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INDONESIA
Jurnal Segara
Published by Kementerian Kelautan dan Perikanan RI
ISSN : 19070659     EISSN : 24611166     DOI : -
Core Subject : Science, Social,
Earth & Planetary Sciences Environmental Science Materials Science & Nanotechnology
Jurnal SEGARA (p-ISSN: 1907-0659, e-ISSN: 2461-1166) adalah Jurnal yang diasuh oleh Pusat Riset Kelautan, Badan Riset dan Sumber Daya Manusia Kelautan dan Perikanan (BRSDMKP), Kementerian Kelautan dan Perikanan – KKP, dengan nomenklatur baru Pusat Riset Kelautan, Badan Riset dan Sumber Daya Manusia Kelautan dan Perikanan, KKP dengan tujuan menyebarluaskan informasi tentang perkembangan ilmiah bidang kelautan di Indonesia, seperti: oseanografi, akustik dan instrumentasi, inderaja,kewilayahan sumberdaya nonhayati, energi, arkeologi bawah air dan lingkungan.
Arjuna Subject : -
Articles 7 Documents
 1 
Search results for , issue "Vol 18, No 1 (2022): April" : 7 Documents clear
Coastal Vulnerability Assessment Along The North Java Coastlines-Indonesia Dian N. Handiani; Aida Heriati; Fitry Suciaty
Jurnal Segara Vol 18, No 1 (2022): April
Publisher : Politeknik Kelautan dan Perikanan Dumai

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1055.268 KB) | DOI: 10.15578/segara.v18i1.10664

Abstract

The north coast of Java is an area with very diverse maritime activities. These high activities threaten the ecosystem and environmental sustainability. Several areas already experience environmental degradation and most of the threats come from ocean pollution, coastal erosion, continuous tidal flood (rob), and coastal land subsidence. Furthermore, the coastal degradation is worsened by climate change which may cause the area more vulnerable to disaster. This study aims at evaluating the coastal vulnerability using weighted coastal vulnerability index (CVIw). The method calculates coastal vulnerability by weighting physical coastal parameters using Analytical Hierarchy Process (AHP). CVIw calculation result shows that the vulnerability is dominant at high (39%) and very high (51%) classes. The high vulnerability occurs in Tangerang, Bekasi, Brebes, Demak, Jepara, Pati, and Rembang Regencies. Meanwhile, very high vulnerability takes place in several regencies: Serang, Karawang, Subang, Indramayu, Cirebon, Tegal, Kendal, Semarang, and Gresik. The parameters of relief, coastal features, tidal range and shoreline give contribution more in coastal vulnerability besides lithology, sea level change, and wave height. Identifying vulnerability in these areas might help local governments to prioritize their action plan in coastal disasters mitigation.
Determining The Capacity of Temporary Evacuation Shelter in Carita and Labuan District Pandeglang Regency Dini Purbani; Muhammad Ramdhan; Hadiwijaya Lesmana Salim; August Daulat; Aida Heriati; Budianto Ontowirjo; Ardiansyah Ardiansyah
Jurnal Segara Vol 18, No 1 (2022): April
Publisher : Politeknik Kelautan dan Perikanan Dumai

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1125.006 KB) | DOI: 10.15578/segara.v18i1.10544

Abstract

A tsunami due to the GAK flank collapse occurred along the Sunda Strait Coast on December 22, 2018, with areas severely hit including Labuan and Carita Districts on the coast of Pandeglang Regency. The disaster resulted in the death of 431 people, more than 7200 injured and 46,646 people lost their homes. To anticipate the number of disaster casualties, disaster mitigation efforts are carried out using network analysis applications from GIS (Geographical Information Systems) software. The data used in the network analysis process is road data obtained from the Open Street Map in 2019 and supported by wave propagation and speed time to TES. This study used a walking speed of 0.751 m/second for elderly people. The results of the network analysis process showed the best route to the proposed Temporary Evacuation Shelter (TES). There are eight proposed TES in Carita District from which  seven are located on Raya Anyer Sirih Street and another one is located on Perintis Kemerdekaan. The number of residents in each area segment in the proposed TES is between 179 and 2,677 people. Yet, there are four existing TES units in Carita District located on Perintis Kemerdekaan Street. In Labuan District, one TES unit is proposed, which has the capacity of up to 4,376 people. Meanwhile, its existing TES is in the form of a Tsunami Shelter Building      with a capacity of 23,635 people.
Economic Benefits of Marine Protected Areas, Case of Anambas Islands, Indonesia Leny Dwihastuty; Supriyadi Supriyadi; Umi Muawanah; Muhammad H. Jayawiguna
Jurnal Segara Vol 18, No 1 (2022): April
Publisher : Politeknik Kelautan dan Perikanan Dumai

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (656.522 KB) | DOI: 10.15578/segara.v18i1.11009

Abstract

This study aims to evaluate the economic benefits derived from conservation areas using the case of National Marine Protected Areas (MPA) in Anambas Islands. The study evaluated the top four reef-associated fish with high economic values, namely grouper, red snapper, threadfin bream, and trevally fish.  The employed bioeconomic hybrid model to estimate the Maximum Economic Yield (MEY) for those fish under the sustainable conservation policies. We found positive economic benefits from conservation in Anambas Islands. The MPA has shown both biological and economic benefits, namely the spill over impact and total economic value of harvest at amount of IDR 301,481,685,170/year. We found that the 50% MSY policy on fisheries TAC in MPA site will still sustain the fisheries resource but fishers are less profitable. Some strategies to augment the outcome of Anambas Islands MPA include affirmation policies both from national and local government to increase fishing capacity and skills such as operating larger vessels, eg 10 GT and provide programs and assistance on providing alternative livelihoods for fishermen.
Biodiversity and Aquatic Vegetation Succession in Biawak Island Marine Protected Area, Indramayu-West Java Andreas Albertino Hutahaean; Agustin Rustam; August Daulat; Yusmiana Puspitaningsih Rahayu; Devi Dwiyanti Suryono; Hadiwijaya Lesmana Salim; Mariska Astrid Kusumaningtyas
Jurnal Segara Vol 18, No 1 (2022): April
Publisher : Politeknik Kelautan dan Perikanan Dumai

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (587.122 KB) | DOI: 10.15578/segara.v18i1.10965

Abstract

The existence of aquatic vegetation in the coastal waters is correlated with the water quality parameters. Seagrass and macroalgae are aquatic plants often found to form a coastal ecosystem that depends on water quality, both physically and chemically. Research on the existence of aquatic plants in Biawak Island, Indramayu, West Java, was conducted in 2016 and 2019 by combining in situ data and secondary data. The purpose of this study was to observe the dynamics of seagrass ecosystems as aquatic plants on Biawak Island and their correlation with the succession that occurred in the aquatic environment in Biawak Island as part of the Biawak Archipelago Marine Protected Area (MPA). The research method integrates a descriptive analysis and its correlation between the submerged aquatic plants and their environment. The results showed that seagrasses in Biawak Island tend to disappear and be replaced by macroalgae. The type of seagrass found in 2016 was Enhalus Acoroides covered by epiphytes perished in 2019. The abundance of macroalgae, especially Halimeda macroloba, indicates the existence of nutrient enrichment and high turbidity, causing the seagrass to be replaced by macroalgae. Another biodiversity found in the region was clams and sea cucumber, while branching coral conditions experienced bleaching and degradation. An environmental condition contains high nutrients strengthening the nutrient enrichment for a particular time. Therefore, integrated management regarding terrestrial and shipping lines track needs to be addressed to maintain the sustainability of the natural resources in the Biawak archipelago.
Seagrass Connectivity Based on Oceanographic Condition in The Marine Protected Area of Biawak Islands, Indramayu Aditya Ramadhan; Noir Primadona Purba; Sunarto Sunarto; Udhi Eko Hernawan; Ibnu Faizal
Jurnal Segara Vol 18, No 1 (2022): April
Publisher : Politeknik Kelautan dan Perikanan Dumai

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (834.8 KB) | DOI: 10.15578/segara.v18i1.10961

Abstract

Seagrasses are an essential component of the coastal environment with provide many ecosystem services beneficial to humans. Understanding the pattern of dispersal of segrasses is important for conservation management. The aimed of this research was to analyze the seed dispersal of the seagrass Enhalus acoroides in the Marine Protected Area of Biawak Islands, Indramayu, based on hydrodynamic modelling. Oceanographic data were downloaded from several open acces website and location of seagrasses based one insitu observation. Then, oceanographic parameters and seed traits were used to develop the particle trajectory model. Our analysis showed that the seafloor’s depth around the islands varied, ranging from 8 m to 48 m. The seed dispersal was strongly influenced by alternating tidal currents (reversing current). The particle trajectory showed that most of the seeds would be transported outward away from each source in the islands, and they settled in deeper areas further from the coast of the islands. This result indicates that the seagrass population in Biawak Islands might depend predominantly on vegetative recruitment, which is slow. This may be related to the low seagrass canopy cover in Biawak Islands.
Halaman Depan Jurnal Segara Vol 18 No 1 April 2022 Joko Subandriyo, ST
Jurnal Segara Vol 18, No 1 (2022): April
Publisher : Politeknik Kelautan dan Perikanan Dumai

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (755.103 KB) | DOI: 10.15578/segara.v18i1.11487

Abstract

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Halaman Belakang Jurnal Segara Vol 18 No 1 Joko Subandriyo, ST
Jurnal Segara Vol 18, No 1 (2022): April
Publisher : Politeknik Kelautan dan Perikanan Dumai

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (309.798 KB) | DOI: 10.15578/segara.v18i1.11500

Abstract

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