Department of Water Resources Management: Recent submissions
Now showing items 21-40 of 817
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Pengaruh Penambahan Madu dan Dimethyl Sulfoxide (DMSO) pada Pasca Kriopreservasi Ikan Mas (Cyprinus carpio)
(Universitas Sumatera Utara, 2025)Cryopreservation is a reproductive technology used to preserve gametes at ultra-low temperatures in order to maintain sperm viability over a long period. This study aimed to determine the effect of honey addition as a ... -
Pengaruh Penambahan Ekstender Sari Kurma dengan Konsentrasi yang Berbeda pada Kriopreservasi Sperma Ikan Nila (Oreochromis niloticus)
(Universitas Sumatera Utara, 2025)The Effect of Adding Date Palm Extract as Extender Different Nile Tilapia Concentrations (Oreochromis on niloticus) Eri the Cryopreservation Sperm. Supervised of by Yusni as the Head of ... -
Keanekaragaman Nekton di Muara Sungai Kelurahan Pulau Sicanang Belawan Sumatera Utara
(Universitas Sumatera Utara, 2025)The Sicanang Island Village Estuary in Belawan, North Sumatra, is a vital ecosystem for nekton, yet vulnerable to anthropogenic degradation. This study, aimed to analyze nekton diversity and its influencing environmental ... -
Pengaruh Penambahan Dimetil Sulfoksida (DMSO) dan Gliserol terhadap Kualitas Sperma Ikan Jurung (Tor soro) pada Pasca Kriopreservasi
(Universitas Sumatera Utara, 2025)The masheer fish (Tor soro) is an endemic fish of Lake Toba whose population continues to decline due to overfishing, habitat destruction, and introduced predators. Conservation efforts can be carried out with sperm ... -
Pertumbuhan dan Biologi Reproduksi Ikan Kembung Lelaki (Rastrelliger kanagurta) yang didaratkan di Tempat Pelelangan Ikan (TPI) Pantai Labu Kabupaten Deli Serdang Provinsi Sumatera Utara
(Universitas Sumatera Utara, 2025)Male Mackerel (Rastrelliger kanagurta) is one of the small pelagic fish landed at the Fish Auction Place (TPI) in Pantai Labu, Deli Serdang Regency, North Sumatra Province. The purpose of this study is to determine the ... -
Biodiversitas Nekton Sungai Aek Boruan Dan Sungai Aek Bontar Kabupaten Tapanuli Utara Provinsi Sumatera Utara
(Universitas Sumatera Utara, 2024)The Aek Boruan “and Aek Bontar River Watersheds (DAS) are 28.15 kilometers long and are located in the upstream. In the middle part of the watershed, anthropogenic activities such as sand dredging, agriculture, and ... -
Keanekaragaman Ikan di Pulau Samosir, Danau Toba Provinsi Sumatera Utara
(Universitas Sumatera Utara, 2025)The diversity of fish in Samosir Island, Lake Toba and its relationship with water quality, has been analyzed in July 2024 - August 2024. The sampling locations were determined using a purposive sampling method and samples ... -
Pengaruh Pemberian Asam Amino Lisin pada Pakan Komersial dengan Feeding Rate yang Berbeda terhadap Pertumbuhan dan Kelangsungan Hidup Ikan Patin (Pangasius pangasius)
(Universitas Sumatera Utara, 2025)Catfish (Pangasius pangasius) is one of the most widely farmed fish species in Indonesia due to high demand in both domestic and international markets. L-lysine is an essential amino acid that cannot be synthesized by fish ... -
Pengaruh Pemberian Asam Amino Lisin pada Pakan Komersial dengan Feeding Rate yang Berbeda terhadap Pertumbuhan dan Kelangsungan Hidup Ikan Patin (Pangasius pangasius)
(Universitas Sumatera Utara, 2025)Catfish (Pangasius pangasius) is one of the most widely cultivated fish species in Indonesia due to its high demand in both domestic and international markets. L-lysine is an essential amino acid that fish cannot synthesize ... -
Analisis Fenomena ENSO terhadap Hasil Tangkapan Ikan Layang (Decapterus russelli) di Perairan Selat Malaka
(Universitas Sumatera Utara, 2025)This study investigates the correlation between sea surface temperature (SST), sea surface current, chlorophyll-a concentration, and El Niño-Southern Oscillation (ENSO) phenomena with the catch of Shortfin Scad (Decapterus ... -
Pengaruh Penambahan Air Kelapa Muda dengan Gliserol pada Pasca Kriopreservasi Sperma Ikan Mas (Cyprinus carpio)
(Universitas Sumatera Utara, 2025)This study aimed to evaluate the effect of adding young coconut water combined with glycerol on the quality of goldfish (Cyprinus carpio) sperm after cryopreservation. Cryopreservation is a method of storing sperm at ... -
Biologi Reproduksi Cumi-Cumi (Uroteuthis Sp.) yang Tertangkap di Perairan Selat Malaka Belawan Sumatera Utara pada Musim Timur
(Universitas Sumatera Utara, 2025)Squid (Uroteuthis sp.) is one of the fishery commodities found in the Malacca Strait, Belawan, with high economic value to meet export market demands. The high demand may indicate the occurrence of overfishing. This ... -
Analisis Tingkat Produktivitas Primer berdasarkan Nilai Klorofil-A di Daerah Penangkapan Cumi-Cumi (Uroteuthis sp.) Perairan Selat Malaka
(Universitas Sumatera Utara, 2025)The Malacca Strait is a marine region located along the equator, thus playing a significant role in climate variability that influences primary productivity through various factors. This study aims to examine the ... -
Pengaruh Penambahan Ekstender Madu dengan Gliserol Terhadap Kualitas Sperma pada Pasca Kriopreservasi Ikan Tawes (Barbonymus gonionotus)
(Universitas Sumatera Utara, 2025)Cryopreservation, a technique involving storage at low temperatures, is one of the aquaculture technologies that has been extensively developed to prolong the viability of gametes. This study aimed to evaluate the effect ... -
Pengaruh Pemberian DMSO (Dimetil sulfoksida) dengan Larutan Madu Terhadap Kualitas Sperma Ikan Tawes (Barbonymus gonionotus) pada Pasca Kriopreservasi
(Universitas Sumatera Utara, 2025)Tawes (Barbonymus gonionotus) is a type of freshwater fish originating from Indonesia and is known as a plant eater, over time this fish is increasingly cultivated by the community. The success of fish farming is highly ... -
Kebiasaan Makan Cumi-cumi (Uroteuthis sp.) pada Musim Timur di Perairan Selat Malaka Sumatera Utara
(Universitas Sumatera Utara, 2025)This research on the feeding habits of squid (Uroteuthis sp.) during the eastern season in the waters of the Malacca Strait, North Sumatra, aims to determine the feeding behavior and types of food consumed by squid (Uroteuthis ... -
Sebaran Spasial dan Temporal Nekton di Perairan Danau Toba Provinsi Sumatera Utara
(Universitas Sumatera Utara, 2025)Lake Toba has a variety of potential uses, ranging from floating net cages (KJA), sources of clean water raw materials, transportation routes, to the tourism sector. The increasing high human activity in Lake Toba has ... -
Identifikasi Molekuler dan Keragaman Genetik Rumput Laut Padina Sp. dengan Gen Penanda RbcL di Perairan Tapanuli Tengah, Sumatera Utara
(Universitas Sumatera Utara, 2025)Padina sp. seaweed is one of the brown macroalgae species (Phaeophyta) that has high economic and ecological potential. Species identification based on morphology is often inaccurate due to variations in phenotypes due to ... -
Identifikasi Molekuler dan Keragaman Genetik Rumput Laut Turbinaria sp. dengan Gen Kloroplas rbcL di Perairan Tapanuli Tengah
(Universitas Sumatera Utara, 2025)Seaweed from the genus Turbinaria is a brown macroalga that has significant economic value and ecological roles in tropical waters. However, morphological variations influenced by environmental conditions often lead to ... -
Kajian Potensi Kemasan Lapis Alami Kitosan Alginat dengan Ekstrak Turbinaria sp. terhadap Mutu Daging Ikan Cakalang (Katsuwonus pelamis) dalam Masa Simpan Berbeda
(Universitas Sumatera Utara, 2025)The study on the Potential of Biocoating Using Chitosan Alginate as the Main Material with the Addition of Bioactive Compounds from Brown Macroalgae Turbinaria sp. on the Quality of Skipjack Tuna (Katsuwonus pelamis) ...