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Journal of Marine Resources and Coastal Management
Published by Universitas Islam Negeri Sunan Ampel
ISSN : -     EISSN : 27220966     DOI : -
Core Subject : Science, Agriculture, Social,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Environmental Science
Journal of Marine Resources and Coastal Management is a peer-reviewed journal published biannually by the Marine Science Departement, Faculty of Science and Technology, UIN Sunan Ampel. The Editors welcome contributions from research, which consider marine natural resources and coastal area with emphasis on environmental, technological, economic, institutional and policy aspects of conservation and utilization of marine resources and coastal zone management practices.
Arjuna Subject : Ilmu Lingkungan (semua ketegori) - Ilmu Lingkungan (Lain-Lain)
Articles 5 Documents
 1 
Search results for , issue "Vol. 5 No. 2 (2024)" : 5 Documents clear
Assessment of sea level rise and tidal flood vulnerability in the coastal region of Jepara, Central Java, Indonesia Christiananda; Sawiji, Asri; Santoso, Eko Hadi
Journal of Marine Resources and Coastal Management Vol. 5 No. 2 (2024)
Publisher : UIN Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29080/mrcm.v5i2.2201

Abstract

The coastal region of Jepara, Central Java, is increasingly vulnerable to environmental hazards due to rising sea levels, land subsidence, and climatic variability. Recent public concerns regarding the potential submergence of parts of Jepara and the possible reappearance of the ancient Muria Strait underscore the need for a scientific assessment of regional coastal stability. This study aims to evaluate the impacts of sea level rise on the vulnerability of Jepara’s coastal areas to tidal inundation. Using secondary data from 2013 to 2024, the analysis includes trends in mean sea level (MSL), sea surface temperature (SST), and documented land subsidence in nearby coastal cities. The results indicate an average annual MSL increase of 4.23%, with projections reaching up to 3.83 meters by 2050 if current trends persist. SST also shows a consistent upward trend, contributing to thermal expansion and sea level rise. Tidal flood mapping reveals that rice fields and coastal settlements are the most affected land uses, with 1,960.66 hectares of agricultural land and 207.48 hectares of residential area exposed to periodic inundation. The compounded effects of sea level rise, SST increase, and subsidence suggest an urgent need for mitigation planning and adaptive infrastructure to reduce future flood risks.
Assessment of seagrass beds and environmental conditions in Gili Noko, Gresik, East Java, Indonesia Fatmala, Agustina; Pryono, Ach. Onky
Journal of Marine Resources and Coastal Management Vol. 5 No. 2 (2024)
Publisher : UIN Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29080/mrcm.v5i2.2207

Abstract

Seagrass beds are critical coastal ecosystems with high biodiversity and significant contributions to nutrient cycling in surrounding waters due to their high productivity. This study focused on the seagrass ecosystem in the waters of Gili Noko, Gresik, East Java, Indonesia. Data collection was conducted using the quadrant transect method, measuring both physical and chemical water parameters, including temperature, clarity, substrate type, salinity, dissolved oxygen, and pH. The results identified two seagrass species, Enhalus acoroides and Thalassia hemprichii, in Gili Noko waters. The total seagrass density was recorded at 6.72 stands/m², while the percentage of seagrass cover was 6.09%, categorized as poor. The diversity index (H') was 0.89, indicating low diversity, whereas the uniformity index (E) was 0.45, and the dominance index (D) was 0.57, both categorized as moderate. Although the physical and chemical parameters of Gili Noko waters are within the optimal range for seagrass growth, the low density and cover highlight significant ecosystem degradation caused by anthropogenic activities and ecological pressures. Conservation efforts, including reducing human impacts and protecting natural habitats, are essential to restore the seagrass ecosystem. Further studies on rhizome growth rates and leaf turnover are recommended to better understand seagrass dynamics and support effective management strategies.
Cultivation practices and performance indicators of vannamei shrimp in HDPE-lined ponds at Prigi Mariculture Installation, Trenggalek, Indonesia Andaya, Fity; Halim, Abdul; Purnama, Candra Eka Hari
Journal of Marine Resources and Coastal Management Vol. 5 No. 2 (2024)
Publisher : UIN Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29080/mrcm.v5i2.2223

Abstract

The development of fisheries potential can be enhanced through various cultivation activities, with shrimp farming being one of the key sectors. This study evaluates the cultivation of vannamei shrimp (Litopenaeus vannamei) in High-Density Polyethylene/HDPE-lined ponds at the Prigi Mariculture Installation, Trenggalek, focusing on pond preparation, media setup, shrimp maintenance, water quality management, and their impact on key performance indicators: survival rate (SR), feed conversion ratio (FCR), average body weight (ABW), and average daily growth (ADG). The study was conducted in four ponds: B1 and B2 (1,350 m³) and B3 and B4 (1,000 m³), stocked with post-larvae at densities of 118-122 individuals/m³. Water quality measurements included 29°C temperature, 15-24 ppt salinity, 6.8-7.7 pH, 7.02–7.78 mg/L dissolved oxygen, and 32-100 cm brightness. Growth rates varied, with the highest ADG at 0.30 and the lowest at 0.0. FCR values ranged from 1.64 (B3) to 1.84 (B4), while SR ranged from 26% to 51%. The presence of pests, such as birds, monitor lizards, and mice, and diseases like Acute Hepatopancreatic Necrosis Disease (AHPND) and White Feces Disease (WFD), were noted. These findings provide valuable insights into optimizing vannamei shrimp farming practices and improving productivity in HDPE-lined ponds.
Echinodermata community structure and ecological implications at Gili Island, Gresik Regency, East Java, Indonesia Irawanti, Elvina; Yogama, Clint Devan
Journal of Marine Resources and Coastal Management Vol. 5 No. 2 (2024)
Publisher : UIN Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29080/mrcm.v5i2.2227

Abstract

This study investigates the abundance, diversity, and distribution of Echinodermata species across three different stations at Gili Island, Gresik Regency, East Java. A total of five species were identified, with four species from the class Asteroidea (Linckia laevigata, Culcita novaeguineae, Protoreaster nodosus, and Acanthaster planci) and one from the class Ophiuroidea (Ophiocoma scolopendrina). The study employed the Belt Transect Method for sampling, and the results revealed varying levels of abundance and diversity among the stations. Station 2, dominated by coral reefs, exhibited the highest abundance (0.16 ind/m²), followed by Station 1 (0.14 ind/m²) with seagrass and macroalgae ecosystems, and Station 3 (0.13 ind/m²) with a mix of coral reefs and macroalgae. The diversity index (H') indicated moderate diversity across all stations, with Station 3 having the highest index value. Additionally, the uniformity index showed high species evenness, particularly at Station 3, and the dominance index was low, suggesting no single species dominated the communities. The study highlights the significant influence of habitat complexity, particularly coral reefs and seagrass beds, on Echinodermata populations. The results underscore the importance of these ecosystems in supporting biodiversity and maintaining ecological balance in marine environments.
Density of gastropods and bivalves in coral reefs of Gili Island, Gresik Regency, Indonesia Wahyunita, Fitrana; Fahmi, M. Yunan
Journal of Marine Resources and Coastal Management Vol. 5 No. 2 (2024)
Publisher : UIN Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29080/mrcm.v5i2.2295

Abstract

Gastropods and bivalves play a crucial role in the marine food web within coral reef ecosystems. This study aimed to identify gastropod and bivalve species and analyze their density in the coral reef ecosystem of Gili Island, Gresik Regency, East Java. Sampling was conducted using the belt transect method (100 meters in length and 5 meters in width), placed parallel to the shoreline at three selected research stations. A total of 19 individuals, representing two families of gastropods and bivalves, were identified. Species density ranged from 0.005 to 0.035 individuals/m², while relative density values ranged from 11% to 78%. The results indicate that the density and distribution of gastropods and bivalves in Gili Island waters are influenced by substrate types and water quality parameters.

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