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Department of Aquatic Resources Management, Faculty of Fisheries and Marine Science Level 3 Wing 6, IPB University, Jl. Agatis, Kampus IPB Darmaga, Bogor 16680, Indonesia
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Habitus Aquatica : Journal of Aquatic Resources and Fisheries Management
Published by Institut Pertanian Bogor
ISSN : -     EISSN : 27211525     DOI : https://doi.org/10.29244/HAJ.1.2.1
Core Subject : Science, Agriculture, Social,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Decision Sciences, Operations Research & Management Earth & Planetary Sciences Environmental Science
Habitus Aquatica : Journal of Aquatic Resources and Fisheries Management (Habitus Aqua J; e-ISSN 2721-1525) is published by Department of Aquatic Resource Management, Faculty of Fisheries and Marine Sciences, IPB University. Habitus Aquatica is published periodically twice a year, containing the peer reviewed publication of basic and applied research articles in a broad range of subject areas relevant to aquatic and fisheries science. The journal publishes articles, short communications, and reviews that contribute to a scientific understanding in the areas of Aquatic Science including and related to structure and dynamics of aquatic ecosystems, impacts and adaptations to pollution and global changes, socio-economical analysis of environmental benefits, impacts and bioconservation, ecosystems restoration and ecological engineering; and Fisheries Science including fisheries biology, aquaculture, environment, chemistry and biochemistry.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Perairan
Articles 72 Documents
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Kelimpahan dan Karakteristik Habitat Udang Sungai Macrobrachium lar di WPPNRI PD 413 Pulau Halmahera: Kelimpahan dan karakteristik habitat udang sungai Macrobrachium lardi WPPNRI PD 413 Pulau Halmahera Muhammad Nur Findra; Supyan Supyan; La Sara; Gamal M. Samadan; Evifatmawati Evifatmawati
Habitus Aquatica Vol 7 No 2 (2026): Habitus Aquatica : Journal of Aquatic Resources and Fisheries Management
Publisher : Department of Aquatic Resources Management, Faculty of Fisheries and Marine Science, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/HAJ.7.2.102

Abstract

Inland waters within Fisheries Management Area of the Republic of Indonesia for Inland Waters (WPPNRI PD) play a crucial role in supporting biodiversity and sustainable fisheries resources. Halmahera Island, which is part of WPPNRI PD 413, is known for its high freshwater biodiversity, including the river prawn Macrobrachium lar. This study examined the abundance and habitat characteristics of M. lar in inland waters of Halmahera Island. Field surveys were conducted at three river systems representing western, central, and southern Halmahera. The highest relative abundance observed in southern Halmahera. The results indicate that variations in relative abundance are closely associated with habitat heterogeneity. Southern Halmahera was characterized by higher elevation, mixed sandy–rocky substrates, stable dissolved oxygen, suitable water temperature, and relatively dense tree canopy closure. These conditions likely provide favorable microhabitats, thermal stability, and reduced light intensity for M. lar. Overall, the findings demonstrate that the distribution and abundance of M. lar are strongly influenced by the integrated effects of physical, chemical, and structural habitat features. Maintaining the integrity of river habitats, particularly tree canopy cover along river corridors, is essential for sustaining freshwater prawn populations and supporting sustainable inland fisheries management within WPPNRI PD 413, Halmahera Island.
Hubungan antara Jumlah Sambungan Rumah Tangga dan Karakteristik Air Limbah Domestik yang Masuk: Bukti dari IPAL di Pulau Tidung Besar, Indonesia: Hubungan antara jumlah sambungan rumah tangga dan karakteristik air limbah domestik yang masuk: Bukti dari IPAL di Pulau Tidung Besar, Indonesia Gatot Prayoga; Rizki Moch Rijaldi; Rizqi Fahma Sidik; Hefni Effendi; Gatot Yulianto
Habitus Aquatica Vol 7 No 2 (2026): Habitus Aquatica : Journal of Aquatic Resources and Fisheries Management
Publisher : Department of Aquatic Resources Management, Faculty of Fisheries and Marine Science, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/HAJ.7.2.120

Abstract

Penelitian ini mengkaji apakah jumlah sambungan rumah tangga (SR) berkaitan dengan karakteristik air limbah domestik yang masuk ke instalasi pengolahan air limbah (IPAL) terdesentralisasi di Pulau Tidung Besar, Indonesia. Kumpulan data mencakup empat zona layanan (Utara, Barat, Timur, dan Selatan) yang diamati setiap tahun dari 2022 hingga 2025. SR diperlakukan sebagai variabel independen, sedangkan pH, BOD5, COD, TSS, minyak dan lemak, amonia, surfaktan anionik (MBAS), klorin bebas, koliform total, koliform feses, dan debit diperlakukan sebagai variabel dependen sesuai dengan ketersediaan data. Meskipun pemantauan dilakukan di inlet dan outlet IPL, studi ini hanya menggunakan data inlet untuk mewakili air limbah yang belum diolah yang masuk ke sistem dan untuk menghindari pengaruh proses pengolahan. Regresi linier sederhana eksploratori dan korelasi Pearson diterapkan pada pengamatan zona-tahun yang digabungkan, dilengkapi dengan validasi silang leave-one-out (LOOCV) sebagai pemeriksaan ketahanan prediksi. Jumlah sambungan rumah tangga meningkat dari 729 pada tahun 2022 menjadi 831 pada tahun 2025. Pada dataset gabungan 2022-2025, korelasi positif tertinggi di antara parameter utama teramati pada BOD5 (r = 0,362) dan COD (r = 0,346), sementara pH (r = 0,061), TSS (r = -0,135), minyak dan lemak (r = 0,216), serta amonia (r = -0,083) menunjukkan hubungan yang dapat diabaikan. Debit menunjukkan korelasi positif rendah dengan nilai yang lebih tinggi (r = 0,446) namun harus ditafsirkan dengan hati-hati karena kemungkinan adanya masalah pada pengukur aliran. Parameter yang diperkenalkan atau dihentikan setelah perubahan regulasi diperlakukan hanya sebagai eksplorasi. Tidak ada hubungan gabungan yang signifikan secara statistik (p > 0,05), dan LOOCV menghasilkan nilai R² prediksi negatif, yang menunjukkan stabilitas prediksi yang buruk. Secara keseluruhan, SR saja bukanlah prediktor yang andal untuk karakteristik air limbah yang masuk.

Page 8 of 8 | Total Record : 72

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