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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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CEPHALOPOD RESOURCES OF THE SOTH SULAWESI SEAS Abdul Ghofar
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

A study was conducted in South Sulawesi including Takaboberate Islands and adjacent areas from October 1994 to March 1995 to describe the cephalopod fauna in the area and to assess the status of their utilization. Six major observations and specimen collection were carried out around Pulau-pulau Selayar, Rajuni, Tinanja, Taka Lamungan, Tarupa and landing places in Ujung Pandang and Pare-pare. Most observations were made by means of snorkeling. Identification of specimens were carried out upon fresh specimens, which were then preserved in 4% formalin for 1-2 day depending on their size, prior to transporting for further laboratory observations and deposition. Fifteen species of cephalopods, representing 4 species of the family Loliginidae, 1 species of Enoploteuthidae, 7 species of Sepiidae, 1 species of Octopodidae, and 2 species of Nautilidae were identified. During the survey, spawns of 2 species of family Sepiidae were also collected, however there were no strong evidence of the occurrence of spawning ground for the species in the area, at least during the period of survey. The MSY for squid was estimated to be 1.840 ton per year, corresponding to an optimum effort of 4.800 bagam-prahu. Further increase intensity is possible, although a cautious management required, including continuous monitoring of the fishery and squid biology.
ADSORPTION OF Mg(II) ION FROM AQUEOUS SOLUTION ON CHITOSAN BEADS AND CHITOSAN POWDER Sari Edi Cahyaningrum; N Narsito; Sri Juari Santoso; Rudiana Agustini
JOURNAL OF COASTAL DEVELOPMENT Vol 13, No 3 (2010): Volume 13, Number 3, Year 2010
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Abstract

A basic investigation on the removal of Mg(II) ion from aqueous solution by chitosan beads was conducted in a batch adsorption system. The influence of different experimental parameters; pH, agitation period and different concentration of Mg(II) ion was evaluated. A pH 7.0 was found to be an optimum pH for Mg(II) adsorption onto chitosan powder and chitosan beads. The Langmuir and Freundlich adsorption isotherm models were applied to describe the isotherms and isotherm constants for the adsorption of Mg(II) onto chitosan powder and chitosan beads. Results indicated that Mg(II)  uptake could be described by the Langmuir adsorption model. The maximum adsorption capacities of Mg(II) ion onto chitosan powder and chitosan beads were 7.20 and 17.39 mol gâ^’1, respectively. The rate of adsorption Mg(II) on chitosan powder and chitosan beads  were 16.0.10-4 min-1 and  48.00 . 10-4  min-1, respectively.      
EFFECT OF FRESH FEED AND DENSITY TO THE SURVIVAL RATE OF JUVENILE MANGROVE CRAB SCYLLA SERRATA Djoko Suprapto
JOURNAL OF COASTAL DEVELOPMENT Vol 5, No 1 (2001): Volume 5, Number 1, Year 2001
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Abstract

The problem of seed production of Scylla serrata juvenile is the massive mortality due to cannibalism among them that normally happen when the animal undergone the molting. The density of juvenile and the feed play important role to avoid the cannibalism. The aim of the study is to understand the interaction between fresh feed and density in controlling the mortality of the juvenile reared in the laboratory scale. A factorial plot with three levels of treatments of fresh feed and three levels of juvenile densities was used in this experiment. The fresh feed treatment did not significantly influence either survival rate or growth rate of juvenile. On the other hand, the density strongly influenced the survival rate of juvenile but not to the growth rate.
THE POTENTIAL NEGATIVE IMPACT OF AIR LEAD POLLUTION ON CHILD DEVELOPMENT A PRELIMINARY STUDY IN TAMBAKLOROK, SEMARANG Amin Husni
JOURNAL OF COASTAL DEVELOPMENT Vol 4, No 1 (2000): Volume 4, Number 1, 2000
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Abstract

A review about potential negative impacts of air lead pollution especially on child development, based on a result ofa cross sectional study conducted in Tambaklorok-Semarang, an area with a very high air lead pollution, is reported. Subjects in the study were mothers who have lived more than three years in the area and their infants. The `subjects' characteristics, including age, height, weight, lead blood concentration (Pb- blood), Hemoglobin (Hb}, and the infants' developmental score were measured. The air lead concentration was measured for comparing to the air lead concentration reported by a previous research. Re-measurement ofthe Pb-air in August 1999 in Tambaklorok had a similar result with the Pb- air measured in August 1996 that was 100 times higher than that in a non·polluted Pb·air area. Statistical analysis showed that there was no signyicant correlation between the child Pb-blood and Matemal Pb-blood child ’s age, child ’s Hb, child ’s nutritional status that was calculated using Mass Body Index, and child development score, respectively. It seemed that child development was not influenced by the air lead exposure. The children were suffering fom anemia, but there was no signyicont correlation between the child Pb-blood and the child Hb.  
IMPACT OF HEAVY METALS CONTAMINATION ON THE BIODIVERSITY OF MARINE BENTHIC ORGANISMS IN JAKARTA BAY Noverita Dian Takarina; Andrio Adiwibowo
JOURNAL OF COASTAL DEVELOPMENT Vol 14, No 2 (2011): Volume 14, Number. 2, Year 2011
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Abstract

Alteration of land is continuing to increase inorganic matter to marine ecosystems and reduce marine biodiversity. Therefore, we investigated the interplay among land use and heavy metal (Cr, Cu, Pb, Zn) inputs from 8 rivers of Jakarta Bay to the benthic biodiversity. At current time, land uses surrounding Jakarta Bay are fulfilled with industrial activity, settlement, and agriculture. Total concentration of Cr, Cu, Pb, and Zn were determined using the Atomic Absorption Spectrometry in order to assess and compare contamination levels among land use types. Results showed that the average concentrations of heavy metals in sediment were generally higher in river-mouth received water from industrial than those in agriculture. Those land use related metal pattern were also reflected in the benthos diversity. Macrobenthic community diversity decreased when inputs of organic matter increased. Decreases in macrobenthic diversity were mainly linked to an increasing abundance of species with specific functional traits, specifically deposit–feeding polychaetes. Our finding confirmed that land use in the form of industrial areas were potential to produce toxic material to ecosystems. Therefore, we recommend that the development need to consider the allocation of physical infrastructure particularly near waterways.
MITIGATION MEASURES FOR GAZA COASTAL EROSION Mazen Abualtayef; Ahmed Abu Foul; Said Ghabayen; Abdel Fattah Abd Rabou; Ahmed Khaled Seif; Omar Matar
JOURNAL OF COASTAL DEVELOPMENT Vol 16, No 2 (2013): VOLUME 16, NUMBER 2, YEAR 2013
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Abstract

Coastal erosion is an ongoing hazard affecting Gaza beach, but is worsening due to a wide range of human activities such as the construction of Gaza fishing harbor in 1994-1998. The net annual alongshore sediment transport is about 190×103 m3, but can vary significantly depending on the severity of winter storms. According to the observed wave heights and directions, the net waves are cross-shore, therefore vast quantities of sediments may transfer to deep sea. The main objective of this study is to mitigate the erosion problem of Gaza coast. Change detection analysis was used to compute the spatial and temporal change of Gaza shoreline between 1972 and 2010. The results show negative rates in general, which means that the erosion was the predominant process. Gaza fishing harbor caused a serious damage to the Beach Camp shoreline. Consequently, several mitigation measures were considered in this study, which are: relocation of Gaza fishing harbor to offshore, groins, detached breakwaters, wide-crested submerged breakwaters and beach nourishment. Several numerical model tests associated with coastal structures are conducted to investigate the influence on morphodynamics. The results show that the relocation of the harbor is the best alternative to stop trapping of the sediments. If for any reason the relocation was not carried out, the wide-crested submerged breakwater alternative is an effective structure for preventing sandy beach erosion. The artificial reef type of submerged breakwaters with beach nourishment is recommended for Gaza beach, because it is an environmentally friendly and improving the ecosystem of marine life.
A STUDY OF CHANGES IN THE PROTEIN QUALITY OF RAINBOW TROUT (Salmo gairdneri) IN FROZEN STORAGE Eko Nurcahya Dewi
JOURNAL OF COASTAL DEVELOPMENT Vol 3, No 3 (2000): Volume 3 Number 3 Year 2000
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Abstract

Freezing is an effective method of preservation which can produce high quality foods. However, low temperature applied during processing could results in serious product quality deterioration in particular functional properties of protein. During the freezing process salt concentration increases and the change in pH may cause extensive denaturation of muscle protein. The process of denaturation can be accelerated with a resulting increase in thaw drip loss of tissue. In order to examine protein quality, parameters such as soluble protein, drip loss, and changes in the electrophoretic pattern of sarcoplasmic protein of fish muscle were studied. The fish used in this experiment was rainbow trout (Salmo gairdneri). The fish was filleted and frozen in an airblast freezer for an hour at -30°C. They werecalled “fres quality samples”, whereas the “poor quality” samples were fish fillets that have been kept on ice for 3 days before freezing. The samples were analysed for salt soluble protein, thaw drip, water holding capacity and isoelectric focusing of sarcoplasmic protein at the day and the freezing day storage (5 weeks). There was a decrease of 70% on the “fresh quality” sample from the initial value of 82.8% AND 7.5% the “poor quality” sample from 82.5% on the salt soluble protein. Although the differences were small and there were no significant difference between the two samples, the result suggests that of the protein became denatured during frozen storage (5 weeks). There was an increase from 4.3% to 11.6% in “fresh quality” and 6.9% to 12% in “poor quality” sample. The drop of these values reflect the extent of protein denaturation due to ice crystal formation and cell rupture. Sarcoplasmic protein pattern of both sample were not much different before freezing, however there was a disappearance of some light sarcoplasmic bands in the sample after freezing process. On further storage (5 weeks) the pattern obtained were still nearly the same, but light bands did not correspond exactly in their position.
ESTIMATING CONTRIBUTION OFZOOXANTHELLAE TO ANIMAL RESPIRATION (CZAR) AND TO ANIMAL GROWTH (CZAG) OF GIANT CLAM Tridacna maxima Ambariyanto A.
JOURNAL OF COASTAL DEVELOPMENT Vol 9, No 3 (2006): Volume 9, Number 3, Year 2006
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Abstract

Zooxanthellae are symbiotic dinoflagellate algae which live in association with marine invertebratesincluding giant clams. These algae are capable of translocating part of their photosynthetic products tothe host. This translocation is one of the nutrition sources of the host. The present study aims tocalculate the contribution of zooxanthellae on the energy requirements of adult giant clam (Tridacnamaxima) during their respiration and growth processes. The result showed that zooxanthellae arecapable of contributing 260.67% and 452.54% energy required by giant clams for respiration andgrowth during summer and 171.51% and 273.51 % during winter, respectively. It suggests that all theenergy required for these two processes can be supplied by zooxanthellae. 
WETLAND ECOSYSTEMS AND COASTAL HABITAT DIVERSITY IN GUJARAT, INDIA Oswin D. Stanley
JOURNAL OF COASTAL DEVELOPMENT Vol 7, No 2 (2004): Volume 7, Number 2, Year 2004
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Abstract

Wetland ecosystems are the major contributors for the nations’ wildlife biodiversity, productivity and economy. The paper elaborates the habitat diversity of wetlands in Gujarat, India, the floral and faunal diversity of each ecosystem, the major industrial and development pressures posed by the mangroves and coastal ecosystems. Thus indicates the significance and necessity for wetland habitat conservation.
SALINITY INDUCED CHANGES IN THE LEAF ANATOMY OF THE MANGROVE Avicennia marina ALONG THE ANTHROPOGENICALLY STRESSED TROPICAL CREEK M.U. Borkar; Athalye R.P.; Quadros Goldin
JOURNAL OF COASTAL DEVELOPMENT Vol 14, No 3 (2011): Volume 14, Number 3, Year 2011
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Abstract

The mangrove Avicennia marina is a dominant mangrove along the anthropogenically stressed tropical Thane creek, west coast of India. Leaf anatomy of the mangrove along the Thane creek, was assessed in relation to stationwise and seasonwise variations in salinity. It was noticed that under the conditions of higher salinity, Avicennia marina  showed increased thickness of hypodermal water storage tissue in the leaf (for conservation of water) and produced taller salt extruding glands at the lower epidermis to eliminate more salt; whereas, the thickness of the photosynthetic mesophyllic tissue significantly reduced. At lower salinity or with reduction in salinity in monsoon, contrary to above occurred. These changes probably explain the stunted growth of Avicennia marina in high salinity environment and its vigorous growth at lower salinity.

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