Artikel (231)
The use of biological agents is an effective way to prevent the negative impacts of excessive synthetic chemical pesticide use. Trichoderma sp., a saprophytic fungus, acts as a biocontrol agent against various phytopathogenic molds and is more commonly found in rooted soil and leaves than in stems o...
Jurnal Ilmiah Biologi Eksperimen dan Keanekaragaman Hayati (J-BEKH); Vol. 11 No. 2 (2024); 59-68 | 2024
This study aimed to analyze insect diversity in organic rice fields planted with white and black rice varieties. Yellow pan traps were used to collect insects, with six traps placed in each field. The traps, consisting of 12 cm yellow bowls filled with a 70% alcohol-soap solution, were mounted on 30...
Jurnal Ilmiah Biologi Eksperimen dan Keanekaragaman Hayati (J-BEKH); Vol. 11 No. 2 (2024); 24-28 | 2024
The progestin hormone is used as male hormonal contraception. Giving progestin to normal men can suppress libido and testicular function effectively, and reduce testosterone levels so that it can interferer with the spermatogenesis process. This study is about the effectiveness of black pepper (Pi...
Jurnal Ilmiah Biologi Eksperimen dan Keanekaragaman Hayati (J-BEKH); Vol. 11 No. 2 (2024); 69-78 | 2024
Soil-transmitted helminth (STH) infections are common in regions with high rates of anemia, particularly in low-income countries where poor nutrition is prevalent. Children attending school in these areas are most vulnerable to anemia. Both anemia and STH infections can negatively affect children's ...
Jurnal Ilmiah Biologi Eksperimen dan Keanekaragaman Hayati (J-BEKH); Vol. 11 No. 2 (2024); 33-41 | 2024
Marine pollution from ocean garbage, particularly plastic waste, has significant ecological impacts globally. Plastic debris dominates marine pollution and graadually breaks down into microplastics. This study analyzes microplastic particle count, shapes, and polymer types in water and sediiment aro...
Jurnal Ilmiah Biologi Eksperimen dan Keanekaragaman Hayati (J-BEKH); Vol. 11 No. 2 (2024); 51-58 | 2024
The neutrophil lymphocyte ratio (NLR) is an indicator of the presence of a systemic inflammatory response. The neutrophil lymphocyte ratio parameter was calculated by comparing the number of neutrophils and the number of lymphocytes. Patients with severe COVID-19 who did not survive were found to ha...
Jurnal Ilmiah Biologi Eksperimen dan Keanekaragaman Hayati (J-BEKH); Vol. 11 No. 2 (2024); 13-22 | 2024
Cellulolytic bacteria can hydrolyze substrates containing cellulose such as mangrove litter trapped in mangrove sediment by producing cellulase enzymes to break down cellulose into simpler compounds. The purpose of this study is to obtain bacterial isolates from mangrove sediment that have the abili...
Jurnal Ilmiah Biologi Eksperimen dan Keanekaragaman Hayati (J-BEKH); Vol. 11 No. 2 (2024); 1-12 | 2024
Indonesia is the world’s largest producer of Crude Palm Oil (CPO). Tree rats (Rattus tiomanicus (Miller, 1900)) pose a significant problem in palm oil plantations by eating and damaging the mesocarp, reducing fruit weight, and affecting the Oil Extraction Rate (OER) and Free Fatty Acid (FFA) level...
Jurnal Ilmiah Biologi Eksperimen dan Keanekaragaman Hayati (J-BEKH); Vol. 11 No. 2 (2024); 79-86 | 2024
Staining is an important stage in preparing microscopic preparations so that the histological structure can be observed clearly. Hematoxylin-Eosin is the most widely used dye. Unfortunately, eosin is a synthetic chemical compound that is carcinogenic. To reduce the health and environmental impacts o...
Jurnal Ilmiah Biologi Eksperimen dan Keanekaragaman Hayati (J-BEKH); Vol. 11 No. 1 (2024); 57-62 | 2024
The study employed the insect net method to sample insects from the Bangek River. Primary and secondary data were collected for analysis. The research was conducted at Bangek River, Lubuk Minturun District, Padang City, West Sumatra Province. Insect sampling involved a single event using an insect n...
Jurnal Ilmiah Biologi Eksperimen dan Keanekaragaman Hayati (J-BEKH); Vol. 11 No. 1 (2024); 41-46 | 2024