Polymesoda expansa belongs to the class of Bivalves that are found in mangrove forests, their habitat is between mangrove roots on muddy substrates, sandy mud and mangrove litter. This study aims to determine the abundance of P. expansa in Anak Setatah Village, Kepulauan Meranti Regency, examine the size frequency distribution, and investigate the distribution pattern in the area. The study con…
This study aims to determine the effect of using different types of bait on the catch results of umbrella traps (bubu payung) in the Kampar River, Kuok Village. The research was conducted over a period of 10 consecutive days using three types of bait: coconut pulp (ampas kelapa), rice bran (dedak padi), dan oil palm fruit waste (berondolan sawit),. The research method used was a field experime…
This research was conducted with the aim of knowing the structure of the gastropod community in the coastal area of Parupuk Tabing Village, Padang City, West Sumatra. Knowing the structure of the gastropod community in an area has a major impact on the sustainability of the area. This is because the living conditions of gastropods can be an illustration of the water quality in the area. Therefo…
ABSTRACT Avocado seeds and rubber seed shells are biomass waste that can be used as an alternative source in the form of charcoal briquettes because they contain lignin and cellulose. The purpose of this study is to produce charcoal briquettes with the best characteristics from a combination of avocado seed charcoal and rubber seed shell charcoal with tapioca adhesive, based on SNI No. 01-6235…
ABSTRACT Cempedak fruit skin and pulp are waste from cempedak fruit that are usually thrown away, even though this waste can be used as a high-value product such as pectin. Pectin is obtained through an extraction process to separate the pectin component from plant tissue and can be influenced by several factors, one of which is solvent concentration. This study aims to obtain the best eth…
ABSTRACT Porang tubers can be processed into flour through the stages of drying to the flouring process. Porang flour can be used in the food industry as a thickener, filler, stabilizer, and binder. The purpose of this study was to determine the characteristics of HMT modified porang flour properties at different temperatures and obtain the best temperature in porang flour modification. This r…
ABSTRACT Cookies are baked snacks, which are small and sweet. Soybean husk flour and pumpkin puree can be used as a substitute for wheat flour. This study aims to determine the effect of soybean husk flour and pumpkin puree on the nutritional content and sensory quality of cookies and to determine the best formulation for making soybean husk flour and pumpkin puree cookies. The research wa…
ABSTRACT Noodles are one of the food products that contain carbohydrates that can be used as a source of energy besides rice. The basic ingredient for making noodles is flour. Wheat is used as a raw material because it contains gluten which can form noodle dough into elastic and easy to shape, but gluten in wheat can have an impact on damage to microvilli tissue in the small intestine in child…
ABSTRACT Fruit leather is a food product of a kind of dry sweet in the form of a thin sheet that has the consistency and distinctive taste of a type of fruit. The study aimed to obtain the best concentration of carrageenan in the manufacture of fruit leather jicama-rosella. This research was conducted experimentally by using a complete randomized design consisting of five treatments and three …
ABSTRACT Sago starch can be made into crackers. Crackers from sago starch have a low protein content. Soybean flour has a high protein content of 35,9% per 100 g. The addition of soybean flour is considered to be able to increase the protein and can improve the quality characteristics of sago crackers. The purpose of this research was to determine the effect of the ratio of sago starch and…
ABSTRACT Bukit Cadika Pine Forest Bangkinang is one of the pine forests in Bangkinang Riau. Pine is a type of tree that is classified as a fast-growing type and does not require special requirements in its planting, so pine can spread naturally to areas south of the equator. The existence of understory plants can also function as soil protectors from rain grains and surface flow and play a rol…
ABSTRACT Mangrove ecosystems play a crucial role in maintaining coastal environmental balance and hold significant potential for sustainable ecotourism development. In Sungai Apit Subdistrict, Siak Regency, the presence of mangrove forests presents both opportunities and challenges for community-based management. This study aims to analyze the level of community participation in managing mangr…
ABSTRACT Human-wildlife conflict was an increasing phenomenon in various regions, particularly in areas bordering natural habitats. One such conflict occurred between the community and primates in Pandan Wangi Village, Peranap District, Indragiri Hulu Regency. This study aimed to understand the community's perception of primates, the conflict they faced, and their efforts to mitigate it. The r…
ABSTRACT This study aims to characterize peat maturity based on the typology of peat domes in Dayun Village, Siak Regency. The peatlands in this area exhibit distinct dome typologies, namely the dome peak, back, and foot, which significantly influence the physical and chemical properties of the soil, including ash content, C-organic content, C/N ratio, and fiber content. The study was conducted…
ABSTRACT Leptocorisa oratorius F. is one of the factors causing the decline in rice production. Appropriate and safe control measures for the environment need to be taken, considering that the use of chemical pesticides can have a negative impact on the environment. The treatment solution that can be used to deal with the stink bug pest (Leptocorisa oratorius F.) is by using plant-based pestic…
Nile tilapia (Osteochilus hasselti) is an endemic freshwater species native to Indonesia, capable of surviving in both riverine and swamp ecosystems. The aquaculture of nile tilapia is frequently challenged bu the decline in water quality, primarily caused by the accumulation of metabolic waste. Probiotics play a critical role in improving water quality, enhancing biosecurity, andreducing produ…
Oreochromis niloticus is a fish that is very popular with the people of Indonesia, but in its cultivation it often experiences problems caused by Streptococcus agalactiae. This study was conducted from May 2024 to January 2025 at the Laboratory of Parasites and Fish Diseases, Faculty of Fisheries and Marine Sciences, University of Riau and the Bukit Tinggi Veterinary. This study aims to analyze…
ABSTRACT Spodoptera frugiperda is a pest that can cause the failure of the formation of young leaves on corn plants because it attacks the growing point of plants and causes yield loss on corn plants up to 15-73%. The control that is still often carried out to control S. frugiperda is using chemical insecticides, but this has various negative impacts. Insecticide soursop leaf powder (Annona mu…
ABSTRACT This study aims to (1) evaluate the application of pineapple cultivation techniques by farmers, (2) analyze the income from pineapple farming, and (3) measure the levels of technical, allocative, and economic efficiency of pineapple farming in Sungai Apit District using the Data Envelopment Analysis (DEA) approach. Data were collected through a survey of 30 farmers using accidenta…
ABSTRACT Dumai City is one of the regions in Riau Province with a high dependency on rice supplies from outside the area. This condition is caused by the limited local rice production, resulting in the population’s consumption needs being fulfilled by supplies from various regions in Indonesia as well as from other countries. The diversity in the origin of rice has created variations in …