TESTS OF WATER EXTRACT FROM Avicennia marina FRUITS IN MICE Gao Xiu-mei; Han Wei-Dong; Yu Zen-ji
JOURNAL OF COASTAL DEVELOPMENT Vol 11, No 2 (2008): Volume 11, Number 2, Year 2008
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Abstract

The acute toxicity and mutagenesis of water extract from Avicennia marina fruits in mice were studiedwith the oral acute toxicity test according to Karber’s method and the bone-marrow micronucleus testfor mutagenic observation.The results showed the water extract from A. marina fruits presented theacuteper oral toxicity at LD50 >10.000 mg/kg; the bone-marrow nicrobucleus test indicated no mutageniceffects. Water extract from A.Marina fruits belong to non toxic compounds and has no mutagenic effectsunder the experimental conditions.
ANTIBACTERIAL ACTIVITY OF BACTERIAL SYMBIONT OF SOFT CORAL Lobophytum sp. AGAINST MDR BACTERIA Escherichia coli and Staphyllococcus aureus Paulus Damar Bayu Murti; Ocky Karna Radjasa
JOURNAL OF COASTAL DEVELOPMENT Vol 15, No 3 (2012): Volume 15, Number 3, Year 2012
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Abstract

The improper and uncontrolled uses of antibiotics againts pathogenic bacteria have resulted in the occurrence of Multi Drug Resistant (MDR) strains. There is now an urgency to find alternative antibiotics to combat the MDR strains especially Escherichia coli and Staphyllococcus aureus. Soft coral associated microorganisms are among the most interesting and promising marine natural product sources which produce polyketide and non ribosomal peptide products with various biological activities. In this study, marine bacteria were isolated from soft coral Lobophytum sp. collected from North Java Sea, and were screened for antibacterial activity against MDR strains. One out of 13 bacterial isolates were succesfully screened and were found to be active against both MDR strains, in which isolate LBTGA2 was active against resistant strains E. coli and against resistant S. aureus, respectively. The active isolate also amplified PKS (Polyketide Synthases) gene fragments necessary for the biosynthesis  of polyketides. The molecular identification based on partial 16S DNA nukleotide sequences indicates that the active isolate was closely related to Paenibacillus campinasensis.

Page 9 of 33 | Total Record : 328

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