Article Per Year (5 Year)
p-Index From 2020 - 2025
0.444
P-Index
This Author published in this journals
All Journal Berkala Ilmiah Pendidikan Biologi (BioEdu) Jurnal MAIYAH
Khasanah, Imroatun
Unknown Affiliation
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Environmental Science Languange, Linguistic, Communication & Media Social Sciences

Published : 2 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 2 Documents
Search

 1 
Density and Growth Rate of Nannochloropsis oculata with Different Photoperiods Sanjayasari, Dyahruri; Rahmasari, Faradita; Khasanah, Imroatun; Imlani, Ainulyakin
MAIYAH Vol 2 No 1 (2023): Maiyah : Vol.2 No.1 Maret 2023
Publisher : Fakultas Perikanan dan Ilmu Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (310.457 KB) | DOI: 10.20884/1.maiyah.2023.2.1.8245

Abstract

Nannochloropsis oculata is a type of single-celled or eukaryotic phytoplankton belonging to the class Eustigmatophyceae. This type of microalgae is widely used as natural food for rotifers and fish larvae because it has a high nutritional content. Given this role, many species of Nannochloropsis oculata are cultivated by culture. The success of microalgae culture is influenced by growth factors such as light intensity, CO2, temperature, and nutrition. However, in the process problems often arise regarding the unstable growth of Nannochloropsis oculata. This is usually caused by factors that affect growth, such as light that is not optimal. Based on these problems, it is necessary to conduct research that aims to determine the growth rate of Nannochloropsis oculata with different irradiation treatments. The research method used was an experimental method with 4 treatments i.e., A (24L : 0D), B (12L : 12D), C (18L : 6D), and D (6L : 18D). The results showed that different light exposure period on the density of Nannochloropsis oculata microalgae had no significant effect on their growth rate. Even though the results of statistical tests of photoperiod administration did not affect the production of Nannochloropsis oculata microalgae cell density, the treatment with the dark phase resulted in better growth.
Profil E-Book Interaktif Materi Perubahan Lingkungan untuk Melatihkan Kemampuan Berpikir Kreatif Siswa SMA Kelas X Khasanah, Imroatun; Purnomo, Tarzan
Berkala Ilmiah Pendidikan Biologi (BioEdu) Vol. 14 No. 2 (2025)
Publisher : Program Studi Pendidikan Biologi, FMIPA, Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/bioedu.v14n2.p391-403

Abstract

Abstrak Penelitian ini bertujuan untuk menghasilkan e-book interaktif pada materi perubahan lingkungan bagi siswa kelas X SMA yang valid, praktis, dan efektif dalam melatih keterampilan berpikir kreatif. Pengembangan e-book interaktif menggunakan model 4D (define, design, development, dan disseminate). Uji coba terbatas dilakukan pada 20 siswa kelas 10.5 di SMA Muhammadiyah 2 Surabaya. Validitas e-book dinilai oleh dua validator, yakni ahli media dan ahli materi. Kepraktisan dievaluasi melalui uji keterbacaan, keterlaksanaan dalam pembelajaran, serta respons siswa, sedangkan keefektifan dinilai berdasarkan kemampuan berpikir kreatif. Validitas, kepraktisan, dan keefektifan data dianalisis secara deskriptif kuantitatif. Berdasarkan hasil uji validasi e-book interaktif 95,86% dengan kategori sangat valid. Hasil uji keterbacaan menunjukkan bahwa e-book interaktif yang dikembangkan mencapai keterbacaan pada level 11 artinya sesuai digunakan untuk kelas 10-12 SMA. Hasil observasi keterlaksanaan 96,4% dengan kategori sangat praktis. Respons siswa 95,8% dengan kategori sangat baik. Hasil latihan kemampuan berpikir kreatif pada indikator fluency rata-rata 88%; flexibility 85%; problem sensitivity 90%; originality 95%; dan elaboration 100%. Berdasarkan hasil tersebut, e-book interaktif dinyatakan layak digunakan sebagai media pembelajaran Biologi untuk melatihkan kemampuan berpikir kreatif siswa kelas X SMA.  
Co-Authors Dyahruri Sanjayasari Imlani, Ainulyakin Rahmasari, Faradita TARZAN PURNOMO