Papers by Andri Hendrizal
Berkala Perikanan Terubuk
Ikan tambakan (Helestoma sp.) merupakan ikan air tawar yang bernilai penting. Belum adanya peneli... more Ikan tambakan (Helestoma sp.) merupakan ikan air tawar yang bernilai penting. Belum adanya penelitian terkait pola pertumbuhan dan faktor kondisi ikan tambakan (Helestoma sp.) di Danau Panjang. Pengambilan sampel dilaksanakan pada bulan Oktober 2022 dengan menggunakan alat tangkap berupa jaring, pancing, dan perangkap di Danau Panjang Desa Lubuk Siam, Riau. Data dianalisis menggunakan aplikasi Ms. Excel dari hasil analisis pola pertumbuhan ikan (n=32) menunjukan nilai a = 0,0079 dan nilai b = 3,3778, R2 sebesar 0,9554. Pola pertumbuhan ikan tambakan di Danau Panjang bersifat alometrik positif. Faktor kondisi ikan tambakan relatif baik dengan nilai berkisar 0,769 hingga 1,192.
Joong-Ki : Jurnal Pengabdian Masyarakat
Pengembangan budidaya ikan air tawar membutuhkan bantuan dari pihak perbankan khususnya aspek per... more Pengembangan budidaya ikan air tawar membutuhkan bantuan dari pihak perbankan khususnya aspek permodalan. Kegiatan ini bertujuan untuk meningkatkan pemahaman pegawai bank dalam budidaya ikan air tawar sehingga diharapkan mampu melayani nasabah pelaku usaha ikan air tawar dengan lebih baik. Metode pelatihan menggunakan ceramah, diskusi dan field trip ke lokasi usaha perikanan air tawar. Hasil pendidikan profil bisnis komoditas ikan air tawar menunjukkan peningkatan pemahaman peserta terhadap seluk beluk budidaya ikan air tawar. Melalui kegiatan ini diharapkan pengembangan budidaya ikan air tawar terus berkembanga di masa yang akan datang.
IOP Conference Series: Earth and Environmental Science
Oxbow lake is usually formed in a meandering river. Lubuk Siam village is one of the places passe... more Oxbow lake is usually formed in a meandering river. Lubuk Siam village is one of the places passed by the Kampar River, which has a meander shape. In this study, there are three oxbow lakes to be studied: Lubuk Siam, Selat Panjang, and Putus. Morphometric Surface Dimension data was collected by using geographical information system (GIS). It was then analyzed using GIS data processing software. The results showed that Lake Putus has the most significant area compared to the other two lakes adjacent to each other. The size of Lake Putus is 22.99 Ha. The results showed that three of these lakes’ shoreline development index (SDI) value is less than 1. This SDI value shows that the shape of the lake is regular. The lake’s regular shape indicates the lake’s low productivity as a result of a low number of nutrient inputs.
IOP Conference Series: Earth and Environmental Science
Seaweed is a significant economic product that should be promoted. A transparent trading system, ... more Seaweed is a significant economic product that should be promoted. A transparent trading system, which is intended to support the growth and development of seaweed production on a greater scale, is one of the main criteria for providing stronger value to cultivators. This is a benefit that the Indonesian people, in general, can take advantage of to their fullest potential. In June 2021, a survey will be conducted in Alor Regency, Nusa Tenggara Timur Province, to map market potential and market chains. Seaweed farmers and traders interested in seaweed marketing made up the study’s population. The sampling method used the snowball sampling method, namely the first level sampling, in this case, was seaweed farmers determined by simple random sampling, while the next sample, in this case, was traders determined by farmers where farmer s who had selected are identified (excavated data). The goal of doing a market chain research and business strategy for seaweed commodities is to have a m...
Unri Conference Series: Community Engagement
The economic level of the city of Pekanbaru experienced a significant increase in 2019 which was ... more The economic level of the city of Pekanbaru experienced a significant increase in 2019 which was 6.01% from previous years, but since the Covid-19 pandemic outbreak in 2020, the economic condition of the city of Pekanbaru has decreased by around 2.3%. This figure is considered quite worrying for the economic condition of the people of Pekanbaru City if there are no efficient steps to overcome it.Currently the people of Pekanbaru City are required to be more innovative in utilizing existing resources by considering the narrow and limited urban conditions. Cultivation of catfish (Clarias gariepinus) by utilizing tarpaulin buckets "Bule Empal - Catfish Cultivation Bucket Tarpaulin" is one of the innovations in developing alternative livelihoods for people in urban areas who have narrow land with a relatively short maintenance time of about 3 months. In order to implement the Tri Dharma of Higher Education, namely Education, Research, and Service. Academics can provide guidanc...
BIOGENESIS ( Jurnal Pendidikan Sains dan Biologi ), Mar 2, 2015
This research aims to determine the composition and diversity of soil insect in Riau University A... more This research aims to determine the composition and diversity of soil insect in Riau University Arboretum, and obtains an alternative learning source. The method of this research is survey. Locations were selected based on purposive random sampling considering 3 habitat types. The parameters used in this study is the composition and diversity of soil insect. Physical and chemical parameters measured were soil temperature, pH, water content and organic matter content. The data obtained are presented in tables and graphs then analyzed descriptively to be associated with the learning set of material. Based on the research that has been conducted, there are differences in the composition of soil insects at each research station. Of the three stations, there were obtained 5 orders and 12 species. Order were found which is consist of Hymenoptera, Collembola, Orthoptera, Coleoptera and Diptera. At the first station, found as many as 494 individual. At the second station, there was found as many as 217 insects and found 271 insects in stations III. The diversity of soil insect is classified as moderate with scale 1-3. The results can be used to develop inquiry-based learning animal diversity in the form of Student Work Sheet. Keywords : Composition, Diversity, Learning Inquiry, Soil Insect
Tor thai mahseer fish (Tor tambroides Blkr) is an endangered species due to overfishing and their... more Tor thai mahseer fish (Tor tambroides Blkr) is an endangered species due to overfishing and their habitat destruction. Some rivers in the hilly area of Sumatra are their habitats and become a conservation area. This study aims to determine the status of the fish habitat, conservation program, analyzing local wisdom in conservation as well as an economic resource for the local community. Conducted by a survey method in the conservation area in Batang Haluan River, West Sumatra, Indonesia. Parameters measured included water quality, physical character of conservation areas and descriptions of local wisdom and the protected area management. The area was divided into; core zone, sustainable use zone and use zone. The zones were established in 1856 (core zone), gradually from 1925 to 1970 (sustainable use zone) and in 1925 (use zone). This conservation activity has been running well, involved religious scholars, traditional and community leaders and the local government. Harvesting of to...
IOP Conference Series: Earth and Environmental Science, 2021
Dugongs are generally shy animals, so observing their existence is very limited to hundreds of me... more Dugongs are generally shy animals, so observing their existence is very limited to hundreds of meters. In contrast to the behavior of Dugong who lives in the coastal waters of Mali, Kabola Regency, Indonesia. Its uniqueness can interact with humans at a very close distance and can even be on the back. It is, therefore, necessary to explore other behavioral patterns and habits and biophysical habitats of Dugongs as information to maintain their survival. This research aims to find out the behavior and biophysics of dugong habitat in the coastal waters of Mali, Kabola Subdistrict, Indonesia. The study uses direct observation methods in the form of observing the characteristics and biophysical conditions of dugong habitats including (1) determining dugong activity areas using GPS coordinates; (2) observe habitat characteristics and biophysical conditions by observing biotic and abiotic conditions, and (3) measuring physicochemical parameters, namely temperature, salinity, and pH. Next,...
IOP Conference Series: Earth and Environmental Science, 2021
The challenge in developing an ornamental fish culture in Indonesia is the lack of a trusted sour... more The challenge in developing an ornamental fish culture in Indonesia is the lack of a trusted source of information that can be used by the wider community. This lack of information became the reason for the failure of ornamental fish culture, including betta fish. This study aims to design an Android-based betta-fish culture information system that can be used by the wider community. The method used in this study is a mixed-method, through the development of an android application to gather information about betta fish farming. Data collection related to biology aspect and factors that influence betta fish culture is done through secondary data collection. All information collected will be entered into an android-based information system. Android applications will be developed using the Java programming language by using the android studio as the official integrated development environment (IDE) for Android application development. The results of the Android-based betta-fish culture...
This study discusses the isolation and identification of disease-causing fungi in the seeds of Ti... more This study discusses the isolation and identification of disease-causing fungi in the seeds of Tilapia (Oreochromis niloticus) and Catfish (Clarias gariepinus) cultivated in the cultivation pond of Baru Ladang Bambu Village, Medan Tuntung District, North Sumatra. Sampling was carried out as much as 15 fish each. There are four types of fungi that attack tilapia and catfish. The attack rate with the highest species diversity was found in catfish with 4 types of fungi including Aspergillus flavus , Penicillium glabrum, Saprolegnia sp., and Aspergillus niger . Whereas in Tilapia the types of fungi that attack only consist of 2 types, namely Aspergillus flavus and Saprolegnia sp.
IOP Conference Series: Earth and Environmental Science, 2021
Macrobrachium rosenbergii in Riau Province are almost found in all inland waters, especially in t... more Macrobrachium rosenbergii in Riau Province are almost found in all inland waters, especially in the big rivers, namely Indragiri, Kampar, Siak and Rokan. This species are still the main catch of fishermen even the catch has decreased. Deforestation along the watershed, decreasing water quality and habitat have a very bad impact on Macrobrachium rosenbergii. This study was conducted to determine the relationship of carapace length-weight and the condition factor of Macrobrachium rosenbergii in the rivers of Riau Province. The study used a survey method from May to June 2021. Data collection was carried out in the rivers of Riau Province at the center for giant prawns. Sampling was done randomly from the catches of fishermen. The biological parameters measured were carapace length and weight. The results showed that the relationship between carapace length and weight of giant prawns in the Siak River, Rokan River and Kampar River are 0.0008L2.8473, 0.0049L2.3906 and w = 0.0014L2.643, ...
IOP Conference Series: Earth and Environmental Science, 2021
Lakes have an important role in hydrological and biochemical cycle. It also has some other crucia... more Lakes have an important role in hydrological and biochemical cycle. It also has some other crucial role such as domestic and industrial water use as well as irigation. The monitoring and management of this aquatic resources is crucial. But with many numbers of lakes, it is very challenging to manage them all. Clustering lakes can provide the answer so the management of the same cluster lakes may be done efficiently. Within this study, morphometry data of 6 lakes in Kampar Regency, Riau Province, were analyzed by using one of artificial intelligence branch which is machine learning. Morphometrical data are collected by using information geographic system. These data then categorized by using python language. This categorization based on data mining categorization algorithm named K-means. Based on the K-means machine learning clustering, the optimum cluster based on Elbow methid is k=3. But there is a possibility to look around for k=2. Based on K=3, cluster 3 is defined as the lowest...
IOP Conference Series: Earth and Environmental Science, 2021
Riau Province has the Koto Panjang reservoir which is generated from the damming of the Kampar Ri... more Riau Province has the Koto Panjang reservoir which is generated from the damming of the Kampar River flow for hydroelectric power generation and other utilization activities. The increase in community activities in reservoir waters and on land causes water quality dynamics that can affect fish farming activities. The purpose of this study was to determine the dynamics of reservoir water quality. The survey was conducted in March – August 2021 at seven sampling points, where water samples at each sampling point were taken at a depth of 1 m as much as 1 liter using a van dorn water sampler and preserved and analyzed according to standard methods. Data from measurement and analysis were tabulated and analyzed descriptively including temperature, pH, turbidity, TSS, TDS, DO, nitrate, ammonia, total nitrogen, BOD5, COD, and total phosphate. The results obtained indicate that the values of temperature, turbidity, TDS, TSS, pH, DO, ammonia, nitrate, and phosphate are still below the qualit...
Household, industrial, office and various other human activities produce waste. Based on the type... more Household, industrial, office and various other human activities produce waste. Based on the type, waste consists of liquid, solid, gas and B3. Each waste management needs to be carried out sustainable so that it will not damage the environment and human health. This paper aims to find out the effectiveness of plants in aquatic waste management. The method used in this research is literature study in the form of research articles that have been published in related fields. The data found will be analyzed descriptively qualitatively and determine the type of plant that is effective in aquatic waste management and the way plants in degrade hazardous substances that are in the waste. The results of the literature study show that some plants have a special mechanism in reducing hazardous substances contained in waste both actively and passively.
IOP Conference Series: Earth and Environmental Science, 2021
Fish identification in the mainland waters of Riau Province is generally carried out based on mor... more Fish identification in the mainland waters of Riau Province is generally carried out based on morphological characteristics. To identify fish species accurately in a short time, the DNA Barcoding method with a molecular approach is used. Five types of fish were taken from Kampar River and coded as MJ313, PJ36, SJ35, BJ33, and GJ41. The genes of these five fish were amplified, and PCR products were sequenced and analyzed using bioinformatics software. The editing of the sequencing results and the determination of the nucleotide composition were analyzed using Mega5 software. DNA sequences were aligned using the ClustalW software. The sequences obtained are then compared with GeneBank data using Basic Local Alignment Search Tools (BLAST). The results showed that the species with the code MJ313 and GJ41 were Channa striata, PJ36 were Osteochilus hasseltii, BJ33 were Mystus sp. Based on the sample examination, the species coded SJ35 cannot be determined because the marker band is low so...
IOP Conference Series: Earth and Environmental Science, 2021
Mangrove ecosystems naturally function as trap of waste produced from anthropogenic activities in... more Mangrove ecosystems naturally function as trap of waste produced from anthropogenic activities including marine debris. This study aims to analyze marine debris and density of mangrove forests in the Purnama Village. The survey research method was carried out in two stations: Station I (Estuary of Sungai Masjid) and Station II (coastal waters of the Unri Marine Station), which was held from April to July 2021. Marine debris was collected in five plots in a quadrant transect measuring 100 x 50 meter. Identification results of mangrove species in Station I found 3 species of mangrove (Xylocarpus granatum, Rhizophora apiculata and Bruguiera gymnorriza), while at Station II found 3 species of mangroves (Rhizophora apiculata, Xylocarpus granatum and Avecennia alba). This research results obtained the release of marine debris at Station II is more than that of Station I. While in Station II there are 172 items (marine debris density of 0.172 item/m2), weight of marine debris 12.665 grams/...
Fish farming using KJA media is quite developed in Buluhcina village. The development of KJA cult... more Fish farming using KJA media is quite developed in Buluhcina village. The development of KJA cultivation in Buluhcina Village affects the socio-economic aspects of the community. Every economic activity carried out by fish cultivators using KJA media is expected to be profitable and sustainable. The problem in this research is whether the activities that have been carried out so far actually generate benefits for cultivators and the business being carried out is feasible to develop. For this reason, this research needs to be done to see how the financing and economic patterns of aquaculture with KJA media. By using the quantitative descriptive analysis method, the conclusions are obtained, namely: The investment requirement for fish farming using KJA media is IDR 9,025,000 with the largest amount of investment being for timber procurement of IDR 5,675,000; The financing pattern for fish farming using KJA media shows a total financing of IDR 21,027,500, where the largest cost incurre...
Unri Conference Series: Community Engagement, 2020
Community service is an effort to disseminate science, technology and art to society. These activ... more Community service is an effort to disseminate science, technology and art to society. These activities must be able to provide an added value for the community, both in economic activities, policies, and changes in (social) behavior. The goal of community service activities in Farmers Village, Bathin Solapan District is that the community can play an active role in optimizing existing waste banks in order to form a good waste management system, improving the clean culture and economy of the community. The community can take advantage of the organic waste collected from each resident's house which is submitted directly to the waste bank for the composting process. The level of achievement of the program targets carried out in the farmer village of the Inner Solapan sub-district is very good and right on target, this is based on the enthusiasm of the community and the spiritual (adat) chairman in seeing the training process for processing organic waste into compost using a compost...
Jurnal Kebijakan Perikanan Indonesia, 2020
Hutan mangrove merupakan salah satu ekosistem pesisir yang berperan penting dalam mendukung kehid... more Hutan mangrove merupakan salah satu ekosistem pesisir yang berperan penting dalam mendukung kehidupan biota laut. Keberadaan hutan mangrove di Kabupaten Kepulauan Meranti saat ini terus mengalami degradasi yang berimplikasi terhadap menurunnya fungsi ekologis, sosial dan ekonomi masyarakat lokal. Upaya meminimalisir kerusakan hutan mangrove terus dilakukan oleh pemerintah daerah dan masyarakat lokal hingga saat ini. Salah satu upaya yang dapat dilakukan melalui budidaya kepiting bakau dengan sistem sylvofishery. Metode penelitian yang digunakan adalah eksperimen dan wawancara yang dilakukan di Kelurahan Teluk Belitung dan Desa Bandul Kabupaten Meranti. Data dan informasi dihimpun dari penelusuran, dan penelahaan data dan informasi hasil penelitian serta laporan kegiatan yang terkait dengan budidaya kepiting bakau dengan sistem silvofishery. Hasil kajian menunjukkan potensi pengembangan budidaya laut di Kabupaten Kepulauan Meranti tersebar di beberapa pulau seperti Pulau Padang, Tebi...
In recent years, many net cages for aquaculture activities, especially for culturing Wallago leer... more In recent years, many net cages for aquaculture activities, especially for culturing Wallago leeri and Mystus numerus are placed along the Kampar River, especially in the Buluhcina Village . The remain of fish feed, namely rotten chicken flesh have polluted the water. This study aimed to identify the cage culture profile; to analyze the feasibility of the business and the carrying capacity of the environment. This research was conducted in August 2016 – March 2017. There are three observation stations, Station 1 (before the cage area), Station 2 (the cage area) and Station 3 (after the cage area). Sampling was conducted once. The length of the river is 1.4 Km and 594 single unit net cages are placed along 1,2 Km river. Among the cages, 570 units (96% )are used to the culture of W. leeri, 19 units (3.2%) for M. numerus and the rest, 3 units are for rearing Pangasius sp. and Oreochromis niloticus (1 unit). The carrying capacity of the waters is 496.1 tons/year. The current annual pr...
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Papers by Andri Hendrizal