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Journal : SIMBIOSIS

STRUKTUR KOMUNITAS PLANKTON DI DANAU TAMBLINGAN KABUPATEN BULELENG BALI Fendria Wadi; Deny Suhernawan Yusup; Ni Made Suartini
SIMBIOSIS Vol 9 No 2 (2021)
Publisher : Jurusan Biologi Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (234.775 KB) | DOI: 10.24843/JSIMBIOSIS.2021.v09.i02.p07

Abstract

The purpose of this research was to determine the structure of the Tamblingan lake plankton community and community activities in the area around the lake and on the body. The methods used was survey methods and quantitative-descriptive methods. Survey method by visually observing the location based on the utilization of the lake area. The quantitative-descriptive method describes phenomena based on calculations and compared with ecological index. The results showed that the plankton composition consisted of five phyla dominated by the Chlorophyta phylum. Genus that was frequently found and in high abundance are Cosmarium, Staurastum, and Nitzshia. The abundance of plankton ranges from 5,757-11,197 cells/liter with the diversity index value (H') ranging from 1,38 to 1,76 which is classified as moderate, the uniformity index (E) ranges from 0.52-0.65 which is classified as moderate, the dominance index (C ) ranged from 0.35 to 0.48 indicating no dominance of a particular genus. Most of the community activities in the Tamblingan lake area are farmers and fishermen. Agricultural activity is very low so that it has no impact on the waters of Lake Tamblingan.
`INVENTARISASI JENIS-JENIS SERANGGA ORDO ORTHOPTERA PADA TANAMAN JAGUNG DI DESA KESIMAN-DENPASAR I Gusti Putu Diah Purnama Sari; Ni Made Suartini; I Ketut Muksin
SIMBIOSIS Vol 6 No 1 (2018)
Publisher : Jurusan Biologi Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1918.759 KB) | DOI: 10.24843/JSIMBIOSIS.2018.v06.i01.p07

Abstract

In Indonesian national economics, maize is a second food source after rice. The production of maize in some aspect is affected by the presence of insect particularly Orthopteran Order. The information of advantage and disadvantage of insects is useful for farmers. This research aimed to determine the species of Orthopteran and it is role to maize plant in the Village Kesiman, Denpasar. This research was conducted from December 2015 to February 2016. Insect was collected using sweeping net accordingly in each plot of maize plants. The plot was square form with the size of 10 m x 25 m. The sample was collected from the maize plant in the Ve phase until physiological maturation phase. in each phase, from 07.00 am until 10.00 am Bali time. Sample was collected for 15 minutes per plot and repeated three times. The insects collected was identified, and the insect density was predicted following Krebs (1989). As many as 242 individual insect which belong to Orthopteran Order was collected. Those belong to 8 families and 25 species. The species were Atractomorpha sp., Orchelimum sp., Phlaeoba sp., Gastrimargus sp., Urnisiella sp., Metaleptea brevicornis, Xenocatantops sp., Scudderia sp., Calolampra sp., Eritettix sp., Platyzoteria sp., Conocephalus strictus, Morabine sp., Acrida sp., Tenodera sp., Stagmomantis sp., Blattela sp., Periplaneta sp., Tettigidea lateralis, Mantis sp., Gryllus sp., and Anaxipha exigua, Tettigidea sp. 2, Tettigidea sp. 1, and unidentified (species x). Families that act as omnivores are Family Blattidae and Grillidae, families that act as herbivores are Pyrgomorphidae, Acrididae, Tettigonidae, Eumastacidae, and Tetrigidae, while families that act as predators are Mantidae. Keyword : maize, orthopteran, insect species, insect role.
JENIS LEBAH TRIGONA (APIDAE: MELIPONINAE) PADA KETINGGIAN TEMPAT BERBEDA DI BALI Niko Susanto Putra; Ni Luh Watiniasih; Made Made Suartini
SIMBIOSIS Vol 4, No 1 (2016)
Publisher : Jurusan Biologi Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (246.571 KB)

Abstract

The aim of this study was to determine the of trigona species (stingless bee) live in different altitude in Bali. Samples were collected using purposive sampling technique, following earlier field observations to determine the location of the colonies. Samples were collected from three different locations, those were at Mawang and Taro Village at Gianyar Regency with the altitude of 750,87 m asl. Tua Village in Tabanan Regency with the altitude of 493,007 m asl, and Ngis Village in Karangase Regency with the altitude of 166,18 m asl, Species identifications were based on the morphological characters of nest entrance, the coloration of the body, wing venations, and the structure of bristle of hind tibia. Species identification were referred to Michener (2007), Schwarz (1939), Sakagami (1979), Sakagami and Inoue (1985), and Rassmusen and Cameron (2010). The result shows that out of 13 colonies collected from different altitude, ony 1 species was identified that was Trigona laeviceps. Keywords: Altitude, nest entrance, morphology, Trigona laeviceps
INTERPRETASI EKOWISATA OLEH PRAMUWISATA (PEMANDU WISATA) PADA DAYA TARIK WISATA KUPU-KUPU DI BALI Ni Kadek Siska Apriska; Anak Agung Gde Raka Dalem; Ni Made Suartini
SIMBIOSIS Vol 10 No 1 (2022)
Publisher : Jurusan Biologi Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (146.971 KB) | DOI: 10.24843/JSIMBIOSIS.2022.v10.i01.p01

Abstract

Research on ecotourism interpretation by tourist guides on butterfly attractions in Bali has been carried in 2020-2021. Objectives of this research were to find out the type of interpretation, means (tools) of interpretation and the quality of interpretation given to tourists. The method of data collection was by accidental sampling, conducting interviews, direct observation in the field, distributing questionnaires and examining documents. Data analysis was carried out quantitatively and qualitatively. The results obtained indicated that the types of interpretation applied by tour guides on butterfly parks in Bali were 9 types, namely guided tour, point duty, roving interpretation, presentation, demonstration, living history, interactive, talk and drama. There were 10 types of interpretation facilities utilized namely print, self guiding program, interpretive panel, use of audio tape, exhibit, visitor center, museum, computer, laser disc and observation hides. The quality of the interpretation by the tour guides in general could be classified as good. Based on this finding, there were some points need to be improved by the butterfly tour guides.
VARIASI SPESIES DIATOM PADA TIPE PERAIRAN BERBEDA UNTUK KEPENTINGAN FORENSIK SEBAGAI PETUNJUK KEMATIAN AKIBAT TENGGELAM Adelina Arifiani Purnomo; I Ketut Junitha; Ni Made Suartini
SIMBIOSIS Vol 3 No 1 (2015)
Publisher : Jurusan Biologi Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (166.417 KB)

Abstract

The purpose of this research was to determine diatom species in Unda River, BadungRiver, Lake Beratan, estuarine and marine waters of Padang Galak, that can be used to indicatedeath scene caused by drowning. Waters collected to 50 liters by using plankton net and carriedin a 25 ml glass bottle. The results of the research found that there were 60 species diatom from26 genera, 23 families, 2 orders, and 1 class. Among the 60 species in this research, can beindicate as 12 species are typical species of Unda River, 5 species are typical species of BadungRiver, 1 species is typical of Lake Beratan, 9 species are typical of Padang Galak Estuary, and 19species are typical to Padang Galak Sea. Among the typical species in every research site, thereare one species that has higher number: Fragilaria sp. 1 in Unda River, Gomphonema sp. 3 inBadung River. Cymbella sp. 3 in Lake Beratan, Cyclotella sp., in Padang Galak Estuarine, andCocconeis sp. 2 in Padang Galak Sea.Keywords: forensic, diatom, river, lake, sea
SPECIES OF CAPUNG (ORDER ODONATA) IN RICE PLANTS IN SEVERAL SAWAH SEKITAR DENPASAR, BALI Ni Made Suartini; Ni Wayan Sudatri
SIMBIOSIS Vol 7 No 1 (2019)
Publisher : Jurusan Biologi Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (418.062 KB) | DOI: 10.24843/JSIMBIOSIS.2019.v07.i01.p05

Abstract

Dragonfly is an insect which belongs to the Odonata order and consists of the suborder Anisoptera (dragonflies) and the suborder Zygoptera (damselflies). Its habitat is very wide including in the rice field. Dragonflies and damselflies are predatory insects, both in the form of nymphs and adults, so their role is very important in maintaining the balance of the ecosystem. The research was conducted to finding out the dragonfly species found in rice plantations in rice fields around the Denpasar area. Sampling was done by catching using insect nets on rice plantations, in the morning from 08.00 to 11.00 WITA, and in the afternoon from 15.00 to 17.00 WITA. Dragonfly samples obtained were then preserved to be identified by observing the morphological characters based on Hanum et al. (2013), and Sigit et al. (2013). Dragonfly species found in rice plantations areas in several rice fields around Denpasar are as many as 8 species which are included in 2 suborder, namely suborder Anisoptera (5 species) and suborder Zygoptera (3 species), Species of suborder Anisoptera (Potamarcha congener) only found in rice plantations in East Denpasar. Keywords: insects, dragonfly habitat, identification, morphological characters
PREFERENSI MAKAN KUMBANG KOKSI (Epilachna admirabilis) PADA BEBERAPA TANAMAN SAYURAN FAMILI SOLANACEAE Kompyang Bagus Suyoga; Ni Luh Watiniasih; Ni Made Suartini
SIMBIOSIS Vol 4, No 1 (2016)
Publisher : Jurusan Biologi Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (408.498 KB)

Abstract

Plant cultivation has been commonly practiced, particularly vegetable plants, such as eggplant, tomato and chili.However, many problems are persisted that is the pest attack. Epilachna admirabilis (Coleoptera) is one pest that commonlyattack vegetable plants. Many techniques have been applied to avoid this pest, but the result has not been in satisfantion. Thisstudy aimed to investigate the feeding preference of E. admirabilis, hence, the timing of eradication of this pests will beunderstood. This study was conducted in the Ecology Laboratory, Department of Biology, Mathematic and Natural ScienceFaculty, Udayana University on three different vegetable leaves, namely: the leaves of eggplant, tomato and chili. The resultsshowed that, based on the time of arrival and leaf consumed on each type of plant leaves, E. admirabilis chose the leaves ofeggplant and tomato first compared to chili. Epilachna admirabilis tend to consume the leaves of eggplants compared totomato, and there was no chili leaves has been consumed by this beetles.Keywords: eggplant, tomato, chili, pest, Epilachna admirabilis
VARIATION MORPHOMETRY AND MORPHOLOGICAL CHARACTER OF GOLDEN APPLE SNAIL (Pomacea canaliculata) IN RICE FIELD ABIANSEMAL VILLAGE, BADUNG I Gede Agus Suarmustika; Ni Made Suartini; Job Nico Subagio
SIMBIOSIS Vol 6 No 2 (2018)
Publisher : Jurusan Biologi Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (365.029 KB) | DOI: 10.24843/JSIMBIOSIS.2018.v06.i02.p06

Abstract

The purpose of this study was to determine variations in morphology and morphological characteristics of golden apple snails (P. canaliculata) in rice fields in Abiansemal Village. Gold apple snails can be found living in fresh water, including lakes, rivers, small ditches and also in rice fields. Rice field habitats in Bali can still be found in Abiansemal village, Badung regency, but not much information has been disclosed about the snails in the rice field habitat, especially the golden apple snail species (P. canaliculata). Therefore, it is necessary to do research on the golden apple snails in Abiansemal Village. This research was carried out in rice fields located in Abiansemal Village, Abiansemal District, Badung Regency, Bali Province. The study was conducted from April to May 2017. Sampling of golden apple snail (P. canaliculata) was carried out in three plots of rice fields in three banjars in Abiansemal Village, namely in the Latu Sari, Banjar Aseman, and Juwet banjars. The rice field was chosen randomly and then in each selected field of rice the golden apple snail sample was taken using a 1x1m square. Samples on each plot of rice were taken three times. All samples of golden snail contained in the squared were taken and cleaned and then preserved with 70% alcohol. The golden apple snail sample obtained was calculated for its density and all morphological and morphometric characters were analyzed descriptively. In this study it was found that the morphology of golden apple snail patterned lines for morphometric characters, the shell height was higher in the banjar Juwet area, for the width of the shell mouth was greater in the banjar area Aseman and the height of the shell cover was higher in the banjar area of Latu Sari, while the morphology was plain patterned for morphometric characters, the height of the shell and the height of tendrils were higher in the banjar area of Latu Sari, and for the height and width of the cover the shell was higher and wider in the banjar area of Aseman, while for the other morphometric characters the results were found almost the same. Keywords: snail, rice field, morphology, morphometry
DIVERSITY OF MOLLUSK SPECIES IN MANGROVE FOREST ECOTOURISM AREA KAMPOENG KEPITING, TUBAN VILLAGE, BALI Warda Oktoh Pratiwi; Ni Made Suartini; I Ketut Ginantra
SIMBIOSIS Vol 11 No 1 (2023)
Publisher : Jurusan Biologi Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JSIMBIOSIS.2023.v11.i01.p10

Abstract

Kampoeng Kepiting is one of the areas to seek ecotourism conservation which is supported by the government through Pertamina's Corporate Social Responsibility which is a social responsibility for environment (CSR) assistance to manage and utilize the potential of mangroves and foster nurseries for aquaculture. The structure of the mollusk community characterizes the quality of mangroves and becomes an attraction for ecotourism and aquaculture activities. There is not much information about the existence of mollusks in the mangrove forest of the Kampoeng Kepiting Ecotourism Area, so this study was conducted to determine the types of mollusks and their level of diversity in the area. Sampling was carried out in the natural mangrove zone and the reforestation mangrove zone, each of them which was five sampling plots. Sampling of mollusks was carried out using the square method measuring 1mx1m. The mollusk samples obtained were then brought to the laboratory in Biology Department for identification. There were 12 species of mollusks found in the Kampoeng Kepiting mangrove forest, including 11 species in the Gastropod class and 1 species in the Bivalvia class. The level of diversity of mollusks in general is moderate, with an index value of 2.12. Keywords: Diversity, mollusk, ecotourism potential.