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Rhojim Wahyudi
Program Studi Ilmu Kelautan Fakultas Pertanian Universitas Mataram
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Distribution of Marine debris in Coral Reef Ecosystems on Mules Island, Sawu Marine National Park Idris Idris; Fakhrurrozi Fakhrurrozi; Desna Bagus Suhendar; Akbar Rochyadi; Rhojim Wahyudi; Chandrika Eka Larasati
Jurnal Biologi Tropis Vol. 23 No. 2 (2023): April-June
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.v23i2.4618

Abstract

Mules Island and its surroundings are included in the Savu Sea National Park (TNP) area and administratively included in the Manggarai Regency, East Nusa Tenggara Province (NTT). The waters of the area have a high potential for coral reef ecosystem resources and are important support for the marine life. However, the current condition of anthropogenic pressure continues to increase due to an increase in the number of people living on the coast and small islands. One of the pressures that are currently a big issue is the existence of marine debris, where studies related to its impact and distribution on coral reef ecosystems are still very few. The purpose of this study was to determine the distribution and types of marine debris in the coral reef ecosystem on Nucamolas Island and its surroundings. Observations were made on 1-3 November 2021 at 12 stations. The research method used is the belt transect method with an area of 500 m2. Data collection was assisted by SCUBA diving equipment at a depth of 5-7 m on the coral reef flat. The results of this study found that the dominant marine debris in the coral reef ecosystem was organic waste (64.3%) and a group of macro debris (71,4%). Based on the type, the dominant species found were logs (37%), which physically damaged the coral, especially when currents and waves were moving. The distribution of marine debris at the study site was only found at 8 stations while the other 4 were not found.
PEMANFAATAN PERALATAN PENGOLAHAN IKAN BERBENTUK MESIN UNTUK PENINGKATAN KAPASITAS PRODUKSI PADA KELOMPOK PENGOLAH DAN PEMASAR IKAN DI KAWASAN KONSERVASI PERAIRAN TWP GILI MATRA Soraya Gigentika; Sitti Hilyana; Saptono Waspodo; Paryono Paryono; Muhammad Sumsanto; Martanina Martanina; Rowi Ashari; Lalu Ferdi Alfarisi Murdin; Sadikin Amir; Nurliah Nurliah; Ayu Adhita Damayanti; Ibadur Rahman; Chandrika Eka Larasati; Mahardika Rizqi Himawan; Edwin Jefri; Wiwid Andriyani Lestariningsih; Rhojim Wahyudi; Sholihati Lathifa Sakina
Jurnal Abdi Insani Vol 11 No 1 (2024): Jurnal Abdi Insani
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/abdiinsani.v11i1.1317

Abstract

The fish processing and marketing group (poklahsar) in the Gili Matra Marine Protected Area has received intervention from the central government through Bappenas in the COREMAP-CTI III program. This intervention involves improving human resource capacity and providing grants for fish processing equipment. However, the limited duration of the program has resulted in suboptimal assistance in utilizing the donated fish processing equipment. Therefore, the involvement of universities in assisting the community is deemed necessary. This assistance activity aims to inform and educate the poklahsar about the use of fish processing equipment, particularly machines, to enhance production capacity in the Gili Matra Marine Protected Area. The assistance activities were carried out in July 2023 at the respective production locations of each poklahsar. The educational method for adults in this assistance activity involves lectures and hands-on practical training. The outcome of this assistance activity is an increased understanding and knowledge among poklahsar in the Gili Matra Marine Protected Area regarding the functions and uses of various machine-based fish processing equipment. Additionally, it was identified that some obstacles hinder optimizing machine-based equipment utilization, including a lack of understanding in using such equipment and limited market demand for processed fish products. In conclusion, the poklahsar have diverse views on using machine-based equipment, enabling them to optimize the use of such equipment despite the limited demand for processed fish products.
BIOTA ASOSIASI PADA KAWASAN REBOISASI MANGROVE KEPULAUAN SERIBU Syahrial Syahrial; Chandrika eka Larasati; Dandy Saleky; Hendri Susilo; Rhojim Wahyudi
Journal of Aceh Aquatic Sciences Vol 2, No 1 (2018): Journal of Aceh Aquatic Sciences
Publisher : Journal of Aceh Aquatic Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/.v2i1.1688

Abstract

Analisis Daya Dukung Ekosistem Dan Konservasi Mangrove Dalam Meningkatkan Potensi Ekowisata di Desa Cendi Manik, Sekotong Tengah, Lombok Barat Waspodo, Saptono; Amir, Sadikin; Hilyana, Sitti; Gigentika, Soraya; Wahyudi, Rhojim
Journal of Marine Research Vol 13, No 3 (2024): Journal of Marine Research
Publisher : Departemen Ilmu Kelautan, Fakultas PerikanJurusan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jmr.v13i3.41922

Abstract

Ekosistem mangrove berperan penting menjaga keseimbangan ekosistem serta berfungsi sebagai habitat dari berbagai biota. Ekowisata dapat menjadi strategi konservasi yang dapat membuka alternatif ekonomi bagi masyarakat. Penelitian ini bertujuan untuk mengetahui daya dukung dan kesesuaian ekosistem mangrove sebagai ekowisata, serta mengetahui persepsi masyarakat dan pengunjung tentang kondisi mangrove dan jasa ekosistem mangrove. Metode penelitian dilakukan secara purposive sampling dengan mengambil data primer dan sekunder. Hasil menunjukkan ditemukan 15 jenis mangrove, 15 jenis makrozoobenthos, dan 12 jenis burung yang hidup berasosiasi pada ekosistem mangrove tersebut. Rata-rata kerapatan ekosistem mangrove Bagek Kembar sebesar 183 ind/ha (kategori jarang) dengan indeks nilai penting (INP) jenis mangrove tertinggi yaitu Rhizophora mucronata (127%). Indeks Kesesuaian Wisata dalam ekosistem mangrove di Desa Cendi Manik, Kecamatan Sekotong Tengah, Kabupaten Lombok Barat adalah 87.33% sehingga termasuk kedalam katagori sangat sesuai (S1). Perhitungan daya dukung kawasan (DDK) untuk kawasan ekosistem mangrove wisata jelajah track dengan jembatan kayu didapatkan 135 orang/hari, sedangkan untuk wisata jelajah mangrove dengan berperahu 92 orang/hari. Analisis persepsi masyarakat dan pengunjung Dusun Madaq Beleq menunjukkan bahwa masyarakat sudah cukup paham peran dan manfaat mangrove, serta ekowisata. Masyarakat juga menyadari perlunya keterlibatan mereka dalam pengelolaan ekowisata. Oleh karena itu, partisipasi langsung dari masyarakat dalam pengembangan ekowisata sangat diperlukan. The mangrove ecosystem plays an important role in maintaining ecosystem balance and functions as a habitat for various biota. Ecotourism can be a conservation strategy that can open up economic alternatives for the community. This research aims to determine the carrying capacity and suitability of the mangrove ecosystem for ecotourism, as well as determine the perceptions of the community and visitors regarding the condition of mangroves and mangrove ecosystem services. The research method was carried out using purposive sampling by taking primary and secondary data. The results showed that 15 types of mangroves, 15 types of macrozoobenthos and 12 types of birds were found that lived in association with the mangrove ecosystem. The average density of the Bagek Kembar mangrove ecosystem is 183 ind/ha (rare category) with the highest importance value index (INP) for the mangrove type, namely Rhizophora mucronata (127%). 4. The Tourism Suitability Index in the mangrove ecosystem in Cendi Manik Village, Sekotong Tengah District, West Lombok Regency is 87.33% so it is included in the very suitable category (S1). 5. Calculation of the area carrying capacity (DDK) for the mangrove ecosystem area for track cruising tourism with wooden bridges was found to be 135 people/day, while for mangrove exploring tourism by boat it was 92 people/day. Analysis of the perceptions of the community and visitors to Madaq Beleq Hamlet shows that the community has had enough understand the role and benefits of mangroves, as well as ecotourism. The community also realizes the need for their involvement in ecotourism management. Therefore, direct participation from the community in ecotourism development is very necessary.
Rehabilitasi Terumbu Karang dengan Aplikasi Metode Web Spider dalam Mendukung Ekowisata di Desa Labuan Pandan Kecamatan Sambelia Kabupaten Lombok Timur Edwin Jefri; Nurliah; Mahardika Rizqi Himawan; Ayu Adhita Damayanti; Wiwid Andriyani Lestariningsih; Sitti Hilyana; Sadikin Amir; Paryono; Saptono Waspodo; Soraya Gigentika; Ibadur Rahman; Chandrika Eka Larasati; Rhojim Wahyudi; Sholihati Lathifa Sakina; Lalu Ferdi Alfarisi Murdin; Nyoman Widi Artha Putra
Jurnal SIAR ILMUWAN TANI Vol. 4 No. 2 (2023): Jurnal Siar Ilmuwan Tani
Publisher : Fakultas Pertanian Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jsit.v4i2.120

Abstract

Desa Labuan Pandan merupakan desa wisata bahari dan berada di pesisir pantai timur pulau Lombok, garis pantai dengan pasir hitam yang bersih sepanjang 2 km, memiliki ekosistem terumbu karang dengan panjang paparan terumbu (reef flat) sekitar 100 m dari bibir pantai sampai daerah tubir, namun secara visual jika menggunakan alat snorkeling memperlihatkan sebagian besar kondisi terumbu karang di perairan dalam kondisi rusak. Ekosistem terumbu karang walaupun sudah rusak perlu pengeloaan yang serius seperti melakukan rehabilitasi ekosistem dengan teknik propagasi atau transplantasi karang dengan metode rangka web spider. Metode pelaksanaan terdiri dari dua tahapan yaitu penyuluhan dan pelatihan. Kegiatan ini melibatkan Komunitas Pemuda Labuan Pandan Kreatif (KOMPAK) dan perangkat desa. Proses pelatihan melibatkan persiapan fasilitas, seleksi fragmen, penanaman transplan, dan pemantauan. Aktivitas ini menghasilkan dampak yang signifikan terhadap pemahaman masyarakat tentang metode transplantasi karang. Implementasi teknik rangka web spider menunjukkan perkembangan dan pertumbuhan transplan yang dipengaruhi oleh pemilihan bibit yang tepat, penempatan transplan yang strategis, dan pemeliharaan rutin.
COMPOSITION SPECIES AND PERCENTAGE OF MACROALGAE COVERAGE IN CORAL REEF ECOSYSTEMS ITS RELATION TO OCEANOGRAPHIC CONDITIONS OF THE WATERS AROUND LAE-LAE AND BARRANGLOMPO ISLANDS Rhojim Wahyudi; Inayah Yasir; M. Farid Samawi
Jurnal Perikanan Unram Vol 14 No 3 (2024): JURNAL PERIKANAN
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jp.v14i3.1046

Abstract

This study aimed to determine the differences in types and percentage coverage of macroalgae and analyze the correlation between the percentage coverage of macroalgal types and oceanographic conditions in the coral reef ecosystem of Lae-lae Island and Barranglompo Island. The study was conducted on November 20, 2011. The sampling technique followed a 50-meter long transect line perpendicular to the coastline. The estimation of macroalgal coverage used the method developed by English (1994), using a 1 x 1 meter plot and a 25 x 25 cm grid, with categories for each grid using a ¼, ½, ¾, and 1 unit scale. Two-Way ANOVA was performed to determine differences in macroalgal coverage, and Canonical Correspondence Analysis (CCA) was used to investigate the relationship between macroalgal coverage and oceanographic conditions. Thirteen species of macroalgae were found on Lae-lae Island, consisting of 8 orders, 9 families, 10 genera, and 13 species, with coverage ranging from 18.58%-53.44%. The two-way ANOVA showed no significant difference in macroalgal coverage between the flat, crest, and slope zones at both stations on Lae-lae Island (P > 0.05). On Barranglompo Island, 7 species were found with a relatively similar composition from 4 orders, 4 families, and 4 genera. The macroalgal coverage on Barranglompo Island ranged from 0%-26.77%. The two-way ANOVA showed that the percentage of macroalgal coverage in the flat, crest, and slope zones for both stations was significantly different (P < 0.05). The oceanographic conditions affecting the high percentage of macroalgal coverage on Lae-lae Island were current speed, temperature, TSS, nitrate (NO3), and on Barranglompo Island were salinity and phosphate (PO4).
TEKNIK NURSERY DAN OUT-PLANTING SEBAGAI UPAYA PELESTARIAN MANGROVE DI DUSUN SIUNG, SEKOTONG, LOMBOK BARAT Ibadur Rahman; Fadillah, Fitri; Devi, Lokita; Z, Muhammad Fayyadh A.; Sultansyah, Muhammad; Siahaya, Patrick Alexander; Ta'yuni, Qur'a; Asmileen, Suci Dwi; Utami, Widia Tri; Jefri, Edwin; Wahyudi, Rhojim; Damayanti, Ayu Adhita; Himawan, Mahardika Rizqi; Lestrariningsih, Wiwid Andriyani; Buhari, Nurliah; Larasati, Chandrika Eka; Siagian, Raja Aditya Sahala; Putra, Brilliant Rudzaky Ridwan
Jurnal Pepadu Vol 5 No 4 (2024): Jurnal PEPADU
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/pepadu.v5i4.5443

Abstract

Mangroves play a crucial role in maintaining environmental balance, including wave attenuation, preventing erosion, providing habitat for various species, and storing carbon to mitigate climate change. However, mangrove ecosystems are currently facing serious degradation threats due to human activities and climate change, necessitating protective measures, rehabilitation, and active community participation to ensure their preservation. This community service initiative aims to conserve mangrove ecosystems through nursery activities (nursery) and mangrove planting (out-planting) in potential areas not yet populated by mangroves in Siung Village, Sekotong, West Lombok. The nursery activities include techniques for collecting seedlings from the wild, selecting and sorting healthy seedlings, placing them in planting media, and caring for the seedlings. Meanwhile, the out-planting activities involve planting the seedlings in the wild and monitoring the planted mangroves to ensure their survival. Over approximately two months, this project has produced 3,200 mangrove seedlings of Rhizophora mucronata, Rhizophora apiculata, Rhizophora stylosa, and Ceriops tagal species, with a survival rate of 87.5%. As for the out-planting activities, 2,700 mangrove seedlings have been successfully planted in areas near the nursery site. Challenges encountered during seedling collection and care include tidal fluctuations, the presence of pests and predators. In the out-planting activities, ongoing monitoring and maintenance are required to maintain a high survival rate for the seedlings planted in the wild.
Characterization of Microplastic Contamination of Whiteleg Shrimp (Litopenaeus vannamei) Cultivation in North Lombok, Indonesia Setyono, Bagus Dwi Hari; Wahyudi, Rhojim; Asri, Yuliana; Diniariwisan, Damai; Sumsanto, Muhammad
Journal of Fish Health Vol. 4 No. 4 (2024): Journal of Fish Health
Publisher : Aquaculture Department, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jfh.v4i4.5975

Abstract

This study investigates microplastic contamination in whiteleg shrimp (Litopenaeus vannamei) cultivation systems, focusing on water, feed, and shrimp health. Microplastics, which pose significant threats to aquaculture, are often ingested by shrimp, potentially causing physiological damage and reducing product quality. The research was conducted from June to September 2024 at PT—X in North Lombok Regency. Samples of water, shrimp organs (intestines, stomach, and gills), and feed (pellets and crumbles) were analyzed for microplastic contamination. Results revealed a high presence of microplastic fragments in both shrimp and feed, with a significant reduction in microplastic particles after water filtration treatment. Specifically, the water reservoir contained 71 microplastic particles before treatment, with fragments being the most prevalent, and decreased to 8 particles post-treatment. The pelleted feed showed 102 microplastic particles, with fragments comprising 90 of them. Similarly, crumble feed contained 49 microplastic particles, predominantly fragments. The findings emphasize the significant role of microplastic pollution from the surrounding environment and the feed production process in shrimp farming. This study provides essential insights into the sources and impact of microplastics on shrimp health and the quality of aquaculture products, advocating for improved management practices and environmental awareness to mitigate contamination risks.
Pelatihan Pengolahan Pangan Berbahan Dasar Rumput Laut Cokrowati, Nunik; Lumbessy, Salnida Yuniarti; Diniarti, Nanda; Fitriani, Syawalina; Waspodo, Saptono; Hilyana, Sitti; Buhari, Nurliah; Rahman, Ibadur; Wahyudi, Rhojim; Larasati, Chandrika Eka; Kholilah, Nenik; Nuryadin, Rusmin; Mujib, Abdul Saddam; Yasir; Basmal, Jamal; Suwarti
Jurnal Aplikasi dan Inovasi Iptek Vol 6 No Risdamas (2024): Jurnal Aplikasi dan Inovasi Iptek No. 6 Vol. Risdamas Desember, 2024
Publisher : Denpasar Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52232/jasintek.v6iRisdamas.199

Abstract

Pemanfaatan rumput laut saat ini sudah beragam, baik untuk produk pangan maupun non pangan. Produk turunan rumput laut dapat dikelompokkan menjadi 5P, yaitu Pangan, Pakan, Pupuk, Produk Kosmetik, dan Produk Farmasi. Untuk itu kegiatan ini bertujuan untuk transfer ilmu, teknologi dan inovasi pengolahan pangan berbahan dasar rumput laut sebagai camilan sehat. Kegiatan dilaksanakan pada tanggal 20 November 2024 di Desa Paremas Kecamatan Jerowaru Kabupaten Lombok Timur. Metode kegiatan ini adalah ceramah dan praktek langsung pembuatan produk olahan berbahan rumput laut. Masyarakat sasaran kegiatan ini sejumlah 30 orang yang terdiri dari ibu-ibu rumah tangga dan remaja putri. Masyarakat sasaran berasal dari Desa Paremas, Seriweh, Keruak, Lungkak, Jerowaru dan Ketapang Raya Kabupaten Lombok Timur. Hasil kegiatan ini adalah cara membuat pilus rumput laut dan keripik dari Ulva telah diajarkan oleh tim kegiatan kepada masyarakat sasaran. Kripik Ulva memiliki cita rasa gurih, renyah dan ringan dan tetap nampak berwarna hijau. Pilus rumput laut memiliki cita rasa gurih dan masih terasa taste rumput laut. Kesimpulan kegiatan ini adalah keterampilan pembuatan kripik Ulva dan pilus rumput laut telah diajarkan oleh tim kegiatan dan masyarakat sasaran memahami keterampilan tersebut
Optimalisasi Peran Masyarakat Lokal dalam Pengelolaan Sampah Pesisir melalui Program Bersih Pantai di Pantai Elak-Elak, Lombok Barat Wiwid Andriyani Lestariningsih; Mahardika Rizqi Himawan; Sholihati Lathifa Sakina; Nurliah; Rhojim Wahyudi; Saptono Waspodo; Ibadur Rahman; Paryono; Chandrika Eka Larasati; Sadikin Amir; Soraya Gigentika; Edwin Jefri; Ayu Adhita Damayanti; Sitti Hilyana
Jurnal Pengabdian Magister Pendidikan IPA Vol 7 No 4 (2024): Oktober-Desember 2024
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpmpi.v7i4.9520

Abstract

Plastic waste is a pollution problem in coastal areas, and this issue has become a global concern that requires serious attention, especially for archipelagic countries like Indonesia. This community service program aims to reduce plastic pollution at Elak-Elak Beach, West Lombok, and raise environmental awareness among the local community. Conducted in September 2023, the program involved the participation of nearly 200 students and 12 lecturers from the Marine Science Program at the University of Mataram, along with several local community members. Through scheduled beach clean-up activities, the program successfully collected approximately 10 bags, equivalent to 50-70 kg of waste, with plastic dominating the types of waste found. In addition to waste reduction efforts, the program also indirectly educated the local community about the impacts of plastic pollution on marine ecosystems, successfully increasing participants' awareness after the activities. Although the program showed positive results, challenges remain in waste management and the lack of adequate facilities. Therefore, ongoing collaboration between the community, government, and relevant organizations is essential to preserve Elak-Elak Beach and educate the public on the importance of proper environmental management.
Co-Authors Abd Saddam Mujib Akbar Rochyadi Asmileen, Suci Dwi Asri, Yuliana Ayu Adhita Damayanti Ayu Adhita Damayanti Bagus Dwi Hari Setyono Chandrika Eka Larasati Chandrika Eka Larasati Chandrika Eka Larasati, Chandrika Eka Dandy Saleky Desna Bagus Suhendar Devi, Lokita Diniariwisan, Damai Dwiyanti, Septiana Edwin Jefri Edwin Jefri Fadillah, Fitri Fakhrurrozi Fakhrurrozi Fitriani, Syawalina Gigentika, Soraya Hendri Susilo Ibadur Rahman Ibadur Rahman Idris Idris Inayah Yasir Inayah Yasir Jamal Basmal, Jamal Jefri, Edwin Kholilah, Nenik Lalu Ferdi Alfarisi Murdin Lalu Ferdi Alfarisi Murdin Lestrariningsih, Wiwid Andriyani Lumbessy, Salnida Yuniarti M. Farid Samawi M. Farid Samawi, M. Farid Mahardika Rizqi Himawan Martanina Martanina Muhammad Sumsanto Muhammad Sumsanto Nanda Diniarti Niechi Valentino Nunik Cokrowati Nurliah Nurliah Buhari, Nurliah Nurliah Nurliah Nyoman Widi Artha Putra Paryono Paryono Paryono Putra, Brilliant Rudzaky Ridwan Rahman, Ibadur Rangga Idris Affandi Rowi Ashari Rusmin Nuryadin Sadikin Amir Sadikin Amir Sahrul Alim Saptono Waspodo Sholihati Lathifa Sakina Sholihati Lathifa Sakina Siagian, Raja Aditya Sahala Siahaya, Patrick Alexander Sitti Hilyana Sitti Hilyana Sitti Hilyana Soraya Gigentika Soraya Gigentika Sultansyah, Muhammad SUWARTI Syahrial Syahrial Syawalina Fitria Ta'yuni, Qur'a Utami, Widia Tri Wiwid Andriyani Lestariningsih Wiwid Andriyani Lestariningsih Yasir Z, Muhammad Fayyadh A.