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All Journal Biota: Jurnal Ilmiah Ilmu-Ilmu Hayati Indonesian Journal of Mollusk
Felicia Zahida
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Environmental Science

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Kajian Struktur Anatomi dan Morfologi Perkembangan Cypraea moneta L. dari Pantai Krakal Yogyakarta Teja Komaraningrum; Felicia Zahida; S. M. Issoegianti R.
Biota : Jurnal Ilmiah Ilmu-Ilmu Hayati Vol 18, No 1 (2013): February 2013
Publisher : Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24002/biota.v18i1.264

Abstract

Tujuan penelitian mengenai struktur morfologi dan anatomi perkembangan Cypraea moneta adalah mempelajari perkembangan morfologi dan anatomi C. moneta jantan dan betina. Spesimen diukur panjang cangkang dan berat, kemudian dikelompokkan menurut panjang cangkang. Cangkang spesimen dicerna dengan menggunakan HCl 5%, kemudian dibedah dengan menggunakan micro dissection kit di bawah mikroskop stereo yang telah terhubung dengan monitor PC dan kamera digital. Organ yang diamati meliputi mantel dan papila, tentakel, mata, kakiperut, dan organ reproduksi. Hasilnya memperlihatkan bahwa tidak ada perbedaan antara warna mantel, tipe papila, kakiperut, mata, tentakel jantan dan tentakel betina. Perkembangan morfologi ditandai dengan pertambahan ukuran cangkang, berat, jumlah geligi pada cangkang, dan bentuk cangkang. Jantan berkembang testis dan kelenjar testis, betina dengan ovarium dan lubang genital. Warna testis dan ovarium berubah sesuai dengan perkembangan kematangannya. Kata kunci: Cypraea moneta, Pantai Krakal, perkembangan morfologi dan anatomi
Kelimpahan dan Pola Penyebaran Bulu Babi (Echinoidea) di Terumbu Karang Pantai Pasir Putih, Situbondo, Indonesia Andi Somma; Felicia Zahida; Pramana Yuda
Biota : Jurnal Ilmiah Ilmu-Ilmu Hayati Vol 2, No 3 (2017): October 2017
Publisher : Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24002/biota.v2i3.1887

Abstract

Penelitian tentang kelimpahan ikan, moluska dan bentos pada daerah terumbu karang sudah banyak dilakukan, penelitian tentang kelimpahan dan pola penyebaran bulu babi di Pantai Pasir Putih, Situbondo sebagai daerah wisata belum dilakukan. Ramainya wisatawan yang datang mampu mengganggu daya dukung lingkungan terhadap organisme laut seperti bulu babi. Penelitian ini bertujuan untuk mengetahui jenis, kelimpahan dan pola penyebaran bulu babi di ekosistem terumbu karang perairan Pantai Pasir Putih, Situbondo. Penelitian ini dilakukan pada tiga stasiun yang mewakili daerah Pantai Pasir Putih, Situbondo yaitu: Watu Lawang sebagai stasiun 1, Karang Mayit – Teluk Pelita sebagai stasiun 2 dan Watu Pon – Pon sebagai stasiun 3. Pengambilan data menggunakan metode transek kuadrat. Setiap stasiun memiliki lima transek dengan panjang dan jarak antar transek 100 m. Bidang observasi sepanjang transek menggunakan petak ukur dengan luas 1 m2. Selanjutnya kelimpahan dan pola penyebaran bulu babi dihitung. Bulu babi yang diperoleh dari penelitian ini adalah Diadema setosum, Echinothrix calamaris duri putih dan Echinothrix calamaris duri coklat belang. Bulu babi D. setosum merupakan spesies yang dominan di ketiga stasiun dengan kelimpahan relatif, berturut turut adalah 60,976%, 69,136% dan 45,333%. Pola penyebaran bulu babi D. setosum seragam, sedangkan E. calamaris duri putih dan E. calamaris duri coklat belang mengelompok.
Penggunaan Operkulum dalam Penentuan Umur pada Rhinoclavis sinensis Gmelin 1791 (Gastropoda: Cerithiidae) Felicia Zahida; Jusup Subagja
Biota : Jurnal Ilmiah Ilmu-Ilmu Hayati Vol 15, No 3 (2010): October 2010
Publisher : Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24002/biota.v15i3.2601

Abstract

Age determination of the sample specimen is very important for population dynamic research of R. sinensis (Gastropoda : Cerithiidae). Operculum is a “hard” part stick on the dorsal portion of the foot of gastropods. Operculum appeared on the day of the snails are born and have their own specific shape, size, and materials composition. The aim of this research was to describe the use of operculum in age determination of R. sinensis. The method used in this research was: the operculums were soaked into saturated sodium hydroxide, washed and mounted them in Canada balsam, and observed using binocular microscope. Regression analysis was used to find the relationship between length of operculum to length of shell, and number of adventicious layers of operculum to length of shell. The research resulted that the length of operculum was comparable with the shell length, with the regression line of Y=0.113X +1.898 (R2=0.857). The growth of adventitious’ layers of the operculum coincided with the growth of the shell that in the second year, the growth of adventitious layers was two layers a year. At the age of three and four, the growth was one layer a year. During the fifth, sixth and seventh years, the growth was only a layer within three years. The regression line was Y=0.168X (R2=0.872).
Kajian Awal Pemanenan Siput Laut (Gastropoda) di Pantai Krakal, Yogyakarta: II. Aktivitas Pemanen Felicia Zahida; Mastok B. Sinulingga; Wibowo N. Jati
Biota : Jurnal Ilmiah Ilmu-Ilmu Hayati Vol 10, No 1 (2005): February 2005
Publisher : Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24002/biota.v10i1.2795

Abstract

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 harvester’s knowledge about simple conservation and activities such as the way of harvesting, the intensity of harvesting and the income generating from harvesting gastropods.
Penambahan Tepung Cangkang Udang dalam Pakan Buatan Sebagai Penguat Warna Ikan Koi (Cyprinus carpio L.) Arry Yusnita Saloh; Yuniarti Aida; Felicia Zahida
Biota : Jurnal Ilmiah Ilmu-Ilmu Hayati Vol 10, No 1 (2005): February 2005
Publisher : Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24002/biota.v10i1.2802

Abstract

Shrimp’s skin and carapace has been used as color enhancement. The shrimp’s skinand carapace was pounded into flour and added to the commercial pellet availablelocally. The shrimp’s flours contains red pigmen astaxanthine. The Koi’s used in thisexperiment were two months old Cyprinus carpio L var kohaku. Five level of differentconcentration of shrimp’s flour were used i.e. 5.7%, 8.5%, 11.4%, 14.2%, and 17.1%respectively. Each aquarium contains three fishes were used in threeplicate and rearedfor 8 weeks. Five main color or hue was observed i.e. Redish Orange, Pastel Orange,Orange Red or Yellowish Red, Red and High Red or Vivid Red. 15 panelis have beenused to give their comments to the color enhancement. The results shows that the valueof the fish’s color didn’t change much, but the chrome intensity increase on week eight.Statistical analysis of Kruskall-Wallis and Mann-Whitney Test shows that on theconcentration of shrimp flour of 11,4% was giving the best value for hue and chrome.On the consentration of 14,2% and 17,1% the results were not strong enough. This isprobably because the concentration of the flour reaches maximum at 11,4% and givingmaksimum color enhancement level so that more additioing didn’t gave any change.
Keragaman Jenis Opisthobranchia di Taman Laut 17 Pulau Riung, Nusa Tenggara Timur Maria M. Ngole; Pantang K Oliva; Felicia Zahida; Boy R. Sidharta
Biota : Jurnal Ilmiah Ilmu-Ilmu Hayati Vol 10, No 1 (2005): February 2005
Publisher : Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24002/biota.v10i1.2807

Abstract

Penelitian inventarisasi jenis Opisthobranchia telah dilakukan untuk menunjang ekowisata di daerah Taman Laut 17 Pulau Riung. Taman laut ini terletak di kecamatan Riung, Kabupaten Ngada, Flores, Nusa Tenggara Timur. Kawasan ini di sebelah barat dibatasi oleh kabupaten Manggarai dan disebelah timur oleh desa Nggolonio, di utara dibatasi dengan laut Flores dan di selatan oleh Desa Wangka, Alo Mamek, dan Ten Terong. Areanya meliputi lima buah desa yaitu desa Lengkosambi, Tadho, Benteng Tengah, Nangamese dan Sambinasi. Secara geografis terletak antara 8o20’30” – 8o28’30” LS hingga 90o55’30” – 90o09’00” BT. Luas daratan sekitar 5 ha dan terumbu karang seluas 7.500 ha (Anonim a dan b. 1993). Opisthobranchia amat disukai oleh penyelam dan penggemar fotografi bawah laut dari mancanegara, namun masih amat sedikit penelitiannya di Indonesia
Cladistic Analysis of Genus Amphidromus (Gastropods: Camaenidae) from Java, Indonesia: A Preliminary Study Felicia Zahida
Biota : Jurnal Ilmiah Ilmu-Ilmu Hayati Vol 8, No 1 (2003): February 2003
Publisher : Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24002/biota.v8i1.2826

Abstract

Karakter morfologi 8 spesies yang merupakan koleksi dari Museum Zoologi Bogor (satu spesies merupakan record koleksi baru berasal dari Taman Nasional Gunung Harimun) genus Amphidromus telah dianalisa Cladistik. Koleksi Museum ini Amphidromus banksi, A. furcillatus, A. filozonatus, A. heerianus, A. inversus, A. javanicus, dan A. palaceus dimana koleksi terbarunya adalah A. alticola.
Kajian Awal Pemanenan Siput Laut (Gastropoda) di Pantai Krakal, Yogyakarta III: Aktivitas Wisatawan Santi Ari Andi; Felicia Zahida; B. Boy Sidharta
Biota : Jurnal Ilmiah Ilmu-Ilmu Hayati Vol 10, No 2 (2005): June 2005
Publisher : Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24002/biota.v10i2.2847

Abstract

This study wanted to elucidate the role of tourists activities to the beach such as Krakal Beach, Yogyakarta. The method used in this research was direct interview to the visitors using accidental sampling with the help of prepared questionnaire. This study showed that 86% visitors were in their school age. Person in this age like such a challenge like what they met during beach visit. Those make the visitation frequency quite high by repeating their visit (53,5%). Shells and shells handicrafts has been proven to be the reason why visitors come back to visit the beach (79%). Apparently, visitors agree that the snails’ forms and colors are attactive (70,9%), beautiful and unique (75,6%), but only 14% said that it shouldn’t be disturb by human activities. Their attractiveness to the snails did not make them to collect intentionally, enough for them to see and let them go (66,2%). They did not agree that visitors collected them (51,2%), but they agree harvesters make a souvenirs and get an income from this activity (67,4%). In short, they were much environment friendly (57%) rather than economic friendly (43%).  
Abundance of Giant Clam in Coral Reef Ecosystem at Pari Island: a Population Comparison of 2003's to 1984's Data Alfiani Eliata; Felicia Zahida; Wibowo Nugroho Jati; Lily M. Panggabean
Biota : Jurnal Ilmiah Ilmu-Ilmu Hayati Vol 8, No 3 (2003): October 2003
Publisher : Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24002/biota.v8i3.2859

Abstract

A survey on abundance of Giant Clam in coral reef ecosystem at PariIslandhas not been done long after the first survey on 1984. The survey itself is very important because Indonesian government has been release SK Menteri Kehutanan No. 12/Kpts-II/1987 and PP No. 7. th.1999 that states the giant clam is protected species. Indonesia has seven species of giant clam out of nine species presence in the world, i.e. Tridacna gigas, T.crocea, T. maxima, T. derasa, T. squamosa, Hippopus hippopus, and H. porcellanus (Rohmimohtarto dkk, 1987, Knop, 1996)
Produktivitas Primer Rawa Jombor, Klaten, Jawa Tengah Belinda Dian Anggraeni; Wibowo Nugroho Jati; Felicia Zahida
Biota : Jurnal Ilmiah Ilmu-Ilmu Hayati Vol 8, No 2 (2003): June 2003
Publisher : Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24002/biota.v8i2.2886

Abstract

Primary productivity of Jombor Swamp, Klaten has been assessed in order  to understand its water quality. The method used was using light-dark bottles incubated for 4 hours. Samples were taken between 6-10, 10-14 and 14-18 hour, under the depth  0.2, 1.5, and 3 m. The results showed  that productivity in April – 2.4 to 2.17 ppm, May –0.6 to 2 ppm, and June –2.1 to 3.4 ppm. The regression correlation of the productivity to phytoplankton`s density is y = -0.03 + 0.01 x and r = 0.76, productivity to light intensity is y = -5.04 + 0.01 x and r = 0.63, productivity to water depth is y = 0.56 + 0.12x and r = 0.31,  productivity to turbidity is y = 1,78 + 0.33x and r = 0.35, productivity to water temperature is y = 1.91 – 0.08x and r = 0.32, productivity to pH is y = 1.39 – 0.71x and r = 0.20,  and productivity to CO2 content is y = 1.77 – 0.11 and r = 0.29. Based on the overall findings, the water quality condition was classified as eutrophic.
Co-Authors Alfiani Eliata Andi Somma Arry Yusnita Saloh B. Boy Sidharta Belinda Dian Anggraeni Boy R. Sidharta Ign. Pramana Yuda Jusup Subagja Lily M. Panggabean Marchel Marchel Maria M. Ngole Mastok B. Sinulingga Pantang K Oliva Pramana Yuda S. M. Issoegianti R. Santi Ari Andi Teja Komaraningrum Wibowo N. Jati Wibowo Nugroho Jati Yuniarti Aida