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Lily Surayya Eka Putri, Lily Surayya Eka
Program Studi Biologi, Fakultas Sains dan Teknologi, UIN Syarif Hidayatullah Jakarta

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Potensi Jenis Tumbuhan Bawah Berkhasiat Obat di Hutan Kota Raggawulung, Kabupaten Subang

Al-Kauniyah: Jurnal Biologi Vol 6, No 2 (2013): Al-Kauniyah Jurnal Biologi
Publisher : Department of Biology, Faculty of Science and Technology

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Abstract

The objective of this research was to know the understory species diversity and to identified the potency of medicinal plants in Ranggawulung Urban Forest. The method of this research is vegetation analysis using circular plot (4 m in diameter), we used 30 plot in the site. We counted number of individuals and species richness. Importance Value Index, Simpson’s, and Shanon-Wiener Index was calculated to describe it’s diversity. The result showed Ranggawulung Urban Forest had high of understory diversity (Shanon-Wiener Index 3,36).  There was 56 understory species, and 19 of them was identified as medicinal plants. There are Ageratum conyzoides, Piper aduncum, Sida rhombifoli, Eupatorium odoratum, and Turnera ulmifolia. The utilization of this potency and the effort to conserve both ex-situ and insitu are also elaborated.

Pemanfaatan Plankton sebagai Sumber Makanan Ikan Bandeng di Waduk Ir. H. Juanda, Jawa Barat

Al-Kauniyah: Jurnal Biologi Vol 6, No 1 (2013): Al-Kauniyah Jurnal Biologi
Publisher : Department of Biology, Faculty of Science and Technology

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Abstract

Introducing of Milkfish (Chanos chanos) was aimed to utilize natural food from plankton that were abundant in Ir. H. Juanda Reservoir, West Java. This research aimed to know plankton utilization by Milkfish in Ir. H. Juanda Reservoir, West Java. The research was conducted from February to July 2010 at 4 stations of sampling which representing the reservoir condition. The fishes collected based on the catch of fishermen. The sample was analyzed in physiology laboratory of Center Research for Limnology. The result of this research showed that the main food were plankton 43%, detritus 46%, and complement food were vegetation 11%. The domination food from the phytoplankton were Bacillariophyceae and zooplankton were Copepoda.