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All Journal METAMORFOSA Journal of Biological Sciences SIMBIOSIS Jurnal Kajian Bali Bawal : Widya Riset Perikanan Tangkap Advances in Tropical Biodiversity and Environmental Sciences

FX. Sudaryanto

Program Studi Biologi Fakultas Matematika Ilmu Pengetahuan Alam, Universitas Udayana

Author-ID : 5856034

Religion Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Environmental Science Immunology & microbiology Languange, Linguistic, Communication & Media Social Sciences Veterinary

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Articles

Perkembangan Dan Ukuran Pertama Kali Matang Gonad (Lm50) Ikan Lemadang (Coryphaena hippurus Linnaeus, 1758) Betina Di Perairan Selatan Bali Hety Hartaty; Iriani Setyawati; FX. Sudaryanto
Metamorfosa: Journal of Biological Sciences Vol 8 No 2 (2021)
Publisher : Prodi Magister Ilmu Biologi, Fakultas MIPA, Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/metamorfosa.2021.v08.i02.p02

Research on the reproductive biology of fish can provide information on spawning frequency, spawning success, spawning time, and size at first maturity. This research aimed to determine the reproductive biology of common dolphinfish (Coryphaena hippurus Linnaeus, 1758) landed at the fish landing site (PPI) Kedonganan, Badung, Bali. Sampling was conducted in May - September 2018. A total of 42 female common dolphinfish with length ranged between 41-110 cm FL were obtained from hand-line fishery based on FADs. Ovaries were prepared using the paraffin method and Harris Haematoxylin-Eosin staining for histological observation. The results showed that the gonad maturity level in adult females was: spawning (38.10%), spawning capable (35.71%), regressing-potentially reproductive (4.76%), regressed 1 (2.38%), regressed 2 (2.38%), and regenerating (2.38%). Immature female: immature (9.52%) and developing (4.76%). Oocyte diameter ranged between 43,20 – 864,66 µm with an average of 430,99 µm. Fecundity in fish size 49-75 cm FL ranged from 30,720-433,080 eggs / fish with an average of 129,594 eggs / fish. The difference in the level of oocytes in the ovaries at the same time showed that female common dolphinfish in the southern Bali waters has an asynchronous ovary development and indeterminant fecundity with multiple spawning strategies and size at first maturity (Lm50) was 43.2 cm FL. Keywords: common dolphinfish, gonad histology, size at maturity

Pemantauan Jenis Burung Pemangsa Pada Migrasi Arus Datang Di Gunung Sega, Karangasem Bali Santi Ayuning Tyas; L.P.E.K Yuni; F.X Sudaryanto
Metamorfosa: Journal of Biological Sciences Vol 7 No 1 (2020)
Publisher : Prodi Magister Ilmu Biologi, Fakultas MIPA, Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/metamorfosa.2020.v07.i01.p02

Fenomena migrasi burung pemangsa merupakan fenomena yang terjadi dua kali setiap tahun, yaitu migrasi musim gugur (autumn migration) dan migrasi musim semi (spring migration). Di Indonesia, migrasi musim gugur dikenal juga dengan istilah migrasi arus datang, sedangkan migrasi musim semi dikenal dengan istilah migrasi arus balik. Penelitian ini bertujuan untuk mengetahui jenis burung pemangsa yang melintas di Gunung Sega, Karangasem Bali pada migrasi arus datang tahun 2018. Penelitian dilakukan pada tanggal 1 Oktober – 30 November 2018 di Gunung Sega Karangasem Bali dengan menggunakan metode dari Hume (1993). Jenis burung pemangsa yang tercatat adalah 7 jenis, yang terdiri dari 5 jenis migran dan 2 jenis penetap. Jenis migran yaitu elang-alap cina (Accipiter soloensis), elang-alap nipon (Accipiter gularis), elang sikep madu asia (Pernis ptilorhynchus), alap-alap kawah (Falco perigrinus) dan elang ular jari pendek (Circaetus gallicus). Burung pemangsa jenis penetap yang tercatat yaitu elang ular bido (Spilornis cheela) dan alap-alap sapi (Falco moluccensis). Kata kunci: Accipiter, burung pemangsa, Gunung Sega, migrasi

Peranan Awig-awig Desa Adat dalam Konservasi Jalak Bali di Kepulauan Nusa Penida F.X. Sudaryanto; S. Pudyatmoko; J. Subagja; T.S. Djohan
Jurnal Kajian Bali (Journal of Bali Studies) Vol 9 No 1 (2019): WACANA KRITIS BUDAYA BALI
Publisher : Pusat Kajian Bali Universitas Udayana

Bali Starling (Leucopsar rothschildi Stresemann, 1912) is an endemic bird in Bali, which is categorized as critical (Critically endangered). Starting in 2006 Bali starling conservation efforts were also carried out in the Nusa Penida Islands. This study aims to study contribution of the customary village regulation (awig-awig) to the success of the conservation of Bali Starling in the Nusa Penida Islands. Methods used included calculation of the Bali starling population directly with concentrated methods and the awig-awig implementation in the community obtained using AHP (Analytical Hierarchy Process). Results of the study showed that the population of Bali Starling in 2006 was 49, while in 2015 there were 66 individuals. Awig-awig has been the most important alternative to protect Bali starling. The conclusion of this study is that the Bali Starling population is increasing, and the Nusa Penida Islands community has a perception, and good participation in the awig-awig who protect the Bali Starling.

DISTRIBUTION OF BALI STARLING (Leucopsar rothschildi) IN NUSA PENIDA ISLAND FX. Sudaryanto; Jusup Subagja; Satyawan Pudyatmoko; Cut Sugandawaty Djohan
SIMBIOSIS Vol 6 No 2 (2018)
Publisher : Jurusan Biologi Universitas Udayana

Bali Starling (Leucopsar rothschildi Stresemann, 1912) is endemic bird to the Bali Island. Since 1966, Bali Starling has been categoried as Critically Endangered by the IUCN Red List of Threatened Species, and the Indonesian Government Regulation No. 7 of 1999 on Preservation of Fauna and Flora. Conservation of Bali Starling has been done in the Bali Barat National Park, but has not succeeded yet. Therefore, starting in 2006 the conservation of the Bali Starling is also done in the Nusa Penida Islands, Klungkung Regency. To examine the successful of conservation of Bali Starling in Nusa Penida Islands, need the studies as follows: How is the distribution of Bali Starling? This research aims to study the success of conservation of Bali Starling in Nusa Penida Island. Specifically, the purpose of this research were to study distribution of Bali Starling. Materials and methods used in this research was known from questioned to the people in the area, and also conducted exploration. Distribution of Bali Starling in 2006 was only in three locations, and being expanded in 2015 there were at least in 12 locations. Keywords: Bali Starling, Leucopsar rothschildi, Nusa Penida Island, Bali,distribution

PERKEMBANGAN HISTOLOGI GONAD, FEKUNDITAS DAN PENDUGAAN PEMIJAHAN TONGKOL LISONG (Auxis rochei Risso, 1810) DI PERAIRAN SELATAN BALI Indrastiwi Pramulati; A.A.S.A Sukmaningsih; F.X Sudaryanto
BAWAL Widya Riset Perikanan Tangkap Vol 14, No 1 (2022): (APRIL) 2022
Publisher : Pusat Riset Perikanan, BRSDM KP.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/bawal.14.1.2022.21-37

Tongkol lisong (Auxis rochei Risso, 1810) adalah satu jenis ikan tuna neritik yang terdapat di perairan Samudera Hindia selatan Jawa. Tingkat pemanfaatan pada saat ini diduga telah mencapai fully exploited. Penelitian tongkol lisong dilakukan untuk memperoleh data biologi reproduksi meliputi perkembangan gonad betina, fekunditas dan pemijahan di perairan selatan Bali sebagai bahan masukan bagi pengelolaan. Penelitian dilakukan pada bulan Juni-November 2021, melalui pengambilan contoh dari hasil tangkapan yang didaratkan di PPI Kedonganan, Bali. Sebanyak 151 ekor ikan betina dari total sampel 317 ekor (panjang 15-35 cmFL) telah diteliti. Sampel gonad segar difiksasi dan dianalisis secara histologis melalui metode parafin dengan pewarnaan Harris-Haemotoxilin dan Eosin. Tongkol lisong mempunyai tipe pemijahan ganda dengan kematangan oosit tidak seragam, ditandai adanya beberapa tingkat kematangan oosit dalam satu ovarium. Tongkol lisong betina yang belum matang gonad memiliki oosit unyolked dan early yolked berdiameter antara 41-179 µm; gonad ikan betina dewasa memiliki oosit lebih matang yaitu advanced yolked (AY) berdiameter antara 275-328 µm, mempunyai migratory nucleus berdiameter antara 475-514 µm dan hydrated berdiameter sekitar 554 µm. Secara makroskopis tongkol lisong betina berpijah sejak bulan Juli dengan kontribusi 32%. Pengamatan mikroskopis menunjukkan pemijahan telah berlangsung sejak Juni hingga Oktober, puncak pemijahan Juli-Agustus denga kontribusi 52% dari total ikan betina yang diamati. Dugaan fekunditas dengan oosit migratory nucleus dan hydrated yang dikeluarkan berkisar antara 5.062-229.707 butir telur/ekor atau rata-rata 81.351 butir/ekor.Bullet tuna (Auxis rochei) is one of the neritic tuna species in the Indian Ocean south of Java. At present, its exploitation rate of its has reached fully exploited. This study was conducted to obtain the data on reproductive biology related to the gonadal (ovaries) development, fecundity and spawning in the southern waters off Bali as the input for management. The research was conducted from June to November 2021 by biological fish sampling from the catch landed. About 151 females fish from a total of 317 fishes ranging between 15-35 cm FL could be observed. The fresh gonad samples were fixed and analyzed histologically by the paraffin method with Harris-Haemotoxilin and Eosin’s staining. Bullet tuna is a multiple spawner type with asynchronous oocyte development. The immature female fish have an unlocked and early yolked oocytes with 41-179 µm in diameter; the mature ovaries have oocytes in a higher level of maturity, namely advanced yolked (275-328 µm in diameter), migratory nucleus (475-514 µm in diameter), and hydrated oocytes (about 554 µm in diameter). Macroscopically, the female bullet tuna spawned in July, characterized by decreasing GSI value and the presence of ovaries in the maturity stage IV (mature) and V (spent), with a contribution of 32% of total females landed. The microscopic observations during the sampling periods showed that spawning, characterized by the emergence of spawning development classes, took place from June to October. The peak of spawning was around July-August, where 52% of the total females landed—estimating fecundity (number of mature eggs released during spawning) with that migratory nucleus and hydrated oocytes in between 5,062-229,707 eggs/individual with an average of 81,351 eggs/individual.

The Daily Activities of Sun Bear (Helarctos malayanus, Ursidae) in Bali Animal Rescue Center Ni Luh Watiniasih; Franciscus Xaverius Sudaryanto; Mufadilatur Rohmah
Advances in Tropical Biodiversity and Environmental Sciences Vol 2 No 2 (2018): ATBES
Publisher : Institute for Research and Community Services Udayana University

Sun Bear (Helarctos malayanus) is found in Indonesia such as in Sumatra and Kalimantan. Helarctos malayanus is the smallest bear in the world and listed as vulnerable animal. Baloo is a sun bear that is rescued and raised at Bali Animal Rescue Centre located in Tabanan Bali. Before it will be released to the natural habitat, it is important to understand its behaviour, so it will be survived in their natural habitat. This study aimed to investigate the daily activity of sun bear rais at Bali Animal Rescue Centre. Research has been conducted at Bali Animal Rescue Centre from 2nd – 26th January 2019. Observation o daily activities of sun bear was conducted from 08.00 – 16.00 local time. It has been found that most of daily time was spent on grooming (35%), followed by feeding/eating (27%), moving (26%), and stationary (24%). Baloo has hardly found vocalized or defacate/urinate. Baloo was resting around 11.00 am and active feeding/eating along the day as well as moving. She moved a lot at 08.00 am, as she was provisioned by the carer, less moving in the middle of the day (12.00 am) and before resting at 17.00 pm. The variation of time spent on the daily activities of the sun bear at the rescue center can be used as reference before she will be release to its natural habitat.

Daily Activity of Southern Cassowary (Casuarius casuarius Linnaeus, 1758) in Bali Zoo, Gianyar Alia Ambara Putri Purbaya; Luh Putu Eswaryanti Kusuma Yuni; Fransiscus Xaverius Sudaryanto
Metamorfosa: Journal of Biological Sciences Vol 9 No 2 (2022)
Publisher : Prodi Magister Ilmu Biologi, Fakultas MIPA, Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/metamorfosa.2022.v09.i02.p05

Burung Kasuari Gelambir Ganda (Casuarius casuarius Linnaeus, 1758) merupakan satwa endemik yang keberadaannya memiliki pengaruh besar dalam ekologi hutan di Papua. Sebagai frugivora, burung ini berperan untukmenyebarkan biji pohon buah-buahan yang merupakan 90% dari spesies pohon di hutan Papua. Namun populasi burung ini di habitat alaminya mengalami penurunan akibat konversi hutan seiring perkembangan penduduk, dan diperparah oleh perburuan oleh masyarakat setempat. Konservasi ex-situ dilakukan dengan tujuan untuk mengembangbiakkan satwa di luar habitat aslinya, sehingga penelitian aktivitas harian spesies burung Kasuari Gelambir Ganda perlu dilaksanakan. Penelitian dilakukan dari tanggal 10 Januari sampai 21 Februari 2022 terhadap lima individu burung Kasuari Gelambir Ganda di Bali Zoo. Metode yang digunakan yaitu focal animal sampling dengan instantaneous recording selama 30 menitdengan interval waktu satu menit. Data yang diperoleh ditabulasi dan dianalisis menggunakan Microsoft Excel, kemudian dijabarkan secara deskriptif. Aktivitas yang paling banyak dilakukan oleh burung Kasuari Gelambir Ganda di Bali Zoo adalah istirahat (35,69%), dilanjutkan dengan aktivitas bergerak (19,69%), mencari makan (18,58%), menelisik bulu (16,74%), waspada (6,69%), vokalisasi (1,19%), defekasi (0,48%), dan urinasi (0,14%). ini menunjukan bahwa burung Kasuari Gelambir Ganda dapat merefleksikan aktivitas hariannya secara alami selama berada di lembaga konservasi Bali Zoo yang mengindikasikan kesejahteraan satwa terpenuhi. Kata Kunci : Aktivitas Harian, Bali Zoo, Kasuari Gelambir Ganda, Konservasi

Co-Authors Alia Ambara Putri Purbaya Cut Sugandawaty Djohan Hety Hartaty Indrastiwi Pramulati IRIANI SETYAWATI J. Subagja Jusup Subagja L.P.E.K Yuni LUH Puru ESWARYANTI KUSUMA YUNI Mufadilatur Rohmah Ni Luh Watiniasih S. Pudyatmoko Santi Ayuning Tyas Satyawan Pudyatmoko T.S. Djohan

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