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Description scleractinian coral from Miang Island, East Kalimantan Rosdianto Rosdianto; Sayyid Afdhal El Rahimi; Adrian Kryk; Sulastri Arsad; Oktiyas Muzaky Luthfi; M Azurea Bahri Luthfi
Depik Vol 11, No 3 (2022): DECEMBER 2022
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.11.3.29277

Abstract

The exact number of coral species in Indonesia is not unclear yet, in 2002 the coral taxonomist, JEN Veron, stated 590 species, and it was supported by an Indonesian coral taxonomist, Suharsono, eight years later. The current coral species data is 605 but it is from Coral Triangle Region area (CT).  The eastern of Indonesia, which is located in the Coral Triangle Region, has received a lot of attention from coral researchers, due to coral species that have been described. On the other hand, the coral reef from the western part of Indonesia, including in the East Kalimantan, has not been explored much in recent times. Through the ecoregion view, E. Kalimantan region is clustered into ecoregion 43 (Sulu Sea) which has 540 coral species. Miang Island is one of the inhabited islands from E. Kalimantan, and has an unexplored coral reef ecosystem. The method had been used in this research is descriptive, which uses photos of live corals to describe colony characteristics corals. The results of the study have described 36 species of coral and several invertebrates that make up coral reefs on Miang Island.Keywords:Hard coralAcroporaPoritesIdentificationPulau Miang
Pemantauan kondisi substrat menggunakan metode reef check di Perairan Selat Sempu, Kabupaten Malang Oktiyas Muzaky Luthfi; I Nyoman Januarsa; Hijrul Fajri; Fadil Muhammad; Nur Akhmad Tri Aji; Sofar Jumantry; Muhammad I. S. K. Ramadhan; Guntoro Ahmad Algadri; Firman Roganda; Mochamad F. A. Rizal; Ary Setyo Wicaksono; Amalia Safrudin Bendang; Albertus N. P. Christianda
Depik Vol 6, No 1 (2017): April 2017
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.6.1.5840

Abstract

The aim of this research was to know the coral reef condition in Sempu’s strait. This research has beeb conducted at December 2017 used PIT method in four research stations i.e. Teluk Semut 1, Teluk Semut 2, Watu Meja and Fish Apartement. In generally the substrate of Sempu strait was devided into two categories, they were living and non-living substrate. Living substrate include HC, SC, NIA, SP and OT while non-living were RKC, RC, RB, SD and SI. Station 1 was dominated by hard coral (33.75%), station 2 and 3 was by rock (59.38% and 40.63%), and station 4 was dominated by sand (39.38%) respectively. Based on the monitoring, the coral reefs ecosystem of Sempu Strait was categorised in damaged condition. It could be seen by the high covering of dead coral and the low covering of healthy coral along observed stations. The coral reefs rehabilitation program is needed to recover the reefs ecosystem in Sempu Strait.                                                          Penelitian ini bertujuan untuk mengetahui kondisi terumbu karang di Selat Sempu dengan cara mengetahui susunan dari substrat dasar perairannya. Pelaksanaan penelitian ini dilakukan pada Desember 2016 dengan menggunakan metode PIT di empat stasiun penelitian yaitu Teluk Semut 1, Teluk Semut 2, Watu Meja dan Fish Apartement. Hasil dari penelitian ini menunjukkan bahwa substrat dasar perairan di Selat Sempu terbagai atas dua yaitu living (HC, SC, NIA, SP dan OT) dan non-living (RKC, RC, RB, SD dan SI). Stasiun 1 didominasi oleh hard coral (33,75%), stasiun 2 didominasi oleh rock (59,38%), stasiun 3 didominasi oleh rock (40,63%), dan stasiun 4 didominasi oleh sand (39,38%). Berdasarkan monitoring yang telah dilakukan, ekosistem terumbu karang di Selat Sempu telah mengalami kerusakan hal ini dapat dilihat dari tingginya tutupan karang mati dan rendahnya tutupan karang hidup yang ditemukan di sepanjang stasiun penelitian yang dilakukan. Program rehabilitasi terumbu karang sangat diperlukan untuk memulihkan kembali kondisi ekosistem karang di Selat Sempu.
Description scleractinian coral from Miang Island, East Kalimantan Rosdianto Rosdianto; Sayyid Afdhal El Rahimi; Adrian Kryk; Sulastri Arsad; Oktiyas Muzaky Luthfi; M Azurea Bahri Luthfi
Depik Vol 11, No 3 (2022): DECEMBER 2022
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.11.3.29277

Abstract

The exact number of coral species in Indonesia is not unclear yet, in 2002 the coral taxonomist, JEN Veron, stated 590 species, and it was supported by an Indonesian coral taxonomist, Suharsono, eight years later. The current coral species data is 605 but it is from Coral Triangle Region area (CT).  The eastern of Indonesia, which is located in the Coral Triangle Region, has received a lot of attention from coral researchers, due to coral species that have been described. On the other hand, the coral reef from the western part of Indonesia, including in the East Kalimantan, has not been explored much in recent times. Through the ecoregion view, E. Kalimantan region is clustered into ecoregion 43 (Sulu Sea) which has 540 coral species. Miang Island is one of the inhabited islands from E. Kalimantan, and has an unexplored coral reef ecosystem. The method had been used in this research is descriptive, which uses photos of live corals to describe colony characteristics corals. The results of the study have described 36 species of coral and several invertebrates that make up coral reefs on Miang Island.Keywords:Hard coralAcroporaPoritesIdentificationPulau Miang
Pemantauan kondisi substrat menggunakan metode reef check di Perairan Selat Sempu, Kabupaten Malang Oktiyas Muzaky Luthfi; I Nyoman Januarsa; Hijrul Fajri; Fadil Muhammad; Nur Akhmad Tri Aji; Sofar Jumantry; Muhammad I. S. K. Ramadhan; Guntoro Ahmad Algadri; Firman Roganda; Mochamad F. A. Rizal; Ary Setyo Wicaksono; Amalia Safrudin Bendang; Albertus N. P. Christianda
Depik Vol 6, No 1 (2017): April 2017
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.6.1.5840

Abstract

The aim of this research was to know the coral reef condition in Sempu’s strait. This research has beeb conducted at December 2017 used PIT method in four research stations i.e. Teluk Semut 1, Teluk Semut 2, Watu Meja and Fish Apartement. In generally the substrate of Sempu strait was devided into two categories, they were living and non-living substrate. Living substrate include HC, SC, NIA, SP and OT while non-living were RKC, RC, RB, SD and SI. Station 1 was dominated by hard coral (33.75%), station 2 and 3 was by rock (59.38% and 40.63%), and station 4 was dominated by sand (39.38%) respectively. Based on the monitoring, the coral reefs ecosystem of Sempu Strait was categorised in damaged condition. It could be seen by the high covering of dead coral and the low covering of healthy coral along observed stations. The coral reefs rehabilitation program is needed to recover the reefs ecosystem in Sempu Strait.                                                          Penelitian ini bertujuan untuk mengetahui kondisi terumbu karang di Selat Sempu dengan cara mengetahui susunan dari substrat dasar perairannya. Pelaksanaan penelitian ini dilakukan pada Desember 2016 dengan menggunakan metode PIT di empat stasiun penelitian yaitu Teluk Semut 1, Teluk Semut 2, Watu Meja dan Fish Apartement. Hasil dari penelitian ini menunjukkan bahwa substrat dasar perairan di Selat Sempu terbagai atas dua yaitu living (HC, SC, NIA, SP dan OT) dan non-living (RKC, RC, RB, SD dan SI). Stasiun 1 didominasi oleh hard coral (33,75%), stasiun 2 didominasi oleh rock (59,38%), stasiun 3 didominasi oleh rock (40,63%), dan stasiun 4 didominasi oleh sand (39,38%). Berdasarkan monitoring yang telah dilakukan, ekosistem terumbu karang di Selat Sempu telah mengalami kerusakan hal ini dapat dilihat dari tingginya tutupan karang mati dan rendahnya tutupan karang hidup yang ditemukan di sepanjang stasiun penelitian yang dilakukan. Program rehabilitasi terumbu karang sangat diperlukan untuk memulihkan kembali kondisi ekosistem karang di Selat Sempu.
Distribusi Dan Kondisi Pada Vegetasi Padang Lamun di Biak Padaido, Papua Amanda, Raditya Andrea Kristian; Luthfi, Oktiyas Muzaky
Journal of Tropical Marine Science Vol 7 No 1 (2024): Journal of Tropical Marine Science
Publisher : Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/jour.trop.mar.sci.v7i1.2113

Abstract

Padang lamun merupakan suatu ekosistem di kawasan pesisir yang memiliki tingkat keanekaragaman hayati yang cukup tinggi dan sebagai penyumbang nutrisi yang sangat berpotensial bagi perairan disekitarnya karena memiliki tingkat produktivitas yang tinggi. Pada penelitian ini kita akan mengetahui tentang tutupan Lamun yang berada di Padaido dan Biak, Papua. Hasil monitoring yang dilakukan pada tahun 2018 mengambil 8 titik pada perairan Biak. Stasiun 7 memiliki persentase tutupan lamun paling tinggi sebesar 80.86 % (kategori sangat padat) yang memiliki nilai persentase 76-100% (status padang lamun yang sehat). Hasil monitoring yang dilakukan pada tahun 2019 pada 8 titik perairan Pulau Padadido. Stasiun 3 memiliki persentase tutupan lamun paling tinggi sebesar 66.48 % (kategori sangat padat) yang memiliki nilai persentase 76-100% (status padang lamun sehat). Dari 16 spesies yang di temukan di wilayah Indonesia, terdapat 5 jenis spesies yang ditemukan di perairan Biak, Papua yaitu, Enhalus acoroides, Thalassia hemprichii, Cymodocea rotundata, Haludole pinifolia, Halophila ovalis, dan Syringodium iseotifolium. Sama seperti pada stasiun Biak, Stasiun Padaido sendiri di temukan 8 jenis spesies pada perairan Papua yaitu, Enhalus acoroides, Thalassia hemprichii, Cymodocea rotundata, Cymodocea. serrulata, Haludole pinifolia, Halodule uninervis, Halophila ovalis, dan Syringodium iseotifolium.
Kondisi Tutupan Turf Algae dan Kualitas Perairan di Selat Sempu, Malang: Condition of Turf Algae Coverage and Water Quality in the Sempu Strait, Malang Isdianto, Andik; Syarief, Salsabila Nazmie Putri; Gibran, Khalil; Putra, Muhammad Naufal Eka; Pattisahusiwa, Annisa Shafira P.; Ishaq, Syafrial Yanuar; Saputra, Tedy Eko; Nizery, Sefhanissa Puspa Retno; Asadi, Muhammad Arif; Setyanto, Arief; Putri, Berlania Mahardika; Fathah, Aulia Lanudia; Wardana, Novar Kurnia; Supriyadi, Supriyadi; Luthfi, Oktiyas Muzaky
JFMR (Journal of Fisheries and Marine Research) Vol. 8 No. 1 (2024): JFMR on March
Publisher : Faculty of Fisheries and Marine Science, Brawijaya University, Malang, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jfmr.2024.008.01.11

Abstract

Turf algae merupakan salah satu organisme yang menjadi indikator kesehatan ekosistem terumbu karang. Organisme ini bahkan dapat mendominansi suatu daerah dan menekan angka tutupan terumbu karang dalam kondisi perairan tertentu. Hal ini tentunya menjadi ancaman bagi kelestarian suatu ekosistem yang berdampak pada perekonomian masyarakat sekitar melalui jumlah hasil tangkapan ikan. Maka dari itu penelitian ini dilaksanakan guna melakukan monitoring pada luas tutupan turf algae di Perairan Selat Sempu pada bulan Agustus tahun 2023. Metode yang digunakan yaitu sepuluh Underwater Photo Transect (UPT) pada kelima stasiun dengan panjang transek sejauh 100 meter yang dibantu oleh transek kuadran berukuran 1 x 1 m. Penelitian ini menggunakan beberapa data parameter perairan yang memengaruhi luas tutupan turf algae seperti suhu, salinitas, kecerahan, DO, arus, sedimentasi, pH, nitrat, dan fosfat. Hasil yang diperoleh yaitu tutupan tertinggi terjadi pada stasiun Banyu Tawar sebesar 1.3042,05 cm2 dan tutupan terendah pada stasiun Waru-Waru sebesar 488,7 cm2. Data parameter perairan yang telah diukur memiliki nilai yang optimal dengan pH yang memiliki rentang 7,5–8,1 dissolved oxygen (DO) pada rentang 6,8–7 mg/L, salinitas 34,2-34,4‰,  nitrat 0,9-2,1 mg/L, dan fosfat 0,03-0,17 mg/L, di mana nilai parameter ini mendukung pertumbuhan turf algae.Turf algae is an organism that is an indicator of the health of coral reef ecosystems. This organism can even dominate an area and suppress coral reef cover in certain water conditions. This is of course a threat to the sustainability of an ecosystem which has an impact on the economy of the surrounding community through the amount of fish caught. Therefore, this research was carried out to monitor the extent of turf algae cover in the Sempu Strait waters in August 2023. The method used was ten Underwater Photo Transects (UPT) at five stations with a transect length of 100 meters assisted by quadrant transects measuring 1 x 1 m. This research uses several water parameter data that influence the extent of turf algae cover, such as temperature, salinity, brightness, DO, currents, sedimentation, pH, nitrate and phosphate. The results obtained were that the highest cover occurred at Banyu Tawar station at 1,3042.05 cm2 and the lowest cover at Waru-Waru station at 488.7 cm2. The water parameter data that has been measured has optimal values with pH having a range of 7.5–8.1 dissolved oxygen (DO) in the range 6.8–7 mg/L, salinity 34.2-34.4‰, nitrate 0.9-2.1 mg/L, and phosphate 0.03-0.17 mg/L, where these parameter values support the growth of turf algae.
RELATIONSHIP CORAL REEF COVER WITH REEF FISH ABUNDANCE IN THE WATERS OF MIANG ISLAND, SANGKULIRANG, KUTAI EAST, EAST KALIMANTAN Luthfi, Oktiyas Muzaky
Journal of Environmental Engineering and Sustainable Technology Vol 8, No 1 (2021)
Publisher : Directorate of Research and Community Service (DRPM)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jeest.2021.008.01.1

Abstract

Miang Island is located at coordinates 118° 0' 20" E - 0° 44' 0" N which is administratively in Sangkulirang District, East Kutai Regency, East Kalimantan. Coral reefs on Miang Besar Island have an area of ± 218.8 ha, with the best coral cover in the waters of Sangkulirang District and one of the best in East Kutai Regency. Reef fish have an active role in coral reef ecosystems because they can be indicators of the health of coral reef ecosystems and can be used to measure the level of suitability of their habitats. If the condition of the coral is damaged, the number of reef fish that inhabit it will decrease because the habitat does not meet the availability of food ingredients and the loss of breeding grounds. Coral reef data retrieval using the UPT method and reef fish using the UVC method. The percentage of coral cover on Miang Island is in the moderate to bad category where the average percentage of cover is 21% which is in poor condition (<25%). The total abundance of fish at station 1 was 0.45 ind./m3, station 2 was 0.10 ind./m3, station 3 was 0.06 ind./m3, and station 4 was 0.09 ind./m3. The genus Acropora is the dominant coral genus at all stations and the Pomacentridae family is the dominant family of reef fish at all stations. The relationship between the percentage of coral cover and the abundance of reef fish is very strong with an R2 value of 72.13%.
UNLOADING OF FISH ACTIVITIES AT SENDANG BIRU, COASTAL FISHERIES PORT (PPP) PONDOKDADAP, MALANG REGENCY Al Maky, Nuril Huda; Isdianto, Andik; Ariefandi, Muhammad Fikri; Kudrati, Amelinda Vivian; Tyas, Herlin Widi Aning; Yorarizka, Putri Devi; Pangestu, Wanda Suryani; Setyanto, Arief; Bintoro, Gatut; Putri, Berlania Mahardika; Fathah, Aulia Lanudia; Andrimida, Anthon; Luthfi, Oktiyas Muzaky
Journal of Environmental Engineering and Sustainable Technology Vol 10, No 01 (2023)
Publisher : Directorate of Research and Community Service (DRPM)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jeest.2023.010.01.2

Abstract

The fishing port, which acts as a public agency, provides services and facilitates fishing activities for fishermen. One indicator that the service provided is already optimal is the minimum number of vessels in the process of dismantling fish in the port. The study aims to find out the fishing landing system and the number of ships that landed during the period September–August 2022. The method used is directly through field observations and collecting secondary data to supplement the data obtained. The system applied to each port is different. The port of Pondokdadap applies the queue method as well as the system of nahkoda, where the ship's documents must be submitted and the fisherman's number taken before landing. Boats that want to sell fish to the TPI must be equipped with a catch letter. In the period September–August 2022, the highest number of ships was found in June 2022, with 603. For the smallest number in January 2022, there were 22 ships. Based on the results obtained, it is known that the period of April–September has the highest number, while there is a decrease in the number in October–March. There was an increase in the number of vessels that carried out fishing, which was affected by the fishing season, with the high season in the Eastern season.
Identification coral reef diatom using scanning electron microscope at Nature Reserve Pulau Sempu (NRPS), East Java El Rahimi, Sayyid Afdhal; Kryk, Adryan; Arsad, Sulastri; Luthfi, Oktiyas Muzaky; Isdianto, Andik; Luthfi, M. Azurea Bahri
Depik Jurnal Ilmu Ilmu Perairan, Pesisir, dan Perikanan Vol 13, No 1 (2024): APRIL 2024
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.13.1.29516

Abstract

Diatom, Bacillariophyceae, has an important role in environmental support because these algae contribute to 25% of the oxygen supply globally and each year represent 40% of primary production by fixed carbon using photosynthesis. Diatom samples were obtained from 3 different sites in around NRPS. Cleaning diatoms analyzed using SEM for describe ultrastructure in diatom valves. Three dominant diatoms Cocconeidaceae and Bacillariaceae from the south Java Sea (Indian Ocean). Basic information regarding the diversity of diatoms, and the success of photoautotrophic micro-algae that can be found both in marine and freshwater habitats, is very important to describe the role of each taxon from an ecology perspective in the future. Samples are taken from the substrate of 3 stations in Nature Reserve Pulau Sempu and prepared in the laboratory for scanning electron microscopy photographs. Clear and detailed features diatom frustule of SEM photograph reveal a schild diatom (Cocconeis) and panduriform diatom (Psammodictyon) are dominating taxa in NRSP areas.Keywords:Hard coralCocconeisPsammodictyonPulau SempuDiatom
Identification coral reef diatom using scanning electron microscope at Nature Reserve Pulau Sempu (NRPS), East Java El Rahimi, Sayyid Afdhal; Kryk, Adryan; Arsad, Sulastri; Luthfi, Oktiyas Muzaky; Isdianto, Andik; Luthfi, M. Azurea Bahri
Depik Jurnal Ilmu Ilmu Perairan, Pesisir, dan Perikanan Vol 13, No 1 (2024): APRIL 2024
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.13.1.29516

Abstract

Diatom, Bacillariophyceae, has an important role in environmental support because these algae contribute to 25% of the oxygen supply globally and each year represent 40% of primary production by fixed carbon using photosynthesis. Diatom samples were obtained from 3 different sites in around NRPS. Cleaning diatoms analyzed using SEM for describe ultrastructure in diatom valves. Three dominant diatoms Cocconeidaceae and Bacillariaceae from the south Java Sea (Indian Ocean). Basic information regarding the diversity of diatoms, and the success of photoautotrophic micro-algae that can be found both in marine and freshwater habitats, is very important to describe the role of each taxon from an ecology perspective in the future. Samples are taken from the substrate of 3 stations in Nature Reserve Pulau Sempu and prepared in the laboratory for scanning electron microscopy photographs. Clear and detailed features diatom frustule of SEM photograph reveal a schild diatom (Cocconeis) and panduriform diatom (Psammodictyon) are dominating taxa in NRSP areas.Keywords:Hard coralCocconeisPsammodictyonPulau SempuDiatom
Co-Authors A Alfan Jauhari Abdul Razak Abdur Rosyid Abu Bakar Sambah, Abu Bakar Ade Yamindago Adrian Kryk Affandy, Didied Agus Wahyu Widodo Akbar, Mochamad Rizaldi Al Maky, Nuril Huda Albertus N. P. Christianda Ali Arman Lubis Ali Arman Lubis Alim, Dimas Syarif Alim, Dimas Syarif Aliviyanti, Dian Amalia Safrudin Bendang Amanda, Raditya Andrea Kristian Andik Isdianto Anthon Andrimida, Anthon Anthon Efani Arief Darmawan Arief Setyanto Ariefandi, Muhammad Fikri Arifin, Mochammad Samsul Arsad, Sulastri Ary Setyo Wicaksono As’adi, M. Arif A’yun, Qurrota Bambang Semedi Bramastrha Artha Putra Christopher Ari Setiawan Citra Satrya Dewi, Citra Satrya Cut Fitri Malinda Daduk Setyohadi Davitra Eka Permana Dewi, Citra Satrya Utama Dimas Bagus Dwi Putranto Dimas Syarif Alim El Rahimi, Sayyid Afdhal Elda Pebrizayanti Fadil Muhammad Fan Puji Ananda Musalima Faradhillah Adibah Fathah, Aulia Lanudia Fika Dewi Pratiwi Firly Yulianto Firman Roganda Firmina Bethrix Dasi Gatut Bintoro Gibran, Khalil Guntoro Ahmad Algadri Guntur Guntur Hijrul Fajri I Gusti Ngurah Artha Wibawa I Nyoman Januarsa I Nyoman Januarsa Ikha Safitri Ishaq, Syafrial Yanuar Johan Saputro Khurniawan, Dhira Krista Sibuea Kryk, Adryan Kudrati, Amelinda Vivian Luthfi, M. Azurea Bahri M Azurea Bahri Luthfi M. Barmawi M. Barmawi Mayang Setianingsih Mochamad F. A. Rizal Mochamad Rizaldi Akbar Mohammad Arif Asadi Mohammad Mahmudi Muchamad Fairuz Haykal Muh. Ihsan As Sauri Muhammad Arif Asadi, Muhammad Arif Muhammad I. S. K. Ramadhan Muhammad Zuhal Fikri Muliawati Handayani Nizery, Sefhanissa Puspa Retno Nur Akhmad Tri Aji Pangestu, Wanda Suryani Pattisahusiwa, Annisa Shafira P. Putra, Muhammad Naufal Eka Putranto, Dimas Bagus Dwi Putranto, Dimas Bagus Dwi Putri, Berlania Mahardika Ramadhani, Anindyta Fitria Respati Dwi Sasmitha Rijatmoko, Sigit Rijatmoko, Sigit Riza Alifia Rosdianto Rosdianto Sanydo Pandapotan Caesar Pangaribuan Saputra, Dhira Kurniawan Saputra, Tedy Eko Sasmitha, Respati Dwi Sasmitha, Respati Dwi Sayyid Afdhal El Rahimi Sherla Rizqia Putri Sigit Rijatmoko Sihombing, Rut Suharni P Sofar Jumantry Sulastri Arsad Sulastri Arsad Supriyadi Supriyadi Syarief, Salsabila Nazmie Putri Tri Aryono Hadi Tyas, Herlin Widi Aning Valessa Senshi Moira Wahib, Nur Kholis Yanuar, Adi Tiya Yorarizka, Putri Devi Yulianto, Firly Yulianto, Firly