Biologi Edukasi: Jurnal Ilmiah Pendidikan Biologi
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The Relationship between the Insight Levels of Sustainable Development to the Attitude of Environmental Concern in FKIP Unsyiah
Full text linkEnvironmental problems are complex problems that must be addressed immediately, and humans are the only educated agents who can save the environment so that environmental benefits can be felt sustainably. This study aims to determine the relationship between the level of insight into sustainable development (sustainable development) to the attitude of environmental care FKIP academic community Unsyiah. This research uses a descriptive correlational approach. Data collection techniques using questionnaires, blind observation, interviews, and documentation. Data analysis using Spearman correlation with a confidence level of 95% and processed using the SPSS 18.0 application. The results of the analysis show a correlation coefficient of 0.345 which means there is a sufficient correlation between the level of insight into sustainable development with an attitude of environmental awareness. The significance value obtained from the Spearman correlation test is 0.345 ( 0.05), meaning that there is a significant relationship between the level of insight into sustainable development with an attitude of environmental awareness. The correlation coefficient has a positive value of 0.345, so insights are positively and significantly related to caring attitudes. The results of this study indicate that the level of insight into sustainable development is positively related to the attitude of environmental awareness in the FKIPUnsyiah academic community
Utilization of Fermented Solution (Ensiling) from Brassica juncea as a Natural Preservative on Sardinella longiceps
Full text linkEnsiling from mustard green is a natural preservation method with a fermentation method with the aim of being a place for the development of lactic acid bacteria that can reduce pH to maintain an acidic atmosphere so that it inhibits the development of spoilage bacteria. The purpose of this study was to determine the effect of green mustard solution on the natural preservation of dencis fish and the organoleptic quality found in dencis fish. The benefit of this research is that it can provide information about the use of green mustard greens as a natural preservative of fresh dencis fish to the public. The method used in this study is an experimental method with a Completely Randomized Design (CRD) consisting of 4 treatments and 5 replications. The treatments were without immersion (P0), 1-hour immersion (P1), 3-hour immersion (P2), and 6-hour immersion (P3). Data analysis with Analysis of Variance (ANAVA) with further testing BJND at = 0.05. The provision of green mustard solvent solution greatly affects the organoleptic (taste, color, texture and aroma) and greatly influences the level of panelists preference for aroma, texture and taste but does not look different in the color of fried dencis fish
The Diversity of Macroscopic Fungi in the Nutmeg Plantation (Myristica fragrans Houtt) in Desa Gunung Kerambil, Tapaktuan, Aceh Selatan
Full text linkMacroscopic fungi growth is influenced by environmental factors. Nutmeg plantations generally cannot stand with heat, so the protective plants are needed. Protective plants will reduce the intensity of light and make a microclimate so that the plantations become moist. This study aimed to determine the types and diversity of macroscopic fungi found in nutmeg plantations. Data collection is carried out by exploratory survey methods and subjective sampling. The research location was divided into 3 stations, namely station I on the riverside, station II in the mountain area and station III around the residential area with each station having 10 transects. The measured parameters include the species diversity index. Data were analyzed using the diversity index formula then also carried out a descriptive analysis which included images, descriptions of fungi, and taxonomic hierarchies. The results of this research on the diversity of macroscopic fungi in the nutmeg plantation of Gunung Kerambil, Tapaktuan, South Aceh, found 28 macroscopic fungi classified into 19 genera and 12 families with the dominating genus are Trametes. The macroscopic fungi diversity index in the nutmeg plantation in Gunung Kerambil, Tapaktuan, South Aceh is in the moderate category with a score of 2.96
Effect of Steeping Syzygium aromaticum L. Leaves on The Acceleration of Healing of Rattus norvegicus Burns
Full text linkThis study aims to determine the effect of clove leaf steeping (Syzygium aromaticum L.) on the repair of burns of Rattus norvegicus rats. Samples were 12 rats and were divided into 4 groups. Each group was given clove leaf steeping at a dose of 0.09g / species/ day, 0.18g / species / day, 0.36g / species / day, and the control group. Samples were adapted for a week, then treated for 14 days. The results showed a burn repair that was also shown statistically between the length and width of burns of Rattus norvegicus mice. It was concluded that administration of clove leaf steeping (Syzygium aromaticum L.) was able to accelerate the healing of Rattus norvegicus rat burns, with the most effective dose being 0.36g
Determination of Water Quality Based on Diversity of Plankton in Krueng Daroy Aceh Province
Full text linkPlankton has a very important role, especially from the feed chain (the main producer) and as a bioindicator of fertility levels, on the Krueng Daroy River. This study aims to determine the air quality of Krueng Daroy based on the level of information and to find out information in Krueng Daroy, Aceh Province. This research method is a survey with a purposive sampling technique with quantitative and qualitative approaches. Data collection was conducted for 3 sampling times, with an interval of 3 days for 9 days in 3 research locations with each location consisting of 3 stations. The usability level was analyzed by calculating the Shannon-Wiener Diversity Index, and determining the quality descriptively. The results obtained a plankton diversity index in Krueng Daroy between 2,274 to 2,565 with moderate polluted air quality. The results of the plankton process in the Krueng Daroy River are moderate, with moderate polluted air quality
Population Density of Thalassina scorpionides (Rama-Rama) in the Reuleung River Mangrove Ecosystem, Leupung, Aceh Besar
Full text linkThalassina scorpionides (Rama-Rama) belong to the Thalassina genus and act as a detritivor. However, information on the density of T. scorpionides based on domestic and overseas literature is still low therefore research needs to be done on population density of T. scorpionides in Mangrove Ecosystem of Reuleung River Leupung District of Aceh Besar Regency. The research was conducted in July 2017. The purpose of this study was to determine the population density of T. scorpionides. Data obtained through survey method with purposive sampling technique. The sampling location is divided into 5 stations and each station has 3 plots. Population density analysis using population density formula. The result showed that population density of T. scorpionides at station I was 3 ind / m2, station II 1 ind / m2, station III 1 ind / m2, station IV 1 ind / m2, and station V 2 ind / m2. Population density of T. scorpionides is most common in station I and the lowest population density is found in station III. Abiotic factor at location of observation station of T. scorpionides that is temperature of water ranged from 25oC-31oC, air temperature 25oC-33oC, salinity of 17 -22 , and soil pH ranged from 5-7.2, water pH ranged from 5-7.4 and substrate in the form of sandy clay soils, fine pebbles, sludge mud, gravel, and muddy
Effect of Liquid Organic Fertilizer from Capra aegagrus hircus on Vitamin A from Lactuca sativa using the Deep Flow Technique System
Full text linkThis study aims to determine the effect of fertilizer application on the vitamin A content of lettuce plants. This type of research is experimental research. This research was carried out in Lambada Lhok village and in the Biology Education Laboratory of FKIP Syiah Kuala University. This study used a Completely Randomized Design (CRD) method with 4 levels of treatment and 6 repetitions to obtain 24 experimental units. Data were analyzed statistically using Variant Analysis (ANAVA) and if there were significant differences between one treatment with another, then further tests were carried out. Based on the results of research on the provision of liquid organic fertilizer (POC) local bean goat (Capra aegagrus hircus) has a significant effect on the vitamin A content of lettuce (Lactuca sativa). The optimum vitamin A content is in the P2 treatment with a concentration of 35% Liquid Organic Fertilizer
Fumigant Toxicity of Siamese Citrus Fruit Extract (Citrus nobilis) as a Botanical Pesticide in Culex sp.
Full text linkToxicity is the ability of a substance that is destructive when exposed to organisms. These substances can come from plants to used as plant-based pesticides. Siam orange peel waste (Citrus nobilis) can be used as the main ingredient of botanical pesticides because it contains bioactive compounds. The purpose of this research is to see the ability of the concentration of siam citrus fruit extracts that can cause mosquito death by 50%. This type of research is experimental and a quantitative approach. The experimental design used a Factorial Complete Randomized Design consisting of seven different treatments and three observation times. These treatments were the concentration of 0% conjoined orange peel extract as a negative control, 30%, 45%, 60%, 75%, 90%, and commercial products as a positive control, the treatment was carried out in four replications. Data were analyzed using probit regression analysis. Probit test results obtained that LC50 value is 49.86%, the concentration that can be used is in the treatment of P3 with a concentration of 60% of Siamese orange peel extract. The conclusion of this research proves that the administration of conjoined orange peel extract can cause Culex mosquito mortality by 50% at a concentration of 60%
Plant Diversity in Oil Palm Plantations in Tanjung Seumantoh, Karang Baru, Aceh Tamiang
Full text linkThis research aims to find out the level of plant diversity in Tanjong Seumantoh, Karang Baru District, Aceh Tamiang Regency. The study used a double plot method, where the plot area for herbaceous plants was 1m x 1m and for shrubs was 5m x 5m, whereas for trees the overall density and frequency were seen. Data were analyzed using significance value (NP) analysis, diversity index, and similarity index. The results obtained 85 species of plants consisting of 55 species of herbs from 23 families, 15 species of shrubs from 9 families, and 15 species of trees from 12 families. The level of diversity of herbaceous plants in all research locations is moderate, which has an average Diversity Index of 2,620. The level of shrub diversity in all study sites is low, which has an average Diversity Index of 1.476. The family of trees that dominate the study site are Malvaceae and Arecaceae. Each of 2 species. Malvaceae consists of Hibiscus tiliaceus and Ceiba pentandra while Arecaceae consists of Arecha cathecu and Cocus nucifera
Kinship Relation of Malvaceae Species Based on Morphological Characteristics
Full text linkThis study aimed to determine the kinship relationship of Malvaceae species based on morphological characteristics, this study uses a descriptive method that interprets the kinship of the species Malvaceae based on morphological characteristics. The object of the research is the species of Malvaceae namely hibiscus (Hibiscus archeri), waru (Hibiscus tiliaceus), rosella (Hibiscus sabdariffa), pulutan (Urena lobata L.), ocra (Abelmoschus esculentus), cotton (Gossypium hirsutum), sidaguri (Sida rhombifolia L.), kembang tidur (Malvaviscus penduliflorus), lanterns (Abutilon pictum). The parameters used are stem organs, leaves, and flowers. Data analysis was performed by calculating the Similarity Index (IS) and Dissimilarity Index (ID), the data in Cluster Analysis to group Malvaceae species based on the same number of characters. The results of the research show that the closest kinship relation owned by a combination of plants that has the lowest Dissimilarity Index (ID) value in the species of hibiscus (Hibiscus archeri) and kembang tidur (Malvaviscus penduliflorus). The conclusion of this study is there are three categories of relationships of the Malvaceae species, which are the closest kinship relation, close kinship relation, and the kinship relation are not close. The kinship relationship is remarkably close to the lowest Dissimilarity (ID) Index value indicated by the combination of hibiscus (Hibiscus archeri) and kembang tidur (Malvaviscus penduliflorus) with ID value = 25