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All Journal HAYATI Journal of Biosciences MANAJEMEN HUTAN TROPIKA Journal of Tropical Forest Management Buletin PSP Jurnal Ilmu dan Teknologi Kelautan Tropis Jurnal Ilmu-Ilmu Perairan dan Perikanan Indonesia Forum Pasca Sarjana Maspari Journal AGRISAINS JURNAL PERIKANAN DAN KELAUTAN TROPIS ILMU KELAUTAN: Indonesian Journal of Marine Sciences Jurnal Akuatika Berkala Perikanan Terubuk POSITRON BIOTROPIA - The Southeast Asian Journal of Tropical Biology Maspari Journal Jurnal Penelitian Hutan Tanaman Jurnal Kelautan : Indonesian Journal of Marine Science and Technology Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Jurnal Bisnis Perikanan Journal of Indonesian Coral Reefs Jurnal Kelautan Tropis Omni-Akuatika MAJALAH ILMIAH GLOBE Jurnal Bina Praja BULLETIN OF THE MARINE GEOLOGY Marine Research in Indonesia Biosaintifika: Journal of Biology & Biology Education Indonesian Aquaculture Journal Jurnal Kebijakan Perikanan Indonesia Jurnal Segara Jurnal Sosial Ekonomi Kelautan dan Perikanan Jurnal Kebijakan Sosial Ekonomi Kelautan dan Perikanan Buletin Ilmiah Marina : Sosial Ekonomi Kelautan dan Perikanan JURNAL PERIKANAN TROPIS Asian Journal of Aquatic Sciences Makara Journal of Science Depik Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan Depik Jurnal Ilmu-Ilmu Perairan, Pesisir, dan Perikanan

Dietriech Geoffrey Bengen

Department Of Marine Science And Technology, Faculty Of Fisheries And Marine Science, Bogor Agricultural University, Academic Ring Road, Campus IPB Dramaga, Bogor, Indonesia 16680

Author-ID : 241924

Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology 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 Materials Science & Nanotechnology Physics Social Sciences Veterinary Other

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Mapping and validation of spatial algorithm for monitoring turbidity of seagrass habitat using sentinel-2B imagery in Ternate Island Paembonan, Rustam Effendi; Bengen, Dietriech Geoffrey; Nurjaya, I Wayan; Agus, Syamsul Bahri; Natih, Nyoman Metta N; Subhan, Beginer; Santoso, Joko
Depik Jurnal Ilmu Ilmu Perairan, Pesisir, dan Perikanan 2025: Special Issue ICFM
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.0.0.46989

Turbidity is a parameter of the marine environment that greatly affects the condition of seagrass whose habitat is an intertidal zone in shallow sea waters. Seagrass is an important type of ecosystem that can be found in several coastal areas of Ternate Island. This study aims to analyze the turbidity conditions of seagrass habitat waters and apply a remote sensing algorithm using Sentinel 2B images. The turbidity research method was carried out by field measurements. The turbidity algorithm model used refers to references with mathematical equations (Rrs665-0.014)/0.013, and the development of a new algorithm as a comparison algorithm. Both algorithms were validated with field data to determine the level of accuracy using the Normalized Mean Absolute Error (NMAE) and determination coefficient (R2). The results were obtained from turbidity data with values ranging from 0.3 NTU to 1.5 NTU with an average value of 0.87 0.45 NTU. The Sentinel 2B image in this study was restored with geometric corrections, atmosphere, radiometric digital values, land masking, and sun glint. The turbidity algorithm model used obtained good accuracy in mapping and monitoring the turbidity of seagrass habitat waters on Ternate Island. The application of the turbidity algorithm used as a reference in this study has an NMAE value of 50.44 and R2 of 0.8822, while the newly discovered turbidity algorithm has an NMAE value of 29.38 and R2 of 0.8827.Keywords:remote sensingecosystemscoastalsedimentationNorth Maluku

Preliminary study oceanography and environmental parameters of habitat endemic species Halmahera walking shark (Hemiscyllium halmahera) on Indopacific Ocean Area in North Maluku Indonesia Natih, Nyoman Metta N; Akbar, Nebuchadnezzar; Bengen, Dietriech G; Nurjaya, I Wayan; Subur, Riyadi; Baksir, Abdurrachman; Ismail, Firdaut; Wahab, Iswandi; Arafat, Dondy; Paembonan, Rustam E; Siolimbona, Abdul Ajiz; Rasidi, Rasidi; Budiman, Asep Sandra; Subhan, Beginer
Depik Jurnal Ilmu Ilmu Perairan, Pesisir, dan Perikanan 2025: Special Issue ICFM
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.0.0.46913

The Halmahera Walking Shark (Hemiscyllium halmahera) is an endemic species in the Halmahera Sea. Information related to the environment in general has not been described in a complex manner. The environment is the main factor to support the life of biota. Environmental characteristics are a determining factor in the sustainability of biota. The study aims to provide information related to the physical environment of the habitat of the H. halmahera species. Primary data collection was carried out directly (in situ). Current data was taken using the Lagrange method using a currents drogue. Tides using tidal palms and observed for 24 hours. Secondary data was taken from Marine Copernicus and the Geospatial Information Agency (BIG). All data were tabulated and analyzed by Ocean Data View (ODV) software. The results of the study found that the surface current velocity was found to be in the fast current category. Current speed descriptively provides information on the life of H. halmahera. Primary data shows that the direction of the surface current moves to the east and north. Secondary data in vertical distribution shows weak zonal and meridional current shifts. The tidal pattern was found to be two high and low tides (semidiurnal). The distribution of surface temperature was found to be around 30-32oC. The vertical temperature profile found three layers, namely 1-13m (30oC), 65m (25oC) and 71m (20oC). The chemical environment showed all normal variables. The physical and chemical environmental conditions support H. halmahera to inhabit the sea area of Morotai Island. The environmental description has provided a brief understanding of how the ecological role of the H. halmahera species. Management and sustainability of the environment in the future due to climate change can be done with information on habitat characteristics.Keywords:coral triangleHalmaheranicheNorth Malukutropical

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.0.0.46989

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.0.0.46913

Integrasi Kelembagaan Pengelolaan Kawasan Konservasi Perairan Daerah Kabupaten Raja Ampat Melalui Analisis Level Aksi Kelembagaan Nuraini, Nuraini; Satria, Arif; Wahyuni, Ekawati Sri; Bengen, Dietriech Geoffrey
Jurnal Kebijakan Sosial Ekonomi Kelautan dan Perikanan Vol 15, No 1 (2025): JUNI 2025
Publisher : Balai Besar Riset Sosial Ekonomi Kelautan dan Perikanan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/jksekp.v15i1.14900

Masalah pengelolaan kawasan konservasi seringkali dipengaruhi oleh ketidaksesuaian kebijakan antara pemerintah pusat, pemerintah provinsi dan pemerintah kabupaten serta bagaimana kepatuhan terhadap pelaksanaan kebijakan tersebut. Penelitian ini bertujuan untuk mengkaji integrasi kelembagaan pengelolaan kawasan konservasi perairan daerah melalui analisis pada tiga level aksi kelembagaan yaitu level konstitusional, kolektif dan operasional. Penelitian ini menggunakan metode kualitatif dengan pendekatan analisis konten peraturan dan analisis deskriptif. Penelitian dilakukan di Kampung Arborek, Yenbuba dan Sawinggrai Kabupaten Raja Ampat pada bulan Oktober 2022. Pengumpulan data diperoleh melalui wawancara, observasi, focus group discussion dan analisis dokumen Hasil penelitian menunjukkan bahwa Integrasi kelembagaan dalam pengelolaan kawasan konservasi perairan daerah Kabupaten Raja Ampat telah terbentuk. Pada level konstitusional, integrasi kelembagaan terlihat dari kesesuaian aturan mengenai pihak yang berwenang dalam penyusunan rencana zonasi dan pengelolaan kawasan konservasi perairan serta adanya pengakuan kewenangan masyarakat adat. Pada integrasi di level kolektif terwujud melalui adanya kesesuaian tujuan lintas sektor dan kerjasama antar pemangku kepentingan. Pada level operasional, integrasi kelembagaan terwujud melalui kesesuaian pemahaman mengenai batas wilayah konservasi perairan, pelaksanaan aturan konservasi dan pemberlakuan sanksi. Rekomendasi kebijakan yang dapat memperkuat integrasi kelembagaan pengelolaan kawasan konservasi perairan Raja Ampat antara lain: 1) penyesuaian pembaruan penetapan kebijakan mengenai wewenang pengelolaan antara pemerintah pusat, provinsi dan kabupaten; 2) peningkatan kapasitas kelembagaan Dewan Adat Suku Maya dengan cara memberi dukungan dana, keterampilan, atau keahlian untuk menjalankan program-program konservasi perairan; 3) penyesuaian luas konservasi antara yang ditetapkan oleh pemerintah pusat, pemerintah provinsi Papua Barat dan pemerintah Kabupaten Raja Ampat; serta 4) pemberian tanda batas pada zona-zona konservasi. Title : The Institutional Integration of Marine Conservation Area Management in Raja Ampat Regency Through Institutional Action Level AnalysisThe management of conservation areas is often influenced by the misalignment of policies between the central government, provincial government, and regional government, as well as the level of compliance with the implementation of these policies. This study aims to examine the institutional integration in the management of regional marine conservasion areas through an analysis of three institutional levels: constitutional, collective and operational. A qualitative method with a policy analysis and descriptive analysis approach was employed. The research was conducted in the villages of Arborek, Yenbuba, and Sawinggrai, Raja Ampat Regency, in October 2022. Data were collected through interviews, observations, focus group discussions, and document analysis. The findings show that institutional integration in the management of marine conservation areas in Raja Ampat Regency has been established. At the constitutional level, institutional integration is reflected in the alignment of regulations concerning the authorities responsible for drafting zoning plans and managing marine conservation areas, as well as the recognition of indigenous people’s authority. At the collective level, institutional integration is manifested in the alignment of cross-sectoral objectives, collaboration among stakeholders, and the involvement of indigenous communities. At the operational level, institutional integration is evident in the consistency of understanding regarding the boundaries of marine conservation area, the enforcement of conservation regulations, and the imposition of sanctions. Policy recommendations that could strengthen institutional integration in the management of marine conservation area in Raja Ampat include: 1) adjusting policies regarding management authority between the central, provincial, and regionak governments; 2) enhancing the institutional capacity of the Maya Indigenous Council by providing financial support, skills, or expertise to support marine conservation programs; 3) adjusting the area of the conservation between the central government,the West Papua Provincial Government and the Raja Ampat Regency government; and 4) marking boundaries in the marine conservation zones.

A Comparative Study of Social-Ecological Characteristics of Land-based and Island-based Small-Scale Fisheries in Southeast Sulawesi Province Ariston, Muhamad; Adrianto, Luky; Bengen, Dietriech G; Susanto, Handoko Adi; Zulfikar, Andi
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.14.3.484

Small-scale fisheries exhibit unique, diverse, and varied characteristics in each region. These distinctive traits render small-scale fisheries challenging to regulate centrally. This research aims to compare the characteristics of land-based and island-based small-scale fisheries in Southeast Sulawesi Province. Data were collected through structured interviews involving 445 respondents from two distinct areas: North Konawe, representing land-based fisheries, and Konawe Islands, representing island-based fisheries. Both qualitative (questionnaire data) and quantitative analyses were conducted using R software. Proportion data were tested using the R ggstatsplot package, while word cloud analysis utilized the R wordcloud package. The analysis of fishing ground distribution hotspots was performed using QGIS software version 3.30. The research findings demonstrate differences across various aspects, including education levels, boat sizes, fishing frequency, monthly income, and types of captured fish. Furthermore, the study highlights that island-based small-scale fisheries hold a higher income potential compared to their landbased counterparts. These differing characteristics serve as essential considerations in developing policies that support sustainable management of small-scale fisheries based on the needs of local communities.

KEPADATAN DAN POLA PERTUMBUHAN TERIPANG Holothuria scabra, Holothuria atra dan Bohadchia marmorata SERTA ASOSIASINYA DENGAN LAMUN DI PESISIR PULAU AMBON, SAPARUA, OSI DAN MARSEGU, PROVINSI MALUKU Luhulima, Yunita; Zamani, Neviaty Putri; Bengen, Dietriech Geoffrey
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 12 No. 2 (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 | DOI: 10.29244/jitkt.v12i2.23454

Holothuria scabra, Holothuria atra dan Bohadschia marmorata merupakan jenis teripang dengan habitat yang sangat beragam dan umumnya ditemukan dalam jumlah yang dominan dibandingkan jenis lainnya. Penelitian ini bertujuan untuk menganalisis kepadatan dan pola pertumbuhan teripang H. scabra, H. atra dan B. marmorata serta asosiasinya dengan jenis lamun di pesisir Pulau Ambon, Pulau Osi dan Pulau Marsegu. Asosiasi teripang dengan lamun dianalisis dengan menggunakan analisis koresponden (CA). Penelitian dilakukan pada bulan Oktober 2019 sampai November 2019. Pengambilan sampel dilakukan pada pada 3 stasiun yang mewakili masing-masing lokasi dengan menggunakan kuadran 1m2. Hasil penelitian mendapatkan kepadatan teripang berkisar dari 4,0 sampai 6,6 ind/100 m2. Secara keseluruhan pola pertumbuhan teripang adalah allometrik negatif dimana pertumbuhan panjang lebih cepat dibandingkan dengan pertumbuhan berat. Thalassia hemprichii merupakan jenis lamun dengan kerapatan tertinggi sebesar 64407 ind/100 m2 dan Halodule pinifolia adalah jenis terendah sebesar 900 ind/100 m2. Hasil koresponden analisis menunjukkan adanya tiga kelompok asosiasi antara teripang dengan lamun. Berdasarkan hasil penelitian menunjukkan bahwa Perbedaan jenis lamun dan kerapatan lamun berdampak pada kepadatan dan penyebaran jenis teripang.

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

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.

Font_matter: Font_matter Bengen, Dietriech Geoffrey
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

Font_matter

Back_matter: Back_matter Bengen, Dietriech Geoffrey
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

Back_matter

Co-Authors . Ahyar . Chaidir . Suharsono Abdul Harim Abdullah Hisam bin Omar Abdurrachman Baksir, Abdurrachman Abimanyu Takdir Alamsyah Abrahamsz, Jodie G. Achmad Fahrudin Achmad Fahrudin Achmad Fahrudin Achyani, Ratno Aditya Hikmat Nugraha Afdal Afdal, Afdal Agung Putra Utama Agus Atmadipoera Agus Sholeh Atmadipoera Agustin Rustam Ahmad Najid Al Azhar Al Azhar Alan Frendy Koropitan Alimudin Laapo An Nisa Nurul Suci Andhika Prima Prasetyo Andi Irwan Nur, Andi Irwan Angela Mariana Lusiastuti Anna Ida Sunaryo Purwiyanto Arief Pratomo, Arief Arif Satria Ario Damar Arisandi, Defrian Marza Ariston, Muhamad Asep Sandra Budiman, Asep Sandra Audina Putri Awal . Subandar, Awal . Awal Subandar Ayu, Inna Puspa Beale, Calvin S. Beginer Subhan Bintal Amin Budi Hascaryo Iskandar Budi Prabowo Budy Wiryawan Burhanis Burhanis Chaidir Chaidir Dafit Ariyanto Daulay, Anggi Mayulina David Smith Dedi Soedharma Dondy Arafat Efriyeldi, Efriyeldi Ekawati Sri Wahyuni Erlania Erlania Etty Riani Faisal Hamzah Fauzan Dzulfannazhir Ferawati Runtuboi Ferdinan Yulianda FERY KURNIAWAN Franto Novico Fredinan Yulianda Gede Iwan Setiabudi Hanif Budi Prayitno Hari, Restu Fajar Harpasis Slamet Sanusi Hawis H Madduppa Hefni Effendi Hilda Zulkifli Hilda Zulkifli Hilda Zulkifli I Wayan Nurjaya Idris Idris Ikbal Marus, Ikbal Ilham, Yuwanda Indri Manembu Ira Dillenia Irma Akhrianti Irmalita Tahir, Irmalita Isdradjad Setyobudiandi Isdradjad Setyobudiandi Ismail, Firdaut Isni Nurruhwati Isni Nurruhwati John Haluan John I Pariwono Joko Santoso Joshian N.W. Schaduw Juraij Juraij Kadarwan Soewardi Kotta, Raismin Kurdi Gunawan Lalu M Iqbal Sani Lalu M. Iqbal Sani Leni Maryani Lieng, Lieng LILIK BUDIPRASETYO Luhulima, Yunita Luky Adrianto Luzmi Malia Izza Mai Suriani Majariana Krisanti Martini Djamhur Maya F Tamimi Mennofatria Boer Meutia Samira Ismet Michael John Sweet Michael Sweet Miswandi, Muhammad Mudjirahayu Mudjirahayu Muh. Ishak Jumarang Muh. Rasman Manafi Muhammad Agus Muljanto Muhammad Kasnir Muhammad Masrur Islami, Muhammad Masrur Mujizat Kawaroe Mujizat Kawaroe Mujizat Kawaroe Mujizat Kawaroe Mujizat Kawaroe Mujizat Kawaroe Mulyono S. Baskoro N Natih, Nyoman Metta N, Furqan Najamuddin Najamuddin, Najamuddin Najid, Ahmad Nanda Tiara Diningsih Nebuchadnezzar Akbar Nella Tri Agustini, Nella Tri Neviaty P Zamani Neviaty P. Zamani NEVIATY PUTRI ZAMANI Neviaty Putri Zamani Noferya, Efi Noverita Dian Takarina Dian Takarina Novi Susetyo Adi, Novi Susetyo Novian Prahandhy Kusuma Nuraini Nuraini Nurlisa Alias Butet Nurlita Putri Anggraini Nyoman M N Natih Nyoman M.N Natih Ocky Karna Radjasa Ofri Johan Ofri Johan Ofri Johan Ofri Johan Paembonan, Rustam E Prakas Santoso Prayoga, Bintang R Widodo Rahma Aprilian Rahmat Kurnia Rahmat, Fadhlan Basiluddin Rainer A Troa Ramili, Yunita Rasidi, Rasidi Rastina, Rastina Restu, Yunan Gilang Retraubun, Alex S.W. Riana Faiza Richard J. Stanford Richardus F Kaswadji Richardus F Kaswadji Richardus Kaswadji Richardus Kaswadji RIDWAN AFFANDI Rika Anggraini Riris Aryawati Riris Aryawati Rita Rachmawati Riyadi Subur, Riyadi Robba Fahrisy Darus, Robba Fahrisy Rokhmin Dahuri Roni Bawole Rozirwan . Rudi Febriamansyah Rustam Effendi Paembonan, Rustam Effendi Ryan Adhitia Muslim Sadikin Amir Saenudin Safar Dody Salsabila, Afviya Samsuardi Samsuardi, Samsuardi Sebastian C. A. Ferse Setyaningsih, Wahyu Adi Setyo Handayani Setyo Pertiwi Simatupang, Candida Putri Nauli Siolimbona, Abdul Ajiz Sonja Kleinertz Subambang, R. Budiono Subhat Nurhakim Suhaemi Suharsono Suharsono Suharsono _, Suharsono Susanto, Handoko Adi Syahrial Syahrial Syamsul Bahri Agus, Syamsul Bahri Taqiyuddin, Muhammad Wijdan Taryono Tengku Zia Ulqodry Tirtama, Wahyu Tri Hartanto Tri Prartono Tridoyo Kusumastanto Try Al Tanto Ummu Salma Unstain NWJ Rembet Vijaya Isnaniawardhani Wahab, Iswandi Wahyudi, A’an Johan Welly, Marthen Welmar Olfan Barat, Welmar Olfan Wibowo, Eko S Wike Ayu Eka Putri Yanelis Prasenja Yennafri, Yennafri Yidoatimojo, Sudibyo Yuli Naulita Yulianto Suteja Yundari, Yundari Yunianto Setiawan Yusli Wardiatno Zamani, Nevianty P Zulfikar, Andi

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