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All Journal HAYATI Journal of Biosciences Jurnal Reka Lingkungan Syntax Literate: Jurnal Ilmiah Indonesia Journal of Tropical Crop Science jurnal syntax admiration Jurnal Dinamis Community Empowerment International Journal of Hydrological and Environmental for Sustainability Jurnal Pengabdian Papua Journal of Health and Nutrition Research Jurnal Indonesia Sosial Teknologi Journal Research of Social Science, Economics, and Management JURNAL BIOLOGI PAPUA Innovative: Journal Of Social Science Research Riwayat: Educational Journal of History and Humanities Journal of Innovative and Creativity Prosiding Seminar Nasional Unimus Abdimas Dinamis Indonesian Journal of Innovation Science and Knowledge Jurnal Medika: Medika Jurnal Teknologi dan Informatika
Bambang Suhartawan
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KAJIAN PENGGUNAAN METODE WEIGHTED ARITHMETIC WATER QUALITY INDEX (WAWQI) UNTUK MENENTUKAN STATUS MUTU AIR DANAU SENTANI JAYAPURA Andrea Karina Marielle Putri Abel; Bambang Suhartawan; Sarah A. Rumawak
Journal of Innovative and Creativity (Joecy) Vol. 6 No. 2 (2026)
Publisher : Fakultas Ilmu Pendidikan Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/joecy.v6i2.13251

Abstract

Danau Sentani merupakan danau terbesar di Provinsi Papua yang memiliki fungsi ekologis dan sosial-ekonomi penting bagi masyarakat di sekitarnya. Namun, peningkatan aktivitas antropogenik berupa limbah domestik, pertanian, dan keramba jaring apung (KJA) telah menjadi ancaman terhadap kualitas airnya. Penelitian ini bertujuan untuk: (1) menganalisis kondisi kualitas air Danau Sentani berdasarkan parameter fisika dan kimia; (2) menentukan status mutu air menggunakan metode Weighted Arithmetic Water Quality Index (WAWQI); dan (3) mengidentifikasi parameter yang paling berpengaruh terhadap penurunan kualitas air. Pengambilan sampel air dilakukan pada lima titik lokasi, yaitu Kampung Ifale, Yobeh, Asei Besar, Asei Kecil, dan Jaifuri, dengan sepuluh parameter uji meliputi suhu, pH, kekeruhan, DO, TDS, BOD, COD, nitrat, fosfat, dan amonia. Analisis data menggunakan metode WAWQI mengacu pada baku mutu air kelas II Peraturan Pemerintah Nomor 22 Tahun 2021. Hasil penelitian menunjukkan bahwa parameter BOD (4,11–8,31 mg/L), COD (77–154 mg/L), dan amonia (0,35–0,42 mg/L) telah melampaui baku mutu pada seluruh lokasi. Nilai WAWQI berkisar antara 113,89 (Jaifuri) hingga 128,38 (Ifale), yang mengklasifikasikan seluruh lokasi dalam status mutu “tidak layak minum” (unsuitable for drinking). Parameter amonia, fosfat, dan BOD secara kumulatif menyumbang lebih dari 96% terhadap nilai WAWQI, dengan amonia sebagai kontributor terbesar (81,58–97,89). Penelitian ini menyimpulkan bahwa kualitas air Danau Sentani telah mengalami penurunan signifikan akibat pencemaran limbah domestik dan aktivitas keramba jaring apung, sehingga diperlukan upaya pengendalian pencemaran yang terfokus pada pengelolaan limbah domestik dan pengaturan aktivitas perikanan budidaya.
Biology and life cycle of Euploea netscheri Snellen, 1889 (Lepidoptera: Danainae) on Hoya host plants (Apocynaceae) Daawia Daawia; I Made Budi; Bambang Suhartawan
Jurnal Biologi Papua Vol 18 No 1 (2026)
Publisher : Jurusan Biologi FMIPA Universitas Cenderawasih

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31957/jbp.4238

Abstract

Biological observations and life cycle studies of Euploea netscheri Snellen, 1899 on Hoya species were conducted at Yadikap Garden, Arso 2, Keerom, Papua, Indonesia, from June to August 2024.  Eggs laid by female butterflies on Hoya leaves were observed to record hatching time and the duration of the egg stage. Additionally, the total number of larval instars, the duration of each instar, and the duration of the pupal stage until emergence of the imago were documented. Measurements of the length of eggs, larvae, pupae, and adult butterflies were carried out using a caliper. The behavior and morphological characteristics of each larval instar, as well as those of the pupae and adults, were observed and recorded. Female E. netscheri butterflies were found to lay eggs on the leaves of Hoya globulifera and H. pachiphylla. The species completed its life cycle in approximately 22–25 days, consisting of an egg stage of about 3 days, a larval stage of 12–14 days, a pre-pupal stage of 1 day, and a pupal stage lasting 6–7 days. The results of this study provide the first record of the distribution, biology, and life cycle of E. netscheri in Keerom, Papua. New information is also presented regarding its larval host plants, namely H. globulifera and H. pachiphylla.
Pengendalian Hama Lalat Buah Secara Terpadu Pada Lahan Pertanian Kelompok Tani Tunas Muda Arso 13 Skanto, Keerom Supeni Sufaati; Daawia Daawia; Charisma Puspa Omega; Bambang Suhartawan
JURNAL PENGABDIAN PAPUA Vol 10 No 1 (2026)
Publisher : LPPM Uncen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31957/jpp.v10i1.5001

Abstract

The integrated fruit fly pest control service was preceded by the fruit fly attack on the Tunas Muda Farmers Group's agricultural land. The Community Service activity was carried out for 3 weeks on the Tunas Muda Farmers Group's agricultural land in Arso 13, Skanto District, Keerom Regency. This community service activity was carried out using the extension method (FGD), Training in making fruit fly traps using Methyl Eugenol attractant, and Mentoring members of the Tunas Muda Farmers Group in implementing integrated fruit fly control on the Tunas Muda Group's agricultural land. Integrated fruit fly pest control was carried out with a variety of methods, namely mechanical fruit fly control or land sanitation, biologically with Methyl Eugenol attractant, and the use of botanical pesticides, fruit wrapping and refugia planting and fumigation. After the mentoring activity, it was continued with an evaluation of the effectiveness of integrated fruit fly control on reducing the fruit fly population on Tunas Muda agricultural land. The Community Service Activity was attended by 19 members of the Tunas Muda Farmers Group, Arso 13, Skanto District, Keerom Regency. The Community Service Activity was carried out in June 2025 with 3 Stages, namely Preparation, Activity Implementation and Evaluation. All stages went smoothly and the Farmers Group members were very enthusiastic about participating in all activities. Based on the evaluation results at the end of the community service activity, there was an increase in the knowledge and skills of the Tunas Muda group members in integrated fruit fly population control 
Evaluation of Lake Sentani Water Quality Using Pollution Index, STORET, CCME-WQI, BC-WQI, and NSF-WQI Methods Bambang Suhartawan; Daawia Daawia
International Journal of Hydrological and Environmental for Sustainability Vol. 5 No. 2 (2026): International Journal of Hydrological and Environmental for Sustainability
Publisher : CV FOUNDAE

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58524/ijhes.v5i2.1408

Abstract

Lake Sentani is the largest lake in Papua and serves as an important source of raw water, fisheries, and livelihoods for communities in Jayapura. Increasing anthropogenic pressures from settlements, agriculture, aquaculture, and tourism have raised concerns regarding the deterioration of its water quality. This study compared the water quality status of Lake Sentani using five assessment methods: Pollution Index (IP), STORET, CCME-WQI, BC-WQI, and NSF-WQI. Water samples were collected from five stations representing littoral, limnetic, and human-activity-influenced zones. The analyzed parameters included physical (temperature, TDS, TSS, turbidity, and Secchi depth), chemical (pH, dissolved oxygen, BOD₅, COD, nitrate, phosphate, ammonia, and sulfate), and biological (total coliform) indicators. The results indicated IP values ranging from 3.95 to 6.43 (lightly to moderately polluted), STORET scores from –20 to –44 (moderately to heavily polluted), CCME-WQI values from 47.3 to 71.2 (marginal to fair), BC-WQI values from 44.7 to 68.5, and NSF-WQI values from 46.1 to 70.3. Station S3 (Sentani Town) consistently exhibited the poorest water quality, whereas Station S4 (Ayapo) showed the best condition. Elevated BOD₅, phosphate, ammonia, and total coliform were identified as the principal parameters contributing to water quality degradation. The five assessment methods produced generally similar spatial patterns across the sampling stations, with Pearson correlation coefficients ranging from 0.89 to 0.97, although these correlations should be interpreted cautiously given the limited number of monitoring stations. Among the evaluated approaches, CCME-WQI provided a balanced assessment by integrating the scope, frequency, and magnitude of water quality exceedances, making it a suitable framework for routine monitoring of tropical lake ecosystems under the conditions examined in this study.
Increasing the Role of Youth through Planting and Greening the Environment in Walma Village, Skanto District, Keerom Regency Suhartawan, Bambang; Suyatno, Suyatno; Manullang, Evanita V; Mugiati, Mugiati; Saramuke, Dina MM
Jurnal Teknologi dan Informatika Vol. 4 No. 1 (2026): Agustus : Jurnal Teknologi dan Informatika
Publisher : STMIK Pesat Nabire

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70539/jti.v4i1.171

Abstract

Land degradation and the reduction of vegetation cover along riverbanks and critical land areas in Walma Village, Skanto District, Keerom Regency, have highlighted the need for greater youth involvement in environmental conservation. Limited awareness and a lack of participatory space for young people in environmental management have contributed to the slow handling of this issue. This community service activity aims to improve the knowledge, skills, and active role of youth in Walma Village in greening and environmental management efforts through tree-planting action. Implementation methods included socialization and education on environmental conservation, training on proper seedling and planting techniques, joint planting action on critical land and riverbanks, and post-planting seedling maintenance assistance. The activity was carried out from 18 to 25 July 2026, involving 20 young people from the Walma Village Youth Organization (Karang Taruna). The results showed a 62% increase in youth knowledge of environmental conservation from pre-test to post-test, the successful planting of 400 protective and productive tree seedlings on 3 hectares of land, a 95% participant attendance rate, and an 88% seedling survival rate at one-month post-planting monitoring. Participating youth showed high enthusiasm and committed to forming an environmental care group to ensure sustainable maintenance. This activity makes a real contribution to strengthening the role of youth as agents of change in environmental preservation in Keerom Regency.
Exploring the Relationship between Abiotic Environmental Degradation and Papilionoidea Butterfly Diversity along a Forest Conversion Gradient in Keerom Regency, Papua Bambang Suhartawan; Daawia Daawia
Indonesian Journal of Innovation Science and Knowledge Vol. 3 No. 4 (2026): IJISK 2026
Publisher : Fakultas Pendidikan Ilmu Keguruan, Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/ijisk.v3i4.576

Abstract

Konversi hutan menjadi perkebunan kelapa sawit di Papua telah menyebabkan degradasi habitat yang mengancam keanekaragaman hayati. Penelitian ini mengeksplorasi hubungan antara parameter lingkungan abiotik dan diversitas kupu-kupu Papilionoidea di sepanjang gradien konversi hutan di Kabupaten Keerom, menggunakan metode transek visual pada tiga zona habitat (hutan sekunder, perkebunan non-produktif, dan perkebunan produktif) selama Februari-Juni 2025. Parameter abiotik yang diukur meliputi suhu udara, kelembaban relatif, tutupan kanopi, dan intensitas cahaya. Hasil penelitian mencatat 82 spesies kupu-kupu dari 5 famili dengan total kelimpahan 1.247 individu. Keanekaragaman menurun tajam sepanjang gradien konversi, dari 70 spesies di hutan sekunder menjadi 32 spesies di perkebunan produktif, dengan indeks Shannon-Wiener turun 37,1% (3,847 menjadi 2,418); 12 spesies endemik Papua hanya ditemukan di hutan sekunder. Seluruh parameter abiotik berbeda signifikan antar zona (ANOVA, p < 0,001). Tutupan kanopi menunjukkan korelasi positif terkuat dengan keanekaragaman (r = +0,967), diikuti kelembaban (r = +0,956), sedangkan suhu berkorelasi negatif (r = -0,943). Model regresi linear berganda memprediksi keanekaragaman dengan akurasi tinggi (R² = 0,967), dengan threshold kritis tutupan kanopi >60%, kelembaban >75%, dan suhu <29°C. Temuan ini mengkonfirmasi kupu-kupu Papilionoidea sebagai bioindikator sensitif terhadap degradasi habitat dan menjadi dasar ilmiah bagi strategi konservasi dan manajemen lanskap berkelanjutan di kawasan tropis.
Co-Authors , Krisantini Abel, Andrea K.M. Alfons, Alfred Benjamin Alfred B Alfons Ancelina Kristina Wambrauw Andika Prasetya Andrea Karina Marielle Putri Abel Andrew Cavin Pattipeilohy Arisona, Widya Lusi Asih, Ni Putu Sri Balabuana, Gaspar B Calvin R. Rumansara Charisma Puspa Omega Daawia Daawia Daawia Daawia Daawia Daawia Daawia Daawia, D Daawia, Daawia Deisye Supit Dewi Anggraeni Haurissa, Jusuf Helen Riupassa Hendry Y. Nanlohy Herman HI Tjolleng Taba Herman HI Tjolleng Taba Hotnida Nainggolan I Made Budi Irdiana, Sukma Iriyanto, Santje Iriyanto, Santje M Iriyanto, Santje Magdalena Irma Rahayu JokoSuyono, Ignatius Juang Gema Kartika Komari Komari Lia Syarifah Kastella Manullang, Evanita V Marthina Mini Matra, Deden D. Megayani Sri Rahayu Mugiati Mugiati Mugiati, Mugiati Musran Munizu, Musran Munizu Numberi, Yuliandra M. Nuriah, Yuyun Nurlita Dianingsih, Nurlita Nurmaningtyas, Anggia Riani Nurwijayanti Pradipta, Made Prasta Yostitia Rani, Ajeng Dewi Rosi Fitriyanti Rumawak, Sarah A Rumawak, Sarah Agustina Sapari Sapari Sarah A. Rumawak Sarah Agustina Rumawak Saramuke, Dina MM Sigit Utomo Simon Baru HSE Sroyer, Katherina Supeni Sufaati Supeni Sufaati Supeni Sufaati Surbakti, Suryani Br Susi Marianingsih Suyatno Suyatno Suyatno Suyatno Syamsudin Usman Syamsul Anwar, Syamsul Syarifuddin Syarifuddin Tanwir Tanwir Tanwir Tanwir Violin, Vivid Warikar, Evie L Wijaya, Ismed Yando, Heron Yulis Cahyawati Kastella Yuyun Nuriah Yuyun Nuriah Yuyun Nuriah