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Coastal and Marine Journal
  • coastal-and-marine-journal
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Published by Yayasan Serumpun Karang Konservasi
ISSN : -     EISSN : 30251613     DOI : https://doi.org/10.61548/cmj
Core Subject : Agriculture, Social,
Agriculture, Biological Sciences & Forestry Environmental Science
Coastal and Marine Journal provides an international forum for publishing papers in fisheries science, fishing technology, fisheries management, sustainability of fisheries, coastal and ocean management, relevant socio-economics, the conservation of exploitable living resources, marine spatial planning, and ethno-oceanography. The scope covers marine fisheries, brackish systems, all aspects of associated ecology, environmental aspects of fisheries, and socio-economics. Both theoretical and practical papers are acceptable, including laboratory and field experimental studies. The journal is intended for fisheries scientists, biological oceanographers, fishing gear technologists, economists, managers, administrators, policymakers, and legislators.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Perairan
Articles 5 Documents
 1 
Search results for , issue "Vol. 2 No. 1 (2024)" : 5 Documents clear
The Macrozoobenthos Community Structure on Artificial Reef at Penyusuk Marine, Bangka Regency Aldia, Dia; Supratman, Okto; Muftiadi, M. Rizza
Coastal and Marine Journal Vol. 2 No. 1 (2024)
Publisher : Yayasan Serumpun Karang Konservasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61548/cmj.v2i1.13

Abstract

Makrozoobenthos are all types of sedentary organisms or move freely whose habitat’s in the bottom substrate of waters with a body size of more than equal to 0.5 mm. Benthos have a very important role in waters where macrozoobenthos communities must remain balanced so that aquatic ecosystems are balanced. This study aims to determine the type of macrozoobenthos, the abundance of macrozoobenthos and the structure of macrozoobenthos communities on artificial reefs in Penyusuk Marine, Bangka Regency which was sunk by PT. Arta Cipta Langgeng. Data collection will be carried out in May 2023 at an artificial reef in Penyusuk Marine, Bangka Regency. The determination of the research location point was carried out by purposive sampling and macrozoobenthos data collection using road sampling techniques and free hand picking methods. Measurement of environmental parameters was carried out in situ and ex situ as well as data analysis using Principal Component Analysis (PCA). The results of the study found 32 types of macrozoobenthos with a total of 2,745 individuals found at the three observation stations. The abundance obtained ranged from 46,04 ind/m2 – 49,01 ind/m2. The diversity value ranges from 0,60 – 0,87 so that was categorized as low, the uniformity value ranges from 0,19 – 0,27 as low was categorized and the dominance value ranges from 0,72 – 0,82 was high categorized.
The Density of Megabentos in Coral Reef Ecosystems in The Waters of Pongok Island, South Bangka District Ayu, Citra; Adibrata, Sudirman; Muftiadi, M. Rizza
Coastal and Marine Journal Vol. 2 No. 1 (2024)
Publisher : Yayasan Serumpun Karang Konservasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61548/cmj.v2i1.22

Abstract

Biota plays a role in reef coral is megabenthos . Megabenthos is a large benthic biota more of 1cm and has Power adaptation to condition environment . Benthic biota usually found at the bottom waters like ecosystem reef coral and fields seagrass . Waters Island Pongok own diversity biological abundant sea _ so that made source search society in general working as a fisherman with method netting, fishing and doing arrest with another way . Apart from that, some fisherman Still use tool catch those who don't friendly environment like use bomb and shoot For catching fish. Megabenthos data collection use method Benthos Belt Transect and reef data collection coral use method Underwater Photo Transect . Research results in Water Island Pongok 12 species were found of the 6 families found in the waters Island Pongok . Density value megabenthos found _ range between 0.007-1.257 ( ind /m²) which is dominated by species Diadem setosum with average value _ amounted to 0.688 ( ind /m²), whereas density Lowest is in the species Drupella cornus , Linckia multifora and Trochus niloticus with the average value density 0.002 ( ind /m²). Percentage cover reef coral live on the Island Pongok ranges between 28.67%-63.87% in Medium to Good category . Analysis results Principal Component Analysis (PCA) was obtained results density highest that is Correlated diadema _ with temperature with mark the correlation is 1,000 and temperature namely 0.825, next clams correlated with pH and value the correlation is 0.465 and pH 0.982. From these two biota categorized as correlated perfect with physical and chemical parameters waters. Connection density megabenthos with form growth reef coral density megabenthos highest at the location study is species Diadem sp . which is correlated tall with Dead Coral Algae (DCA) with mark  the correlation is 0.998. Density megabenthos Lowest is Correlated Drupella _  tall with Dead Coral Algae (DCA) with mark the correlation is 0.998, and Linckia multifora correlated  tall with Coral Foliose (CF) with mark the correlation is 0.925.
The Coral Reef Health Disturbance in The Waters of Pongok Island, South Bangka District Firmansyah, Muhammad; Adibrata, Sudirman; Muftiadi, M. Rizza; Perangin-angin, Robet
Coastal and Marine Journal Vol. 2 No. 1 (2024)
Publisher : Yayasan Serumpun Karang Konservasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61548/cmj.v2i1.24

Abstract

This research aims to analyze coral reef cover and analyze coral reef health problems. This research was conducted in October 2023 in the waters of Pongok Island. Coral reef cover data collection using the method of Underwater Photo Transect (UPT) and data collection on the distribution of coral health disorders was taken using the belt transect method (belt transect). The results of the research showed that the percentage of coral reef cover in Pongok Island waters ranged from 28.67% - 63.87% which was categorized as Medium to Good. Coral reef health problems found at the research location in Pongok Island waters are Bleaching (B), Sedimentation damage (SD), Pigmentation response (PR), growth anomalies (GA), and crown of thorns starfish (CoTS). Sedimentation damage is the highest prevalence in the research location with 3.42%, then pigmentation response (PR) with a total of 0.48%, Crown of thorns starfish (CoTS) 0,05%, Bleaching (B) 0,04%, and Growth anomalies (GA) with an amount of 0.01%.
The Study of Coral Recruitment on Artificial Reefs in The Coastal Waters of Penyusuk, Bangka District Maulana, Eka; Supratman, Okto; Muftiadi, M. Rizza
Coastal and Marine Journal Vol. 2 No. 1 (2024)
Publisher : Yayasan Serumpun Karang Konservasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61548/cmj.v2i1.25

Abstract

    Artificial coral reefs are one of the efforts to rehabilitate resources and serve as a nursery area, providing a permanent new habitat for sessile biota and maintaining the balance of the food chain cycle. This study aims to identify the types of coral attached to artificial reefs and analyze the coral density value on artificial reefs in the waters of Penyusuk Belinyu, Bangka District. Data collection was conducted by counting the number of individuals of coral genera and their sizes visible through the visual census method. The corals found consist of 3 families and 3 genera of coral: the Subergorgiidae family with the Subergorgia genus, the Carijoidae family with the Carijoa genus, and the Faviidae family with the Favia genus, with a total of 136 individuals found in three observation stations. The coral density values ​​for the 3 stations range between; Subergorgia (0.104-0.677 ind/m2), Carijoa (0.677-1.563 ind/m2), and Favia (0.781-1.146 ind/m2). Environmental parameters affecting coral larval settlement include water flow rate, Total Suspended Solids (TSS), temperature, salinity, brightness, and pH.
Analysis of Fish Catch Diversity Index on Purse Seine Vessels in Indonesia Fisheries Management Area 718 (IFMA-718) Fadli Alfarisi R; Perangin-angin, Robet; Sari, Ratih Purnama; Sugiono; Nurlaela, Eli
Coastal and Marine Journal Vol. 2 No. 1 (2024)
Publisher : Yayasan Serumpun Karang Konservasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61548/cmj.v2i1.47

Abstract

Indonesia Fisheries Management Area 718 (IFMA-718), located in the Arafura Sea, is known for its high marine biodiversity and serves as a strategic fishing ground. However, the lack of fishing gear selectivity in this area poses a significant threat to the sustainability of marine resources. This study aims to evaluate the selectivity of purse seine fishing gear through biodiversity analysis using the Shannon-Wiener diversity index (H’), evenness index (E), and dominance index (C). Data collection was conducted from September 2023 to March 2024 in the Arafura Sea using a 149 GT purse seiner. Catch data were categorized into target species, bycatch, and discards. The results showed that the values of H’ ranged from 0.77 to 1.40, E values were mostly greater than 1, and C values were below 0.5. These findings indicate a high species diversity and evenness, alongside low dominance, suggesting a relatively balanced community structure. However, such diversity also reflects the low selectivity of the fishing gear, which captures both target and non-target species, including demersal and benthic organisms. In conclusion, the purse seine gear used in IFMA-718 is considered to have low selectivity and is potentially harmful to non-target marine ecosystems. This study provides essential insights for improving selective fishing practices and implementing sustainable fisheries management in the region.

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