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Sediment Transport and Economic Social Effect of Bowone People Mining Sangihe Islands Regency Kumaseh, Eunike Irene; Sarapil, Costantein Imanuel; Ikhtiagung, Ganjar Ndaru
Jurnal Ilmiah Platax Vol. 11 No. 2 (2023): ISSUE JULY-DECEMBER 2023
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/jip.v11i2.48734

Abstract

This study aims to determine the magnitude of the sedimentation rate and the prediction of sediment transport in Binebas Bay as the scope of the Bowone people's mine run-off disposal area, as well as the socio-economic impacts on the community and especially for fishermen. Sediment diameter measurements were carried out by taking sediment samples at each station using a sediment trap. Sediment traps made of pipes will be installed at each station and the height of the sediment will be measured using a ruler every 2 weeks for 3 months. The research data were analyzed using the comparative method, namely the results of measuring the sediment rate in the field compared to the calculation results according to Engelund. The sediment rate in the waters of Binebas Bay which is close to the people's mining in Bowone Village is 0,058943 m3/year. Sediment transport in the waters of Binebas Bay is  m3/m*s. Sedimentation is still relatively low (small) in the waters of Binebas Bay. Socially, people's mining activities in Kampung Bowone have a positive impact where there is the availability of employment opportunities for the community. Economically, people's mining activities increase people's income. However, the negative impact is environmental damage. Keywords: sediment transport; socio-economic impact; people's mine; Bowone village; Sangihe Islands Abstrak Penelitian ini bertujuan untuk mengetahui besarnya laju sedimentasi dan prediksi transport sedimen di Teluk Binebas sebagai lingkup wilayah buangan run-off tambang rakyat Bowone, serta dampak sosial ekonomi bagi masyarakat dan khususnya bagi nelayan. Diameter sedimen diukur dengan mengambil sampel di tiap Stasiun. Perangkap sedimen dibuat dari pipa dan diukur tinggi sedimennya tiap 2 minggu  selama 3 bulan. Data penelitian dianalisis kemudian dilakukan komparasi antara hasil pengukuran laju sedimentasi di lapangan dengan hasil perhitungan transportasi sedimen menurut Metode Engelund. Laju sedimen di perairan Teluk Binebas yang dekat dengan pertambangan rakyat Kampung Bowone yaitu sebesar 0,058943 m3/ tahun. Transpor sedimen di perairan Teluk Binebas yaitu  m3/m*s. Sedimentasi masih tergolong rendah (kecil) di perairan Teluk Binebas. Secara sosial, kegiatan pertambangan rakyat di Kampung Bowone memberikan dampak yang positif dimana terdapat ketersediaan lapangan kerja bagi masyarakat. Secara ekonomi, kegiatan pertambangan rakyat meningkatkan pendapatan masyarakat. Namun, dampak negatifnya adalah kerusakan lingkungan. Kata kunci: transport sedimen; dampak sosial ekonomi; tambang rakyat; kampung bowone; kepulauan sangihe
Pelatihan Pengolahan Limbah Kayu Mahoni (Swietenia Mahagoni) Pada BUMDes Banjarwaru Ariawan, Radhi; Laksana, Nur Akhlis Sarihidaya; Jati, Unggul Satria; Tarigan, Roy Aries Permana; Girawan, Bayu Aji; Wanti, Linda Perdana; Prasetya, Nur Wachid Adi; Ikhtiagung, Ganjar Ndaru
Journal of Community Development Vol. 5 No. 2 (2024): December
Publisher : Indonesian Journal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47134/comdev.v5i2.258

Abstract

Banjarwaru village is one of the villages in Cilacap district with the potential for wooden broom handle craft commodities. The processing of mahogany wood (Swietenia mahagoni) into broom handles produces wood waste that has not been utilized optimally. The accumulation of wood waste is caused by a lack of knowledge among the Banjarwaru village woodworking community regarding the potential dangers, benefits, and economic value of wood waste. Therefore, training in wood waste processing into value-added products such as particleboard is needed. The Community service team together with BUMDes Banjarwaru carried out mentoring activities as a solution method for utilizing wood waste. The mentoring activities carried out consist of educating the negative effects of wood waste on the environment, educating the potential and benefits of wood waste in another processed forms, and training in wood waste processing into particleboard. These series of activities succeeded in increasing the woodworking community understanding of wood waste by 81.6%. The success rate of mentoring reached 91,67% shown by 11 out of 12 mentoring participants understood the potential danger, benefits, and other processed forms of wood waste.
Mapping the Quality of Soft and Hard Skills of Industrial Internships Using Importance Performance Index and Customer Satisfaction Index Ikhtiagung, Ganjar Ndaru; Firdhaus, Faidzin; Sarapil, Costantein Imanuel
JMKSP (Jurnal Manajemen, Kepemimpinan, dan Supervisi Pendidikan) Vol. 7 No. 1 (2022): JMKSP (Jurnal Manajemen, Kepemimpinan, dan Supervisi Pendidikan
Publisher : Graduate Program Magister Manajemen Pendidikan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31851/jmksp.v7i1.6926

Abstract

Industrial internships are a means for students to gain work experience while at the same time understanding the organizational environment and solving problems in the company/industry. This study aims to map the quality of soft skills and hard skills to the satisfaction of companies/industries where students carry out Industrial Internships, to get the results of mapping the quality of soft skills and hard skills the methods used are Importance-Performance Analysis (IPA) and Customer Satisfaction Index (CSI). The object of research used in this study is the population of Industrial Internship students in 2021, amounting to 110 students. The questions used in the questionnaire use a range of 1-7 where the company/industry conducts an assessment by filling out a statement question questionnaire where the distance is 3 months, the distance is the ideal distance for stakeholders in assessing the quality of students' soft skills and hard skills. The implication of the research results from the mapping of soft skills and hard skills of Industrial internships students is that the attributes contained in quadrant A consist of soft skills: self-confidence, motivation, and adaptability. And hard skills: Proficient in maintaining work tools, Learning Speed to use new work tools, and Ability to provide opinions, are attributes that need to be considered by the Department of Electronic Engineering to maintain company/industry trust to continue to accept the Industrial Internship program.
The Customer Purchasing Situation Outcomes of Celebrity Endorsement and Brand Awareness Activities: English Firdhaus, Faidzin; Ikhtiagung, Ganjar Ndaru; Sarapil, Costantein Imanuel; Vionika, Igna Findy
JMKSP (Jurnal Manajemen, Kepemimpinan, dan Supervisi Pendidikan) Vol. 8 No. 2 (2023): JMKSP (Jurnal Manajemen, Kepemimpinan, dan Supervisi Pendidikan)
Publisher : Graduate Program Magister Manajemen Pendidikan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31851/jmksp.v8i2.11538

Abstract

The aim of this study was to investigate the role of celebrity endorsement and brand awareness activities on the consumer purchasing situation of halal cosmetic products, especially Wardah brand products. The sample in this study consisted of 384 respondents in Central Java, Indonesia, where the characteristics of the respondent are female or female and consist of several types of nominal data such as age, occupation, income, and education. This survey was conducted on female respondents aged 18–40 years and of course, have purchased or have never purchased Wardah whitening cream products. This study shows that there is a positive influence between celebrity endorsements and brand awareness. Another important finding in the research is that the celebrity endorsement variable has a significant and significant effect on the purchase intentions variable. This study clearly finds that the brand awareness variable has no effect on the purchase intention variable. There is no influence of brand awareness variables on purchase intentions in this research because brand awareness is in the range between feelings of uncertainty about brand recognition. In addition, in the findings of this study, it is known that the brand awareness variable has no role in mediating the relationship between celebrity endorsement variables and purchase intentions.
ANALYSIS OF THE RELATIONSHIP BETWEEN FINANCIAL MANAGEMENT IN THE INTERNAL FOUNDATION KHOIRU UMMAH CILACAP Firdhaus, Faidzin; Ikhtiagung, Ganjar Ndaru; Hastuti, Hety Dwi
Jurnal Ilmu Akuntansi dan Bisnis Syariah (AKSY) Vol 6, No 1 (2024): Jurnal Ilmu Akuntansi dan Bisnis Syariah
Publisher : UIN Sunan Gunung Djati Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15575/aksy.v6i1.31674

Abstract

As one type of non-profit entity, the Foundation has a mandate from the Law of the Republic of Indonesia to be able to manage its finances properly. This study was conducted related to the financial management relationship between Khoiru Ummah Cilacap Foundation and the business entities under it, which was carried out to find out the current management conditions, compare them with the ideal management principles, and provide a proposed road map for improving financial management. The research was conducted using descriptive qualitative methods by collecting data through interviews and observations, which will then be analyzed to obtain an overview of a problem. From the analysis of the data obtained, it is known that currently the financial management of the Foundation has not been fully integrated, so that it can be proposed to plan concrete steps for the integration of financial management so that the Foundation can optimize the liquidity and cash flow available for the sustainability of the Foundation's operations and all its business entities.
ANALISIS KELAYAKAN FINANSIAL USAHA IKAN CAKALANG BEKU (KATSUWONUS PELAMIS) DAN IKAN DEMERSAL BEKU DI PULAU BEENG KABUPATEN KEPULAUAN SANGIHE Sarapil, Costantein Imanuel; Kumaseh, Eunike Irene; Bawias, Ishak; Ikhtiagung, Ganjar Ndaru
Epigram Vol 21 No 01 (2024): Volume 21 No. 01 Tahun 2024
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/epi.v21i01.6479

Abstract

The research aims to conduct a feasibility analysis of the frozen fish business in Beeng Village, Center South Tabukan District to improve the welfare of fishermen. In the feasibility analysis of frozen skipjack tuna business, the BCR value = 5.19. This means that the BCR value is> 1, so this indicator shows that the frozen skipjack tuna business is worth continuing. The NPV value is IDR 37.142.857,- which is positive and the IRR is 94%. This shows that the frozen skipjack tuna business is worth continuing. Meanwhile, in the feasibility analysis of the frozen demersal fish business, the BCR value was 16.43, NPV IDR 72.845.714, IRR 43%. BCR value > 1, NPV is positive, so this business is worth continuing.  
Wood Waste Crushing Machine Training at BUMDes Banjarwaru Sejahtera Wanti, Linda Perdana; Laksana, Nur Akhlis Sarihidaya; Jati, Unggul Satria; Tarigan, Roy Aries Permana; Girawan, Bayu Aji; Ariawan, Radhi; Prasetya, Nur Wachid Adi; Ikhtiagung, Ganjar Ndaru
Pengabdian: Jurnal Abdimas Vol. 2 No. 3 (2024)
Publisher : Yayasan Pendidikan Islam Daarut Thufulah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70177/abdimas.v2i3.847

Abstract

Background. BUMDes Banjarwaru Sejahtera is a business owned and managed by the people of Banjarwaru Village, Cilacap Regency. Some of the businesses that have been managed by BUMDes Banjarwaru Sejahtera include renting molen machines and making handicrafts such as broom handles and woven bamboo household crafts which produce an abundance of wood waste left over from the production process. So far, this wood waste has been sold to tofu craftsmen as fuel for the tofu production process. Purpose. People can use wood waste as added value by processing wood waste into handicrafts that have high economic value so that they can improve the welfare of the people of Banjarwaru village. Through this community service activity, training will be held on the use of wood waste chopping machines so that processed wood waste can be made into handicrafts such as particle boards or other handicrafts. Method. The method used is a lecture method where the community service team who are lecturers at the Cilacap State Polytechnic provide training on the use of wood waste chopping machines to members of BUMDes Banjarwaru Sejahtera and several wood craftsmen in Banjarwaru village. Results. The results of this community service activity have had a positive impact on business development at BUMDes Banjarwaru Sejahtera. Conclusion. Through this community service activity, it can be concluded that this activity has had a positive impact on the business development of BUMDes Banjarwaru Sejahtera. Apart from this, training in the use of wood waste chopping machines can also increase the competence of wood craftsmen in Banjarwaru village so they can produce more varied crafts made from wood waste.
Kondisi Hidro-Oseanografi di Pulau Marore, Sangihe Kumaseh, Eunike Irene; Sarapil, Costantein Imanuel; Patras, Mareike Doherty; Tatontos, Yuliana Varala; Ikhtiagung, Ganjar Ndaru
Jurnal Manajemen Pesisir dan Laut Vol 3 No 01 (2025): Jurnal Manajemen Pesisir dan Laut
Publisher : Program Studi Teknik Kelautan Universitas Abdurachman Saleh Situbondo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36841/mapel.v3i01.6320

Abstract

Pulau Marore, termasuk dalam wilayah administrasi Kecamatan Kepulauan Marore, merupakan sebuah pulau yang terletak di kawasan perbatasan Indonesia dengan Pulau Balut dan Pulau Saranggane (Filipina). Penelitian ini bertujuan untuk penentuan karakteristik hidro – oseanografi yang lebih tepat di Pulau Marore, demi perencanaan & pelaksanaan pembangunan yang tepat sasaran bagi masyarakat di wilayah pesisir dan pulau – pulau kecil. Metode perhitungan pasang surut menggunakan Metode Admiralty. Dalam penentuan perhitungan tinggi dan periode gelombang diperoleh dengan menggunakan metode Hind Casting (metode peramalan gelombang laut berdasarkan data kecepatan angin yang terjadi di beberapa waktu sebelumnya dan peta lokasi yang ditinjau. Sedangkan untuk penentuan pola arus dilakukan pengukuran secara in-situ di lokasi penelitian. Arah angin dominan di Pulau Marore yaitu arah Timur Laut. Intensitas arah gelombang bulan Januari – Februari di wilayah perairan Pulau Marore hingga Pulau Miangas bisa mencapai 4 – 5 meter. Pada bulan Agustus – September, kondisi perairan menjadi lebih ekstrim, intensitas arah gelombang mengarah ke Samudera Pasitik yaitu arah Utara – Barat Laut Perairan Sangihe - Talaud, serta tinggi gelombang bisa mencapai lebih dari 5 meter. Jenis pasang surut di Pulau Marore yaitu semi-diurnal, 2x terjadi pasang dan 2x terjadi air surut. Arus terjadi sebesar 0,33 m/s. Perbedaan kemiringan morfologi dasar yang berpengaruh langsung terhadap tinggi gelombang yang terjadi di sekitar pantai. Gelombang datang dari laut lepas tidak mengalami peredaman energi oleh dasar laut, sehingga gelombang pecah di daerah pantai. Kondisi hidro – oseanografi di Pulau Marore terbilang ekstrim, sehingga perlu adanya perencanaan pembangunan struktur pelindung pantai yang lebih kuat dari struktur pantai pada umumnya.
HANDLINE DALAM PENANGANAN PASCABENCANA ALAM BAGI KELOMPOK NELAYAN DI KAMPUNG LEBO KECAMATAN MANGANITU KABUPATEN KEPULAUAN SANGIHE Kumaseh, Eunike Irene; Sarapil, Costantein; Ikhtiagung, Ganjar Ndaru; Erlin Puspaputri
Jurnal Ilmiah Tatengkorang Vol 4 No 2 (2020): Jurnal Ilmiah Tatengkorang
Publisher : Pusat Penelitian dan Pengabdian Kepada Masyarakat, Politeknik Negeri Nusa Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54484/tkrg.v4i2.315

Abstract

Secara administratif, Kampung Lebo merupakan wilayah Kecamatan Manganitu Kabupaten Kepulauan Sangihe Provinsi Sulawesi Utara, dengan luas wilayah sebesar 6,59 km2. Jumlah penduduk 1.317 jiwa yaitu 489 KK, yang terdiri atas Laki – laki 809 jiwa dan perempuan 508 jiwa. Pada Tanggal 3 Januari 2020, Kampung Lebo dan beberapa kampung di sekitarnya mengalami bencana alam banjir bandang, yang memakan korban jiwa sebanyak 3 orang. Bantuan penyediaan handline dapat membantu nelayan di Kampung Lebo untuk memperbaiki penghidupan mereka yang lebih baik. Handline atau Pancing ulur terdiri atas beberapa komponen yaitu gulungan tali, tali pancing, mata pancing, dan umpan buatan. Solusi yang dilakukan yaitu pemberian alat tangkap Handline bagi nelayan yang mengalami musibah dan pemberian pengetahuan bagi nelayan tentang manajemen keuangan hasil penjualan ikan. Metode pengabdian yaitu memberikan penyuluhan dan pelatihan, pendampingan, dan monitoring serta evaluasi. PKMS Handline memberdayakan kelompok nelayan di Kampung Lebo dalam usaha penangkapan ikan dengan menggunakan alat tangkap handline, bagi masyarakat lokal disebut Bawaede. Hasil tangkapan ada yang dijual dan ada juga yang digunakan untuk kebutuhan konsumsi sehari – hari. Nelayan dapat lebih efektif menangkap ikan dan membantu meningkatkan kehidupan ekonomi masyarakat pesisir. Administratively, Lebo Village is an area of ​​Manganitu District, Regency of Sangihe islands, Province of North Sulawesi, with an area of ​​6,59 km2. Total population is 1.317 people 489 households, consisting of 809 men and 508 women. On January 3rd, 2020, Lebo Village and surrounding villages experienced a flood, which killed 3 people. Handline assistance can help fisher in Lebo Village to improve their livelihoods. Handline consists of several components, namely roller, fishing line, hook, and artificial bait. The solution taken is providing Handline for fisher who experienced disaster and providing knowledge for fisher about financial management of fish sales. The method is providing counseling, training, mentoring, monitoring and evaluation. PKMS Handline empowers groups of fisher in Lebo Village to catch fish using handline, for the local community it is called Bawaede. The catch is sold and used for daily consumption needs. So the handline assistance can help improve the economic life of local community and the fishing ability of the fisher group.
Handling missing values and clustering industrial liquid waste using K-medoids Maharrani, Ratih Hafsarah; Abda'u, Prih Diantono; Ikhtiagung, Ganjar Ndaru; Rahadi, Nur Wahyu; Zaenurrohman, Zaenurrohman
Indonesian Journal of Electrical Engineering and Computer Science Vol 39, No 2: August 2025
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v39.i2.pp1411-1420

Abstract

The textile industry is a significant contributor to environmental pollution due to its wastewater, which contains hazardous substances such as dyes, heavy metals, and chemicals that can severely harm aquatic ecosystems. Effective management of this wastewater is crucial to mitigate its environmental impact. This study focuses on classifying industrial liquid waste data using the K-medoids clustering method, chosen for its robustness to noise and outliers compared to K-means. To address challenges in wastewater data processing, such as missing values and varying data scales, two approaches are compared: replacing missing values with zero and K-nearest neighbors (KNN) imputation, alongside Z-score normalization for data uniformity. The clustering quality is evaluated using the Davies-Bouldin index (DBI) for cluster variations of k=2, 3, 4, and 5. The results show that the best clustering quality is achieved at k=2, with the smallest DBI values obtained using KNN imputation (0.139) and zero replacement (0.149). The superior performance of KNN imputation highlights its effectiveness in handling missing data. These findings provide valuable insights into the characteristics of textile industry wastewater pollution, offering a robust framework for effective wastewater management. The study concludes with practical recommendations for policymakers and industry stakeholders to adopt advanced data-driven approaches for sustainable wastewater treatment strategies.