Department of Biology: Recent submissions
Now showing items 201-220 of 1208
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Hubungan Logam Berat Besi (Fe) dan Tembaga (Cu) terhadap Keanekaragaman Fitoplankton di Sungai Belawan
(Universitas Sumatera Utara, 2023)This research purpose to analyze the relationship between the physical chemical factors of water and the heavy metals Iron (Fe) and Copper (Cu) on the diversity of phytoplankton in the Belawan river, Pancur Batu sub-district, ... -
Makrofauna Tanah Sebagai Spesies Bioindikator Pada Areal Ladang Pisang (Musa Paradisiaca L.) yang diberi Limbah Cair Pabrik Kelapa Sawit
(Universitas Sumatera Utara, 2023)Bioindicators species are soil macrofauna that live and reproduce well. This study aim to analyzed the type, the density, the frequency of presence, the relative density and the bioindicator species of soil macrofauna ... -
Kepadatan, Pola Distribusi dan Pola Pertumbuhan Kerang Bulu (Anadara antiquata) di Perairan Pantai Sialang Buah, Kabupaten Serdang Bedagai, Sumatera Utara
(Universitas Sumatera Utara, 2023)Shellfish (Anadara antiquata) is one of the mollusc belong to the class of Bivalvia. Shellfish has high economic value because of its highly nutritional content. Sialang Buah Beach is famous for its shells, especially the ... -
Jenis-Jenis Anggrek (Orchidaceae) di Kebun Raya Sipirok Kabupaten Tapanuli Selatan Sumatera Utara
(Universitas Sumatera Utara, 2023)Sipirok Botanical Garden is one of the ex-situ conservation areas in North Sumatra Province that has a diversity of plant species, one of which is Orchidaceae. The research survey that had been conducted show the Sipirok ... -
Jamur Pemerangkap Nematoda Asal Lau Kawar sebagai Agen Biokontrol Meloidogyne hapla pada Tanaman Tomat (Solanum lycopersicum L.)
(Universitas Sumatera Utara, 2023)Root knot nematode is one of parasitic caused by nematodes on plants that can cause losses in agricultural product. The parasite is one of the obstacles in increasing of tomato plants (Solanum lycopersicum L.). One of ... -
Potensi Jamur Endofit Tanaman Serai (Cymbopogon nardus ) sebagai Penghasil Senyawa Antibakteri
(Universitas Sumatera Utara, 2023)Endophytic fungi are a group of functional microorganisms from plants that can be used as a sustainable source to produce bioactive metabolites including pharmaceuticals. Citronella grass (Cymbopogon nardus) is a kind of ... -
Potensi Sinbiotik Makanan Tradisional sebagai Immunostimulan pada Mencit Putih (Mus musculus)
(Universitas Sumatera Utara, 2023)Traditional food consisting of palm juice, dadih and tempoyak has a higher nutritional value compared to the original ingredients. The starter that is often used in the manufacture of these fermented products is Lactic ... -
Isolasi dan Profil Volatile Organic Compounds (VOC) oleh Kapang Endofit Asal Pneumatofor Avicennia alba
(Universitas Sumatera Utara, 2023)Mangrove forests and their vegetation are important ecosystems for the protection of terrestrial habitats in coastal areas, with high inputs of C and N sources. The mangrove ecosystem is a hotspot for biodiversity, especially ... -
Marchantiophyta di Kawasan Hutan Batang Toru Blok Barat Sumatera Utara
(Universitas Sumatera Utara, 2023)Mosses are a group of low plants and a part of biodiversity that has not received much attention. One area of North Sumatra that has never been reported on liverwort data is from the West Block Batang Toru Forest. This ... -
Estimasi Kepadatan Populasi Orangutan Sumatera (Pongo Abelii Lesson, 1827) Berdasarkan Jumlah Sarang di Restorasi Halaban Taman Nasional Gunung Leuser
(Universitas Sumatera Utara, 2023)The Sumatran orangutan (Pongo abelii) was a Sumatran endemic primate that was critically endangered. Halaban National Park at Gunung Leuser was habitat of Sumatran orangutan. The density of orangutan in their ecosystem was ... -
Kepadatan dan Pola Persebaran Populasi Burung Rangkong (Bucerotidae) di Stasiun Penelitian Ketambe Kabupaten Aceh Tenggara
(Universitas Sumatera Utara, 2023)The existence of hornbills in the wild is very important to know in monitoring and protection efforts, especially in Ketambe Research Station. The aim of this study was to study the density, distribution pattern of the ... -
Uji Efektivitas Ekstrak Kulit Durian (Durio zibethinus Murr.) terhadap Ketebalan Epitel dan Fibroblas Kulit Tikus (Rattus norvegicus) Model Kanker Kulit
(Universitas Sumatera Utara, 2023)Durian peel methanol extract contains secondary metabolite compounds such as flavonoids and alkaloids. Cytoxicity in flavonoid-controlled cancer cells has the ability to regulate macrophages in the elimination of cancer ... -
Gambaran Histologi Testis Mencit (Mus musculus L.) Jantan yang diberi Limbah Degumming Kokon Ulat Sutera (Bombyx mori L.) yang telah dipaparkan oleh Allethrin
(Universitas Sumatera Utara, 2023)Silkworm cocoon degumming waste contains amino acids in the form of sericin and fibroin which have the potential to stimulate spermatogenesis and to protect sperm from free radicals. This research was carried out from ... -
Gambaran Histologi Pankreas Mencit (Mus Musculus L.) Jantan Yang Diberi Limbah Degumming Kokon Ulat Sutera (Bombyx mori L.) yang telah dipapar Obat Nyamuk Elektrik
(Universitas Sumatera Utara, 2023)Research of the histology of the male mice (Mus musculus L.) pancreas exposed to electric mosquito and then given by degumming silkworm cocoon’s (Bombyx mori L.) waste had been carried out from December 2022 to March 2023. ... -
Keragaman Jamur pada Plastik Tempat Pembuangan Akhir (TPA) Terjun Medan Marelan dan Potensinya dalam Mendegradasi Sampah Plastik
(Universitas Sumatera Utara, 2023)Plastic waste, including Low-Density Polyethylene (LDPE), Linear-Low Density Polyethylene, High-Density Polyethylene (HDPE), and Polypropylene (PP), is predominantly found in landfill sites. This study aimed to investigate ... -
Isolasi Serta Skrining Bakteri Selulolitik dari Bekicot (Achatina fulica) dan Potensi Selulolitiknya
(Universitas Sumatera Utara, 2023)Achatina fulica is one of herbivorous animal belongs to the gastropod class that most common find in tropical climates and includes to a pest, it gives probability that A. fulica has a high unique cellulolytic microbiota ... -
Jenis, Prevalensi dan Intensitas Endoparasit Rusa Sambar (Cervus unicolor) di Central Park Zoo and Resort Pancur Batu, Deli Serdang, Sumatera Utara
(Universitas Sumatera Utara, 2023)Sambar deer (Cervus unicolor) is the largest tropics deer that distributein Indonesia, such as in Kalimantan and around Sumatera. Population of sambar deer become decreased sharply, therefore, the conservation of the deer ... -
Keanekaragaman Makrofauna Permukaan Tanah Pada Areal Tanaman Jagung di UPT Benih Induk Palawija dan Hortikultura Tanjung Selamat Kabupaten Deli Serdang
(Universitas Sumatera Utara, 2023)This research has been conducted to study the diversity of macrofauna active on the Soil Surface in Corn Plantation Areas at the UPT Benih Induk Palawija and Hortikultura Tanjung Selamat, Deli Serdang District with the ... -
Pola Pertumbuhan dan Faktor Kondisi Ikan Kakap Putih (Lates calcarifer Bloch, 1790) di Sungai Belawan Kabupaten Deli Serdang Provinsi Sumatera Utara
(Universitas Sumatera Utara, 2023)The research of the growth patterns and the conditions of the White Snapper (Lates calcarifer Bloch, 1790) in Belawan River, Deli Serdang Regency,North Sumatra Province had been carried out from December 2022 to February ... -
Analisis Kandungan Logam Berat Pb dan Cd pada Daging Ikan Duri (Hexanematichthys sagor) di Sungai Belawan Sumatera Utara
(Universitas Sumatera Utara, 2023)There are various community activities along the Belawan river that affect the quality of river water such as the accumulation of Pb and Cd metals in fish meat, including in Duri fish (Hexanematichthys sagor) in the Belawan ...