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All Journal Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Pendas : Jurnah Ilmiah Pendidikan Dasar
Junita Hutagalung
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Earth & Planetary Sciences Other

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Pengaruh Suhu dan Oksigen Terhadap Penetasan Telur dan Kelulushidupan Awal Larva Ikan Pawas (Osteochilus hasselti C.V.) Junita Hutagalung; Hamdan Alawi; Sukendi '
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 4, No 1 (2017): Wisuda Februari Tahun 2017
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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Abstract

This research was conducted on 24-30 May 2016 in the Laboratory Fish Hatchery and Breeding Faculty of Fisheries and Marine Science University of Riau. The purpose of this study are to determine the influence of temperature (room temperature and 30°C) and dose of aquamate (0 mg/L and 20 mg/L) on fertilization, hatching and larvae survival of Pawas (Osteochilus hasselti C.V.). The method used in this study is an experimental method by using a completely randomized design with 2x2x3 factorial design. The first factor is the temperature (room temperature and 30°C), while the second factor is the dose of aquamate (0 mg/L and 20 mg/L) with three replications. Fish kept in the twelve unit of 30x30x30cm aquarium with the volume of water were 15 L each.The result showed that the treatment of the giving different temperature and oxygen to hatching the eggs and 5 days fish larvae initial survival of Pawas (Osteochilus hasselti C.V.) that is best for Fertilization Rate (FR) of Pawas eggs is room temperature with the addition 20 mg/L aquamate which produce figure conception amounted to 43.78%, figure Hatching Rate (HR) amounted to 63.24%, the rate of Survival Rate (SR) amounted to 96%. Data from water quality measurements during the study that is the temperature used is room temperature and 30°C, pH range 6-8. The levels of dissolved oxygen on dose of aquamate 0 mg/L namely 3.0 mg/L while on dose of aquamate 20 mg/L namely 7.0 mg/L. Dissolved oxygen was increased on dose of aquamate 20 mg/L as much as 4 mg/L after one day the addition of aquamate into aquarium.Keywords: temperature, oxygen, fertilization rate, hatching rate, survival rate, Osteochilus hasselti C.V.
IMPLEMENTASI KEBIJAKAN SERTIFIKASI GURU DALAM RANGKA MENINGKATKAN KINERJA GURU UPTD SD NEGERI 122345 Simanjuntak, Melvin; Daniel Syaputra Silaen; Junita Hutagalung; Mona Laras Bungaria. S; Herlina Harefa; Sonia Girsang; Adelove Damanik
Pendas : Jurnal Ilmiah Pendidikan Dasar Vol. 10 No. 01 (2025): Volume 10 Nomor 1, Maret 2025
Publisher : Program Studi Pendidikan Guru Sekolah Dasar FKIP Universitas Pasundan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23969/jp.v10i01.23783

Abstract

This study aims to analyze 1) How is the implementation of the performance of certified teachers in the learning process at UPTD SD Negeri 122345?; 2) What are the factors that hinder the low performance of certified teachers in UPTD SD Negeri 122345? 3) What efforts have been made by school principals to overcome obstacles in the performance of certified teachers? This study uses a qualitative method at UPTD SD Negeri 122345. The results of the research are 1) The performance of certified teachers is good, both in terms of discipline, namely coming on time, leaving at the specified time, it's just that some older teachers do not understand how to use technology. 2) Factors that hinder the low performance of certified teachers, namely: Low ability (knowledge) and skills in terms of understanding technology, Lack of motivation from, Lack of control or supervision by the principal over various teacher activities in the school, lack of training in making learning tools and not mastering information technology. 3) The efforts made by the principal to the expected performance of certified teachers are to firmly reprimand and sanction certified teachers who are lazy to teach, hold training on making learning tools and must master information technology and conduct continuous evaluation.
Co-Authors Adelove Damanik Daniel Syaputra Silaen Hamdan Alawi Herlina Harefa Mona Laras Bungaria. S Simanjuntak, Melvin Sonia Girsang Sukendi Sukendi