Undergraduate Theses
Undergraduate Theses
Recently added
Now showing items 281-300 of 792
-
Kandungan Logam Pb dan Cu pada Daerah Aliran Sungai Deli Provinsi Sumatera Utara
(Universitas Sumatera Utara, 2014)Water is a natural resource that supplies the needs of life many people so it needs to be protected in order to be useful for life and human life and other living organisms. Nowadays a very rapid process of industrialization ... -
Dampak Fisik Kenaikan Muka Air Laut terhadap Wilayah Pesisir Kota Medan
(Unversitas Sumatera Utara, 2015)Case of tidal flood is a common problem in coastal areas. This is because the surface area of lower land or even the same compared to sea level. It is also due to rising sea levels so that the incoming tide and flood ... -
Struktur Komunitas Plankton di Sekitar Keramba Jaring Apung Danau Toba, Kecamatan Haranggaol, Kabupaten Simalungun, Sumatera Utara
(Unversitas Sumatera Utara, 2013)Toba lake is an aquatic resources that has very important value. Utilization of Lake impact on water quality degradation due to local people activity, for example floating net cages. This activity can give a very ... -
Pemetaan Salinitas pada Sumur Bor di Desa Percut Kecamatan Percut Sei Tuan Kabupaten Deli Serdang
(Universitas Sumatera Utara, 2014)The rapid development of technology, followed by the development of the population, resulting in the occurrence of ground water extraction including more drilling wells impact on the reduction of fresh water surface ... -
Struktur Komunitas Nekton di Danau Pondok Lapan Kecamatan Salapian Kabupaten Langkat
(Universitas Sumatera Utara, 2015)Nekton is organisms that can swim and move on their own accord with example amphibians and aquatic insect. This study aims to determine the structure of nekton community and relation about physical and chemical conditions ... -
Uji Daya Hambat Ekstrak Kulit Batang Rhizophora mucronata Terhadap Pertumbuhan Bakteri Aeromonas hydrophila, Streptococcus agalactiae dan Jamur Saprolegnia sp. Secara In Vitro
(Unversitas Sumatera Utara, 2014)This reseach head to determine antimicrobial potential of stem bark extract Rhizophora mucronata again bacterial pathogens of Aeromonas hydrophila, Streptococcus agalactiae and fungus Saprolegnia sp. and determine the ... -
Struktur Komunitas Makrozoobenthos di Danau Pondok Lapan Kecamatan Salapian Kabupaten Langkat
(Universitas Sumatera Utara, 2015)The lake of Pondok Lapan is an artificial lake located in the hamlet Pulka at Salapian District of Langkat. This lake of Pondok Lapan located between the oil palm plantations. This lake was originally made for irrigation ... -
Karakteristik Fisika-Kimia dan Struktur Komunitas Moluska (Bivalvia dan gastropoda) di Pantai Cermin Sumatera Utara
(Unversitas Sumatera Utara, 2014)Many activities around Cermin Beach feared of mollusca (bivalvia and gastropoda) in Cermin Beach, North Sumatera. Under guided YUNASFI and ANI SURYANTI. can alter the water quality of Cermin Beach. Information and ... -
Keanekaragaman dan Kelimpahan Perifiton di Perairan Sungai Deli Sumatera Utara
(Unversitas Sumatera Utara, 2014)This study aims to determine the diversity and abundance of periphyton in the Deli river waters and to determine the level of pollution in the river Deli in terms of diversity of periphyton and physical-chemical factors ... -
Aktivitas Antimikroba Ekstrak Kulit Buah Manggis (Garcinia mangostana) terhadap Bakteri Aeromonas hydrophila, Streptococcus agalactiae dan Jamur Saprolegnia sp.
(Universitas sumatera Utara, 2015)MADIAH HANDAYANI. Antimicrobial Activity of Extract Mangosteen Rind (Garcinia mangostana) on Aeromonas hydrophila, Edwardsiella tarda Bacteria and Saprolegnia sp. Fungi. Under academic supervision of DWI SURYANTO and ... -
Studi Kesesuaian dan Daya Tarik Wisata Pantai Ditinjau dari Aspek Biofisik di Pantai Bosur Tapanuli Tengah
(Universitas Sumatera Utara, 2016)Bosur beach located in Central Tapanuli district that has great potential to be developed as a tourist beach. This study aimed to analyze the suitability of coastal tourism is reviewed based on biophysical aspects as ... -
Hubungan Panjang Bobot dan Reproduksi Ikan Kembung Lelaki (Rastrelliger kanagurta) di Perairan Selat Malaka Tanjung Beringin Serdang Bedagai Sumatera Utara
(Unversitas Sumatera Utara, 2015)Activities the continuous mackerel of catch will be decreasing fish stock in the nature. The research aims to know relationship among length weight, factor of condition, reproductive, first size riping ovum and apex ... -
Pengujian Perilaku Predator dan Anti-Predator pada Ikan Lele Dumbo (Clarias gariepinus Burchell, 1822) Transgenik F3
(Unversitas Sumatera Utara, 2015)African catfish (Clarias gariepinus) transgenic F3 containing Pangasius hypothalmus growth hormone (PhGH) genes can growth twice the average weight of the control population. However, before transgenic African catfish ... -
Efektivitas Ekstrak Kulit Batang Rhizophora mucronata sebagai Antibakteri untuk Mencegah Perkembangan Bakteri Edwardsiella tarda pada Ikan Mas (Cyprinus carpio L.)
(Universitas Sumatera Utara, 2016)Goldfish is fish consumption of water bargaining is not in spite of risk of disease caused by bacteria. This study was aimed to determine antimicrobial potential of stem bark extract of R. mucronata against bacterial ... -
Kualitas Air Sungai Belawan Kecamatan Pancur Batu Kabupaten Deli Serdang Provinsi Sumatera Utara
(Unversitas Sumatera Utara, 2015)Belawan River waters are widely used for a variety of community activities. The existence of community activities into the waters of the rivers affecting water quality in Belawan River Pancur Batu subdistrict. This study ... -
Transmisi Transgen (PhGH) dan Performa Pertumbuhan Ikan Lele (Clarias gariepinus) Transgenik F3 di Balai Penelitian Pemuliaan Ikan Sukamandi Subang, Jawa Barat
(Unversitas Sumatera Utara, 2015)Developments in the field of aquaculture fish production requires the fulfillment of the need to accelerate the pace brood production. Transgenesis technology with the introduction of transgenes (PhGH) can be performed ... -
Pertumbuhan dan Laju Eksploitasi Ikan Tamban (Sardinella albella Valenciennes, 1847) di Perairan Selat Malaka Tanjung Beringin Serdang Bedagai Sumatera Utara
(Unversitas Sumatera Utara, 2015)The high demand society of tamban (Sardinella albella) was effect fishermen makes fishing effort too much without control. This study has the objective on accesing the growth and exploitation rates of tamban in Malacca Strait ... -
Laju Dekomposisi dan Analisis Unsur Hara C, N dan P Serasah Daun Rhizophora mucronata pada Lokasi Stasiun yang Berbeda di Pantai Serambi Deli Kecamatan Pantai Labu Kabupaten Deli Serdang
(Universitas Sumatera Utara, 2015)Serasah yang masuk ke perairan mengalami penguraian atau proses dekomposisi, serasah menjadi senyawa organik sederhana dan menghasilkan hara, sehingga dapat dimanfaatkan oleh organisme maupun tanaman di perairan. ... -
Pemijahan Ikan Maskoki (Carrasius auratus) dengan Menggunakan Berbagai Substrat
(Unversitas Sumatera Utara, 2014)Goldfish spawning is done naturally, so the success of the nurseries are still low. The success of spawning is influenced by several factors, including the handling of aircraft, particularly in stimulating technological ... -
Kajian Morfometri Danau Pondok Lapan Desa Naman Jahe Kecamatan Salapian Kabupaten Langkat
(Unversitas Sumatera Utara, 2015)Pondok Lapan Lake is an artificial lake located in Langkat. In the map, this lake is located on the axis of coordinates precisely 3°30′44.73" N - 3°30'26,29" N dan 98°. 17′ . 65" E - 98°17'29.60"E. The purpose of this ...