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All Journal Jurnal Ilmu dan Teknologi Kelautan Tropis ILMU KELAUTAN: Indonesian Journal of Marine Sciences BULETIN OSEANOGRAFI MARINA Jurnal Kesehatan Lingkungan indonesia Jurnal Ilmu Lingkungan Torani Journal of Fisheries and Marine Science Jurnal Perikanan dan Kelautan Jurnal Kelautan : Indonesian Journal of Marine Science and Technology Journal of Degraded and Mining Lands Management Journal of Innovation and Applied Technology Research Journal of Life Science Journal of Environmental Engineering and Sustainable Technology Jurnal Kelautan Tropis Jurnal Pendidikan Geografi: Kajian, Teori, dan Praktik dalam Bidang Pendidikan dan Ilmu Geografi Jurnal Biodjati JFMR (Journal of Fisheries and Marine Research) PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat J-Dinamika: Jurnal Pengabdian Kepada Masyarakat Jurnal Laot Ilmu Kelautan Jurnal Chart Datum Journal of Marine and Coastal Science Jurnal Puruhita Environmental Pollution Journal Depik Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan Depik Jurnal Ilmu-Ilmu Perairan, Pesisir, dan Perikanan Journal of Fisheries & Marine
Syarifah Hikmah Julinda Sari
Program Studi Ilmu Kelautan, Fakultas Perikanan Dan Ilmu Kelautan Universitas Brawijaya
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemistry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Immunology & microbiology Law, Crime, Criminology & Criminal Justice Library & Information Science Mechanical Engineering Medicine & Pharmacology Public Health Social Sciences

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Desain dan Aplikasi Tempat Sampah Puntung Rokok di Pantai Wisata Kondangmerak, Kabupaten Malang: Design and Implementation of Cigarette Butt Trash Bins at Kondangmerak Beach, Malang Regency Sari, Syarifah Hikmah Julinda; Yona, Defri; Yanuar, Adi Tiya
PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat Vol. 10 No. 1 (2025): PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat
Publisher : Institute for Research and Community Services Universitas Muhammadiyah Palangkaraya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33084/pengabdianmu.v10i1.8348

Abstract

The problem of cigarette butts scattered in the Kondangmerak Tourism Beach area, Malang Regency, is a serious concern because of its impact on the environment and coastal ecosystems. Therefore, through community service activities at Kondangmerak Beach, Sumberbening Village, Bantur District, Malang Regency, we will discuss the design and application of special trash bins for cigarette butts as a solution to reduce pollution in the Kondangmerak tourist beach area. The cigarette butt waste disposal bin is made of wood with dimensions of 30 x 50 x 5 cm in the shape of a box and painted yellow. Next, the disposal site is divided into two boxes for disposing of cigarette butts and each box is equipped with a hole the size of the diameter of the cigarette butt for disposal. This design also considers educational aspects through environmental awareness campaigns, to encourage responsible behavior in disposing of cigarette butts in the right place. The application of this trash can involves the active participation of local communities and tourism managers in promoting a clean and healthy environment.
Warisan Bencana DuPont: PFAS Bahan Kimia Abadi Muhammad Lathiful Khuluq; Muhammad Rafly Haryansyah; Sari, Syarifah Hikmah Julinda
Environmental Pollution Journal Vol. 5 No. 1: April 2025
Publisher : ECOTON: Ecological Observation and Wetlands Conservation

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58954/epj.v5i1.284

Abstract

Per- dan polifluoroalkil (PFAS), yang dikenal sebagai "bahan kimia abadi," merupakan kelompok kontaminan sintetis yang sangat persisten dan sulit terurai di lingkungan. Penelitian ini mengkaji dampak PFAS, khususnya PFOA dan PFOS, terhadap kesehatan manusia dan lingkungan, serta menguraikan awal mula kesadaran akan bahaya PFAS dari kasus perusahaan DuPont. Studi ini menggunakan metode studi literatur dari berbagai sumber untuk menjelaskan sifat kimia PFAS, cara penyebarannya, serta dampaknya pada kesehatan manusia dan lingkungan. Pada 1950-an, DuPont menggunakan PFOA dalam produksi Teflon.  Pengungkapan oleh Rob Bilott pada 1999 menjadi titik balik penting yang membuka tabir bahaya PFAS setelah ditemukan pencemaran air minum yang mempengaruhi penduduk di Parkersburg, AS. Pencemaran PFAS berdampak terhadap kesehatan manusia dan lingkungan sehingga pengendaliannya memerlukan peran sektor pemerintah, industri dan masyarakat.
Characteristics and Abundance of Large Microplastics in Sediments in Wonorejo Mangrove Tourism Area, Surabaya Estina; Yona, Defri; Syarifah Hikmah Julinda Sari
Jurnal Biodjati Vol 10 No 1 (2025): May
Publisher : UIN Sunan Gunung Djati Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15575/biodjati.v10i1.39429

Abstract

Microplastic (MP) pollution is a growing environmental concern due to its persistence in aquatic ecosystems. Among MPs, large microplastics (1–5 mm) originate from the degradation of larger plastic debris and pose ecological risks. However, research on their accumulation in mangrove sediments remains limited. This study investigates the characteristics, abundance, and spatial distribution of large microplastics in the Wonorejo Mangrove Tourism Area, Surabaya, which receives plastic waste transported by the Wonorejo River. Surface sediment samples were collected from three stations, followed by drying, sieving, visual inspection, and Fourier Transform Infrared (FTIR) spectroscopy for polymer identification. The results indicate that film-type microplastics were the most abundant (72%), followed by fragments (23%) and pellets (5%). Transparent microplastics (38%) were the dominant color, followed by blue (26%). The highest microplastic concentration was recorded at Station 2 (130.7 ± 73.5 particles/kg), while Station 1 had the lowest (2.7 ± 2.7 particles/kg). Despite these variations, statistical analysis showed no significant differences in microplastic distribution among stations, suggesting a relatively homogeneous spatial pattern across the study area. FTIR analysis identified two dominant polymers: polypropylene (PP) and polyethylene (PE), commonly used in consumer and industrial products. The predominance of film-type microplastics and transparent coloration suggests that the primary sources of contamination are plastic bags and food packaging waste transported by river currents. These findings underscore the role of mangrove ecosystems as critical retention zones for plastic pollution, highlighting the urgent need for improved waste management strategies to mitigate microplastic accumulation in coastal environments.
Distribution and Contamination Status of Heavy Metals in the Surface Sediments along Western Coast of Bali Strait, Banyuwangi Yona, Defri; Sari, Syarifah Hikmah Julinda; Kretarta, Anedathama; Effendy, Citra Ravena Putri; Aini, Misba Nur; Adi, M Arif As'
Torani Journal of Fisheries and Marine Science VOLUME 1 NOMOR 2, JUNI 2018
Publisher : Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (15.153 KB) | DOI: 10.35911/torani.v1i2.4439

Abstract

This study attempted to analyze the distribution and contamination status of heavy metals (Cu, Fe and Zn) along western coast of Bali Strait in Banyuwangi, East Java. Bali Strait is one of the many straits in Indonesia with high fisheries activities that could potentially contributed to high heavy metal pollution. There were five sampling areas from the north to south: Pantai Watu Dodol, Pantai Kalipuro, Ketapang Port, Pantai Boom and Muncar as the fish landing area. Heavy metal pollution in these locations comes from many different activities such as tourism, fish capture and fish industry and also domestic activities. Contamination factor (CF), geo-accumulation index (Igeo) and enrichment factor (EF) of each heavy metal were calculated to obtain contamination status of the research area. The concentrations of Fe were observed the highest (1.5-129.9 mg/kg) followed by Zn (13.2-23.5 mg/kg) and Cu (2.2-7.8 mg/kg). The distribution of Cu, Fe and Zn showed variability among the sampling locations in which high concentrations of Cu and Zn were higher in Ketapang Port, whereas high concentration of Fe was high in almost all sampling locations. According to the pollution index, contamination factors of Cu, Fe and Zn were low (CF < 1 and Igeo < 1). However, high index of EF (> 50) showed high influence of the anthropogenic activities to the contribution of the metals to the environment. This could also because of the high background value used in the calculation of the index due to the difficulties in finding background value from the sampling areas.Keywords: heavy metals, pollution index, contamination factor, geo-accumulation index, Bali Strait
Habitat Suitability Modeling Based on Oceanographic Factors for Yellowfin Tuna (Thunnus albacares) Fishing Grounds in the Southern Waters of Java Semedi, Bambang; Diza, Novia Fara; Sari, Syarifah Hikmah Julinda; Wiadnya, Dewa Gede Raka; Lelono, Tri Djoko; Setyohadi, Daduk; Harlyan, Ledhyane Ika; Rahman, Muhammad Arif; Lee, Ming-An
ILMU KELAUTAN: Indonesian Journal of Marine Sciences Vol 30, No 2 (2025): Ilmu Kelautan
Publisher : Marine Science Department Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ik.ijms.30.2.163-173

Abstract

The southern waters of Java are suitable to be the largest supplier of Yellowfin tuna exports in Indonesia, but have not efficiently produced the expected yield. This research minimizes these constraints by modeling the yellowfin tuna fishing grounds in the southern waters of Java based on oceanographic factors such as Sea Surface Temperature (SST), chlorophyll-a (CHL_A), Sea Surface Salinity (SSS), Sea Surface Height (SSH) using an integration between remote sensing, Geographic Information Systems (GIS), and the Generalized Additive Model (GAM) statistical method. This study used oceanographic factor data from Aqua MODIS Level-3 and Copernicus, while yellowfin tuna fishery production was obtained from Palabuhanratu Nusantara Fishing Port (NFP), Cilacap Ocean Fishing Port (OFP), and Pondokdadap Coastal Fishing Port (CFP). The modeling process used 80% of the data, while the remaining 20% was used to validate the model results. The order of influence of oceanographic parameters from largest to smallest is SST > SSS > SSH > CHL-A. The best model from the GAM analysis showed that the combination of four oceanographic parameters had the greatest influence on yellowfin tuna CPUE. The catch per unit effort (CPUE) of yellowfin tuna was predicted to be high in May-October and low in November-April. The prediction model had high accuracy because most of the fishing activity was in the HSI 0.4-0.5 range and the RMSEP value was 0.63. Yellowfin tuna were suitable in habitats distributed from inshore to offshore in June and July, but less suitable in December.  
VARIASI KOMUNITAS PLANKTON DAN PARAMETER OSEANOGRAFI DI DAERAH PENANGKAPAN IKAN PELAGIS DI PERAIRAN MALANG SELATAN, JAWA TIMUR Sartimbul, Aida; Yona, Defri; Larasati, Ardelia Annisa; Saria, Syarifah Julinda; Rohadi, Erfan
JFMR (Journal of Fisheries and Marine Research) Vol. 1 No. 2 (2017): JFMR
Publisher : Faculty of Fisheries and Marine Science, Brawijaya University, Malang, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jfmr.2017.001.02.2

Abstract

AbstractPerairan Malang Selatan merupakan daerah yang potensial sebagai daerah penangkapan ikan. Keberadaan berbagai jenis ikan pelagis kecil terutama ikan planktivor secara langsung dipengaruhi oleh pertumbuhan fitoplankton dan zooplankton. Fitoplankton mempunyai peran penting sebagai dasar rantai makanan dalam ekosistem perairan, sedangkan zooplankton merupakan herbivor pemangsanya. Pertumbuhan fitoplankton dan zooplankton dipengaruhi oleh faktor oseanografinya. Penelitian ini bertujuan untuk mengetahui variasi komunitas plankton dan hubungannya dengan parameter oseanografinya, serta distribusi spasial plankton di daerah penangkapan ikan di Perairan Malang Selatan, Jawa Timur. Metode purposive sampling dengan teknik zigzag pada 10 titik sampling digunakan dalam pengambilan data pada penelitian ini. Sedwicgk rafter counting cell digunakan dalam metode penghitungan plankton. Sampel plankton diambil secara horizontal dan vertikal pada kedalaman 1 dan 15 m dengan jaring plankton bermata jaring 20 µm, sedangkan parameter oseanografi secara in situ diukur menggunakan aqua quality sensor tipe AAQ 1183 C. Hasil penelitian menunjukkan bahwa kelimpahan fitoplankton sebesar 49.764 sel/m3, didominasi oleh genus Chaetoceros. (Bacillariophyceae), dan kelimpahan zooplankton sebesar 894 ind/m3, didominasi oleh genus Nauplius. (Copepoda). Indeks keanekaragaman dan keseragaman fitoplankton dan zooplankton dapat dikategorikan sedang, berturut-turut sebesar 1,77–1,85 dan 1,70–1,77; 0,58–0,59 dan 0,77–0,79, sedangkan indeks dominansinya masuk dalam kategori rendah yaitu berturut-turut 0,27–0,28 dan 0,24–0,27. Analisis Principal Component Analysis (PCA) menunjukkan bahwa parameter oseanografi utama yang paling berpengaruh pada variasi komunitas plankton adalah turbiditas, klorofil-a, oksigen terlarut dan fosfat. Hasil uji T menunjukkan bahwa distribusi spasial kelimpahan fitoplankton dan zooplankton pada kedalaman 1 m dan 15 m berbeda nyata. Studi ini memberikan informasi penting tentang kelimpahan plankton dan faktor oseanografi yang berpengaruh di daerah penangkapan di Perairan Malang Selatan. Kata Kunci: komunitas plankton, parameter oseanografi, fishing ground, Perairan Malang Selatan AbstractThe South Malang water is a potential area as a fishing ground. The existence of various species of small pelagic fishes such as planktivores fishes are directly influenced by the growth of phytoplankton and zooplankton. Phytoplankton has an important role as the basis of the food chain in aquatic ecosystems, whereas zooplankton is its predator. The growth of phytoplankton and zooplankton is influenced by oceanography factors. This study aims to determine the variation of the plankton community and its relationship with oceanographic parameters, as well as the spatial distribution of plankton in the fishing ground at South Malang water. The purposive sampling method with zigzag technique at 10 sampling sites was used in data collection in this research. Sedwicgk rafter counting cells were used in plankton counting methods. The plankton samples were taken horizontally and vertically at depths of 1 and 15 m with a 20 μm planktonnet, while in situ oceanographic parameters were measured using aqua quality sensor AAQ type 1183 C. The results showed that phytoplankton abundance was 49.764 cells / m3, dominated by the genus Chaetoceros (Bacillariophyceae), and zooplankton abundance of 894 ind / m3, dominated by the genus Nauplius (Copepoda). The diversity index and uniformity index of phytoplankton and zooplankton could be categorized as the middle as 1.77-1.85 and 1.70-1.77; 0.58-0.59 and 0.77-0.79, respectively, while the dominance index was included in the low category that was 0.27-0.28 and 0.24-0,27, respectively. Principal Component Analysis (PCA) analysis showed that the most important major oceanographic parameters for plankton community variation were turbidity, chlorophyll-a, dissolved oxygen and phosphate. T test results show that the spatial distribution of phytoplankton abundance and zooplankton at depth of 1 m and 15 m are significantly different. This study provides important information on the plankton abundance and oceanography factors affected at fishing ground of South Malang water. Keywords: Plankton community, oceanography parameters, fishing ground, South Malang Water
KELIMPAHAN MIKROPLASTIK PADA PERAIRAN DI BANYUURIP, GRESIK, JAWA TIMUR Ayuingtyas, Wulan Cahya; Yona, Defri; Julinda, Syarifah Hikmah; Iranawati, Feni
JFMR (Journal of Fisheries and Marine Research) Vol. 3 No. 1 (2019): JFMR
Publisher : Faculty of Fisheries and Marine Science, Brawijaya University, Malang, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jfmr.2019.003.01.5

Abstract

Mikroplastik merupakan bagian terkecil dari plastik yang berukuran 0,3 mm – >5 mm. Mikroplastik yang masuk ke lingkungan akan terakumulasi di perairan dan tidak mudah dihilangkan karena sifatnya yang persisten. Banyaknya kelimpahan mikroplastik sangat dipengaruhi oleh aktivitas dan sumber pencemarnya. Tujuan penelitian ini adalah untuk mengetahui kelimpahan dan jenis mikroplastik pada perairan di Banyuurip. Pengambilan sampel perairan dilakukan pada 5 lokasi yang memiliki aktivitas berbeda, yaitu tempat pelelangan ikan (TPI), mangrove, tambak, muara sungai, dan laut lepas. Pengambilan sampel perairan dilakukan sebanyak 3 kali pengulangan mengguakan plakton net dengan volume air tersaring sebanyak 15 L pada setiap stasiun. Idetifikasi mikroplastik menggunakan metode NOAA yang dibagi menjadi 4 tahapan, yaitu penyaringan sampel, pengeringan sampel, pemisahan zat organik dan identifikasi mikroplastik. Perbedaan kelimpahan jenis mikroplastik pada setiap lokasi dianalisis dengan mengukan ANOVA one way. Hasil kelimpahan total yang ditemukan sebesar 57,11 x 10² partikel/m³. Jenis mikroplastik yang ditemukan adalah fragment, fiber, dan film. Jenis mikroplastik yang paling banyak ditemukan pada perairan Banyuurip adalah jenis fragment. Hal ini dikarenakan sumber pencemaran mikroplastik jenis fragment lebih besar, yaitu berasal dari limbah rumah tangga dan kegiatan antropogenik. Kelimpahan jenis mikroplastik paling tinggi ditemukan pada mangrove sebesas 22,89 x 10² partikel/m³. Sementara itu, kelimpahan jenis mikroplastik pada lokasi tambak, muara sungai dan laut terbuka memiliki rentang nilai yang tidak jauh berbeda, yaitu 7,11– 8,89 x 10² partikel/m³. Hal ini diduga karena sampah lebih mudah terperangkap di akar-akar mangrove dan terakumulasi lebih banyak.
HEALTH RISK ASSESSMENTS OF HEAVY METALS OF PERNA VIRIDIS FROM BANYUURIP WATERS IN UJUNG PANGKAH, GRESIK Rayyan, Muhammad Fathur; Yona, Defri; Sari, Syarifah Hikmah Julinda
JFMR (Journal of Fisheries and Marine Research) Vol. 3 No. 2 (2019): JFMR
Publisher : Faculty of Fisheries and Marine Science, Brawijaya University, Malang, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jfmr.2019.003.02.2

Abstract

Banyuurip is one of villages in Ujung Pangkah District, Gresik with high aquaculture activities of Perna viridis. Green mussels are highly produced in that area, however Banyuurip waters also has potential risk of heavy metals pollution. Therefore, this research was conducted to understand the concentrations of Fe and Zn in the sediments and in the Green Mussels. The heavy metals concentration will be used to analyze Bio Concentration Factor (BCF) and Human Health Risk Assessments (HHRA). A total about 45 P. viridis populations were collected from 3 sites in Banyuurip waters. In order to obtain a representative sample at each site, 15 populations of Green Mussels with similar shell lengths and bottom sediment were collected. Mussel’s tissue and bottom sediment were analyzed using AAS (AAnalyst700) to determine the concentrations of Fe and Zn. The concentrations of Fe were found almost similar with the concentrations of Zn in P. viridis within the range of Fe = 3.10 – 5.25 mg.kg-1 and Zn = 3.91 - 4.67 mg.kg-1. BCF (o-s) of Fe in P. viridis is lower than the BCF (o-s) of Zn, because the concentrations of Fe in the mussels were less than the concentrations in the sediments. According to the Target Hazard Quotients (THQ) values (THQ < 1), both heavy metals are not likely causing negative health effects for human during lifetime. However, Estimated Daily Intakes (EDI) values are above Provisional Tolerable Daily Intakes (PTDI) standard means it can cause negative effects due to daily consumption (EDI > PTDI).
Beach Cleanliness and Marine Debris Characteristics for Sustainable Coastal Tourism in Prigi Bay, Indonesia Syamsuddin, Maura Fayza Dwinanda; Nevandra, Adinda Prameswari Aisyah; Yona, Defri; Yamindago, Ade; Sari, Syarifah Hikmah Julinda; Yanuar, Adi Tiya
ILMU KELAUTAN: Indonesian Journal of Marine Sciences Vol 30, No 3 (2025): Ilmu Kelautan
Publisher : Marine Science Department Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ik.ijms.30.3.329-344

Abstract

Tourist activity significantly impacts coastal ecosystems, often leading to increased marine debris pollution. This study examines the influence of tourism on beach cleanliness by analyzing marine debris composition, abundance, and Clean Coast Index (CCI) at four recreational beaches in Prigi Bay, Trenggalek, Indonesia (Cengkrong, Prigi, Karanggongso, and Mutiara). Sampling was conducted in March–April 2024, using a 5×5 m quadrat transect method placed at 20 m intervals along the shoreline in the backshore zone. The Mann-Whitney U test was applied to assess differences in debris accumulation between weekdays and weekends. Results indicated that plastic debris was the dominant type across all sites, with debris abundance slightly higher on weekends (54%) than weekdays (46%). Moreover, the mass of accumulated debris was significantly greater on weekends (1.93 items.m⁻², 8.86 g.m⁻²) than on weekdays (1.57 items.m⁻², 4.69 g.m⁻²), primarily due to an increase in larger debris items (10–100 cm), likely associated with tourism-related waste such as food packaging and recreational items. Despite these fluctuations, all beaches exhibited "extremely dirty" CCI scores (>20), indicating persistent pollution beyond tourism activity. Additional contributing factors may include inefficient waste management, fishing-related debris, and marine transport mechanisms. These findings underscore the urgent need for comprehensive waste management strategies, including source reduction, regular cleanups, improved waste disposal infrastructure, and public awareness campaigns, to mitigate long-term environmental and socio-economic impacts in Prigi Bay. Furthermore, integrating this measure into sustainable coastal tourism planning is crucial to balance recreational use with environmental preservation.
Analisis Karakteristik Sampah Puntung Rokok dan Penilaian Indeks Cigarette Butt Pollution Index (CBPI) Di Pesisir Kabupaten Malang Selatan, Jawa Timur Wirdana, Nurmalisa; Iranawati, Feni; Sari, Syarifah Hikmah Julinda; Yanuar, Adi Tiya; Anggara, Arik; Yona, Defri
Jurnal Kesehatan Lingkungan Indonesia Vol 24, No 3 (2025): Oktober 2025
Publisher : Master Program of Environmental Health, Faculty of Public Health, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jkli.73437

Abstract

Latar belakang: Sampah puntung rokok termasuk sampah laut yang menjadi perhatian khusus karena masih rendahnya kesadaran masyarakat untuk membuang di tempat semestinya. Kandungan kimia pada puntung rokok berpotensi mencemari lingkungan yang berdampak pada perkembangan biota, bahkan dapat menyebabkan kematian. Penelitian ini dilakukan untuk menganalisis karakteristik puntung rokok (ukuran, tipe dan merek) serta tingkat polusinya berdasarkan Cigarette Butt Pollution Index (CBPI). Lima pantai wisata di Kabupaten Malang Selatan dipilih sebagai area kajian karena tingginya aktivitas wisata yang berkontribusi terhadap peningkatan sampah puntung rokok di wilayah pesisir.Metode: Pengambilan sampel puntung rokok dilakukan pada bulan Juli hingga Agustus 2024 di Pantai Balekambang, Kondang Merak, Sendang Biru, Gatra, dan Clungup. Pengambilan sampel puntung rokok menggunakan metode transek garis berukuran 5 x 5 m yang diletakkan sejajar garis pantai di zona supratidal dan intertidal. Variabel dalam penelitian ini yaitu jumlah, kepadatan, dan tingkat pencemaran puntung rokok. Alat yang digunakan berupa roll meter, tali, pasak, plastik zip, timbangan analitik, dan marine debris identifier. Analisis data menggunakan Uji Mann-Whitney untuk membandingkan kepadatan puntung rokok di supratidal dan intertidal, serta Uji Kruskal-Wallis untuk membandingkan kepadatan puntung rokok di kelima pantai.Hasil: Sebanyak 1,877 sampah puntung rokok ditemukan dan paling banyak di zona supratidal yang didominasi ukuran 2.5–5 cm. Jumlah puntung rokok dalam penelitian ini tidak jauh berbeda dengan penelitian sebelumnya, namun kepadatannya sangat tinggi berkisar antara 0.06 hingga 1.67 item/m2. Puntung rokok didominasi oleh ukuran  2.5–5 cm bertipe utuh, kecuali Pantai Clungup didominasi oleh ukuran 0.5–2.5 cm bertipe rusak. Gudang Garam menjadi merek yang mendominasi di tiap pantai selain Pantai Clungup. Nilai kepadatan tertinggi ditemukan di Pantai Sendang Biru dan nilai terendah ditemukan di Pantai Clungup, nilai ini berbanding lurus dengan tingkat polusi berdasarkan CBPI.Simpulan: Variasi karakteristik sampah puntung rokok di kelima pantai dipengaruhi adanya perbedaan aktivitas antropogenik dan faktor hidrooseanografi. ABSTRACTTitle: Analysis of Characteristics of Cigarette Butts and Assessment of the Cigarette Butt Pollution Index (CBPI) on the Coast of South Malang Regency, East Java Background: Cigarette butts are a type of marine debris that require special attention due to the low public awareness of proper disposal. The chemical contents in cigarette butts have the potential to pollute the environment, affecting the development of marine biota and even causing death. This study was conducted to analyze the characteristics of cigarette butts (size, type, and brand) and their pollution level based on the Cigarette Butt Pollution Index (CBPI). Five tourist beaches in South Malang Regency were selected as study sites due to the high tourist activity that contributes to the increase in cigarette butt litter along the coastal area.Method: Cigarette butt samples were collected from July to August 2024 at Balekambang, Kondang Merak, Sendang Biru, Gatra, and Clungup Beaches. The sampling was conducted using 5 × 5 m line transect method placed parallel to the shoreline in both the supratidal and intertidal zones. Variables in this study included the number, density, and pollution level of cigarette butts. The tools used were a roll meter, rope, stakes, ziplock plastic bags, an analytical scale, and a marine debris identifier. Data were analyzed using the Mann-Whitney Test to compare cigarette butt densities between supratidal and intertidal zones and the Kruskal-Wallis Test to compare densities across the five beaches.Result: A total of 1,877 cigarette butts were found, mostly in the supratidal zone, dominated by butts sized 2.5–5 cm. The number found is similar to previous studies, but the density was very high (0.06 to 1.67 items/m²). Most butts were intact, except in Clungup where damaged butts sized 0.5–2.5 cm dominated. Gudang Garam was the dominant brand, except in Clungup. The highest density was in Sendang Biru, the lowest in Clungup, matching CBPI values.Conclusion: Variations were influenced by anthropogenic activity and hydro-oceanographic factors.
Co-Authors Abdullah Hamid Ade Yamindago Adi, M Arif As' Agung Yunanto Aida Sartimbul Aini, Misba Nur Akhmad Amirudin Akhmad Amirudin Albarra, Nurhafizh Sri Andira, Andira Anggara, Arik Ardelia Annisa Larasati Ardelia Annisa Larasati, Ardelia Annisa Arifianti, Dwi Nurjanatin Ayuingtyas, Wulan Cahya Bambang Semedi Bernads Daniel Marolop Siagian Billy Arif Mahendra Chihiro Inoue Citra Satrya Utama Dewi Citra Syananta Daduk Setyohadi David Vernandes Defri Yona Defri Yona Defri Yona Dewa Gede Raka Wiadnya Dewi, Citra Satrya Utama Diana Arfiati Diza, Novia Fara Dumatubun, Innocentius Arya Panji Pramudewata Dwi Nurjanatin Arifianti Dwi Retnowati Effendy, Citra Ravena Putri Eko Sulkhani Yulianto Erfan Rohadi Estina Fahreza Okta Setyawan Fatmawati, Riska Feni Iranawati Feni Iranawati Feni Iranawati, Feni Galuh Dyah Pitaloka Hayyu Guntur Guntur Iis Nur Rodliyah, M.Ed Irfan Naufal Amar Jessica Feibe Ambar Kirana Johar Setiyadi Junika Chintia Ayu Putri Kartikaningsih, Hartati Kharisma Ayu Zeina Halisah Kharisma Wisnu Sesanty Kretarta, Anedathama Krisnanto, Wahyu Fajar Lazimatun Nazifah Ledhyane Ika Harlyan Lee, Ming-An Lestariadi, Riski Agung Maretha Dewi Maheswari Mei-Fang Chien Mela Dita Maharani Mochamad Arif Zainul Fuad Muh. Arif Rahman Muhammad Arif Asadi Muhammad Arif Asadi, Muhammad Arif Muhammad Azka Dzikri Firdausi Muhammad Fathur Rayyan Muhammad Lathiful Khuluq Muhammad Rafly Haryansyah Nevandra, Adinda Prameswari Aisyah Nurhafizh Sri Albarra Nurin Hidayati Nurin Hidayati Nurin Hidayati Nurin Hidayati Priyanka Mondal Rafika Devi Agustin Rahman, Muhammad Arif ramadhan, firman Rarasrum Dyah Kasitowati Rarasrum Dyah Kasitowati, Rarasrum Dyah Rayyan, Muhammad Fathur Riski Agung Lestariadi Rohenda, Amelia Rumantya, Matthew Adi Bekti Safitri Widya Ningtias Saputra, Dhira Kurniawan Setya Indra Padma Putri Setyawan, Fahreza Okta Syamsuddin, Maura Fayza Dwinanda Tri Djoko Lelono Tsania Humairoh Vidayanti, Viky Widodo S Pranowo Widodo Setiyo Pranowo Wirdana, Nurmalisa Wulan Cahya Ayuingtyas Yanuar, Adi Tiya Zefanya Nandaningtyas