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Ni Made Suartini
PS Biologi FMIPA UNUD
Biochemistry, Genetics & Molecular Biology

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KEANEKARAGAMAN CAPUNG (ORDO: ODONATA) DI KAWASAN WISATA SEMARA RATIH DESA TARO, GIANYAR-BALI Tresia Uliani Purba; Ni Made Suartini; Ni Luh Watiniasih
SIMBIOSIS Simbiosis Volume 12 No. 1 2024
Publisher : Program Studi Biologi Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JSIMBIOSIS.2024.v12.i01.p02

Abstract

Dragonfly is an insect with an interesting morphology and is often found in areas that are still beautiful and unpolluted, making it an environmental bioindicator.. This research was conducted to determine the diversity of dragonfly species and environmental factors that could influence their existence. The study was carried out in January-February 2023 using the exploratory method. Samples were taken from three station points in the morning and evening five times. The captured dragonfly samples were then identified by observing their morphological characters such as body shape, color pattern on the thorax and abdomen, wing venation, and wing color pattern. Environmental factors of temperature, humidity and altitude where measured every sampling site. The results obtain ten species of dragonflies were found, namely Copera marginipes, Agriocnemis pygmaea, Agriocnemis femina, Ischnura senegalensis, Orthetrum testaceum, Orthetrum sabina, Potamarcha congener, Neurothemis ramburii, Neurothemis terminata. The diversity index obtained was in the medium category with almost even distribution and no dominating species were found. Environmental conditions support the existence of dragonflies in Semara Ratih, Taro Tourism Village, Gianyar-Bali so that in the future it can be used as a tourist attraction in the area. Keywords: dragonfly, identification, morphological characters, habitat, Taro
KARAKTERISASI MORFOLOGI TANAMAN KAKAO (Theobroma cacao L.) DAN HAMA YANG DITEMUKAN DI PT. PERKEBUNAN NUSANTARA XII BANYUWANGI Alfin Fauziah Safitri; Ni Luh Watiniasih; Ni Made Suartini
SIMBIOSIS Simbiosis Volume 12 No. 2 2024
Publisher : Program Studi Biologi Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JSIMBIOSIS.2024.v12.i02.p04

Abstract

Cocoa (Theobroma cacao L.) is a commodity that has an important role in economic growth in Indonesia. Cacao cultivation business often experiences various obstacles, such as pest and disease attacks and the use of planting materials that have not been certified. The aims of this study were to determine the variations in the morphological characters of the cocoa plants and to identify the pests found and the kinship relationships among the cocoa plants. Research conducted at PT. Perkebunan Nusantara XII Kebun Kendenglembu Banyuwangi, East Java. Collecting data by conducting interviews, observation, document-tation, and literature study. Characterization was carried out on the leaves, flowers, fruits and stems of the cocoa plant, as well as observing the symptoms of damage caused by pests to the cocoa plant. The six cocoa clones had different morphological characteristics in fruit length, fruit circumference, thickness of the sclerotic layer, thickness of the inner groove of the fruit, thickness of the outer groove of the fruit, leaf length, leaf width, petiole length, and stem circumference. The six cocoa clones can be grouped into two groups where the clones in one group are thought to have a close kinship relationship because they are in the same lineage and based on the similarity of the morphological characters of the fruit. The pests found were fruit-sucking ladybugs, caterpillars, mealybugs, squirrels and slugs.
DIVERSITAS ODONATA DI KAWASAN EKOWISATA SUBAK SEMBUNG, DENPASAR UTARA Ni Luh Putu Nadia Febryanti; Ni Made Suartini; Sang Ketut Sudirga
SIMBIOSIS Simbiosis Volume 13 No. 1 2025
Publisher : Program Studi Biologi Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JSIMBIOSIS.2025.v13.i08.

Abstract

The Odonata order comprises two suborders: dragonflies (Suborder Anisoptera) and damselflies (Suborder Zygoptera). This research aim to detect the species and level of diversity of Odonata present in the Subak Sembung Ecotourism Area, located in the northern region of Denpasar. The research was carried out in June until July 2024 using an exploratory method at three observation points in different Odonata habitats. Each habitat was explored in the morning from 08.00 to 11.00 WITA and in the afternoon from 15.00 to 17.00 WITA. Sampling was repeated three times. Odonata samples obtained from the three habitats were then identified through the observation of morphological characteristics. Enviromental factors were measured at each point and sampling, including altitude, air temperature and humidity. Based on the results of the research carried out six spesies of Odonata were found, namely Ischnura senegalensis, Agriocnemis femina, Agriocnemis pygmaea, Pseudagrion pruinosum, Orthetrum sabina and Crocothemis servillia. Odonata data from three different habitats were calculated by diversity index, which was categorized as moderate in the kale habitat with a value of 1,36, while the water henna habitat and rice habitat were categorized as low with values of 0,55 and 0,79. Keyword: Dragonflies, ecotourism, diversity, Odonata, Subak Sembung
KARAKTERISASI DAN ANALISIS POLA PERTUMBUHAN IKAN KEMBUNG (Rastrelliger sp.) YANG DIDARATKAN DI TEMPAT PELELANGAN IKAN KEDONGANAN, BALI: CHARACTERIZATION AND GROWTH PATTERN ANALYSIS OF IKAN KEMBUNG (Rastrelliger sp.) LANDED AT KEDONGANAN FISH AUCTION SITE, BALI Revael Sihombing; Ni Made Suartini; Ngurah Intan Wiratmini
SIMBIOSIS Simbiosis Volume 13 No. 2 2025
Publisher : Program Studi Biologi Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JSIMBIOSIS.2025.v13.i02.p04

Abstract

ABSTRACT One of Bali's largest fish potential areas is Kedonganan, a coastal region where the majority of residents are fishermen. Kedonganan waters represent a highly promising fish landing site due to its direct proximity to the Indian Ocean. Based on preliminary surveys and interviews with local fishermen, the dominant small pelagic fish species frequently landed in large quantities at the Kedonganan Fish Auction (TPI) are mackerel fish (Rastrelliger sp.). This study aims to investigate the morphology, morphometrics, and growth patterns of these species landed at TPI Kedonganan. This research employed survey and interview methods. The variables examined include fish morphology, fish morphometrics consisting of 15 characters, and the growth patterns of mackerel fish (Rastrelliger sp.). The findings reveal that mackerel fish (Rastrelliger sp.) exhibit a fusiform body shape, terminal mouth, forked caudal fin, and cycloid scales. Morphometric measurements showed an average total length of 217.8 cm. The growth pattern of mackerel fish includes negative allometric (b<3).
Co-Authors Alfin Fauziah Safitri Ngurah Intan Wiratmini Ni Luh Putu Nadia Febryanti Ni Luh Watiniasih Revael Sihombing SANG KETUT SUDIRGA Tresia Uliani Purba