Diversity And Distribution Of Odonata In University Sumatera Utara Medan Indonesian
Journal: International Journal of Scientific & Technology Research (Vol.5, No. 5)Publication Date: 2016-05-15
Authors : Ameilia Zuliyanti Siregar; Darma Bakti;
Page : 229-234
Keywords : Diversity; distribution; Odonata; USU; Medan; Indonesian;
Abstract
A total of nine stations randomly selected study sites around the University Sumatera Utara area conducted during a month 16 January 2016 until 16 February 2016 for identified of Odonata. Odonata are insect which function as bioindicator and conservation of an environment status in the area. The sampled were collected using a sweep net 400 26956m mesh 60 cm x 90 cm with six times the swing starts at 0900 until 1200 noon hour and identified in the laboratory. Consist of two sub-orders 4 families 24 genera 32 species and 156 individuals identified dragonfly. Orthetrum sabina Pantala flavescens and Agriocnemis femina are the kinds of dragonflies dominant while two types of VestalisArethystira amoena and Tholymis aurora is found only in the Station 3. As much as 54 relative abundance of family Coenagrionidae dominated followed by Libellulidae 35 Gomphidae 8 and the smallest recorded from family Calopterygidae 35. The calculation of the value of the index is done includes diversity Shannon eveness and varied of Jaccard index H2.48-3.79 E0.70-0.85 CJ0.45 to 1.00. Based on the conservation status calculated the percentage of attendance dragonfly divided into four groups of species that are rare 6.28 there are species 54.24 many species 24.78 and very many species 14.70. This study shows diversity and distribution of Odonata can used as potential as predators and conservation status of ecosystem University of Sumatera Utara areas.
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