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Biota: Jurnal Ilmiah Ilmu-Ilmu Hayati

biota
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Published by Universitas Atma Jaya Yogyakarta

ISSN : 25273221 EISSN : 2527323X DOI : doi.org/10.24002/biota

Core Subject : Science, Agriculture,

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

Biota: Jurnal Ilmiah Ilmu-Ilmu Hayati merupakan jurnal ilmiah yang memuat hasil-hasil penelitian, kajian-kajian pustaka dan berita-berita terbaru tentang ilmu dan teknologi kehayatian (biologi, bioteknologi dan bidang ilmu yang terkait). Biota terbit pertama kali bulan Juli 1995 dengan ISSN 0853-8670. Biota terbit tiga nomor dalam satu tahun (Februari, Juni, dan Oktober).

Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)

Articles 1,193 Documents

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Dengan Rumput Laut, Membangun Negara (Kajian Buku) Sidharta, Boy Rahardjo
Biota : Jurnal Ilmiah Ilmu-Ilmu Hayati Vol 10, No 2 (2005): June 2005
Publisher : Universitas Atma Jaya Yogyakarta

Rumput laut (seaweed) adalah biota laut yang mungkin paling dikenal manusia sejak lampau (setelah ikan, tentunya). Manfaat rumput laut bagi manusia juga sangat bervariasi, mulai dari sumber makanan hingga obat-obatan. Di dunia moderen sekarang ini, rumput laut juga semakin dikenal berkat hasil-hasil penelitian ilmiah yang dilakukan manusia terhadap biota ini.

Resistensi Kacang Tanah Transgenik yang Membawa Gen cp PStV Stabil Sampai Tujuh Generasi Silang-Dalam terhadap Peanut Stripe Virus Hapsoro, Dwi; Aswidinnoor, Hajrial; Jumanto, Jumanto; Suseno, Rusmilah; Sudarsono, Sudarsono
Biota : Jurnal Ilmiah Ilmu-Ilmu Hayati Vol 12, No 2 (2007): June 2007
Publisher : Universitas Atma Jaya Yogyakarta

Penyakit bilur kacang tanah yang disebabkan oleh peanut stripe virus (PStV)merupakan salah satu penyakit utama pada pertanaman kacang tanah (Arachishypogaea L.). Penggunaan varietas tahan merupakan alternatif paling efektif untukmengatasi penyakit tersebut. Rekayasa genetika merupakan metode efektif untukmendapatkan varietas kacang tanah yang resisten PStV. Tujuan penelitian ini adalahuntuk (1) mengetahui respons tanaman kacang tanah transgenik yang membawa gen cpPStV terhadap infeksi PStV dan (2) menguji stabilitas transgen sampai tujuh generasisilang-dalam. Tanaman kacang tanah transgenik cv. Gajah generasi T0, T1, T2, T3, T5,T6, dan T7 diinokulasi secara mekanik dengan PStV. Terdapat tiga jenis respons kacangtanah transgenik terhadap infeksi PStV, yaitu resisten, recovery, dan rentan. Padatanaman resisten gejala tidak muncul. Pada tanaman recovery, gejala chlorotic ringmottle muncul pada satu daun atau lebih, selanjutnya gejala tidak tampak pada daundaunyang tumbuh kemudian. Pada tanaman rentan, gejala severe blotch muncul padasuatu daun, selanjutnya gejala tersebut tetap muncul pada seluruh daun yang tumbuhkemudian. Transgen cp PStV tetap stabil setelah mengalami tujuh generasi silangdalam.Sejumlah galur murni kacang tanah transgenik yang resisten PStV telahdiidentifikasi.

Kajian Laboratorium Tentang Pengaruh Hujan Asam Buatan terhadap Armadillidium vulgare (Armadillidiidae, Isopoda) Musyafa, Musyafa
Biota : Jurnal Ilmiah Ilmu-Ilmu Hayati Vol 11, No 1 (2006): February 2006
Publisher : Universitas Atma Jaya Yogyakarta

Kajian laboratorium ini dilakukan untuk mengetahui mekanisme pengaruh negatif hujan asam terhadap makrofauna tanah. Armadillidium vulgare yang merupakan salah satu makrofauna tanah pemakan seresah (saprofag) penting di Tokyo yang digunakan dalam penelitian ini. Pengaruh makanan, pengaruh langsung dan pengaruh medium yang direndam dengan cairan asam digunakan untuk mengetahui mekanisme ini. (1). Pengaruh makanan dilakukan dengan cara merendam seresah daun aoki (Aucuba japonica) dalam air atau air yang diberi cairan H2SO4 dengan pH 6,4, dan 2. Seresah ini diberikan pada A. vulgare sebagai makanan (2) Efek langsung dilakukan dengan cara meneteskan 1 ml air atau air yang diberi cairan H2SO4 langsung ke tubuh hewan setiap dua minggu. (3) Pengaruh medium dilakukan dengan merendam medium dalam air maupun air yang diberi cairan H2SO4. Pertumbuhan dan persen hidup A. vulgare dicatat. Pertumbuhan dan persen hidup A. vulgare yang diberi makan seresah yang rendam dalam larutan asam sangat rendah. Penetesan cairan asam pada tubuh A. vulgare secara langsung tidak berpengaruh negatif terhadap pertumbuhan dan persen hidup A. vulgare. Pertumbuhan A. vulgare tidak dipengaruhi oleh medium yang direndam dalam cairan asam, tetapi persen hidupnya sedikit berkurang. Pengaruh cairan asam secara tidak langsung melalui makanan lebih penting daripada pengaruh langsung. Hal ini disebabkan tubuh A. vulgare dilindungi kutikula yang tebal. Untuk taksa yang memiliki tubuh yang lunak pengaruh langsung mungkin juga penting.

Collembola Lantai Hutan Di Kawasan Hulu Sungai Tabalong Kalimantan Selatan Rahmadi, Cahyo; Suhardjono, Yayuk R.; Andayani, Iwing
Biota : Jurnal Ilmiah Ilmu-Ilmu Hayati Vol 9, No 3 (2004): October 2004
Publisher : Universitas Atma Jaya Yogyakarta

Collembola in Kalimantan Island is poorly studied even this island has high value of biodiversity especially Collembola. Taxonomically, Collembola in Borneo was studied well by Yosii in Sabah (Malaysia) in the other side, very few report about ecology of Collembola in Kalimantan. This research was aimed to study the ecology of Collembola in five different forest types i.e. 3 natural forest and two Industrial tree plantation (HTI). This study was done in forest on Upper Tabalong River at June 2002. Collembola was collected by using a pitfall traps and soil-litter samples. Each forest type had twenty pitfall traps were set along two transects with 100 in length and operated for four days. Five soil-litter samples were collected in each forest type and modification of Berlese funnel was used to sort out Collembola from soil and litter for two weeks. The results of study show that dominant families in study sites are Paronellidae, Dicyrtomidae and Entomobryidae. These families are surface dwelling Collembola that live on soil surface among the litter. Five different forest types have different Collembolan composition due to different microhabitat, which had different vegetation and diversity. Number of species and individual of Collembola was showed that the highest of Collembola both species and individual was in natural forest (Km 57/Arboretum) and the lowest one was in Industrial tree plantation (HTI 1/Acacia mangium).The richness of collembola was affected by diversity of vegetation in each site and condition of forest floor.

Kelimpahan Cacing Tanah pada Beberapa Jenis Tegakan Pohon di Wanagama I Supriyo, Haryono; Musyafa, Musyafa; Figyantika, Arom; Gamayanti, Saptuti
Biota : Jurnal Ilmiah Ilmu-Ilmu Hayati Vol 15, No 2 (2010): June 2010
Publisher : Universitas Atma Jaya Yogyakarta

Earthworms feed exclusively on dead organic matter (OM). The earthworm population is regulated by organic matter availability and soil characteristics. The aim of the research was to investigate the effect of seasonal change to the abundance and biomass of earthworms in Wanagama I. Collection of the soil samples was conducted from a quadrangle 25 x 25x 25 cm with the depth of 0-10, 10-20 and 20-30 cm with 5 replications under stands of Glyricidae, Leucaena, Teak, Acacia, Eucalyptus and Mahogany. Soil samples were taken at rainy season (February), early dry season (July) and dry season (October) 2004. The earthworms were manually extracted from soil samples and the abundance was stated as number and biomass of dry weight. The result showed the abundance and biomass of earthworms were high only in February at the soil depth of 0-10 cm. The highest number of earthworm and biomass was found in Mahogany stand (224,000 individual.ha-1/105.6 kg.ha-1). Multiple linier regression analysis showed that abundance of earthworms was affected by soil moisture content, while the biomass of earthworms was affected by soil pH and bulk density (aeration).

Klorofil Floresen dari Spesies C3 dan C4 dalam Responnya terhadap Cekaman Kekeringan Hamim, Hamim
Biota : Jurnal Ilmiah Ilmu-Ilmu Hayati Vol 10, No 3 (2005): October 2005
Publisher : Universitas Atma Jaya Yogyakarta

Klorofil floresen fotosintesis dari dua spesies C3 (gandum dan kale) dan dua spesies C4 (Echinochloa cursgallii dan Amaranthus caudatus) dianalisis dalam responnya terhadap cekaman kekeringan di rumah kaca. Tumbuhan ditanam dalam pot berdiameter 15 cm selama sebulan kemudian diberi perlakuan kekeringan dengan penundaan penyiraman hingga tumbuhan layu. Kuantum efisiensi maksimum dari sistem cahaya II fotosintesis (Fv/Fm), quenching foto kimia (qP) dan non-fotokimia (qN) dianalisis untuk mengetahui keadaan fotosintesis tumbuhan selama cekaman kekeringan. Walaupun tidak ada pola yang jelas dalam hal status air dari spesies C3 dan C4, cekaman kekeringan yang diberikan menyebabkan penurunan kadar air medium (MWC), potensial air (WP) dan potensial osmotik (OP) semua spesies.Â Gandum mamiliki nilai WP dan OP yang paling rendah sementara E. crusgallii memiliki nilai yang paling tinggi akibat cekaman kekeringan. Kekeringan menyebabkan penurunan laju fotosintesis pada semua spesies yang ditandai dengan penurunan qP, namun hanya kale dan A. caudatus yang mengalami peningkatan qN akibat cekaman kekeringan. Tetap stabilnya qP dari E. crusgallii pada awal cekaman mungkin berkaitan dengan mekanisme C4 yang dimiliki oleh spesies ini.Â Penurunan Fv/Fm pada E. crusgallii pada periode akhir cekaman menunjukkan bahwa spesies ini mengalami fotoinhibisi disebabkan cekaman kekeringan.

Pengaruh Penggunaan Umpan dan Konstruksi Funnel terhadap Hasil Tangkapan Bubu Laut Dalam di Teluk Palabuhanratu Purbayanto, Ari; Susanto, Adi; Husni, Eddi
Biota : Jurnal Ilmiah Ilmu-Ilmu Hayati Vol 12, No 2 (2007): June 2007
Publisher : Universitas Atma Jaya Yogyakarta

The main objective of this research was to analyze the influence of bait and funnel constructions on the catch of deep sea pot in Palabuhanratu Bay. The experimental fishing used each of 5 units rigid and soft funnel of the deep sea pots filled with bait of shark and ray meat. The result showed that shark and ray baits did not have a significant influence on the weight of pots catch. The rigid and soft funnel constructions also did not have a significant influence on the catch. Therefore, both shark and ray baits used on the deep sea pots for catching fish at the depth of 200 m in Palabuhanratu Bay had the same effectiveness. The rigid funnel pot was a more suitable construction to catch fish, because it was easy to construct, relatively heavy and fast to sink, so it reduced the setting time.

Hubungan Kekerabatan Manusia dan Simpanse Jauh atau Dekat ? (Kajian Buku) Lanni, Fransiska
Biota : Jurnal Ilmiah Ilmu-Ilmu Hayati Vol 9, No 1 (2004): February 2004
Publisher : Universitas Atma Jaya Yogyakarta

Jika kita ingin mengetahui bagaimana hubungan kekerabatan antara manusia denganÂ simpanse, maka buku karangan Jonathan Marks berjudul 'What it means to be 98% Chimpanzee: Apes, People, and Their Genes" ini cukup membantu. Setelah Allan Wilson (1985) mengemukakan bahwa 98,5% material genetik simpanse sama dengan material genetik manusia, banyak orang bertanya-tanya mengapa perbedaan yang hanya 1,5% tersebut, membuat manusia dan simpanse secara fisik jauh berbeda dan terpisah menjadi spesies yang berbeda selama jutaan tahun.

Pemanfaatan Lengkuas (Alpinia galanga L. Swartz) Untuk Mengawetkan Ikan Pindang Tongkol (Euthynnus pelamis L.) Atmodjo, Kianto; Aida, Yuniarti; Mursyanti, Mursyanti
Biota : Jurnal Ilmiah Ilmu-Ilmu Hayati Vol 8, No 1 (2003): February 2003
Publisher : Universitas Atma Jaya Yogyakarta

The objective of this research was to prove that galangale rhizome (Alpinia galanga L. Swartz) can be used to preserved â€œpindangâ€ tuna fish (Euthynnus pelamis L.). The fish were cooked by galangale rhizome solution (the concentration were 0, 50, 100, 150, 200 mg/l b/v) for15 minutes. Then, the fish were stored in box, three fishes /box, and stored at room temperature for 6 days. Every day, The quality of fish were measured as colour, rubberness, taste, odor, total of bacteria and fungi. The result showed that there were decreased of the fish quality, spoilaged, and many fungi and bacteri growth after two days, and the level of spoilage of fish was influenced the increasing of galangale rhizome concentration. It concluded that the galangale rhizome can not use as â€œpindangâ€ tuna fish preservative.

Kajian Awal Pemanenan Siput Laut (Gastropoda) di Pantai Krakal, Yogyakarta: II. Aktivitas Pemanen Zahida, Felicia; Sinulingga, Mastok B.; Jati, Wibowo N.
Biota : Jurnal Ilmiah Ilmu-Ilmu Hayati Vol 10, No 1 (2005): February 2005
Publisher : Universitas Atma Jaya Yogyakarta

A preliminary study on marine snails harvest (Gastropods) has been done in Krakal beach, Yogyakarta, during October to December 2003. Krakal beach has become an under-pressure habitat since tourism industry occurred all over Indonesia. Marine snails have been harvested for over two decade in this area but there is no study regarding this activity yet. This study aims to elucidate the harvesterâ€™s knowledge about simple conservation and activities such as the way of harvesting, the intensity of harvesting and the income generating from harvesting gastropods.

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Brigitta Laksmi Paramita

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Fakultas Teknobiologi, Universitas Atma Jaya Yogyakarta, Jalan Babarsari No. 44, Sleman, Yogyakarta 55281, Indonesia

Location
Kota yogyakarta,

Daerah istimewa yogyakarta

INDONESIA

Abstract

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Abstract

Abstract

Abstract

Abstract

Abstract

Home Page

OAI Link

Editorial Team

Contact

Reviewer

Google Scholar

Contact Name Brigitta Laksmi Paramita

Contact Email brigitta.laksmi@uajy.ac.id

Phone +6282329549978

Journal Mail Official journal.biota@gmail.com

Editorial Address Fakultas Teknobiologi, Universitas Atma Jaya Yogyakarta, Jalan Babarsari No. 44, Sleman, Yogyakarta 55281, Indonesia

Location Kota yogyakarta, Daerah istimewa yogyakarta INDONESIA

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Contact Name
Brigitta Laksmi Paramita

Contact Email
brigitta.laksmi@uajy.ac.id

Phone
+6282329549978

Journal Mail Official
journal.biota@gmail.com

Editorial Address
Fakultas Teknobiologi, Universitas Atma Jaya Yogyakarta, Jalan Babarsari No. 44, Sleman, Yogyakarta 55281, Indonesia

Location
Kota yogyakarta,

Daerah istimewa yogyakarta

INDONESIA