One way to be able to have quality human resources and have competitiveness in facing competition in the era of globalization is to improve the quality of education. One of the supports for the creation of quality education is the use of media in learning. The use of learning media aims to make material that is difficult to understand easier to be understood. Based on observations at MAN 2 Kuan…
In Bengkalis Regency, Riau Province, many beaches have been damaged by abrasion over the last few decades. This abrasion has also resulted in severe mangrove damage, one example of which is found on the coast of Bukit Batu Village. The purpose of this study was to analyze the condition of mangroves found in one segment of the village beach. Observations were made using four 100 m x 10 m transec…
Bengkalis Regency in Riau Province is one of the areas most affected by abrasion in recent decades. The phenomenon of abrasion has many environmental impacts, including on the remaining mangroves, such as those found in Api-Api Village. This study aims to analyze the existing condition of mangroves affected by abrasion on the coast of this village. In this study, one of the 100 m long beach seg…
Coastal abrasion at a high rate in the Bengkalis Regency area, Riau Province, is increasingly causing damage, including damage to mangrove vegetation found on the coast of Buruk Bakul Village. This study aims to analyze mangrove damage on the coast of this village. The method used was purposive Sampling by selecting a 100 m long beach segment and making four transects (100 m x 10 m), consisting…
Pelawan plant (Tristaniopsis obovata Benn.) used by the community as traditional medicine to treat various diseases. Giving the extract determines whether the animal is safe or not from the Lethal Dose (LD50) test. The research aims to determine the LD50 value, clinical symptoms due to administration of ethanol extract of Pelawan leaves, and the influence of toxic effects on the liver structure…
The Siak River is a river that flows in the city of Pekanbaru which has several tributaries including the Sail River and the Umban Sari River. The Siak River plays a role as a fishery resource. Generally the types of fish found are consumption fish, apart from transportation activities, bathing, washing toilets, However, the many activities along the Siak River such as waste disposal, agricultu…
Bogor Botanical Garden is one of the places ex situ conservation that has many rare plants as collections. One of the plants in the garden is Cipadessa baccifera. Until now, no new saplings have been found in the Bogor Botanical Garden other than the mother tree. It is suspected that propagation of this plant is difficult due to less than optimal planting media. Therefore, it is necessary to co…
The beaches in Bandar Laksamana Sub-district, Bengkalis Regency, have experienced abrasion at a high rate in recent decades. In addition to eroding land, abrasion has resulted in severe damage to mangrove vegetation, one of which is found on the coast of Tanjung Leban Village. This study aims to analyze the condition of mangrove vegetation found on the coast of this village. Observations were m…
Macrozoobenthos is a type of aquatic organism that moves relatively slowly and can live for a long time. This research aims to identify the types of macrozoobenthos in the Batang Lubuh River, Hulu Kefullness Subdistrict, Rokan Hulu Regency. Macrozoobenthos sampling was carried out at three stations, namely the upstream part of the river, the middle part of the river flow, and the downstream par…
The Ghimbo Potai Traditional Prohibited Forest is one part of the Kenegerian Rumbio Traditional Prohibited Forest, Currently, there is no data regarding the species and diversity of Anura Order in the Ghimbo Potai Traditional Prohibited Forest. Therefore, to complete the data on the Anura Order species found in the Kenegerian Rumbio indigenous Prohibited Forest. This study aims to compare the …
Diospyos phenology is important to study to know the phases of growth that are influenced by the surrounding environment so that this research data can be used to support the conservation of Diospyros plants. The study aimed to determine the phenology of growth, flowering, and fruiting, compare the morphology of leaves, flowers and fruits, and update the status of data collection of D. blancoi …
Many community oil palm plantations are located in peatland areas that are prone to fire. One important factor that can influence fire propagation within or into oil palm plantations is the presence of plant biomass that easily catches fire, for example dry fronds. The aim of this study was to reveal the plantation structure, production rate, quantity and characteristics of oil palm fronds as a…
Abstract: Teachers' environmental literacy influences their students' environmental literacy. In the independent curriculum, teacher mover “Guru Penggerak” are the spearhead of educational success. This research aims to determine the environmental literacy profile of Middle School Teachers in Pekanbaru City. This research uses descriptive quantitative methods. The population in this study w…
The purpose of this research is to develop a PBL based E-LKPD that will enhance critical thinking in high-quality class XI movement system content. Critical thinking abilities can be enhanced by this research, particularly when it comes to the biology content related to movement systems. From July to May of 2023, this study was carried out at the Biology Education Study Program, Fkip, Riau Univ…
This research aims to develop Electronic Student Worksheets (E-LKPD) on conventional biotechnology topics, focusing on the production of liquid organic fertilizer (POC) from squeezed orange waste. Conducted from June 2022 to February 2023 at the Soil Laboratory of the Faculty of Agriculture, University of Riau, the resulting E-LKPD can serve as a teaching material for 12th-grade high school stu…
Education is closely related to interest in learning, functioning as a driving force, determining direction and determining action, so that the size of students' interest in learning will influence the learning outcomes that will be achieved. The results of interviews with Biology teachers in class Virus material that is difficult for students to understand results in low learning outcomes. The…
The current availability of citrus fruit is still insufficient because it is only cultivated on a small scale by the community. Another problem faced in citrus development is the limited area of citrus plantations and the limited availability of high quality seeds. Seed viability is a reflection to determine physiological quality before planting and estimate the viability and vigor status of se…
Petroleum-contaminated soil containing petroleum hydrocarbon compounds causes many environmental problems such as damage to the natural ecosystem of the forest and its components. This study aims to determine the growth response of balam (Palaquium burckii H. J. Lam) seedlings, seedling damage, tolerance level and percentage of total petroleum hydrocarbon (TPH) degradation in petroleum hydrocar…
The pandemic that has passed in recent years is still a former for every individual, especially in education. The two-year study habit and culture of learning a new style that when learning is implemented as it should be for the generation of students learning during the pandemic. The changes that occur in these two periods, namely pandemic and post- pandemic, are accompanied by a phenomenon th…
Pumpkin honey (Curcubita moschata) is a commodity of horticultural annuals from the Curcubitaceae family that grow creeping or creeping. The aged fruit is usually consumed directly after boiling or made into various preparations such as compote, pumpkin pudding. Pumpkin honey grows well on sufficient rainfall throughout the year. This research is divided into two stages, namely the experimental…