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All Journal Jurnal Ilmu Pertanian Indonesia Jurnal Perikanan Kelautan Jurnal Akuatika Indonesia Jurnal Biodjati JFMR (Journal of Fisheries and Marine Research) Omni-Akuatika BULLETIN OF THE MARINE GEOLOGY Jurnal Biologi Tropis Jurnal Laut Khatulistiwa Al-Khidmah Jurnal Geologi Kelautan: Media Hasil Penelitian Geologi Kelautan IJPD (International Journal Of Public Devotion) Journal of Community Development Barakuda 45 Manfish Journal Jurnal Indonesia Mengabdi (JIM) Oseanologia
Yusuf Arief Nurrahman
Department Of Marine Science, Faculty Of Mathematic And Natural Science, Universitas Tanjungpura, Prof. Dr. H. Hadari Nawawi Street 78124, West Kalimantan, Indonesia
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Kondisi Tutupan Terumbu Karang di Pulau Panjang Taman Nasional Kepulauan Seribu, DKI Jakarta Yusuf Arief Nurrahman; Ibnu Faizal
Akuatika Indonesia Vol 5, No 1 (2020): Jurnal Akuatika Indonesia (JAkI)
Publisher : Direktorat Sumber Daya Akademik dan Perpustakaan Universitas Padjadjaran, Grha. Kandaga (P

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/jaki.v5i1.26964

Abstract

Penelitian ini bertujuan untuk mengetahui kondisi komunitas terumbu karang di Pulau Panjang, Kepulauan Seribu. Pengambilan data primer dilaksanakan pada bulan November 2016 dan data sekunder didapat dari penelitian lain di lokasi yang sama. Metode yang digunakan dalam penelitian ini adalah Transek Foto Bawah Air atau Underwater Photo Transect (UPT). Data lapangan berupa foto kemudian dianalisis dengan menggunakan perangkat CPCe atau Coral Point Count with excel extension untuk mengetahui kondisi terumbu karang di lokasi penelitian. Berdasarkan hasil pengamatan, kondisi komunitas terumbu karang di lokasi penelitian termasuk dalam kondisi cukup baik namun kategori kerusakannya adalah rusak sedang.
A BASELINE STUDY ON MACROZOOBENTHOS ASSEMBLAGES IN PASIR ISLAND Fiddy Semba Prasetiya; Yusuf Arief Nurrahman; Sheila Zalessa; Sri Astuty; Indah Riyantini; Ibnu Faizal
JFMR (Journal of Fisheries and Marine Research) Vol 4, No 2 (2020): JFMR VOL 4. NO.2
Publisher : JFMR (Journal of Fisheries and Marine Research)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jfmr.2020.004.02.7

Abstract

Biodiversity of macrozoobenthos in Pasir Island, Brebes, is under-explored. On the other hand, the baseline information regarding macrozoobenthos is essentially required for better future environmental management. This research aims to analyze macrozoobenthos community structure in the Pasir Island that has not been documented. Surveys were carried out in the rainy season. In this study, a total of 10 sampling locations were classified into two different groups that represent “control” and “disturbed” station. The main structural parameters of the macrozoobenthos identified at each station were specific richness (S), abundance (number of individuals m-2, N) and the Pielou’s index (J). Additionally, the pairwise comparison between groups was conducted by using analysis of similarity (ANOSIM) and the similarity percentage (SIMPER) to obtain the description of community structure. A total of 1054 specimens were counted from the “control” and “disturbed” stations. These specimens belonged to five animal classes, namely, Bivalvia, Gastropoda, Malacostraca, Cephalopoda and Echinoidea. ANOSIM and SIMPER analysis demonstrated that a significant difference was found between “control“ and  “disturbed“ stations with the percentage of dissimilarity value of 88.82%. In addition, environmental variables such pH, salinity and type of substrates contributed significantly to this difference. This result provides insight regarding macrozoobenthos diversity and ecological information that may contribute to further conservation management in the Pasir Island, Indonesia.
A Survey of Macrozoobenthos Assemblages in a Tropical Mangrove Estuary in Brebes, Java Island Sheila Zallesa; Indah Riyantini; Sri Astuty; Yusuf Arief Nurrahman; Ibnu Faizal; Sulastri Arsad; Marine K Martasuganda; Fiddy Semba Prasetiya
Journal Omni-Akuatika Vol 16, No 1 (2020): Omni-Akuatika May
Publisher : Fisheries and Marine Science Faculty - Jenderal Soedirman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.oa.2020.16.1.754

Abstract

The mangrove forest in Brebes is one of the mangrove areas that were degraded due to abrasion and excessive logging in the North Coast of Java Island, Indonesia. This research aimed to analyze macrozoobenthos community structure in the mangrove forest that has not been documented. Surveys were carried out in the rainy season. In this study, a total of 10 sampling locations were divided into two different groups that represent “control” (station) and “disturbed” sites. The main structural parameters of the macrozoobenthos identified at each station were specific richness S (number of species), abundance N (number of individuals.m-2), the Shannon-Wiener index N1. A total of 346 specimens were counted from the two different stations (“control” and “disturbed”). These specimens were belonged to five animal classes, namely, Bivalvia, Gastropod, Malacostraca, Polychaeta, Cephalopoda. Pairwise comparison of the site groups with one-way analysis of similarity (ANOSIM) was not significant for between “control” and “disturbed” groups (p=0.062), where the average dissimilarity between the two stations was 88.42%. This result provides macrozoobenthos diversity and ecological information that may contribute to further conservation management in the mangrove forest in Brebes, Indonesia.
Usaha Peningkatan Kualitas Lingkungan dan Keterampilan Masyarakat Melalui Pelatihan Pembuatan Cairan Enzim dari Limbah Organik Rumah Tangga di Kecamatan Teluk Batang Kabupaten Kayong Utara Agus Yuliono; Yusuf Arief Nurrahman; Shifa Helena; Ikha Safitri
Al-Khidmah Vol 4, No 2 (2021): AL-KHIDMAH (Desember)
Publisher : Universitas Muhammadiyah Pontianak

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29406/al-khidmah.v4i2.3133

Abstract

Eko enzim adalah cairan hasil fermentasi limbah organik berupa kulit/daging buah-buahan dan sayuran dengan menggunakan substrat gula aren atau sari tebu (molase) dan air dengan perbandingan 3 : 1 : 10, selama waktu 3–6 bulan. Enzim yang dihasilkan berupa cairan kental berwarna coklat tua dan bau asam yang kuat. Enzim ini memiliki manfaat yang besar terhadap lingkungan baik udara maupun tanah, serta manfaat ekonomi bagi keluarga. Kegiatan Pengabdian pada Masyarakat (PKM) berupa pelatihan pembuatan eko enzim dari limbah sayur dan buah-buahan dilakukan pada masyarakat Kecamatan Teluk Batang Kabupaten Kayong Utara bertujuan untuk mengedukasi masyarakat khususnya ibu rumah tangga dalam mengeliminir pembuangan limbah dapur ke lingkungan yang dapat terakumulasi sehingga menyebabkan kerusakan lingkungan udara dan tanah, bahkan kadang menghambat saluran air pembuangan yang pada akhirnya dapat menyebabkan banjir saat musim hujan tiba. Kegiatan pelatihan dilakukan secara offline dengan mematuhi protokol kesehatan secara ketat. Kegiatan ini diikuti oleh 15 orang yang terdiri dari ibu rumah tangga, dengan metode edukasi melalui ceramah tentang manfaat enzim dari limbah organic sayuran dan buah-buahan serta praktek membuat eko enzim dari limbah rumah tangga yang masing-masing dibawa dari rumah untuk difermentasi. Antusiasme dan perhatian peserta dalam mengikuti kegiatan pelatihan ini sangat besar, terindikasi dari kemampuannya menjawab pertanyaan-pertanyaan post test yang diberikan oleh tim pelaksana setelah sebelum kegiatan diberikan pre test dengan kontent pertanyaan yang sama, peningkatan pengetahuan peserta dari yang rata-rata 30% menjadi 90-100%. Karena pelaksanaan pembuatan enzimnya dilakukan pada 19 Agustus 2021, cairan enzim dari proses fermentasi ini dapat dipanen pada 30 hari kemudian.
STATISTICAL PARAMETERS ANALYSIS OF SEDIMENT GRAIN SIZE FROM RAYA RIVER BENGKAYANG REGENCY, WEST BORNEO Muhardi Muhardi; Yusuf Arief Nurrahman; Risko Risko; Muliadi Muliadi; Kanti Rahayu; Heni Susiati
BULLETIN OF THE MARINE GEOLOGY Vol 36, No 2 (2021)
Publisher : Marine Geological Institute of Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32693/bomg.36.2.2021.726

Abstract

The study of the statistical analysis parameters of grain size in the waters of Sungai Raya was carried out in order to understand the characteristic of the sediment in the river and coastal areas. The grain size by sieving method, and analyze the statistical parameters including the average grain size, sorting, skewness, and kurtosis. Sediment samples were acquired from six stations with each station consisting of three sampling points representing river west bank, river midstream, river east bank, and the coastal area consisting of five stations. The results of the sediment analyses showed that the average grain size in the river ranges from 1.23 to 2.77 mm, and on the beach area is between 1,52 - 2,59 mm, classified as fine sand, medium sand, very fine sand, and coarse sand with predominant fine sand in all stations. The results of the statistical parameter analysis of the grain size of the bottom sediment in the waters of Sungai Raya exhibit the average diameter value ranging from 1.23 to 2.77 mm, classified as  fine sand to medium sand. This value indicates that the type of sediment in this location is dominated by silt with grain sizes ranging from < 0.05 - 0.002 mm. The sorting value ranges from 0.14 to 1.59 mm, categorized into moderately sorted, moderately well-sorted, very well sorted, and poorly sorted classes. The average value of skewness is 2.17 with the classification of the bed load being very fine and kurtosis value ranges from 0.72 to 1.67 indicates the classification in these waters is platycuric, mesokurtic, leptokurtic, and very leptokurtic. These finding concluded that in the study area there is a variation in the angularity of the sediment grains due to the different hydrodynamic processes
Transformation of Rucah Fish Processing Into Nuggets in Setapuk Besar Village Singkawang City Sukal Minsas; Warsidah Warsidah; Mega Sari Juane Sofiana; Yusuf Arief Nurrahman; Arie Antasarie Kushadiwijayanto; Dwi Imam Prayitno; Sy Irwan Nurdiansyah
International Journal of Public Devotion Vol 5, No 2 (2022): August - December 2022
Publisher : STKIP Singkawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26737/ijpd.v5i2.3646

Abstract

Fish nugget is a type of fishery product processing that has a long shelf life at cold or frozen temperatures. The presentation is more practical, tastes more savory and is liked by children and adolescents, so it can be used to meet the nutritional needs of the family. The implementation of this PKM activity aims to provide training to the people of Setapuk Besar, Singkawang City, in processing trash fish fisheries waste into nuggets, with the addition of Eucheuma cottonii pulp as a partial substitute for wheat flour. This activity is carried out offline while still paying attention to and strictly implementing health protocols such as wearing masks and using hand sanitizers. The activity was attended by 20 participants consisting of members of the Setapuk Besar Village Family Welfare Development (PKK) divided into 3 working groups. This PKM activity was carried out using the lecture method followed by a demonstration of making nuggets. Monitoring and evaluation of the activities carried out during the activity showed the ability of the 3 groups of PKK mothers to process trash fish waste into frozen food nuggets based on variations in the concentration of 0, 25 and 50 g E. cottoni pulp. The results of the nugget-making activity for PKK women in Setapuk Besar village, showed that the addition of 0.25 g of E. cottoni pulp provided a better consistency of the dough and texture of processed nuggets, as well as a more savory taste.
Nutritional Value of Gastropod Cassidula from the Mangrove Area of Desa Bakau, Sambas Regency, West Kalimantan Oktavia; Warsidah; Ikha Safitri; Mega Sari Juane Sofiana; Apriansyah; Yusuf Arief Nurrahman
Jurnal Biologi Tropis Vol. 23 No. 1 (2023): January - March
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v23i1.4511

Abstract

Desa Bakau is located in Sambas Regency, West Kalimantan which has the potential for mangrove forests with an area of ± 305 Ha. Ecologically, mangrove forests have various roles, one of them is as a habitat for various types of aquatic biota, including gastropods. Several gastropods have important economic value for the community as food and medicine. The local community catches and consumes the mangrove gastropods. As a food ingredient, gastropods have a high nutritional content and essential macro minerals. Gastropods can be used as an alternative source of animal protein at an affordable price. This study aimed to determine the nutritional value of the gastropod Cassidula from the mangrove area of Desa Bakau, Sambas Regency, West Kalimantan. Quantitatively, nutrient content such as protein, carbohydrates, fat, moisture, and ash content were determined according to the AOAC (2005) standard method, whereas macro minerals content (Na, K, Mg, Ca, and P) was carried out according to the AOAC method (2016) using Atomic Absorption Spectroscopy (AAS). The result showed that Cassidula had a protein content (57.02%) with the highest value compared to other types of nutrients. In addition, Cassidula also contained an essential macro mineral, such as calcium (37.0006 mg/kg) with the highest value followed by sodium (21.7364 mg/kg), respectively. The results showed that Cassidula can be used as an alternative food ingredient for human.
PEMETAAN LUAS TUTUPAN LAHAN MANGROVE MENGGUNAKAN CITRA SATELIT LANDSAT-8 DI MEMPAWAH MANGROVE PARK (MMP) Lorensius Sumarno Oci; Arie Antasari Kushadiwijayanto; Yusuf Arief Nurrahman
Oseanologia Vol 1, No 1 (2022): APRIL
Publisher : Program Studi Ilmu Kelautan FMIPA Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jose.v1i1.51948

Abstract

Mempawah Mangrove Park (MMP) memiliki potensi untuk dikembangkan menjadi kawasan wisata hutan mangrove, oleh sebab itu informasi mengenai luasan batasan ekowisata hutan mangrove di MMP ini sangat pening. Penelitian ini bertujuan untuk memetakan dan mengetahui luas tutupan lahan kawasan hutan mangrove di MMP Desa Pasir Kanupaten Mempawah. Pemetaan dilakukan menggunakan cira Landsat-8 dan diikuti dengan ground check. Penentuan titik koordinat ground check menggunakan Global Positioning System (GPS). Hasil pengeceka lapangan (ground check) menunjukkan bahwa luasan hutan mangrove yang berada di MMP seluas (45,11 Ha). Terdapat 4 kelas tutupan lahan mangrove di MMP yaitu hutan mangrove sekunder (36,57 Ha) dengan persentase (81%), hutan pantai (7,85 Ha) dengan persentase (17%), perkebunan (0,27 Ha) dengan persentase (0,21%) dan lahan terbuka (0,42 Ha) dengan persentase (0,94%). Berdasarkan kerapatan hutan mangrovenya, MMP dapat dibagi menjadi 2 kelas kerapatan yaitu kerapatan rapat sebesar (34,35 Ha) dengan persentase (76,13%) dan kerapatan jarang sebesar (10,77 Ha) dengan persentase sebesar (23,87%).
Struktur Komunitas Kepiting Bakau di Kawasan Mangrove Desa Sungai Nibung, Kabupaten Kubu Raya, Kalimantan Barat Thasya, Rafaela; Nurdiansyah, Syarif Irwan; Nurrahman, Yusuf Arief
Jurnal Laut Khatulistiwa Vol 6, No 2 (2023): July
Publisher : Dept. Marine Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/lkuntan.v6i2.64637

Abstract

Penelitian ini bertujuan untuk mengetahui struktur komunitas kepiting bakau dan parameter kualitas perairan yang terdapat di kawasan hutan mangrove Desa Sungai Nibung, Kabupaten Kubu Raya, Provinsi Kalimantan Barat. Metode yang digunakan pada penelitian ini adalah metode Catch Per Unit Effort (CPUE). Metode dilakukan dengan menghitung jumlah sampel kepiting bakau yang tertangkap dalam setiap upaya penangkapan. Penangkapan dilakukan sebanyak 4 kali dalam rentang waktu seminggu sekali selama sebulan. Hasil yang di dapat menunjukkan terdapat tiga jenis kepiting bakau yang berada pada kawasan mangrove Desa Sungai Nibung yaitu S. serrata, S. tranquebarica, dan S. olivacea. Hasil kepadatan relatif kepiting bakau yaitu 19,59% untuk jenis S. serrata, 75,71 % untuk jenis S. tranquebarica, dan 4,69% untuk jenis S. olivacea. Nilai indeks komunitas adalah indeks keeanekaragaman 0,674, indeks keseragaman 0,613, dan indeks dominansi 0,614. Keseluruhan indeks komunitas masuk ke dalam kategori sedang. Kualitas perairan kawasan mangrove Desa Sungai Nibung masuk ke dalam kategori sedang dan layak untuk menjadi habitat tempat kepiting bakau melakukan perkembangbiakan.
MAPPING CORAL REEF AREA OF KABUNG ISLAND USING SATELLITE IMAGERY Sari, Sherin Sastia; Nurrahman, Yusuf Arief; Helena, Shifa
Jurnal Laut Khatulistiwa Vol 5, No 2 (2022): July
Publisher : Dept. Marine Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/lkuntan.v5i2.55205

Abstract

Kabung Island is located in Bengkayang Regency, West Kalimantan. Kabung Island has a small area but has wealth and beauty that can attract tourists to come for a tour, one of which is the beauty of coral reefs. Monitoring the condition of coral reefs can be done in various ways. The utilization of remote sensing with different satellite images can monitor coral reefs in a wide area. This study aimed to create a map of the location of coral reefs on Kabung Island using medium resolution and high-resolution images. This study uses primary data, which specific methods will then process. The data are Sentinel-2 MSI Level 2A Satellite Imagery for mediumresolution image data and Birds Eye Satellite Imagery for high resolution imagery. The results of the classification of Bird Eye images obtained that the area of each class is the area of live coral on Kabung Island of 1.969 ha, dead coral of 1.1521 ha and sand or substrate of 1.7451 ha. It can be seen that the live coral class dominates in the shallow marine bottom habitat on Kabung Island, while the dead coral has the lowest area. The accuracy of test results obtained in this study was 93.4%.
Co-Authors . Apriansyah A.A. Ketut Agung Cahyawan W Akbar, Farizki Anyim, Martien Apriansyah Arie Antasari Kushadiwijayanto Arie Antasarie Kushadiwijayanto Armanto, Armanto Bariah, Anisah Enjella, Enjella Fachrul Rozy Faizal, Ibnu Fajarriady, Muhammad Rizki Fiddy Semba Prasetiya Fiddy Semba Prasetiya Ginting, Madi Juna Permalem Gunawan, Topang Guntara, Erda Harianto Harianto Harianto Helena, Shifa Heni Susiati Hertadi, Rizky Ibnu Faizal Ikha Safitri Indah Riyantini Indah Riyantini Indah Riyantini Jevriono, Jevriono Jordy, Roy Kanti Rahayu Kushadiwijayanto, Arie Antasari Kusumardana, Setra Lestari, Putri Riya Lorensius Sumarno Oci Marine K Martasuganda Mega Sari Juane Sofiana Meidiantino, Stefans Minsas, Sukal Muhardi Muliadi Muliadi Muliadi Nadiansyah, Nadiansyah Nora Idiawati Nurcahyanto, Taufik Nurdiansyah, Sy. Irwan Nurdiansyah, Syarif Irwan Oktavia Oktavianty, Novi Dwi Otong Suhara Djunaedi Palias, Berdya Diatn Pamenang, Unggul Pangestu, Nugraha Jaya Pratama, Muhammad Rizky Prayitno, Dwi Imam Prayogo, Dimas Arkan Ramadhan, Helmi Rhedyanto, Teodorus Rini, Marini Risko, Risko Rita Rostika Riza Adriat Rofi'ah, Khairunnisa Rudiyanto Rudiyanto, Rudiyanto Rusli, Muhammad Abdul Rasyid Saputra, Dicky Wahyuda Sari, Sherin Sastia Shah, Muhar Dian Sheila Zalessa Sheila Zallesa Sri Astuty Sri Astuty Sri Astuty Subarni, Seri Sukal Minsas Sukal Minsas Sulastri Arsad Sumarni, Goreti Sundari, Nova Surya Darma Sy Irwan Nurdiansyah Thasya, Rafaela Tia Nuraya Venansius, Venansius Wardhana, Muhammad Ridwan Septian Warsidah Warsidah Warsidah Warsidah, Warsidah Yuliono, Agus Zalessa, Sheila Zulfian Zulfian