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All Journal Biota: Jurnal Ilmiah Ilmu-Ilmu Hayati
Djuwantoko Djuwantoko
Fakultas Kehutanan Universitas Gadjah Mada, Jl. Bulaksumur Telp/Fax : (0274) 901415, 901420, Yogyakarta
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

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Sebaran dan Kemelimpahan Burung Layang-Layang Asia (Hirundo rustica Linn.) di Propinsi Daerah Istimewa Yogyakarta W, Stefan Agung; Djuwantoko, Djuwantoko; Jati, Wibowo N.
Biota : Jurnal Ilmiah Ilmu-Ilmu Hayati Vol 10, No 1 (2005): February 2005
Publisher : Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2022.099 KB) | DOI: 10.24002/biota.v10i1.2864

Abstract

Asian Swallow Bird (Hirundo rustica Linn.) representing one of the type of bird migran which is spread over in almost entire all earth. This Bird type in Java and Bali represent the common winter visitor met in all height. Information of concerning this animal existence in Yogyakarta very minim, last data about existence and amount of Asian swallow bird population in Yogyakarta in reporting in the year 1996 and till now there is no researcher reporting the species existence in Yogyakarta. This Research study about abundance population and distribution Asian swallow bird at season of migration of September 2003 - March 2004 in all region Yogyakarta. Research conducted in all region of Province of Special Region of Yogyakarta consisted by 5 sub-province, that is Sub-Province Sleman, Sub-Province Bantul, Sub-Province Kulonprogo, Sub-Province of Gunung Kidul and Municipality D.I. Yogyakarta. Parameter measured in this research is estimating an abudan of population and location of distribution population. Data intake of is amount of population conducted by direct enumeration, whereas intake of distribution data conducted by noting the name of location and geographical position. Data of result of research obtained in compiling in tables, is later then made by graph of population fluctuation and ploted in map of pursuant to co-ordinate finding of Asian swallow bird individual. To know diffraction resulted by a population enumeration, will be counted with the standard deviation formula. Result of perception indicate that full scale of Asian swallow bird population during a period to migration reach the maximum value equal to 32.579 that happened at third week of November 2003 and amount of biggest population is concentration in jl. K.H. Ahmad Dahlan and jl. Senopati, area Malioboro, Municipality Yogyakarta, that is equal to 28877 36,91. Sub-Province Bantul represent the area which is at most met by the Asian swallow bird location.
Studi Perilaku Teritorial Burung Cangak Abu (Ardea cinerea Linn.) di Kebun Raya dan Kebun Binatang Gembiraloka Yogyakarta Nugroho, Wahyu; Djuwantoko, Djuwantoko; Jati, Wibowo N.
Biota : Jurnal Ilmiah Ilmu-Ilmu Hayati Vol 10, No 3 (2005): October 2005
Publisher : Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (226.209 KB) | DOI: 10.24002/biota.v10i3.2877

Abstract

This study aim to see on ecological aspect of Cangak Abu specifically on its behavior in defending their terittory. This research was done from July to August 2004. Data collecting was done using territory mapping methods with three observation area (1st-3rd). One pair of Cangak Abu observed at each area. Cangak Abu showed some behavior such as vocalization, sound, visual display, visual display-sound, visual display-sound-shortflight, patroling flight and fighting. The territories on frist to third observation areas were OA : 9 m2; OA : 6 m2 and OA : 9 m2 respectively.
Penentuan Pakan Rusa Bawean dengan Analisis Kotoran, di Pulau Bawean Djuwantoko, Djuwantoko; Purnomo, Danang Wahyu
Biota : Jurnal Ilmiah Ilmu-Ilmu Hayati Vol 13, No 3 (2008): October 2008
Publisher : Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (260.872 KB) | DOI: 10.24002/biota.v13i3.2572

Abstract

The research was conducted in the Bawean island, East Java, where endemic Bawean deer’s inhabited naturally. The objective was to assess what kind of plant species as food resources in natural habitat of Bawean deer. The most Bawean deer habitats particularly lowland forests, are under the greatest pressure. Logging and land conversion have caused dramatic decreases in the forest cover of Bawean island, mainly in lowland, and forest margins are progressively shifting towards higher elevations. In that conditions, therefore a management practices should be implemented soon, for improving deer habitat. This study was focused on availability of food resources in the natural habitat of Bawean deer. Using indirect methods in the field to assess the remaining of food resources, which was consumed by Bawean deer, and fecal analysis was executed for identifying food deer items. The result, there were many species of plants as a food resources including Imperata cylindrical (lalang), Pericampylus glaucus (ancucu), Caryota mitis (andudur), Discorea hispida (gadung), Symplocos adenophylla (kayu sape), Coelorhachis muricata (lampedung), Scheria hebecarpa (lanting-lantingan), Paspalum cunyugatum (lambu merah), Argyera mollis (rombok putih), Lygodium circinnatum (taliata), Nephrolepis hirsitula (rending-rendang), Tridax procumbens (kenci-kencian), Brachiaria distachya (kabak-kabakan alas), Frimbrisyllis dichotoma (lente-lentean). The availability of those food resources was affected by season i.e., dry and rainy season, and the feeding habit of Bawean deers can allow adapting to the habitat condition. Based on that figure the Bawean deers may have so many several of food items in their natural habitat.
Co-Authors A.A. Ketut Agung Cahyawan W Danang Wahyu Purnomo Hafsah Hafsah Kustono Kustono Mukhlison Mukhlison, Mukhlison Retno Nur Utami, Retno Nur Tri Yuwanta W, Stefan Agung Wibowo N. Jati, Wibowo N.