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All Journal Jurnal Biologi Tropis Diklat Review : Jurnal manajemen pendidikan dan pelatihan Innovative: Journal Of Social Science Research Jurnal Pengembangan Profesi Guru dan Dosen
Bahri , Syamsul
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Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Immunology & microbiology Law, Crime, Criminology & Criminal Justice Public Health Other

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Biodiversity Indices of Mangrove Community in Gili Sulat, East Lombok Diniyatushoaliha, Ainun; Al Idrus, Agil; Bahri , Syamsul
Jurnal Biologi Tropis Vol. 24 No. 3 (2024): July - September
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v24i3.7571

Abstract

Mangrove ecosystems play an important role in supporting environmental stability, providing ecological services, and influencing the long-term survival of many living organisms. This research aims to analyse the biodiversity indices of mangrove community in Gili Sulat, East Lombok. The method for determining stations is based on purposive sampling. Each station has three plots. The method for determining plots is based on mangrove density (sparse, moderate, dense). Data were collected using plots of 10x10 m2 for trees, 5x5 m2 for saplings, and 2x2 m2 for seedlings. Diversity, richness, evenness, and dominance values were calculated using the Shannon-Weaver diversity index (H’), Margalef-Richness index (R), Pielou-Evenness index (E), and Simpson-Dominance index (D) to calculate. The results showed twelve mangrove species in tree, sapling, and seedling categories. The diversity index in three stations ranges from low to moderate, the richness index shows species richness of mangrove is low, the evenness index shows that mangrove species evenness ranges from low and high, the dominance index shows that mangrove species dominance range from low and high. Thus, these results present that biodiversity indices of mangrove community in Gili Sulat are: (1) the diversity index (1,73) presents that species diversity and ecolocigal pressure are moderate, (2) the richness index (1,78) presents that species richness is low, (3) the evenness index (0,70) presents that species evenness is moderate and ecosystem condition is less stable, (4) the dominance index (0,26) presents that species dominance is low and almost no species dominate.
Pengaruh Kualitas Sistem E-Filing dan Persepsi Kemudahan Wajib Pajak Terhadap Tingkat Kepatuhan Wajib Pajak Orang Pribadi dalam Penyampaian SPT Tahunan Nurdiani , Nurdiani; Nasrullah , Nasrullah; Bahri , Syamsul
Innovative: Journal Of Social Science Research Vol. 4 No. 3 (2024): Innovative: Journal Of Social Science Research
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/innovative.v4i3.10785

Abstract

Tujuan penelitian ini adalah untuk mengetahui pengaruh kualitas sistem e-filing terhadap tingkat kepatuhan wajib pajak, mengetahui pengaruh persepsi kemudahan wajib pajak terhadap tingkat kepatuhan wajib pajak dan mengetahui pengaruh kualitas sistem e-filing dan persepsi kemudahan wajib pajak secara bersama-sama terhadap tingkat kepatuhan wajib pajak orang pribadi dalam menyampaikan SPT Tahunan (studi kasus Kantor Pelayanan Pajak Pratama Jakarta Koja). Penelitian ini menggunakan metode deskriptif kuantitatif dengan teknik pengumpulan data melalui penyebaran kuesioner,dan data pustaka. Dalam penelitian ini menggunakan random sampling dengan sampel 114 orang wajib pajak orang pribadi di Kantor Pelayanan Pajak Pratama Jakarta Utara, dengan menggunakan teknik analisis data regresi linear berganda. Hasil dari penelitian ini menunjukan bahwa terdapat pengaruh kualitas sistem e-filing terhadap tingkat kepatuhan wajib pajak secara parsial, tidak terdapat pengaruh persepsi kemudahan wajib pajak terhadap tingkat kepatuhan wajib pajak, dan terdapat pengaruh kualitas sistem e-filing dan persepsi kemudahan wajib pajak secara bersama-sama terhadap tingkat kepatuhan wajib pajak orang pribadi dalam menyampaikan SPT Tahunan (studi kasus Kantor Pelayanan Pajak Pratama Jakarta Koja), variabel kualitas sistem e-filing dan persepsi kemudahan wajib pajak berpengaruh rendah dan memiliki kontribusi pengaruh sebesar 15,23% terhadap variabel tingkat kepatuhan wajib pajak orang pribadi dalam penyampaian SPT Tahunan. Hasil penelitian ini diharapkan memberikan kontribusi untuk penelitian selanjutnya.
PENGAWASAN KELUARGA TERHADAP PENGENDARA MOTOR BERUSIA DI BAWAH 17 TAHUN DI SMP NEGERI 34 PEKANBARU TAHUN 2023/2024 Azhari, Azhari; Baharuddin, Yulizar; Ali, Auzar; Bahri , Syamsul
Diklat Review : Jurnal manajemen pendidikan dan pelatihan Vol. 8 No. 3 (2024): Penguatan Literasi Keuangan, Inovasi UMKM, dan Transformasi Pembelajaran pada E
Publisher : Komunitas Manajemen Kompetitif

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35446/diklatreview.v8i3.2000

Abstract

This study aims to determine school supervision and parental supervision of motorcyclists in children under 17 years of age at 34 State Junior High Schools Pekanbaru. Data collection techniques include observation, questionnaires, and interviews. The population in this study amounted to 103 people and a sample of 41 people using Roscoe's opinion in Sugiono (2011.90) which said that 40% of the total population was taken. The results showed that the age of parents who allowed their children to ride motorbikes was 36-40 years old with the most education levels being high school and their work as housewives (not working). Family supervision of children who ride motorbikes in children under 17 years old, namely parents always provide advice and direction to children and are always responsible for violations committed by children, parents take action against children who ride motorbikes during school learning hours and parents also separate pocket money and gas money for the child. Violations that have been committed by children, such as fighting the current and riding a motorcycle at high speed, violating traffic signs, not equipping a vehicle and not wearing a helmet. Keywords: School Supervision, Family, Motorcyclists
A mix-method study on students’ demotivating factors in learning English in higher education context Bahri , Syamsul; Khasinah, Siti; Fajarina, Nabila
Jurnal Pengembangan Profesi Guru dan Dosen Vol. 2 No. 2 (2025): Jurnal Pengembangan Profesi Guru dan Dosen
Publisher : Barkah Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63228/jppgd.v2i2.97

Abstract

This study attempts to explore students’ demotivating factors in learning English at Department of English Language Education. This research employed a mixed-method research which used questionnaire and interview technique. The participants consisted of 63 students from Department of English Language Education. The finding showed that the students reflected on teaching material, teaching process and teaching content factors, teaching facilities and teaching environment, the relationship between lecturers and students, lecturers’ teaching competence and attitude of lecturers, experience of failure and lack of confidence, unclear study goal factor, significance others, the scheduling system and the usage of native language in language learning process as their demotivating factors in learning English. Teaching material, process and content found out to be the major factor that decreases students’ interest in learning English. This research is expected to enrich the literature research of demotivation in learning English and to provide an adequate information to the educators to help the students eliminate the demotivating factors
Co-Authors Agil Al Idrus Auzar Ali Azhari Azhari Baharuddin, Yulizar Diniyatushoaliha, Ainun Fajarina, Nabila Nasrullah , Nasrullah Nurdiani , Nurdiani Siti Khasinah