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All Journal Journal of Science and Applicative Technology Jurnal Biologi Tropis Jurnal Laut Khatulistiwa Biocaster : Jurnal Kajian Biologi Jurnal Laut Pulau
Dwiputra, Mohammad Ashari
Unknown Affiliation
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Earth & Planetary Sciences Education Energy Engineering Immunology & microbiology Materials Science & Nanotechnology Mechanical Engineering Physics

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Keragaman Jenis Mamalia di Kawasan Ekowisata Mangrove Cukunyinyi Kabupaten Pesawaran Hasibuan, Mhd Muhajir; Sari, Nurika Arum; Dwiputra, Mohammad Ashari; Permana, Rizki Dimas; Rianingsih, Firma; Adirama, Alfian Zamzami; Witjaya, Oka Rani; Zamili, Abdi Oktarian; Nainggolan, Paolo M.; Aryawan, Adi; Purnomo, Ajis; Sudarsono, Bambang; Hamdani, Hamdani; Alfajrin, Achmad Chalid Alif Afif
Biocaster : Jurnal Kajian Biologi Vol. 3 No. 4 (2023): October
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v3i4.210

Abstract

Mangrove ecosystems are important coastal ecosystems that provide a variety of functions. Mangrove ecosystems provide a variety of environmental services including absorbing carbon and contributing to climate change mitigation, protecting coastal areas from storms, tsunamis, and erosion. In addition to providing a variety of environmental services, these ecosystems are also habitats for a variety of living organisms, both aquatic and terrestrial, resident and migrant, also nationally and internationally protected species. The benefits provided by mangrove are contrast to the rate of degradation, which has the potential for loss of wildlife habitat and a decrease in biodiversity value, especially mammals. This study was conducted to analyse the value of biodiversity, especially mammals in the Mangrove Ecotourism Area, Pesawaran Regency. This study uses the method of line transects, mist nets, and sound identification. The results of the study recorded 6 species of mammals with a species diversity value (H') of 1.46, richness of 1.60, evenness of 0.72, and species dominance of 0.30. Mammal species diversity inside the ecotourism area is higher than outside the area. Protected mammals are not found in the area.
Site Selection Analysis for Grouper Culture in Floating Cage Using GIS-Based Weighted Linear Combination Analysis in Kulisusu Bay Dwiputra, Mohammad Ashari; Kurnia, Rahmat; Riani, Etty
Journal of Science and Applicative Technology Vol. 8 No. 2 (2024): Journal of Science and Applicative Technology December Chapter
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LPPM), Institut Teknologi Sumatera, Lampung Selatan, Lampung, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35472/jsat.v8i2.1668

Abstract

Land suitability evaluation is a crucial component that supports the sustainable development of aquaculture. One economically valuable commodity in this field is the grouper fish. Kulisusu Bay, located in North Buton Regency, is an area with potential for grouper culture in floating cages. The objective of this research is to analyze the suitability of the land in Kulisusu Bay for floating cage aquaculture of grouper. The study begins by identifying key parameters that directly affect the success of aquaculture activities. These parameters include primary and secondary data that are used to build spatial data. Subsequently, a spatial model is constructed based on this data, resulting in a spatial database. Each parameter is then weighted and scored. The final step involves spatial overlay modeling, where the weighted and scored results are used to generate a land suitability map. The research results show that a significant portion of 2,253 hectares is highly suitable, with an additional 810 hectares being suitable for the activity. These areas are primarily concentrated in the central region of Teluk Kulisusu. Based on these findings, it can be concluded that the waters of Teluk Kulisusu have great potential for the development of grouper culture in floating cages. However, the support of various stakeholders, including the government, is necessary to ensure that this aquaculture activity is sustainable by implementing environmentally friendly culture practices.
Penentuan Status Padang Lamun Kawasan Ekowisata Mangrove Cuku Nyinyi Desa Sidodadi, Kab. Pesawaran, Provinsi Lampung Dwiputra, Mohammad Ashari; Permana, Rizki Dimas; Syari, Chalida; Purnomo, Ajis; Vederly, Mursya
Jurnal Laut Pulau: Hasil Penelitian Kelautan Vol 4 No 1 (2025): Jurnal Laut Pulau
Publisher : Prodi Ilmu Kelautan Fakultas Perikanan dan Ilmu Kelautan Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/jlpvol4iss1pp1-11

Abstract

Ekosistem lamun di kawasan pesisir saat ini banyak memperoleh ancaman dan tekanan dari kegiatan antropogenik. Perairan Teluk Lampung memiliki luas padang lamun sebesar 710 Ha pada tahun 2015. Dengan kondisi baik sebesar 64,79%, kondisi sedang sebesar 22,59% dan kondisi rusak sebesar 12,62 %. Lokasi kajian merupakan kawasan ekosistem lamun yang mendapat pengaruh langsung dari aktifitas budidaya keramba jaring apung, daerah penangkapan ikan dan kerang, kegiatan ekowisata mangrove dan daerah aliran sungai Desa Sidodadi. Penelitian ini bertujuan untuk mengetahui kondisi eksisting dan status ekosistem padang lamun kawasan perairan Ekowisata Mangrove Cuku Nyinyi. Metode sampling yang digunakan berdasarkan panduan monitoring padang lamun oleh LIPI dengan menggunakan kuadran 50x50 cm. Hasil penelitian menunjukkan bahwa kondisi kualitas perairan di lokasi kajian cukup sesuai untuk kelangsungan hidup dan perkembangan lamun. Berdasarkan hasil penelitian diperoleh dua jenis lamun yaitu Enhalus acoroides dan Thalassia hemprichii. Jenis E. acoroides memiliki rata-rata kerapatan sebesar 339 individu dan jenis T. hemprichii sebesar 104 individu. Persentase penutupan lamun tergolong dalam kategori sedang dengan dominansi jenis tertinggi pada E. acoroides. Berdasarkan nilai penutupan lamun dapat disimpulkan bahwa status padang lamun kawasan Ekowisata Cuku Nyinyi termasuk dalam kategori kurang kaya atau dalam kondisi kurang sehat.
Species Compotition of Fruit Bats (Pteropodidae) in Institut Teknologi Sumatera, Lampung Hasibuan, Mhd Muhajir; Fitria Ningsih, Desvita; Vincent, Joy; Maulana, Sena; Sari, Nurika Arum; Alfajrin, Achmad Chalid; Dwiputra, Mohammad Ashari
Jurnal Biologi Tropis Vol. 24 No. 1 (2024): Januari - Maret
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.v24i1.6578

Abstract

Fruit bats (family Pteropodidae) pollinate around 300 species of tropical plants of high economic value over a wide range of areas. This large role does not match the status of their population, which continues to decline due to habitat loss, particularly in urban areas. The Sumatra Institute of Technology (ITERA) campus, which is currently under development, may result in habitat changes that may affect bats. These concerns have led to the need for research into bat diversity on the ITERA campus. The result could be utilised to monitor and develop the environmental management of the campus. The research was conducted from May to September 2023 in five different habitat types. Data were collected using 3 mistnets and 3 night repetition each habitat. The data were analysed using indices of diversity, evenness and species richness. The study recorded 143 individuals of 7 species. The highest number of species and diversity was observed in the sengon and rubber habitat (6 species). The lowest number of species and diversity was found in the botanical garden (2 species).
Analysis of Microplastic Content in Sediments of the Pasir Sakti Mangrove Ecosystem, East Lampung Suhanda, Delilla; Syari, Chalida; Dwiputra, Mohammad Ashari; Rajab, Muhammad Arhan; Kurniawan, Alvin
Jurnal Laut Khatulistiwa Vol. 9 No. 2 (2026): July
Publisher : Dept. Marine Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/lkuntan.v9i2.104440

Abstract

Mangroves as buffer ecosystems possess a natural capacity to trap pollutants originating from both terrestrial and marine sources, including microplastics. This study aimed to identify and map the characteristics and distribution of microplastics in the sediments of the Pasir Sakti mangrove ecosystem. The study employed a descriptive–quantitative approach combining laboratory and geospatial analyses. Sediment samples were collected from five stations using purposive sampling and analyzed through granulometric analysis, microplastic extraction using a NaCl solution, and morphological identification of microplastics using a microscope. Ecological parameters, including water quality and mangrove vegetation structure, were measured in situ. The distribution of microplastics was visualized as thematic maps using a Geographic Information System (GIS). The results of water quality analysis showed temperatures ranging from 29.7 to 31.9 °C, salinity of 9–11 ppt, relatively high water pH values of 8.76–10.8, acidic soil pH values of 3–6.7, low water transparency of 22–30 cm, and very high TDS concentrations of 6,825–7,967 ppm. The sediment at the study site was predominantly classified as sand. The mangrove vegetation was dominated by Avicennia sp., with a density ranging from 0.24 to 0.67 individuals/m². A total of 259 microplastic particles were identified, comprising film, fragment, foam, fiber, and pellet types. Film was the dominant microplastic type, with a total of 160 particles.
Co-Authors Adirama, Alfian Zamzami Alfajrin, Achmad Chalid Alfajrin, Achmad Chalid Alif Afif Aryawan, Adi Bambang Sudarsono Chalida Syari Etty Riani Fitria Ningsih, Desvita Hamdani Hamdani Kurniawan, Alvin Maulana, Sena Mhd Muhajir Hasibuan Muhammad Arhan Rajab Nainggolan, Paolo M. Permana, Rizki Dimas Purnomo, Ajis Rahmat Kurnia Rianingsih, Firma sari, nurika arum Suhanda, Delilla Vederly, Mursya Vincent, Joy Witjaya, Oka Rani Zamili, Abdi Oktarian