Department of Biology: Recent submissions
Now showing items 881-900 of 1257
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Keanekaragaman Piperaceae dan Rubiaceae di Hutan Aek Nauli Kabupaten Simalungun Sumatera Utara
(2011)The diversity research of Piperaceae and Rubiaceae in Aek Nauli Forest had been done on December 2010 until April 2011. The location of this research is made Purposive Sampling and divided into 5 stripes and 50 plots ... -
Keanekaragaman dan Distribusi Udang Dikaitkan dengan Faktor Fisik dan Kimia Air di Muara Sungai Asahan
(Universitas Sumatera Utara, 2010)A study on the diversity and distribution of prawn along with connection with physical and chemical factors at estuary of Asahan River” was established on March 2010 in Estuary of Asahan River region. Prawn sample was ... -
Komposisi Vegetasi dan Cadangan Karbon Tersimpan pada Tegakan Hutan di Kawasan Ekowisata Tangkahan, Kecamatan Batang Serangan Kabupaten Langkat
(Universitas Sumatera Utara, 2010)Potential of carbon stored in ecotourism Tangkahan very high considering the area is part of a conservation area Gunung Leuser National Park. The goal of this research to know various kinds of vegetation and potency of ... -
Keanekaragaman Tegakan Hutan dan Potensi Kandungan Karbon di Taman Wisata Alam Deleng Lancuk Kabupaten Karo Propinsi Sumatera Utara
(Universitas Sumatera Utara, 2010)This research was conducted to find forest standing diversity and the potential carbonate contained in the area of Natural Park Forest Deleng Lancuk Karo, North Sumatra. The research location is determined by using the ... -
Enkapsulasi Bakteri Kitinolitik pada Benih Cabai Untuk Menghambat Serangan Sclerotium Rolfsii
(Universitas Sumatera Utara, 2013)A study of the encapsulation of chitinolytic bacteria in alginate, tapioca, carboxymethylcellulose and gum arabic in coated chilli seeds to inhibit Sclerotium rolfsii growth has been done. Six isolates of chitinolytic ... -
Pengaruh Kitosan terhadap Struktur dan Kadar Residu Pb Pada Ginjal Tikus Putih (Rattus Sp.) Jantan yang Dipapari Plumbum Asetat
(Universitas Sumatera Utara, 2013)The study aimed to determine the effect of chitosan on the kidney of rats (Rattus sp.) exposed to lead acetate. Thirty five male animals weighing 250g were divided into 7 groups: K group as a control (without treatment), ... -
Potensi Ikan Introduksi Menjadi Ikan Invasif di Perairan Danau Toba Kecamatan Onan Runggu
(Universitas Sumatera Utara, 2021)The research about the potential of introduced fishes to be invasive fish in Lake Toba, Onan Runggu District, was carried out from March to May 2021. The purpose of this study was to analyze the diversity of introduced ... -
Kajian Pemanfaatan Tumbuhan Obat pada Masyarakat Etnis Simalungun di Kecamatan Sipispis Kabupaten Serdang Bedagai
(Universitas Sumatera Utara, 2012)Telah dilakukan penelitian tentang kajian pemanfaatan tumbuhan obat pada masyarakat Simalungun di Kecamatan Sipispis Kabupaten Serdang Bedagai. Penelitian ini menggunakan metode kuantitatif dan kualitatif. Pengumpulan ... -
Keanekaragaman Jenis Fungi pada Serasah Daun Rhizophora apiculata yang Mengalami Dekomposisi pada Berbagai Tingkat Salinitas di Kota Pari Pantai Cermin Sumatera Utara
(Universitas Sumatera Utara, 2012)The aim of this is research is to investigate the effect of salinity level on the diversity of fungi carbohidrat and protein content from R. apiculata leaf litter during decomposition process. This research was conducted ... -
Inventarisasi Jamur Makroskopis di Ekowisata Tangkahan Kabupaten Langkat Sumatera Utara
(Universitas Sumatera Utara, 2010)Inventory research in the area of macroscopic fungi Ecotourism Langkat Tangkahan, North Sumatra, had been conducted in February 2010 until April 2010. Funtion of the fungi as decomposers for help to circlus of the matter ... -
Keanekaragaman Jenis Tumbuhan Air Makrofita di Danau Toba Kecamatan Onan Runggu Kabupaten Samosir
(Universitas Sumatera Utara, 2021)The research of the diversity of aquatic plants macrophyte area of Onan Runggu sub-regency Samosir district was carried out in March 2021 - May 2021 with the aim was to analyze the diversity of aquatic plant, to analyze ... -
Inventarisasi Jenis-jenis Arecaceae di Stasiun Penelitian Soraya Kawasan Ekosistem Leuser Kecamatan Sultan Daulat Kota Subulussalam
(Universitas Sumatera Utara, 2021)Arecaceae is one of non-wood plant at forest, which dominated at lowlands areas such as Soraya Research Station. Information Arecaceae at the research station has never been reported. Based on preliminary survey Soraya ... -
Struktur dan Komposisi Dipterocarpaceae di Stasiun Penelitian Soraya Kawasan Ekosistem Leuser Kecamatan Sultan Daulat Kota Subulussalam
(Universitas Sumatera Utara, 2021)Soraya Research Station is one of the lowland forests in Sumatera. Many types of Dipterocarpaceae are found at the Soraya Research Station, but this location is currently in recovery, and development due to illegal logging. ... -
Keanekaragaman Arthropoda pada Perkebunan Kopi Rakyat di Kabupaten Pakpak Bharat
(Universitas Sumatera Utara, 2010)Arthropod Biodiversity Research at the Coffee Plantation in the District People's Pakpak Bharat had been conducted in March 2010-April 2010. Research in the form of this survey sampled at five heights, namely: A ≤ 700, 700 ... -
Komposisi dan Potensi Karbon Tersimpan pada Tegakan di Hutan Resort Bukit Lawang Taman Nasional Gunung Leuser
(Universitas Sumatera Utara, 2010)Soimin. 2010, Composition and Carbon sink Potency On Tree at Resort Bukit Lawang Forest, Leuser’s Montain National Park. Under Academic Supervition of: Prof. Dr. Retno Widhiastuti and Dr. Budi Utomo, SP. MP. Tree's ... -
Ekologi Penggerek Buah Kopi (Hypothenemus hampei) pada Tanaman Kopi Arabika (Coffea arabica) di Kabupaten Pakpak Bharat
(Universitas Sumatera Utara, 2010)Ecology Research Coffee Pod Borer (Hypotenemus hampei) at Arabica Coffee Plants (Coffea arabica) in District Pakpak Bharat had been conducted in March 2010 - April 2010. Research in the form of this survey sampled at 5 ... -
Kajian Ekologi Pasak Bumi (Eurycoma longifolia Jack) dan Pemanfaatan oleh Masyarakat di Sekitar Hutan Bukit Lawang
(Universitas Sumatera Utara, 2010)Ecological studies peg the Earth at Station Resort Bukt Lawang Orangutan Rehabilitation has not been investigated. The purpose of this study is to determine the physical, chemical, and biotic habitat, potential, association ... -
Inventarisasi Jamur Makroskopis di Kawasan Ekowisata Bukit Lawang Langkat Sumatera Utara
(Universitas Sumatera Utara, 2010)Inventory research in the area of macroscopic fungi Ecotourism Langkat Bukit Lawang, North Sumatra, had been conducted in February 2010 until April 2010. Preliminary survey on the location of the research found a variety ... -
Keanekaragaman Lumut (Bryophyta) di Kawasan Hutan Lindung Aek Nauli Kabupaten Simalungun Propinsi Sumatera Utara
(Universitas Sumatera Utara, 2010)The research diversity of Bryophyta plant was conducted in Aek Nauli forest, Simalungun Regency from Maret to Mei 2010. Research area was determined by using Purposive Sampling Method and data were collected with Combination ... -
Pengaruh Penggunaan Fungisida terhadap Perkecambahan Spora Fungi Mikoriza Arbuskula
(Universitas Sumatera Utara, 2009)A study on effect of fungicide application to germination of FMA spore has been carried out. The objective of research is to know the effect of fungicide application to the germination of FMA spore. To examine the fungicide ...