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Water pollution status of Deli River Medan, North Sumatra, based on Pollution Index (IP) and CCME WQI Jamal, Aulia Fitri; Damar, Ario; Hariyadi, Sigid
Depik Jurnal Ilmu Ilmu Perairan, Pesisir, dan Perikanan Vol 14, No 3 (2025): SEPTEMBER 2025
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.14.3.46921

Abstract

Deli River has been designated as a national river that has made a major contribution to the economic growth and development in the Medan city of North Sumatra. However, rapid urbanization and human population growth have caused degradation of the quality of Deli River due to increasing pollution. This study aims to analyze the level of pollution of the Deli River using the Pollution Index (PI) and CCME Water Quality Index (WQI) methods with reference to Government Regulation Number 22 of 2021. The research location was divided into 4 stations from upstream to downstream of the Deli River. Based on PI method, stations 1, 2, and 3 were classified as lightly polluted, while station 4 experienced moderate pollution. The results were different when using the CCME WQI method, which showed that stations 1, 2, and 3 were classified as having fairly good waters, while station 4 was poor waters. Water quality analysis was carried out on 13 parameters, 5 of which exceeded the river water quality standard threshold, namely BOD, ammonia, Pb, Zn, and Cd.Keywords:Deli riverRiver pollutionWater qualityPollution Index (IP)CCME WQI
Perancangan Sistem Pengukuran Kinerja Otoritas Pelabuhan Pana, Otto Baka; Fahmi, Idqan; Damar, Ario
Warta Penelitian Perhubungan Vol. 29 No. 1 (2017): Warta Penelitian Perhubungan
Publisher : Sekretariat Badan Penelitian dan Pengembangan Perhubungan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25104/warlit.v29i1.312

Abstract

Otoritas Pelabuhan adalah lembaga pemerintah di pelabuhan sebagai otoritas yang melaksanakan fungsi pengaturan, pengendalian, dan pengawasan kegiatan kepelabuhanan yang diusahakan secara komersial. Oleh karena itu perlu sebuah metode pengukuran kinerja yang komprehensif yang menyeleraskan visi dan misi organiasasi ini dalam menjawab kebutuhan dunia kepelabuhanan yang sudah semakin berkembang dan kompleks. Balanced scorecard  menawarkan suatu peta jalan yang sistematis, obyektif, dan komprehensif untuk menerjemahkan pernyataan visi dan misi ke dalam sekumpulan ukuran kinerja yang saling berkaitan. Perancangan sistem pengukuran kinerja Otoritas Pelabuhan mengambil studi kasus pada Kantor Otoritas Pelabuhan Utama Tanjung Priok karena dianggap lebih kompleks dan mewakili Otoritas Pelabuhan yang ada di Indonesia. Perancangan pengukuran ini mengambil metode balanced scorecard yang dilakukan dengan melibatkan pihak manajemen Otoritas Pelabuhan Utama Tanjung Priok dangan beberapa ahli manajemen kepelabuhan. Metode analisis yang diterapkan untuk pengolahan data adalah AHP (analytical hierarchy process). Hasil AHP menunjukan urutan kepentingan tiap perspektif pada balanced scorecard pelabuhan. Hasil dari penyebaran kuesioner diperoleh nilai pembobotan dari keempat perspektif balanced scorecard, yaitu: responden memilih perspektif pelanggan sebagai perspektif yang paling penting yang ditandai dengan nilai tertinggi yaitu sebesar 37,5% terhadap visi Otoritas Pelabuhan, perspektif pembelajaran dan pertumbuhan sebesar 31,5%, kemudian diikuti oleh perspektif keuangan sebesar 17,6%, dan yang terakhir adalah perspektif proses bisnis internal 13,4%.
Marine Debris Pollution and Its Impact on the Mangrove Ecosystem (Case Study: Karimunjawa Island and Kemujan Island, Indonesia) Rafsanjani Fajrin, Erba; Damar, Ario; Taryono
Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Vol 14 No 3 (2024): Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (JPSL)
Publisher : Pusat Penelitian Lingkungan Hidup, IPB (PPLH-IPB) dan Program Studi Pengelolaan Sumberdaya Alam dan Lingkungan, IPB (PS. PSL, SPs. IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jpsl.14.3.516

Abstract

Coastal areas possess a diverse potential wealth of natural resources that can be developed and utilized by humans, such as fisheries, marine tourism, and transportation. One form of disruption to the balance of coastal and marine ecosystems is the pollution caused by waste. The Karimunjawa Islands face serious challenges related to waste pollution. Therefore, an identification of carried out regarding the composition of polluting waste as well as impacts or disruptions caused by marine waste pollution on the mangrove ecosystem in the coastal areas of Karimunjawa Island and Kemujan Island. Various types of waste were found at the research site, including plastic, metal, glass, rubber, organic, and others. Based on the enteri locations of Karimunjawa Island and Kemujan Island, 370 items of plastic waste and macro-debris amounted to 442, predominantly on Lumbung Beach. The dominant mangrove is Rhizophora sp., which has muddy sandy substrate. From the results of this study, it can be concluded that this waste situation makes the coastal areas of Karimunjawa Island and Kemujan Island vulnerable to environmental pollution problems. The impact on the environment is a decrease in benthic biota density owing to the abundance of waste. The higher the density of waste, the lower the density of benthic species found in the mangrove ecosystemenvironment.
The Blessed Land: Internalization of Past Disaster into Culture by Sangihes Coastal Community Christian, Yoppie; Desmiwati, Desmiwati; Damar, Ario
International Journal of Disaster Management Vol 3, No 1 (2020)
Publisher : TDMRC, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/ijdm.v3i1.17085

Abstract

This paper explores how the coastal community of Sangihe Island, North Sulawesi, Indonesia adapted from past disasters through internalization of bad memories. To build an understanding of the cultural construction of this adaptation, this paper uses a cultural ecology framework and information collected through phenomenological study to identify the primary socio-historical information derived from past disasters. The results of the research show that the community has internalized the memories of disaster through material and non-material culture, as well as spatial arrangements of infrastructure to address the multiple threats of volcanic eruption, tsunami and typhoon risks, witnessed by their ancestors. This paper shows that the communities of Sangihe apply embedded knowledge and experience into daily practices. This is one of the models of indigenous knowledge-based disaster risk reduction, which can be a foundation for the present generations outside Sangihe to minimize the impact of disasters.
Variation of nitrate concentration and light level on growth rate of diatom Chaetoceros muelleri Rahayu, Siti Mira; Damar, Ario; Krisanti, Majariana
Acta Aquatica: Aquatic Sciences Journal Acta Aquatica: Jurnal Ilmu Perairan, Vol. 9: No. 2 (August, 2022)
Publisher : Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/aa.v9i2.6789

Abstract

Microalgae are cultured as natural feed for the cultivation of mollusks, crustaceans (early larval stages), and zooplankton. Diatoms are phytoplankton groups commonly used as feed, one of which is Chaetoceros muelleri. This study aims to identify the optimal nitrate concentrations and light level (irradiance) for the growth rate of C. muelleri. Culture was placed in nitrate 1,330; 5,305; and 27,030 mg/L (N1, N2, N3, respectively); and light 50, 100, and 150 µmol/m2/s, with three replications for each treatment. The response variable observed was the growth rate of C. muelleri and nitrate uptake. Each nitrate treatment resulted in a significant difference in the growth rate of C. muelleri (LSD, p < 0.01). The N3 treatment produced the highest growth rate (average 0,188-0,193 cells/day), while N1 produced the lowest specific growth rate (average 0,149-0,157 /day). In light treatment, a significant difference was only seen in the light levelof 150 µmol/m2/s (LSD, p < 0.05) which produced the highest growth rate (average 0.157-0.193 cells/day), especially in the nitrate N1 and N2. Meanwhile based on the significance test, the interaction between nitrate and light treatment was not significant.Keywords: Chaetoceros muelleri; Growth rate; Irradiance; Nitrate
Ecological study and coral mortality in the horizontal marine zone of Beras Basah Island, Bontang Rosdiani, Yulistika; Yulianda, Fredinan; Damar, Ario
Acta Aquatica: Aquatic Sciences Journal Acta Aquatica, Vol. 12: No. 2 (August, 2025)
Publisher : Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/aa.v12i2.22280

Abstract

This study aims to assess the ecological value and coral mortality in the horizontal marine zone of Beras Basah Island. The research was conducted by observing coral reefs at four stations positioned horizontally at depths of 3 meters and 5 meters using the Line Intercept Transect (LIT) method. The key parameters analyzed in this study included coral cover percentage, diversity index, dominance index, evenness index, and mortality index. The recorded coral cover percentages were as follows: hard coral (26.91%), soft coral (16.42%), sponge (0.47%), other biotic components (0.44%), algae (5.86%), dead coral with algae (21.07%), dead coral (1.78%), sand (6.60%), rubble (9.26%), and silt (11.19%). The condition of coral reefs in the horizontal marine zone of Beras Basah Island was classified as moderate, with a live coral cover value of 26.91%, based on the classification by Gomez and Yap (1988). The highest diversity index value (2.46) was recorded at Station 1(a), indicating a relatively stable community structure, while the lowest diversity index value (1.98) was observed at Station 3(b), reflecting lower diversity and potential environmental stress or disturbance in the area. This is further supported by the highest dominance index value (0.17) also found at Station 3(b). The highest evenness index values (0.87) were observed at Stations 1(a) and 1(b), indicating stable communities with high similarity and evenness. The highest coral mortality index (0.53) was recorded at Station 2(a), located in the northern area at a depth of 3 meters in the waters of Beras Basah Island. Keywords: Beras Basah Island; Biodiversity; Coral Reef; Ecological Index; LIT Method; Mortality Index
QUALITATIVE ANALYSIS OF MEASURED FISH CAPTURE POLICY IN INDONESIA’S FISHERIES MANAGEMENT Riadi, Septa; Damar, Ario; Purnamadewi, Yeti Lis; Pertiwi, Setyo; Wahyudin, Yudi
Jurnal Segara Vol 19, No 3 (2024): December
Publisher : Politeknik Kelautan dan Perikanan Dumai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/segara.v19i3.15407

Abstract

Abstract
PENGARUH KAWASAN KONSERVASI PERAIRAN TERHADAP POPULASI IKAN KARANG DI PULAU AY DAN RHUN, KEPULAUAN BANDA, PROVINSI MALUKU Welly, Marthen; Fahrudin, Achmad; Bengen, Dietriech G.; Damar, Ario
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 12 No. 1 (2020): Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (808.453 KB) | DOI: 10.29244/jitkt.v12i1.25376

Abstract

Kawasan konservasi perairan (KKP) berfungsi untuk mengelola sumber daya perikanan dan keanekaragaman hayati laut agar dapat dimanfaatkan secara berkelanjutan. Kondisi ikan karang merupakan salah satu bioindikator untuk mengukur dampak pengelolaan KKP. Tujuan dari penelitian ini adalah untuk melihat dampak pembentukan KKP Daerah (KKPD) Pulau Ay dan Pulau Rhun terhadap sumber daya perikanan karang di Kepulauan Banda, Maluku, Indonesia. Metode yang digunakan untuk pengumpulan data yaitu Underwater Visual Census (UVC) dan Fish Length Estimation dengan bantuan peralatan SCUBA. Analisis data dilakukan dengan membandingkan data sekunder dan data primer yang meliputi kelimpahan, biomassa, status tropik dan komposisi ukuran ikan besar dan ikan kecil dari 10 famili ikan target dan ekonomis penting sebelum dan sesudah Pulau Ay dan Pulau Rhun dicadangkan sebagai KKP. Hasil penelitian menunjukan bahwa kelimpahan dan biomassa ikan karang secara temporal berfluktuasi sebelum dan sesudah Pulau Ay dan Pulau Rhun dicadangkan sebagai KKP, namun masih dalam kondisi melimpah dan tinggi. Status tropik dan komposisi ukuran ikan karang berubah-ubah sebelum dan sesudah pencadangan KKP, namun masih dalam kondisi seimbang antar kelompok tropik, ikan besar dan ikan kecil. Kesimpulan penelitian ini adalah pencadangan KKPD memberikan dampak positif terhadap sumber daya ikan karang di Pulau Ay dan Pulau Rhun.
KAJIAN POTENSI DAN PENGELOLAAN BERKELANJUTAN EKOSISTEM MANGROVE PULAU PANNIKIANG, KABUPATEN BARRU, SULAWESI SELATAN Rusdi, Rismawaty; Setyobudiandi, Isdrajad; Damar, Ario
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 12 No. 1 (2020): Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (692.863 KB) | DOI: 10.29244/jitkt.v12i1.26065

Abstract

The best planning and management can be fulfilled if complete and accurate information is available. This research generally aims to examine the potential of mangrove ecosystems on Pannikiang Island in terms of ecological conditions and economic value to assess sustainability status and determine mangrove ecosystem management recommendations. Ecological data collection was carried out by observation, interviews with purposive sampling method, and literature review. Ecological analysis used an important value index, economic analysis used consumer surplus, replacement cost, contingent value, and sustainability analysis used a modification of Rapid Appraisal for Fisheries (RAPFISH) software. The mangrove species that identified were Rhizophora apiculata, Rhizophora mucronata, Bruguiera gymnorrhiza, Bruguiera sexangula, Ceriops tagal, Sonneratia alba, Xylocarpus granatum, Xylocarpus moluccensis, Aegiceras corniculatum, Lumnitzera racemosa and Avicennia marina. The results analysis of the total economic value of mangrove ecosystem on Pannikiang Island with an area obout 86.31 ha was Rp5.050.275.373,00 /year or an average was Rp58.513.212,00 /ha/year. The sustainability status of the mangrove ecosystem on Pannikiang Island based on multidimensional analysis is still relatively unsustainable. Therefore, some strategy recommendations are rehabilitation of mangrove vegetation; controlling the utilization of mangrove ecosystems carried out by community, especially exploitative uses; involve community in mangrove ecosystems management; make formal regulation related to management of mangrove ecosystems.
INDEKS KEPEKAAN LINGKUNGAN EKOSISTEM MANGROVE TERHADAP TUMPAHAN MINYAK: STUDI KASUS DI PESISIR SUBANG, JAWA BARAT Nurjaya, I Wayan; Damar, Ario; Rikardi, Novit
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 13 No. 1 (2021): Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jitkt.v13i1.31792

Abstract

Ekosistem mangrove di daerah pesisir Subang berpotensi terdampak oleh tumpahan minyak. Tumpahan minyak di daerah tersebut bisa bersumber dari kecelakaan pada kegiatan eksploitasi minyak bumi. Oleh karena itu, diperlukan antisipasi dan rencana yang komprehensif untuk melindungi lingkungan dari tumpahan minyak. Indeks Kepekaan Lingkungan (IKL) dapat digunakan untuk mengklasifikasi tingkat kepekaan ekosistem mangrove terhadap tumpahan minyak. Penelitian ini bertujuan untuk menghitung IKL ekosistem mangrove di daerah pesisir Subang. IKL dibentuk dari gabungan Indeks Kerentanan (IK), Indeks Ekologi (IE) dan Indeks Sosial ekonomi (IS). Data sekunder diperoleh dengan cara studi literatur, sedangkan pengambilan data primer dilakukan di 13 lokasi pengamatan. Parameter IK terdiri dari kemiringan pantai, tipe pasang surut, rentang pasang surut, tinggi gelombang, tipe substrat dan jarak mangrove dari bibir pantai. Parameter IE terdiri dari zonasi mangrove, kepadatan mangrove, keragaman mangrove, umur mangrove, keberadaan spesies dilindungi dan status konservasi mangrove. Parameter IS terdiri dari komponen sosial dan komponen ekonomi. Hasil penelitian menunjukkan bahwa ekosistem mangrove di pesisir Subang memiliki tingkat kepekaan dari cukup peka hingga peka. Dari 13 lokasi pengamatan, hanya 3 lokasi yang memiliki status peka terhadap tumpahan minyak. Daerah tersebut adalah Tegal Tike, Anggaranu, dan Tanjung. Walaupun tingkat kepekaan daerah pengamatan didominasi oleh kategori cukup peka, namun perlindungan ekosistem mangrove dari tumpahan minyak harus menjadi prioritas.
Co-Authors Abd Saddam Mujib Abdul Haris Achmad Djaelani Achmad Fahrudin Achmad Fahrudin Achmad Fahrudin Aditya Bramana Adrian Hidayat Adriman, Adriman Agus Atmadipoera Agus Ramli Agus Setiyono Agustinus M Samosir Agustinus M. Samosir Ai Solihat Akhmad Solihin Al Amin, M. Arsyad Al Azhar Al Azhar Alan Frendy Koropitan Ali Mas'ud Dwi Cahyo Alianto , Alimudin Laapo Alya Dina Wilujeung Am Azbas Taurusman Andhi Setyonugroho Ari Purbayanto Aries Asriansyah Astuti, Ella Yuni Aswin Aulia Fitri Jamal Ayu Andriani Bambang Sumartono Beginer Subhan Budy Wiryawan Charles Parningotan Haratua Simanjuntak Christian, Yoppie Cicik Kurniawati Dedi Soedharma Dedi Soedharma Dedy Eka Syaputra Desmiwati Desmiwati Desmiwati, Desmiwati Dewayani Soetrisno Dewayani Sutrisno Dietiech G. Bengen Dietriech Geoffrey Bengen DTF Lumban Batu Edwarsyah Edwarsyah Enan M. Adiwilaga Enan M. Adiwilaga Enan M. Adiwilaga Enang Harris Evy Damayanthi Febrizal . Ferdinan Yulianda FERY KURNIAWAN Fery Kurniawan Flandrianto Sih Palimirmo Fonseca, Abilio da Fredinan Yulianda Gatot Yulianto Happy Widyarini Hartoni . Hartoni ., Hartoni Hartrisari Hardjomidjojo Hasim Hawis H Madduppa Hefni Effendi Helmy Akbar Heny Suseno Heny Suseno Holyness Nurdin Singadimedja I Wayan Nurjaya I.W. Nurjaya Idqan Fahmi Imam Bachtiar Imam Bahtiar, Imam Inul Adkha IPB, DGB Isdrajad Setyobudiandi Ismudi Muchsin Ismudi Muchsin Ivonne M. Radjawane Jamal, Aulia Fitri Kadarwan Soewardi Kasman Kasman Lala M Kolopaking Lubis, Khairul Luky Adrianto M Agus Setiadi M F Rahardjo M. Muklis Kamal M. Taufik M.F. Rahardjo M.F. Rahardjo Ma'mun Sarma Majariana Krisanti Marjariana Krisanti Masykhur Abdul Kadir Mennofatria Boer Minsaris, La Ode Alam Mira Rahayu Mohammad Mukhlis Kamal Muarif Muarif Muarif Muarif Muhammad Ridwan Muhammad Taufik Nahrowi Neneng Marlian NEVIATY PUTRI ZAMANI Ngurah Nyoman Wiadnyana Niken T.M. Pratiwi Noveldesra Suhery Nur Asia Umar Nurfadillah Nurfadillah Nyoman Darma Adi Nyoman Dati Pertami Oktariza, Wawan Pana, Otto Baka Paryono - Paryono Paryono Paulus Boli Purwanto, Budi Purwiyatno Hariyadi Puspita, Lorensia Rafsanjani Fajrin, Erba Rahmat Kurnia Rahmat Padyawan, Andhy Reiza Maulana Aditriawan Reny Puspasari Riadi, Septa Richardus F. Kaswadji Rifki Aldi Ramadhani Rikardi, Novit Rilus Kinseng Rokhmin Dahuri Rokhmin Dahuri Roni Hermawan Roni Hermawan Rosdiani, Yulistika Rusdi, Rismawaty Safwan Hadi Santos, Alzira de Jesus dos Santoso Rahardjo Setyo Budi Susilo Setyo Pertiwi Sigid Hariyadi Sigid Hariyadi Sigit Winarno Singgih Afifa Putra Singgih Afifa Putra Solihat, Ai Sri Mira Rahayu Sri Purwaningsih, Sri Sri Suryo Sukoraharjo Sudradjat Sugeng Budiharso Sugeng Budiharsono Suharsono . Suharsono _, Suharsono Sulistiono Sulistiono Sumiati Suria Darma Tarigan Syamsul Bahri Agus, Syamsul Bahri Taryono Taryono Tridoyo Kusumastanto Ulfah Juniarti Siregar Welly, Marthen Yeti Lis Purnamadewi Yonvitner - Yoppie Christian Yudhi Amrial Yudi Wahyudin Yusli Wardiatno Zinedine Putra Adinegoro Zulfikar Afandy Zulfikar Afandy Zulhamsyah Imran