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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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THE POTENTIAL USED OF EPIPELIC DIATOM AS BIOINDICATOR OF WATER QUALITY: part I Tri Retnaningsih Soeprobowati; Hendarko Soegondo; Boedi Hendarto; Indro Sumantri; Budiyanto Toha
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

Biomonitoring methods for water quality, such as coli form content, diversity and evenness indices of macrobenthic invertebrates and plankton which are recently used, actually have some weaknesses. Escherichia coli only indicated pollution caused by faecal coli; macrobenthic invertebrates have not ability to live in all substratum, whereas the population of phytoplankton are affected by current as they are floating in the surface water. Therefore, the method which are more effective have to be developed. Epipelic diatoms have potential characteristics as bioindicator of water quality because the have ability to accumulate physic-chemical component of aquatic ecosystem and respond it immediately. This research is conducted in order to find out a new alternative of biomonitoring method ( species indices of diatoms ) which are more significant, effective and efficient by determine water quality map absed on diatoms and determines the species which responsible to the grouping. Sediments samples were taken from 7 rivers in the Northern Coast of Central Java (called Pantura): Karanggeneng-Rembang, Juana-Pati, Banjir Kanal Timur-Semarang, Banjir Kanal Barat-Semarang, Banger-Pekalongan, Pekalonghan-Pekalongan, and Gung-Tegal. Temperature, dissolved oxygen, salinity, pH and turbidity were measure in-situ.  Analysis of water and sediment samples include total nitrogen, total phosphorus,silica, heavy metals of Cu, Cr, and Cd. Extraction, preparation and identification of diatoms followed Wetzel & Likens (1991) and Round (1993). The`data were then analysed using Primer package progamme version 4.0 which is produced by Plymouth Marine Laboratory, United Kingdom (Carr, 1997). The Multi Dimentional Scaling (MDS) ordination was done to make grouping and was followed by SIMPER analysis to determine responsible species (Clarke & Warwick, 1994). Based on diatom community, 7 river Pantura could be divided into 3 groups: Group I, consisted of Gung and Pekalongan Rivers, Group II of Banjir Kanal Timur, Barat and Banger Rivers and Group III Karenggeneng and Juana Rivers. Synedra ulna was responsibled for those grouping and are therefore could be promoted as bioindicator of water quality in the Indonesian river. Research still should be developed, especially for diatoms in the bottom layer of sediment samples to reconstruct ecological condition in the past and to predict the condition in the future.
SHRIMP CULTURE OF Penaeus monodon WITH ZERO WATER EXCHANGE MODEL (ZWEM) USING MOLASSES Pohan Panjaitan
JOURNAL OF COASTAL DEVELOPMENT Vol 14, No 1 (2010): Volume 14, Number 1, Year 2010
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Abstract

One of the main obstacles to develop an intensive aquaculture is the accumulation of toxic inorganic nitrogenwhich should be kept very low by frequent water exchange or recycling of the water through a biofilter.This study describes another method of removing inorganic nitrogen using heterotrophic bacteria populationof which was augmented by the addition of a carbonaceous substance, molasses, to increase the feed C:Nratio under laboratory condition. The principal aim of study was to establish correlation C:N ratio levelwith levels of ammonia, nitrite, dissolved oxygen, pH and shrimp growth in Penaeus monodon shrimpculture with Zero Water Exchange Model (ZWEM) using molasses as carbon resource. It was found thataddition of molasses to shrimp farming with ZWEM had a role in removing ammonia and nitrite. Also,application of molasses to laboratory tanks increased the growth and percentage weight gain of shrimps andincreased the population of heterotrophic bacteria.
THE INFLUENCE OF SALINITY AND UREA FERTILIZER DOSAGE ON POPULATION GROWTH OF Spirulina sp. Sri Ariyati; Tri Retnaningsih Soeprobowati; Hendarko Sugondo
JOURNAL OF COASTAL DEVELOPMENT Vol 3, No 2 (2000): Volume 3 Number 2 Year 2000
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Abstract

Research on Spirulina sp. has been development since it was found to have a high economic value and as healthful as human traditional food such as the fishes. Therefore, the factors that influence the culturing of this algae should be maintained properly to obtain a high quality of the product. The research was done to determine the interaction of salinity and the dosage of the urea fertilizer on the population growth of Spirulina sp. factorial design with the combination treatment of four salinities (12,5 ppt, 15 ppt, 17,5 ppt, 20 ppt) and three dosage of urea fertilizer (80 ppm, 100 ppm, 120 ppm), are applied with 3 replications. The result indicated that the highest Spirulina sp. population is 321000 unit/ml, wet weight is 3,349 gr/l and dry weight is 1,315 gr/l which was found on the 20 ppt salinity and 120 ppm of urea fertilizer dosage.
ANTIBACTERIAL ACTIVITY OF A PIGMENT PRODUCING-BACTERIUM ASSOCIATD WITH Halimeda sp. FROM ELAND-LOCKED MARINE LAKE KAKABAN, INDONESIA Ocky Karna Radjasa; Leenawaty Limantara; Agus Sabdono
JOURNAL OF COASTAL DEVELOPMENT Vol 12, No 2 (2009): Volume 12, Number 2, Year 2009
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Abstract

A pigment producing-bacterium associated with green alga Halimeda sp., was successfully isolated from a land-locked marine lake Kakaban, East Borneo, Indonesia and screened for an antibacterial activity against pathogenic Staphylococcus aureus. The bacterium was identified as Pseudoalteromonas piscicida based on its 16S rDNA and was found to produce xanthophyll pigments and to amplify gene fragments of Non-ribosomal peptide synthetase (NRPS).
COMPARISON OF ESCHERICHIA COLI CONCENTRATION BETWEEN BENGKALIS COASTAL WATERS AND ESTUARY BANTAN TENGAH RIVER Nursyirwani .; B.A. Moestomo
JOURNAL OF COASTAL DEVELOPMENT Vol 6, No 1 (2002): Volume 6, Number 1, Year 2002
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Abstract

Bengkalis coastal waters and estuary Bantan Tengah River have been evaluated for bacteriological pollution level from November 2000 to April 2001. The objective was to compare Escherichia coli concentration as an indicator organism in the two ecosystems. The results indicated that E. coli concentration was higher in Bengkalis coastal waters than at estuary Bantan Tengah River, either at spring or at ebb tides. E. coli concentration, in Bengkalis coastal waters was higher at spring tide (993 cfu/100 ml) than that at ebb tide (775 cfu/100 ml). On the contrary, the E. coli concentration in estuary Bantan Tengah River was higher at ebb tide (247 cfu/100 ml) than at spring tide (22 cfu/100 ml).
ABUNDANCE AND OCCURRENCE OF PHOSPHATE SOLUBILIZING BACTERIA AND PHOSPHATASE IN SEDIMENT OF HOOGHLY ESTUARY, NORTH EAST COAST OF BAY OF BENGAL, INDIA T. K. De; T. K. Sarkar; M. De; T. K. Maity; A. Mukherjee; S. Das
JOURNAL OF COASTAL DEVELOPMENT Vol 15, No 1 (2011): Volume 15, Number 1, Year 2011
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Abstract

The abundance and occurrence of a special group of bacteria, capable of solubilizing or mobilizing insoluble phosphates were studied in estuarine environment, especially in sediments. The possible role of various factors of the sediments in maintaining the phosphate availability in the overlying water was described. The phosphatase activity was recorded in all samples irrespective of salinity variations. Total number of bacteria showed higher value in lower salinity. The total phosphate content in soil showed positive correlation with the phosphatase activity ( r = 0.890; P-Value = 0.000; n-=15). Clayey sediment contents more phosphate solubilizing bacteria and phosphatase than sandy sediment in a tropical estuarine region of River Hooghly.
GONAD MATURATION OF TWO INTERTIDAL BLOOD CLAMS Anadara granosa (L.) AND Anadara antiquata (L.) (BIVALVIA: ARCIDAE) IN CENTRAL JAVA Norma Afiati
JOURNAL OF COASTAL DEVELOPMENT Vol 10, No 2 (2007): Volume 10, Number 2, Year 2007
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Abstract

The reproductive cycles of male and female Anadara granosa and Anadara antiquata which have been studied and compared by histological techniques showed great anatomical similarity. Gametogenesis is associated with a system of follicle cells which break down as the gametes approach maturity. The arrangement of follicle cells is characteristics of the sex. In the female, gametogonia are peripheral to the follicle cells, whilst in the male they are interstitial. The process of spermatogenesis parallel the classical vertebrate pattern, i.e. successive layers of spermatogenic cells (spermatogonia, primary and secondary spermatocytes, spermatids, and spermatozoa) occurring more or less regularly in succession toward the centre of the follicle. The diameter of the maximum size oocytes is 75mm for A. granosa and 65mm for A. antiquata. Spawning in both A. granosa and A. antiquata is progressing gradually throughout the year as indicated by the availability of various stages of oogonia and spermatogonia; for which the highest number of oogonia were those of 25-40mm diameter. The histological study indicated that both species are iteroparous with planktotrophic type of development, yet performing a short period of pelagic life (ca 1 month).
SELECTIVITY OF Decapterus macarelus (SCAD) DRIFT GILLNET IN KAYELI BAY MALUKU BY KITAHARA’S METHOD Agus Tupamahu
JOURNAL OF COASTAL DEVELOPMENT Vol 12, No 3 (2009): Volume 12, Number 3, Year 2009
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Abstract

To study the gear selectivity on scad Decapterus macarelus fishing experiments using drift gill net withdifferents mesh sizes were conducted in Kayeli Bay Buru Island Maluku. To obtain data of fork length sizecomposition, drift gillnets were operated at fish agregation devices along night time. The selectivity of driftgillnets for scad were estimated with Kitahara’s method. Mesh selectivity by a drift gillnet used for scadDecapterus macarelus shows a peaked curved with the efficiency at the peak of mesh selectivity increasingin proportion to the mesh size. The optimum size selectivity (fishing efficiency) of scad are ratio of 185 mmfork length class and 38 mm mesh size, 225 mm and 45 mm mesh size, and 255 mm and 51 mm mesh size.
INTEGRATED MANAGEMENT OF MANGROVES ECOSYSTEM IN LAMPUNG MANGROVE CENTER (LMC) EAST LAMPUNG REGENCY, INDONESIA Asihing Kustanti; Bramasto Nugroho; Dudung Darusman; Cecep Kusmana
JOURNAL OF COASTAL DEVELOPMENT Vol 15, No 2 (2012): Volume 15, Number 2, Year 2012
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Abstract

Mangroves forest ecosystem along the east coastal in Lampung Mangrove Center (LMC) Margasari Village is a renewable resources. It is a border between two ecosystem. Because of that situation, more than one stakeholders involved. There are department involues, Forestry Fisheries and Marine, and Agriculture Department in East Lampung District. Often, the policy of each department is not efficient and effective.  Based on that situation, on 2006, the mangroves management try to make an integrated model between the stakeholders.  In this research, It want to know the effectiveness of that model.  The samples in this research used Simple Random Sampling which they were 25 the people and the team of integrated management of University of Lampung and the East Lampung Regency government. The datas will be described and analysis with SWOT Analizing (Strength, Weakness, Opportunities, and Threats). The strategy of the integrated management will be defined after that.  Integrated management of mangroves ecosystem in Margasari Village have in good management of sustainability approach and increase the welfare of the people.  The position of the analzing of the integrated management is on the aggressive curve.  It is indicated that the integrated management has been done since 2006 have progressive development, between the people, government, and  University of Lampung. The strategies of management plan are education for the people on mangroves ecosystem functions and benefits, human resources development, law enforcement in break the rule in mangroves management (illegal loging and wild harvesting), development in international and national net working,  science and technology development, and  community empowerment and economyc increase. 
THE DETERMINATION OF THE BIVALVAE Mactra sp. POPULATION COHORT AT REMBANG WATERS, CENTRAL JAVA USING THE BHATTACHARYA METHOD Muhammad Zainuri
JOURNAL OF COASTAL DEVELOPMENT Vol 1, No 3 (1998): Volume 1, Number 3, Year 1998
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Abstract

The determination of bivalvae Mactra sp. Year class cohort were applied for the samples from Randu Guntinh Esturian, Rembang Waters, Central Java, using the Bhattacharya Method (different logarithmatic). The abundance and shell length data of bivalvae Mactra sp collected on March to June, 1996 were used to improved the method. The Bhattacharya method allowed the determination of three year class cohorts for the samples. This discussed in regard to advantage of the method giving the input  data for the construction of the growth model.

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