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All Journal MEDIA KONSERVASI Squalen Bulletin of Marine and Fisheries Postharvest and Biotechnology
Hidayah, Izhamil
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Education Environmental Science Immunology & microbiology

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The Phytosociology of Tree Communities on Two Mounts in Bedugul Highland Tropical Forest, Bali, Indonesia Atmaja, Muhammad Bima; Sutomo; Humaida, Nida; Pujiono, Eko; Saputra, M. Hadi; Sukmawati, Jalma Giring; Hani, Aditya; Iryadi, Rajif; Herningtyas, Wieke; Hadiyan, Yayan; Januar, Hedi Indra; Hidayah, Izhamil
Media Konservasi Vol. 30 No. 2 (2025): Media Konservasi Vol 30 No 2 May 2025
Publisher : Department of Forest Resources Conservation and Ecotourism - IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/medkon.30.2.213

Abstract

The forested regions within the Bedugul highland stand as some of the last remaining tropical mountain rainforests in Bali. However, recent development in Bedugul indicates a surge in mass tourism, posing a threat to its diverse plant life due to increased land-use changes and overpopulation. Hence, this research aimed to ascertain the composition and diversity of tree communities within the Bedugul highland forest, focusing on Mt. Pohen and Mt. Tapak. While Mt. Pohen has a history of disturbances like the establishment of a geothermal power plant and forest fires, Mt. Tapak experiences comparatively less disruption. The methods include species identification, the diversity index calculation, the species composition and abundance, and the similarity analysis between permanent sample plot (PSP) from Mt. Pohen and PSP from Mt. Tapak. The result shows a clear separation in tree species composition and abundance between both PSPs. Some species are only detected at Tapak but absent at Pohen or vice versa. However, Euphorbiaceae is the dominating family in both mounts, as the species are known as pioneer plants that benefit in growth and adaptation to the highland habitat after disturbance. The most abundant species in a one-hectare plot on Mt. Pohen are Crypteronia paniculata and Acronychia trifoliata. While on Mt. Tapak, it appears to be Dendrochnide stimulans. Both mounts are occupied mainly by tree groups with diameters ranging from 10 to 20 cm.
Microplastic Occurrence in Different Fish Organs from Two Coastal Waters in Java Sea, Indonesia Dwiyitno, Dwiyitno; Barokah, Giri Rohmad; Hidayah, Izhamil; Januar, Hedi Indra; Wibowo, Singgih
Squalen, Buletin Pascapanen dan Bioteknologi Kelautan dan Perikanan Vol 19, No 2 (2024): August 2024
Publisher : :Agency for Marine and Fisheries Research and Human Resources, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/squalen.941

Abstract

Plastic debris and microplastic (MP) have been associated with marinepollution. The present study aimed to assess the MP accumulation in differentorgans (gut and gill) of 6 economically important fish species from twoessential coastal areas, Jakarta Bay and Cirebon Bay. MP was isolated withNaCl, followed by the identification of MP profiles with digital microscope andFourier Transform Infrared Spectroscopy (ATR-FTIR), respectively. The resultshowed that MP was found in all samples. Generally, MP concentration in fishfrom Cirebon Bay was slightly higher than that from Jakarta Bay, with benthicspecies more concentrated than pelagic fish in both sites. Microplastic wasmore concentrated on the gill of fish from Jakarta Bay, in contrast withCirebon Bay. The predominantly MP in Jakarta Bay fish was fiber, while in CirebonBay was fragmented with minor granule and film in both locations. Polyethylene(PE), polyvinyl chloride (PVC), and polypropylene (PP) were the most dominantMP in the fish samples from both study areas. Microplastic size showed thatthe majority (65%) was the small size (1 mm), compared to the biggerone (1-5 mm), while blue, black, and red are the predominantly MP colors.This research supports the need to minimize plastic pollution in aquaticecosystems to tackle the detrimental impact of MP accumulation to fish andhuman health. It is suggested to compare MP profiles on fish samples and inwater or sediment compartments and identify the chemical constituents ofMP.
Spatio-Seasonal Habitat Suitability Model of Anisakis spp. in Chub Mackerel (Scomber Japonicus) as a Scientific-Based Approach to Provide Safety Assessment Policy of Fisheries Product in Indonesia Hidayah, Izhamil; Sutomo, Sutomo; Pujiono, Eko; Saputra, Muhammad Hadi; Humaida, Nida; Januar, Hedi Indra; Anggraeni, Yusnita Mirna; Puspasari, Herti Windya; Triwibowo, Radestya; Rachmawati, Novalia; Iswani, Sri; Yennie, Yusma; Santoso, Agung
Squalen, Buletin Pascapanen dan Bioteknologi Kelautan dan Perikanan Vol 18, No 3 (2023): December 2023
Publisher : :Agency for Marine and Fisheries Research and Human Resources, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/squalen.804

Abstract

The infestation of Anisakis spp. in Chub mackerel (Scomber japonicus) may have significant health and socioeconomic implications. Understanding the spatio-seasonal occurrence of Anisakis spp. in its host, S. japonicus, is crucial ecologically and for effective management. This research aimed to develop a predictive map (spatial-seasonal patterns) for Anisakis’s infestation in S. japonicus using the maximum entropy (MaxEnt) algorithm. Anisakis spp. and S. japonicus occurrences were obtained through a comprehensive Bibliographic analysis of the Scopus database (2017-2022) and the Ocean Biodiversity Information System (OBIS) database to collect the necessary data. Environmental predictors were sourced from the Global Marine Environment Data. The resulting model demonstrated a reliable performance, as indicated by an Area Under Curve (AUC) value on the Receiver Operating Characteristic (ROC) chart exceeding 0.8. The findings of this study revealed that the infestation of Anisakis spp. in S. japonicus is projected to be more prevalent during the fourth quarter of each year. Furthermore, the environmental factors influencing the infestation were identified as diffuse attenuation, water depth, and distance from the coast. These research outcomes can be a foundational reference for developing an effective control system for inspecting fresh or frozen fish within the quarantine department. By utilizing the spatial-seasonal patterns and environmental predictors identified in this study, authorities can implement targeted measures to prevent and mitigate the infestation of Anisakis spp. in S. japonicus, safeguarding public health and maintaining the quality of fish products.
Co-Authors Aditya Hani Agung Santoso, Agung Atmaja, Muhammad Bima Barokah, Giri Rohmad Dwiyitno Dwiyitno Eko Pujiono Hadiyan, Yayan HEDI INDRA JANUAR Herningtyas, Wieke Humaida, Nida Iryadi, Rajif Iswani, Sri Puspasari, Herti Windya Rachmawati, Novalia Saputra, M. Hadi Saputra, Muhammad Hadi Singgih Wibowo, Singgih Sukmawati, Jalma Giring SUTOMO Sutomo Sutomo Triwibowo, Radestya Yusma Yennie, Yusma Yusnita Mirna Anggraeni