Evaluation of change in the peat soil properties affected by different fire severities.

The tropical peatland ecosystems of Indonesia provide direct economic benefits to local communities and act to maintain local weather patterns. The impact of burning tropical peat swamp forests of land clearing for palm oil plantations can have significant consequences on the change in the characteristics of peat soil. The aim of this study was to determine the physical, chemical, and biological properties of peat soils by field and laboratory testing and analysis to understand changes in the nature and characteristics of peatlands at four locations in the Pelalawan Regency of Riau Province. The results showed that the effect of burning peat swamp forests can lead to a change in the physical, chemical, and biological properties of the peat soils. Soil permeability and the soil microbial population can significantly decrease with increasing fire severity. The effect of different fire severities on the characteristics of peat soil is verified to contribute to advanced management of the tropical peatland in the future.

The Factors of Affect Indoor Air Quality Inpatient at Private Hospital, Pekanbaru, Indonesia.

BACKGROUND: Air quality in inpatient rooms influenced by several factors. Room not qualified health can cause disease and can spread through equipment, the material used, food and drink, health workers, patients and visitors. AIM: The purpose of this study is to know the factors that affect air quality in the inpatient room at a private hospital, Pekanbaru. METHODS: The research is quantitative analytic by design cut latitude study. Samples from 120 nurses were selected overall sampling. The data do with the measurement directly, interviews and observation using a questionnaire. Data analysed by using the chi-square with significance p-value less than 0.05. RESULTS: The quality of the air in inpatient rooms has met the standard. Variables are affecting air quality in inpatient rooms in the hospital significantly with p-value more than 0.05 is temperature, dust, the germ, density occupancy, sanitation room. While the moisture, standard operating procedures and behaviour is not significant. CONCLUSION: The factors that significantly affect indoor air quality inpatient hospitalisation are temperature, dust, germ numbers, occupancy density, room sanitation.

Characteristics and Factors Associated with Medical Waste Management Behaviour in Private Dental Health Services in Pekanbaru City, Indonesia.

BACKGROUND: Medical waste is a problem when its amount is accumulated as well as the way the private dental healthcare still manages improperly. AIM: This study aims to define types and the number of medical wastes, also to analyse behaviour toward waste management and its associated factors. MATERIAL AND METHODS: The research used a quantitative analytic approach and cross-sectional design with 149 private dental practice populations in total. There were 60 dentists obtained using systematic random sampling in Pekanbaru. Data processed by conducting summation medical waste and counting the percentage of behaviour's variables. Data collected within 20 days were processed with dental waste laboratory tests and chi-square analysis. RESULTS: The result showed that dental, medical wastes average was 0.3 ± 0.07 kg/day which is 69% infectious, 27% toxic, and 4% radioactive. Overall results showed associated factors related to waste management behaviour were knowledge, training attainment, availability of facilities, and the use of personal protective equipment. CONCLUSION: The numbers of medical waste from dental health services in Pekanbaru were still low. More than half the Dentist had poor behaviour in dental, medical waste management. It is recommended to the dental profession organisation to cooperate with City Health Office to hold management training on medical waste in dental health care to educate and raise dentists' awareness to be able to manage the waste of dental health services properly and by the regulations.

Biometric and genetic differences in kelabau ( Osteochilus spp.) as revealed using cytochrome c oxidase subunit 1.

Background: Kelabau ( Osteochilus spp.) is a freshwater fish commonly found in the rivers of Riau, Indonesia. Researchers believe that these are Osteochilus kelabau; however, accurate taxonomic determination of these fish in Riau waters has not been made. The purpose of this study was to facilitate the identification of the kelabau based on its morphology and genetics using biometric and cytochrome c oxidase subunit 1 ( CO1) analyses, respectively. Methods: Fish samples were collected from the Siak, Kampar and Rokan rivers in Riau Province, Indonesia. The DNA of 90 fish was extracted from the caudal fins using a DNA extraction kit, after which it was amplified using primers Fish-F1 and Fish-R1. Sequencing was conducted by Applied Biosystems Macrogen Korea, and the DNA sequences were then edited and aligned using MEGA v. 7. All samples were BLAST-searched for identification using the National Center for Biotechnology Information and BOLD System. Phylogenetic trees were constructed, and the similarity index was calculated using accession numbers AP011385.1 and KC631202.1 in GenBank. Results: Analysis of the consensus barcode sequence for 86 species revealed a high percentage of barcode matches (96%-97% in GenBank and 96.6%-96.76% in the BOLD System). The nucleotide distance between groups of kelabau from the different rivers based on the Kimura 2-parameter model gave the following results: 0.05% between groups from the Siak and Kampar rivers, 0.09% between those from the Siak and Rokan rivers and 0.05% between those from the Kampar and Rokan rivers. The nucleotide distance between the groups in the Siak (0.09%), Kampar (0.00%) and Rokan (0.10%) Rivers indicated that the kelabau in those rivers were related to each other. Conclusions: Based on the results of the research data using CO1 and biometric analyses, the kelabau were confirmed to be O. melanopleurus.