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Yustina '

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Author-ID : 3010853

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Immunology & microbiology Other

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EFEKTIVITAS TEPUNG TERIPANG PASIR (Holothuria scabra) TERHADAP MASKULINISASI IKAN CUPANG (Betta splendens) Yustina '; Arnentis '; Dian Ariani
Biogenesis Vol 9, No 1 (2012)
Publisher : Program Studi Pendidikan Biologi

The research was to knowing effectivenes of sand Sea-cucumber (Holothuria scabra) flour to maskulinization fish of cupang (Betta splendens) are held in Desember 2011 until February 2012. The research method used experiment method with design of experiment are complete random device (RAL). The research consits of three treatment are treatmen of B (dose of sea-cucumber 10 mg/l), treatment of C (dose of sea-cucumber 20 mg/l), treatment of D (dose of sea-cucumber 30 mg/l), while control consist of treatment of A (dose of sea-cucumber 0 mg/l) and treatment of E (17α-metiltestosteron dose 10 mg/l) with 3 times restating. Treatment of sand sea-cucumber flour are given for larva fish of cupang wich old age 4 day with soaking during 6 hour. Observed parameter are the male sex ratio, pass of life and environmental factor are the temperature, pH, Oxygen content dissolved and carbondioxyde content dissolved, while data are analyzed with ANAVA resulth and further rested by LSD at 5% level of confidence. The results of experiment showed that teh highest percentage of male fish at treatment of D (dose 30 mg/l) are 66,66% and the lowets of treatment of A (dose 0 mg/l) are 39,77%. From these results it can be concluded that the sand sea-cucumber flour hae given to test larva effectiv to maskulinization fish of cupang female become male.Keyword: Betta splendens, Sand sea-cucunber flour, 17α-metiltestosteron and maskulinization

PENERAPAN STRATEGI PEMBELAJARAN QUESTION STUDENT HAVE (QSH) UNTUK MENINGKATKAN MOTIVASI DAN HASIL BELAJAR BIOLOGI SISWA KELAS VIII3 SMP NEGERI I RIMBA MELINTANG TAHUN PELAJARAN 2011/2012 Yustini Yusuf; Yustina '; Enik Suryati
Biogenesis Vol 8, No 2 (2012)
Publisher : Program Studi Pendidikan Biologi

Direction of this research to increase motivation and biology of student class VIII3 SMPN 1 Rimba Melintang by study method of QSH. This research is class attacted was carried out on November until Desember 2011. The subject of this research are students class VIII3 SMP N 1 Rimba Melintang with total students is 37 persons, which compound at 14 male and 23 female. Parameter this research is study of motivation, evaluation students and teacher activity. The mean of motivation before class attacted by cycle I were 3,11 (medium category), and after class attacted by cycle increase to 3,65 (medium category) with 17,36% of persentase, then in the cycle II, motivation score increase to 3,95% (high category), with 27,01% of persentase. Reserve capacity students increased in cycle I with mean 70,54 (sufficient category), and cycle II with mean 77,70 (good category). The study completable of student increase to 83,78% in sycle I and 94,59% in cycle II. Student activity were increase from 73,98 (sufficient category) in cycle I to 84,46 (good category) in sycle II. And the teacher activity were crease from 95% (good) in sycle I to 100% (the best) in sycle II. The conclution of this research are using method QSH in process study can increase motivation and evaluation study of biology student class VIII3 SMP N 1 Rimba Melintang years lesson 2011/2012Keywords : Evaluation, Method QSH, Study motivation

KEANEKARAGAMAN JENIS KUPU-KUPU (Subordo Rhopalocera) DI KAWASAN WISATA HAPANASAN ROKAN HULU SEBAGAI SUMBER BELAJAR PADA KONSEP KEANEKARAGAMAN HAYATI Elya Febrita; Yustina '; Dahmania '
Biogenesis Vol 10, No 2 (2014)
Publisher : Program Studi Pendidikan Biologi

This study aims to determine species diversity of butterfly (Subordo Rhopalocera) in the tourisms area Hapanasan and designing learning sources are the relevant to biodiversity concept based on these results. Observation were conducted from April to June 2013. Determination of the research station by purposive random sampling, that determined based on differences characteristics of habitat. Station I is a secondary forest area, station II is a tourisms park area, station III is a rubber plantations area and station IV is an oil palm plantations. Biological parameters measured are species composition of butterfly (Subordo Rhopalocera) and species diversity index of butterfly (Subordo Rhopalocera). The measured physical parameters include are temperature, humidity and wind speed. Based on the results of the study, founded 194 individual of butterflies. They are consist of 60 species belong to 5 families include Hesperiidae (2 species), Papilionidae (10 species), Pieridae (9 species), Nymphalidae (36 species) and Lycaenidae (3 species). The highest number of species were founded at station II, station IV, station III and the lowest founded at station I. The highest species diversity index were founded at station II (H '=3.23), and the lowest at station I (H '=2.10). The collection and photo of speciments can be used as a source of biology learning in senior high school class X on the biodiversity concept. Learning sources that made media insectarium, syllabus, lesson plans and worksheets.Keyword: Butterfly, Diversity, Hapanasan, Learning sources

ANALISIS DISTRIBUSI SARANG PENYU HIJAU Chelonia mydas DI PULAU JEMUR RIAU Yustina '; Suwondo '; Arnentis '; Yuspen Hendri
Biogenesis Vol 1, No 01 (2004)
Publisher : Program Studi Pendidikan Biologi

A surveys of three station along the nesting beach for distribution nesting analysis with beach characteristics and microclimatic nesting green turtles Chelonia mydas in Pulau Jemur-Riau was conducted in April- July 2002. The spatial distribution along the nesting beach namely the nesting abundant at highest the beach slope are 24°-31°, the grain sizes are medium sand (MZ = 2,18) and coarse sand (MZ =1,34). Temporary distribution in the nesting begins in April, extends through May and June, and decreases during July. The coral stones are limiting factor for landing beach success. The characteristic of nesting (beach slope) indicate microclimatic effect on nesting and impacted for distribution was reducing abundant of nesting. Canopy vegetation at highest beach slope are 30° had microclimatic effect on nesting. Key words : Distribution, microclimatic, nesting, green turtles, Pulau Jemur

PROFESIONAL KETERAMPILAN SAINS ABAD KE-21 PADA PEREMPUAN PENDIDIK DI KABUPATEN SIAK Yustina '
Biogenesis Vol 10, No 2 (2014)
Publisher : Program Studi Pendidikan Biologi

Has conducted research to determine the professional skills of the 21st century science in the district Tualang, Siak Sri Indrapura district in August-September 2013. Determined in consideration of the study sample, the science teacher who taught in class VII Academic Year 2012-2013 as many as 35 teachers from 13 junior high. The research instrument was a questionnaire using a scale covered by the linker. The data analyzed in the frequency, tabulated and analyzed descriptively. The results showed that Min digital age literacy scores of 4.31 (very good). The highest value of 4.63 (very good) that science gathers knowledge from a variety of sources and the lowest value of 3.83 (good) to collect the necessary information science. Literacy effective communication 4.30 (very good), the highest score of 4.66 cooperating (very good) and the lowest value of each act as a leader and member with the value of 3.89 (good) and 3.80 (both) that emotion if not respected. Constraints of women educators in implementing science skills namely: 1) searching for information science skills, 2) skills to act as leaders and members, and 3) the skills to control emotions if not respected.Keyword: science skills, digital age literacy, effective communication, female science teacher educators.

STRUKTUR POPULASI KUMBANG TANDUK (Orycetes rhinoceros) DI AREA PERKEBUNAN KELAPA SAWIT MASYARAKAT DESA KENANTAN KABUPATEN KAMPAR-RIAU Yustina '; Yuslim Fauziah; Rika Sofia
Biogenesis Vol 8, No 2 (2012)
Publisher : Program Studi Pendidikan Biologi

The study has been conducted to determine the structure of horn beetle populations (Orycetes rhinoceros) In Palm Oil Plantation Village Community Kenantan - Riau Kampar regency, held in June-September 2011. Determination of purposive sampling stations were done by considering the age of oil palm trees found in the study site. Samples taken Orycetes rhinoceros with three ways, namely, using mist nets, ferotrap, and direct sampling. Parameters measured include: biological parameters of abundance, age structure, and biomass. While the physical-chemical parameters of temperature, humidity, and wind speed. The results showed that the population abundance at the station I found the pupa 43 tail, tail imago1 73, and 60 head while imago2 abundance at station II, the pupa 30 tails, 61 imago1 imago2 tails and 40 tails, the highest abundance occurred in August and abundance lowest occurred in June, the age structure is most commonly found in the age structure of the imago1 stadia breeding period and the highest biomass of biomass on imago1 stadia.Keywords: Coleoptera, Orycetes rhinoceros.

PENERAPAN TEKNIK MIND MAPPING DALAM STRATEGI QUANTUM LEARNING UNTUK MENINGKATKAN MOTIVASI DAN HASIL BELAJAR BIOLOGI SISWA KELAS XI IPA2 SMA NURUL FALAH PEKANBARU TA. 2009/2010 Yustina '; Rosmaini S; Yessi Wulandari
Biogenesis Vol 7, No 02 (2011)
Publisher : Program Studi Pendidikan Biologi

Classroom Action Research has been carried out (PTK), which aims to enhance motivation and learning outcomes Biological science using Mind Mapping Strategies in Quantum Learning in class XI Science 2 Nurul Falah Pekanbaru SMA FY 2009/2010. The study was conducted on May 21, 2010 until the date of June 7, 2010. number of students in research as many as 40 people (12 male students and 28 female students). The parameters of this study is the motivation and learning outcomes. The results showed that the average score of the students' motivation before learning to use Mind Mapping Strategies in Quantum Learning is 2.12 (Medium), and the average score of motivation after learning to use Mind Mapping Strategies in Quantum Learning is 3.01 (High) , with a percentage (%) increased motivation for 42.01%. The average absorption cycle 1 students 77.8% (good), while in cycle 2 the average student absorption of 84.4% (very good). Mastery learning of individual students in cycle 1 (daily tests I) that is 90% (complete), at cycle 2 mastery learning students increased to 100% (complete). The final conclusion of Learning Implementation Using Mind Mapping Strategies in Quantum Learning to Enhance Motivation and Learning Outcomes High School Students Science Biology Pekanbaru Nurul Falah School Year 2009/2010.

Co-Authors Arnentis ' Dahmania ' Danilsyah ' Darmadi ' Darmadi Ahmad Darmadi Ahmad Ahmad Darmawati ' Darno ' Dian Ariani Elya Febrita Elya Febrita Elya Febrita Enik Suryati Evi Suryawati Evi Suryawati Suryawati Fitri Andriani Gustinawati ' Irchamnil Lutfi Jasmi Astuti Jasmi Astuti Julia Riska Khairunisa ' Mariani Natalina Natalina Nursal ' Rabia Hidayanti Arnan Rika Sofia Risa Febri Indriani Febri Indriani Riszky Herfinaly Herfinaly Rosmaini S Sri Kartikowati Sri Wahyuni Wahyuni Sudariyanti ' Suwondo ' Toni ' Yessi Wulandari Yuslim Fauziah Yuspen Hendri Yustini Yusuf

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