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All Journal BULETIN OSEANOGRAFI MARINA Jurnal Pendidikan Biologi Undiksha Research Journal of Life Science Journal of Aquatropica Asia Aquasains : Jurnal Ilmu Perikanan dan Sumberdaya Perairan Bawal : Widya Riset Perikanan Tangkap Samakia: Jurnal Ilmu Perikanan Advances in Tropical Biodiversity and Environmental Sciences PENA AKUATIKA : JURNAL ILMIAH PERIKANAN DAN KELAUTAN Juvenil: Jurnal Ilmiah Kelautan dan Perikanan Jurnal Media Akuakultur Indonesia Jurnal Perikanan
Made Dwipa Kusuma Maharani
Fisheries Biotechnology, Faculty Of Mathematics And Natural Sciences, Ganesha University Of Education
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Education Environmental Science Immunology & microbiology Medicine & Pharmacology Social Sciences Veterinary Other

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Pemantauan Kualitas Air: Analisis Logam Berat Timbal (Pb) dan Kadmiun (Cd) Guna Mendukung Kegiatan Perikanan Berkelanjutan di Perairan Jembrana, Bali Maharani, Made Dwipa Kusuma; Prasetia, I Nyoman Dodik; Wulandari, Dewi; Amelia, Jasmine Masyitha; Sitepu, Gressty Sari Br
Samakia : Jurnal Ilmu Perikanan Vol 15 No 2 (2024): Samakia: Jurnal Ilmu Perikanan
Publisher : Faculty of Science and Technology University Ibrahimy

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35316/jsapi.v15i2.4621

Abstract

The purpose of this research was to identify heavy metals in Jembrana waters and analyze water quality to determine water fertility. This study used direct observation and quantitative descriptive. Primary production, biological chemical physical parameters, and heavy metal data were collected in this study. The results showed that Jembrana waters had the highest primary productivity value of 1051.01 mgC/m3/day and the lowest value of 112.61 mgC/m3/day. Water quality in Jembrana is considered quite good. The results of this study showed that the water conditions at the observation site remained stable and within the tolerance limits for marine biota. This is due to the fact that during the sampling period, there was no significant activity from fishermen and local residents. Observations of heavy metals lead and cadmium at the study site showed that some stations exhibited values that exceeded the threshold, but these values were still acceptable for the waters. The heavy metal levels at the stations exceeded the threshold due to sewage effluents from companies and ships in the local harbor.
Analisis Potensi Minawisata Dikawasan Pesisir Desa Bondalem Buleleng Bali Wulandari, Dewi; Prasetia, I Nyoman Dodik; Maharani, Made Dwipa Kusuma; Amelia, Jasmine Masyitah; Sitepu, Gressty Sari Br; Sutikno, Bambang; Wafi, Abdul
Samakia : Jurnal Ilmu Perikanan Vol 15 No 2 (2024): Samakia: Jurnal Ilmu Perikanan
Publisher : Faculty of Science and Technology University Ibrahimy

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35316/jsapi.v15i2.5174

Abstract

Geographically, Buleleng Regency in North Bali has high potential coastal resources, with a coastline length reaching 157.05 km. Bondalem Village is in Tejakula District, Buleleng Regency, in the northern part of the Island of the Gods. The condition of the coral reefs in the Bondalem Waters area is categorized as very good, with coral reef cover percentages ranging from 65.93% to 81.33%. Besides having potential for diving tourism, Bondalem Village also boasts cultural attractions and local artistic wisdom. The purpose of this research is to identify the minatourism potential in Bondalem Village from the social aspect of the community. This research uses a descriptive quantitative method. The research process begins with the preparation of a proposal and the drafting of a questionnaire, followed by data collection, data processing, and data testing before drawing conclusions from the research activities. Based on research conducted on the potential of minatourism from the social aspect of the community in Bondalem Village, Buleleng, Bali, it is concluded that Bondalem Village in North Bali, specifically in Buleleng Regency, has minatourism potential that can be developed based on cultural, economic, and environmental assessments. The analysis of cultural, economic, and environmental aspects influencing minatourism potential, based on interviews with respondents, yielded scores of 3.253, 3.256, and 3.220, respectively, indicating that respondents support the development of minatourism potential in Bondalem Village from these aspects. This research is expected to provide useful input for various parties, especially the government, the Bondalem Village authorities, and researchers, to jointly support sustainable minatourism development.
PENGARUH PENAMBAHAN PROBIOTIK Lactobacillus sp. PADA PAKAN PELET TERHADAP PERTUMBUHAN IKAN KERAPU CANTANG (Epinephelus fuscoguttatus >< Epinephelus lanceolatus) Yani, Kadek Linda; Marantika, Alexander Korinus; Maharani, Made Dwipa Kusuma
Journal of Aquatropica Asia Vol 10 No 1 (2025): Journal of Aquatropica Asia
Publisher : Program Studi Akuakultur, Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/joaa.v10i1.6274

Abstract

The demand for Cantrang hybrid grouper (Epinephelus fuscoguttatus × Epinephelus lanceolatus) continues to increase, prompting various efforts to improve its productivity. One of the main challenges in hybrid grouper aquaculture is the provision of high-quality feed, which is a crucial factor for the success of cultivation activities. This study aimed to evaluate the effect of adding Lactobacillus sp. probiotics to pellet feed on the growth performance of hybrid grouper. The research was conducted at the Center for Marine Aquaculture Research and Fisheries Extension (BBRBLPP) in Gondol, Bali. A completely randomized design (CRD) was used with four treatments and three replications: Treatment K (pellets without probiotics), Treatment A (5 g/kg probiotics), Treatment B (10 g/kg probiotics), and Treatment C (15 g/kg probiotics). Data were analyzed using one-way ANOVA followed by Tukey’s post-hoc test. The results showed that Treatment B (10 g/kg probiotics) yielded the best outcomes, with an average length increase of 2.08 cm, weight gain of 2.6 g, feed conversion ratio (FCR) of 0.9, and 100 % survival rate. Based on these findings, it is recommended to use Lactobacillus sp. probiotics at a dose of 10 g/kg feed to improve growth, reduce feed conversion ratio, and enhance fish survival.
WATER QUALITY ASSESSMENT ON THE COAST OF DESA MUSI, KECAMATAN GEROKGAK, BALI Amelia, Jasmine Masyitha; Maharani, Made Dwipa Kusuma
Aqusains: Jurnal Ilmu Perikanan dan Sumberdaya Perairan Vol. 13 No. 1 (2024): November 2024
Publisher : Jurusan Perikanan dan Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/aqs.v13i1.p1596-1604

Abstract

The northern coast of Bali possesses significant natural resource potential, particularly in Desa Musi, Kecamatan Gerokgak, which serves as a site for fish and seaweed cultivation managed by the local communities. However, some of these aquaculture activities lack adequate wastewater management systems. This study aimed to evaluate the water quality along the coast of Desa Musi, Kecamatan Gerokgak, Bali. A quantitative descriptive approach was employed, with purposive sampling conducted at selected locations along the coastal area. The water quality parameters assessed included salinity, pH, temperature, phosphate, ammonia, lead, and cadmium concentrations. The findings revealed that the coastal waters of Desa Musi generally support marine biota. However, the concentrations of lead and cadmium exceed the threshold values stipulated by Kep-51/MenKLH/2004. These results underscore the need for regular water quality management and monitoring to ensure environmental sustainability and support the livelihoods of the local community.Keywords: Coastal ecosystems, environmental monitoring, heavy metals.
KAJIAN KARAKTERISTIK BIOLOGI IKAN SIDAT (Anguilla bicolor ) YANG TERTANGKAP DI PERAIRAN KOTA BENGKULU Wardani, Firdha Iresta; Lestari, Dian Fita; Sugara, Ayub Fita; Agustini, Nella Tri; Nabiu, Nur Lina Maratana; Maharani, Made Dwipa Kusuma
BAWAL Widya Riset Perikanan Tangkap Vol 16, No 3 (2024): Desember 2024
Publisher : Politeknik Kelautan dan Perikanan Sorong

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/bawal.16.3.2024.124 - 135

Abstract

Sidat merupakan ikan katadromus yaitu ikan yang memiliki fase dewasa berada di sungai atau danau tetapi setelah matang gonad akan beruaya ke laut lepas dan memijah disana. Perjalanan yang jauh dan membutuhkan waktu yang lama dengan berbagai rintangan. Sidat memiliki gizi yang tinggi yang kaya akan permintaan akan ekspor. Permintaan yang tinggi juga berdasal dari budidaya pembesaran sidat yang meningkatkan penangkapan sidat akan benih dari alam. Tujuan penelitian ini adalah memberikan gambaran karateristik biologi dan penangkapan ikan sidat di beberapa sungai di Kota Bengkulu. Karateristik yang dimaksud adalah distribusi panjang, hubungan panjang berat, nisbah kelamin, gambaran gonad ikan sidat, indeks kematangan gonad dan indeks hati. Hasil penelitian menunjukan distribusi panjang ikan sidat terbesar berasal dari Sungai Muara Jenggalu dan yang terkecil dari Sungai Hitam. Pola pertumbuhan berbeda tiap lokasi sungai yaitu allometrik negatif untuk ikan yang berasal dari Sungai Hitam dan Muara Bangkahulu. Pola pertumbuhan isometrik didapatkan dari lokasi Muara Jenggalu. Nisbah kelamin yang ada didominasi oleh ikan yang intersex. Indeks kematangan gonad dan indeks hati menunjukan trend kenaikan berat hati mengikuti tren pertumbuhan panjang.
Heavy Metal Controls in Cultivated and Natural Sea Grape (Caulerpa Lentilifera) Purenji , Aura Ramadhanti; Antara, Kadek Lila; Maharani, Made Dwipa Kusuma
Jurnal Media Akuakultur Indonesia Vol 3 No 2 (2023): Indonesian Journal of Aquaculture Medium
Publisher : Program Studi Budidaya Perairan Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/mediaakuakultur.v3i2.2451

Abstract

Seaweed commodities are one of the products in the fisheries and marine sector that has the potential to be developed. One type is sea grape or commonly known as Caulerna lentillifera which is very widely spread in waters throughout Indonesia. This research method is descriptive quantitative, this research was conducted to determine the heavy metal content in natural sea grapes and cultivated sea grapes. The research procedure consisted of pre-research process to observation and checking of heavy metal content. The results of research on heavy metal content of cultivated sea grapes get good results, while for nature there are levels of heavy metals Pb so it can be said that it is not very good. The results of measuring the length of ramuli in the first week was 3.3 cm, the second week was 4.4 cm then increased in length in the third week to 5.8 cm, and ended in the fourth week with an increase in length of 6.9 cm. The results of the calculation of the number of ramuli in week 1 showed that the average number of ramuli was 12, the average number of ramuli in the first week increased to 14 in the second week and increased in the third week to 17 then ended in the fourth week with an average of 19 ramuli. The quality of water used in the cultivation of sea grapes in Musi Village and natural sea grapes is still in normal status.
Co-Authors Abdul Wafi Alexander Korinus Marantika Amelia, Jasmine Masyitah Asus Maizar Suryanto H Aura Ramadhanti Purenji Dewi Wulandari Dewi Wulandari Dewi Wulandari Firdha Iresta Wardani Gede Ari Yudasmara Gede Iwan Setiabudi Gressty Sari Br Sitepu Gressty Sari Br Sitepu Hendra Cahyono I Nyoman Dodik Prasetia I Nyoman Dodik Prasetia I Nyoman Suardana Jasmine Masyitha Amelia Kadek Lila Antara Kadek Lila Antara Lestari, Dian Fita Merliana Yosi Waqidah Nuraini Muhammad Musa Muhammad Sumsanto Muhammad Sumsanto Nella Tri Agustini, Nella Tri Nur Lina Maratana Nabiu Purenji , Aura Ramadhanti Putu Yogi Saputra Sugara, Ayub Fita Sutikno, Bambang Yani, Kadek Linda