Ditapis dengan
Estimasi Stok Karbon Pada Pohon Karet Di Kebun Karet Desa Rimbo Panjang, Keca…
Rubber plants are one off the plantation crops that have ability to absorb carbon quite high. This research aims to 1) Knowing the stand structure in rubber plantations in Rimbo Panjang Village; 2) Estimate carbon stocks in rubber plantations in Rimbo Panjang Village; 3) Describe the Rubber Plantation in Rimbo Panjang that has the highest carbon stock value. Observations of rubber plantations w…
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- 2003113108
Nilai Taksonomi Karakteristik Histokimia Rimpang Dari Lima Genus Anggota Zing…
The members of Zingiberaceae have aromatic rhizomes that are widely used in traditional medicine. The histochemical characteristic of rhizomes can be used as taxonomic marker. This sudy aims to provide data on the histochemical character of rhizomea of five genera of Zingiberaceae member in Pekanbaru Riau that have taxonomic value. The histochemical was carried on amylym, lipids, alkaloids, fla…
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- 2103110684
Isolasi Dan Seleksi Bakteri Toleran Logam Berat Pb (Timbal) Dari Tanah Tercem…
The primary source of heavy metal Pb pollution in the environment, which significantly affects water quality and soil engineering properties, is waste from automotive workshops. Bacteria isolated from Pb contaminated environments have shown tolerance to Pb and the ability to accumulate or reduce Pb heavy metal content. This study aimed to isolate and characterize indigenous Pb tolerant bacteria…
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Seleksi Potensi Bakteri Endofit Paku Laut (Acrostichum Aureum) Sebagai Agen B…
Rice production in Indonesia remains relatively low, partly due to suboptimal fertilization practices. One alternative that can be used is biofertilizer, which contains live microbes that help supply essential nutrients needed by rice plants, such as nitrogen (N), phosphorus (P), and potassium (K). This study aims to select endophytic bacteria from sea ferns originating from Meranti based on th…
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- 2103135683
Uji Aktivitas Antimikroba Ekstrak Metabolit Sekunder Fungi Endofit Mangifera …
Microbial infections caused by pathogenic microbes have become an increasingly serious global health concern, particularly due to the rise of microbial resistance to antibiotics. An alternative solution is being explored by investigating bioactive compounds from endophytic fungi of mango macang (Mangifera foetida), which are capable of producing secondary metabolites with potential antimicrobia…
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- 2103113239
ISOLASI DAN IDENTIFIKASI BAKTERI AKUMULASI LOGAM BERAT TIMBAL (Pb) PADA IKAN …
ABSTRACT Koto Panjang Reservoir was built in early 1993 with the main purpose as a hydroelectric power plant (PLTA). The reservoir area of around 12,400 Ha is widely used for various other purposes, including flood control, transportation, tourism and fisheries. The fisheries business that is quite developed in the Koto Panjang Reservoir is fish farming in floating net cages (KJA). The uti…
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- 2005113055
Identifikasi Dan Prevalensi Ektoparasit Pada Sapi Di Peternakan Sapi Wilayah …
The presence of ectoparasites in cattle is one of the key factors affecting livestock health and productivity. As a region with a growing small-scale cattle farming sector, Pekanbaru City requires updated information regarding the prevalence and types of ectoparasites infecting cattle. This study aims to identify ectoparasite species and determine their prevalence and infestation intensity in c…
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- 2103112287
Struktur Vegetasi Mangrove Di Sungai Kembung Luar Dan Sungai Jangkang, Pulau …
The Kembung Luar and Jangkang rivers are the two largest on Bengkalis Island and have mangroves along their banks. This study aims to conduct an inventory of mangrove species richness, analyze mangrove vegetation structure, calculate diversity index values, and identify anthropogenic activities affecting the mangroves in the two rivers. Line transects and nested plots with purposive sampling we…
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- 2003112657
Isolasi Dan Potensi Jamur Fusarium Spp. Endofit Sebagai Induktor Pembentuk Ga…
Agarwood or gaharu, is a high-value forest product that can only be formed by trees from the genus Aquilaria and Gyrinops. The demand for agarwood continues to increase however natural formation process takes a long time, and only about 7–10% of trees are capable of producing agarwood. This has led to the exploitation of agarwood-producing trees, thereby threatening their population. One meth…
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- 2103112289
Efek Pemberian Akrilamida Terhadap Histologi Ginjal Tikus Putih Wistar Rattu…
Acrylamide is a hazardous chemical compound formed in food through high- temperature cooking processes, particularly in foods rich in carbohydrates and proteins. This compound is toxic, carcinogenic, and neurotoxic, and may trigger kidney damage. This study aimed to determine the effect of acrylamide administration on the histological structure of the kidneys in Wistar rats (Rattus norvegicus B…
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- 2003112676
Uji Aktivitas Antibakteri Mikroba Endofit Paku Sarang Burung (Asplenium Nidus…
Acne is one of the common skin diseases found in Indonesia. Acne or Acne vulgaris occurs due to infection or inflammation of the polysebaceous caused by blockage and accumulation of keratin material triggered by the presence of Propionibacterium acnes bacteria. Current acne treatment uses a lot of synthetic antibiotics, as a result if used for a long period of time it can increase resistance so…
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Uji Homogenitas Tanaman Kacang Hijau (Vigna Radiata L.) Varietas Srikandi Dan…
This study aimed to evaluate the homogeneity of mung bean (Vigna radiata L.) cultivars Srikandi and Asri developed through plant breeding, to support the development of superior varieties that are stable and uniform. The research was conducted at the Biology Field Garden, Faculty of Mathematics and Natural Sciences, University of Riau from December 2024 to April 2025 using a Randomized Complete…
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- 2103113148
Komposisi Jenis Dan Kepadatan Cacing Tanah Di Perkebunan Jagung Di Desa Tarai…
Earthworms are one of the macrofauna that are widely found and often found on plantations in Indonesia. However, almost all plantations today use a wide variety of chemicals such as fertilizers and pesticides, which, in addition to the weed- weeding process, can damage the ecosystem of soil animals, which is very important in the decomposition process. This study aims to determine the compositi…
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- 2003113130
Studi Populasi Macan Dahan (Neofelis Diardi) Dengan Bantuan Kamera Jebak Di P…
The clouded leopard (Neofelis diardi) population is currently in a very alarming and endangered condition. This study aims to determine the population structure of clouded leopards in the Bukit Tigapuluh. The research was conducted from November 2024 to January 2025 at Pt Alam Bukit Tigapuluh in 4 different phases, namely phase 1 in October 2020-January 2021, phase 2 in July 2021-November 2021,…
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- 2103110045
Struktur Ginjal Ikan Baung Hemibagrus Nemurus (Valenciennes, 1840) Dari Perai…
The Siak River experienced lead (Pb) heavy metal pollution in January 2024 ranging from 0.072 - 0.113 mg/L. Very high Pb levels affect the structure of fish organs, especially the kidneys. This study aims to determine the Pb levels in the waters of the Siak River and changes in the macroscopic and microscopic structure of the kidney organs of the catfish Hemibagrus nemurus (Valenciennes, 1840).…
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- 2103111476
Pengaruh Interval Penyiraman Terhadap Pertumbuhan Vegetatif Tanaman Rosella (…
Rosella (Hibiscus sabdariffa L.) merupakan tanaman herbal potensial, yang umumnya dibudidayakan pada musim penghujan karena membutuhkan air yang cukup di fase vegetatifnya. Namun, perubahan iklim menjadi tantangan dalam pembudidayaan tanaman rosella karena dapat memicu kondisi cekaman kekeringan, sehingga perlu dilakukan pengaturan interval penyiraman. Pengaturan interval penyiraman tidak hanya…
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Identifikasi Profil Fitokimia Daun Tampoi (Baccaurea Macrocarpa (Miq.) Mull.A…
Tampoi leaves (Baccaurea macrocarpa (Miq.) Mull.Arg.) are known to contain various secondary metabolites that contribute to their biological activities, including antioxidant and antibacterial properties, as well as the ability to enhance erythrocyte and hemoglobin levels. This study aimed to comprehensively identify the phytochemical profile of tampoi leaves as a basis for understanding the me…
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- 2103113880
Kajian Anatomi Dan Histokimia Daun Dadap Merah (Erythrina Crista-Galli L.)
Dadap merah (Erythrina crista-galli) is a plant from the Fabaceae family which has a tree habitus and trifoliate compound leaves. Dadap merah leaf have potential as medicinal plants. This study aims to characterize the anatomical structure and determine the content of metabolite compounds in dadap merah leaves. Methods used were the paraffin method, the paradermal, and histochemistry. The anato…
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- 2103113139
Perkecambahan Dan Pertumbuhan Biji Anggrek Hutan Bunga Kuning (Coelogyne Roch…
Coelogyne rochussenii is a native Indonesian orchid species threatened with extinction due to widespread illegal harvesting from its natural habitat. Therefore, conservation efforts are essential, including propagation through in vitro culture. The Vacint and Went (VW) medium is a commonly used basic medium for orchid propagation in vitro. Still, it lacks vitamins, requiring the addition of org…
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Studi Etnobotani Masyarakat Desa Segamai Kecamatan Teluk Meranti, Kabupaten P…
The relationship or connection between a community's culture and the surrounding plant life is known as ethnobotany. Knowledge about the utilization of biodiversity varies in its practices, such as for food, traditional medicine, cultural rituals, and construction materials. One area that still practices traditional knowledge is Segamai Village. This research aims to (1) Gather information abou…
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Karya Umum 
Filsafat 
Agama 
Ilmu-ilmu Sosial 
Bahasa 
Ilmu-ilmu Murni 
Ilmu-ilmu Terapan 
Kesenian, Hiburan, dan Olahraga 
Kesusastraan 
Geografi dan Sejarah