Department of Biology: Recent submissions
Now showing items 681-700 of 1255
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Keanekaragaman Kerang (Bivalvia) di Perairan Pantai Sialang Buah, Kecamatan Teluk Mengkudu, Kabupaten Serdang Bedagai, Sumatera Utara
(Universitas Sumatera Utara, 2022)Sialang Buah Beach is an area that its water locates from the lowest tide to the highest tide and it has a various community activities in the area. Sialang Buah Beach has a coastline along of ± 6 km. At the Sialang Buah ... -
Jenis dan Prevalensi Parasit Gastrointestinal pada Kelinci (Oryctolagus cuniculus) di Taman Satwa Citra Pesona Ladangku, Pancur Batu, Deli Serdang, Sumatera Utara
(Universitas Sumatera Utara, 2022)The purpose of this study was to determine the type, prevalence and intensity of endoparasite attack on rabbit feces (Oryctolagus cuniculus) in Citra Pesona Ladangku Animal Park. This research was conducted from May to ... -
Kelimpahan dan Pola Pertumbuhan Kepah Salome (Paphia undulata) di Perairan Pantai Cemara Kembar, Desa Sei Nagalawan Perbaungan, Serdang Bedagai, Sumatera Utara
(Universitas Sumatera Utara, 2022)Kepah Salome can also be called batik shells, are a type of bivalves that are widely used economically, both for consumption and as decoration. Fishing activities carried out by fishermen can cause a decrease in the ... -
Keanekaragaman Kerang (Bivalvia) di Perairan Pantai Sei Nipah Indah Kecamatan Pantai Cermin Kabupaten serdang Bedagai Sumatera Utara
(2022)Sei Nipah Indah beach is an area that has a water zone whose area is located between the lowest and highest tides. Sei Nipah Indah beach has a coastline of ± 6 km. Along the coastline of Sei Nipah Indah various types of ... -
Pengaruh Ekstrak Daun Puguntano (Picria fel-terrae (Lour.) Merr.) terhadap Histomorfometri Aorta Jantung Pada Tikus Galur Wistar (Rattus norvegicus) Model Obesitas dengan Benign Prostat Hyperplasia
(Universitas Sumatera Utara, 2022)Obesity is a condition in which there is an accumulation of excess fat in the body. The use of puguntano leaf extract has bioactive compounds that can reduce the level of damage to the aorta. This study aims to determine ... -
Pengaruh Pemberian Probiotik dengan Konsentrasi yang Berbeda terhadap Laju Pertumbuhan dan Sintasan Larva Udang Windu (Penaeus monodon
(Universitas Sumatera Utara, 2022)The research on the effect of giving probiotics with different concentrations on the growth rate and survival rate of tiger shrimp (Penaeus monodon) larvae was carried out at the Group for Shrimp Cultivation and Breeding, ... -
Pengaruh Pemberian Probiotik dengan Konsentrasi yang Berbeda terhadap Laju Pertumbuhan dan Sintasan Larva Udang Vaname (Litopenaeus vannamei)
(Universitas Sumatera Utara, 2022)This research was conducted to determine the effect of probiotics with different concentrations on the growth rate and survival rate of white shrimp (Litopenaeus vanamei) larvae in the Shrimp Cultivation and Breeding of ... -
Perbedaan Alas Pemeliharaan terhadap Indeks Nutrisi dan Produktivitas Ulat Sutera (Bombyx Mori L.) Pada Instar IV dan Instar V
(Universitas Sumatera Utara, 2022)In general, the maintenance of silkworms use baking paper, but the baking paper has some weaknesses such as the limitations of raw materials and the cost which is quite expensive. The study of the differences in the mats ... -
Gambaran Endoparasit Gastroinstestinal pada Kuda Sumba (Equus caballus) di Taman Satwa Citra Pesona Ladangku, Pancur Batu, Deli Serdang, Sumatera Utara
(Universitas Sumatera Utara, 2022)Gastrointestinal parasitic infections can cause horses to experience diarrhea, weight loss, weakened physical condition and even death. This horse disease is a great danger that can reduce horse performance.The research ... -
Struktur dan Komposisi Dipterocarpaceae Serta Karbon Tersimpan di Stasiun Riset Hutan Batang Toru Blok Barat, Kabupaten Tapanuli Utara, Provinsi Sumatera Utara
(Universitas Sumatera Utara, 2022)The West Block Batang Toru Forest Research Station, North Tapanuli Regency North Sumatra Province, is one of the lowland forests in Sumatra. The purpose of the study was to determine the structure and the composition of ... -
Inventarisasi Jenis Tumbuhan Pemanjat (Liana) di Stasiun Riset Hutan Batang Toru Blok Barat, Kabupaten Tapanuli Utara, Provinsi Sumatera Utara
(Universitas Sumatera Utara, 2022)Liana is a type of climbing plant that lives at the tropical rain forests such as at the West Block Batang Toru Forest Research area. The Information regarding of liana types at the study site had not been reported. The ... -
Inventarisasi Liken di Stasiun Riset Hutan Batang Toru Blok Barat, Kabupaten Tapanuli Utara, Provinsi Sumatera Utara
(Universitas Sumatera Utara, 2022)Batang Toru Forest Research Station Block West, North Tapanuli Regency, North Sumatra Province, is one of the conservation areas in North Sumatra which has uniqueness and high biodiversity, one of them is the lichen. The ... -
Komposisi Vegetasi dan Potensi Karbon Tersimpan di Stasiun Riset Hutan Batang Toru Blok Barat, Kabupaten Tapanuli Utara, Provinsi Sumatera Utara
(Universitas Sumatera Utara, 2022)Batang Toru Forest Research Station West Block, North Tapanuli Regency, North Sumatra Province is a forest that has various types of tree stands and is estimated to be able to store quite high carbon. The purpose of this ... -
Studi Etnobotani Tumbuhan Obat Masyarakat Batak Toba di Kecamatan Onan Runggu Kabupaten Samosir Sumatera Utara
(Universitas Sumatera Utara, 2022)The ethno-botany study of the medicinal plants of Batak Toba at Onan Runggu District, Samosir Regency North Sumatera, aimed to determine the utilization, the types and the degradation of the public knowledge about the ... -
Uji Potensi Bakteri Penghasil Biosurfaktan dari Tanah Tercemar dalam Mendegradasi Oli Bekas
(Universitas Sumatera Utara, 2022)Used lubricant oil pollution can occur due to the absence of a standard system regarding the management of used oil, especially from motor vehicle workshops. This study aims to obtain biosurfactant-producing bacteria ... -
Isolasi dan Uji Antimikroba Bakteri Endofit Lidah Mertua (Sansevieria trifasciata Prain Var. Laurentii) terhadap Beberapa Mikroba Patogen Manusia
(Universitas Sumatera Utara, 2022)Mother-in-law's tongue (Sansevieria trifasciata) is a medicinal plant that contains antimicrobial compounds. This study aims to isolate and to test the antimicrobial activity of endophytic bacterial isolates of Mother-in-law's ... -
Uji Potensi Bakteri Penghasil Biosurfaktan dari Perairan Tercemar dalam Mendegradasi Oli Bekas
(Universitas Sumatera Utara, 2022)Application of lubricating oil is widely used up till nowadays, especially as engine lubricant. However, its natural presence in the environment is difficult to degrade and has the potential as a pollutant agent for ... -
Perilaku Individu Beruang Madu (Helarctos Malayanus) di Taman Hewan Pematangsiantar
(Universitas Sumatera Utara, 2022)The research was conducted on August 04th to August 17th, 2020 for 14 days, at Siantar Zoo, North Sumatra. The observations were done with in 6 hours intervals (10 am to 16.00 WIB) per day. This study used the Focal Animal ... -
Efektivitas Jamur Nematofagus Isolat Sumatera Utara sebagai Biokontrol Meloidogyne Hapla pada Tanaman Tomat (Solanum lycopersicum L.)
(Universitas Sumatera Utara, 2022)Crop failure due to root-root nematode (NPA) attack on tomato plants can reach 29%. The use of chemicals in the long term can cause negative impacts on the environment, therefore biocontrol agent in the form of nematophagus ... -
Analisis Efektivitas Nanoherbal Buah Andaliman (Zanthoxylum Acanthopodium) dan Nanoherbal Daun Haramonting (Rhodomyrtus Tomentosa) terhadap Luka Bakar Tikus (Rattus Norvegicus L.) Diabetes Mellitus
(Universitas Sumatera Utara, 2022)The prolonged burn wound healing time caused by hyperglycemia has caused damage or decreased production of cytokines, including growth factors and receptors, thus interfering with macrophage function, angiogenesis, ...