Ditapis dengan
Struktur Komunitas Diatom Epizoik Pada Siput Cerithidea Obtusa Dan Nerita Ar…
ABSTRACT Dumai is one of the cities in Riau Province that has various ecosystems, especially mangrove ecosystems and aquatic ecosystems. Dumai's mangrove ecosystem is still quite good, where in the ecosystem organisms will adapt and have a reciprocal relationship with their environment to survive. Increasing community activities in the area of mangrove ecosystems and waters are closely related…
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- Deskripsi Fisik
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- Judul Seri
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- 1804124507
Struktur Komunitas Diatom Epizoik Pada Kerang Pinna Muricata Di Ekosistem Pad…
ABSTRACT This research was carried out in March 2022, the location of this research is Pandaratan Beach, Central Tapanuli Regency, North Sumatra Province. The purpose of this study was to determine the abundance, relative abundance, diversity index, dominance index and uniformity index of epizoic diatom species in Pinna muricata in the seagrass ecosystem of Pandaratan Beach. The method used is…
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- Deskripsi Fisik
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- 1804110997
Uji Aktivitas Larvasida Ekstrak Daun Bakau Minyak (Rhizophora Apiculata) Ter…
Abstract Temephos is the most commonly used synthetic larvicide to control vectors of several diseases. Currently in some areas there has been resistance of larvae to temephos, so natural larvicides are needed as an alternative. Rhizophora apiculata contains flavonoid compounds that are respiratory toxins to some larvae. This research was conducted in March - Juny 2022, to determine the inhibi…
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- Deskripsi Fisik
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- Judul Seri
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- 1504111975
Kelimpahan Ikan Karang Famili Chaetodontidae Dan Kondisi Terumbu Karang Di Pe…
Abstract The Chaetodontidae family fish is an indicator species because it has a close relationship with coral reefs based on a strong preference for coral stone as the main component of coral reefs. The existence of these fish can be used as a guide to assess and monitor the condition of coral reefs. This study was conducted in March 2022. The purpose of this study was to determine the abunda…
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- 1804110537
Studi Kerentanan Wilayah Pesisir Kota Dumai Provinsi Riau
Abstract Research on the vulnerability study of the coastal area of Dumai City, Riau Province. The purpose of this study was to determine the assessment and category of vulnerability levels, as well as to calculate the parameters that affect coastal vulnerability. The method used a survey method with direct observation, while the analytical method used CVI calculation, the root of the multipli…
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- 1804111638
Komposisi Sedimen Pantai Di Pulau Pasumpahan Kota Padang Sumatera Barat
ABSTRACT This research was conducted in January-June 2022, at Pasumpahan Island, Padang City, West Sumatera. Data analysis was carried out at Chemical Oceanography Laboratory, Faculty of Fisheries and Marine, University of Riau .This research aims to determine the type of sediment composition and organic material in Pasumpahan Island. Sediment was taken using a grab sampler from 4 stations, wh…
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- 1804124388
Analisis Densitas Zooxanthella Pada Karang Acropora Sp Di Perairan Pulau Tal…
Abstract Coral reefs are a unique ecosystem of tropical waters that have physical function as a beach protector with its nature that can reduce the energy of waves moving towards the coast. Coral reef ecosystems are a good places for spawning, nurturing and food sources for fish. The aim of this research was to determine the density of zooxanthella on coral Acropora sp based on different depth…
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- Deskripsi Fisik
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- Judul Seri
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- 1804112531
Pengaruh Larutan Daun Kirinyuh (Euphatorium Odoratum) Dengan Dosis Berbeda Te…
ABSTRACT This research was conducted on April - May 2021, at Fish Hatchery and Breeding Laboratory of Fishery and Marine Science Faculty of Riau University. The aim of this research was to determine the effect of Kirinyuh leaf (Euphatorium odoratum) solvent and the optimal dose on hatching rate of tambaqui larvae (Colossoma macropomum). The method used was a Completely Randomized Design Factor…
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- Judul Seri
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- 1504111270
Pengaruh Pergantian Dan Kombinasi Pakan Terhadap Pertumbuhan Dan Kelulushidup…
ABSTRACT The research was conducted on 01 April 2022 - 10 May 2022 at Fish Breeding and Breeding Laboratory, Faculty of Fisheries and Marine, University of Riau. The research aims to determine the effect of the best type of feed (Tubifex sp., Water Fleas or Artificial Feed) best to replace initial feed (Artemia sp.) and best combination of feed on growth and survival rate of Catfish larvae (Pan…
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- 1504110387
Analisis Produksi Dan Pendapatan Usaha Ikan Napoleon (Cheilinus Undulatus) Pa…
ABSTRACT This research was conducted in October 2021 in Sedanau Village, West Bunguran District, Natuna Regency, Riau Islands Province. The purpose of this study is to analyze the efficiency of the use of production inputs, farmers' income, and the break even point (BEP). This study uses a survey method with the number of respondents as many as 30 Napoleon fish cultivators. Determination of the…
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- 1704123178
Analisis Usaha Alat Tangkap Jaring Insang Tengah (Midwater Gillnet ) Kecamata…
ABSTRACT The research on Business Analysis of Middle Gillnet Catching Equipment (Midwater Gillnet) in Bukit Batu District was carried out from 17 to 27 April 2021, located in Dompas, Sejangat and Pakning Asal villages. The purpose of this study is to analyze the total investment issued, calculate net income and find out the feasibility of the fishing business. The total number of fishermen who…
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- 1604123790
Valuasi Ekonomi Sungai Kampar Untuk Perikanan Di Desa Buluhcina Kecamatan Sia…
ABSTRACT The potential of the Kampar River ecosystem in Buluhcina Village is utilized for capture fisheries activities by fishermen and KJA aquaculture by cultivators so that it can be of economic value. This study aims to estimate the potential of the Kampar River ecosystem in Buluhcina Village by analyzing the economic value of its utilization for capture fisheries and marine cage aquacultur…
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- 1704113458
Adsorpsi Ion Tembaga (Cu2+) Menggunakan Adsorben Serat Daun Nenas
ABSTRACT The development of industry has a positive effect in the form of increasing the national economy, but has a negative effect, namely heavy metal waste pollution. Copper ion (Cu2+) is one of the causes of polluted environment. The maximum limit of copper ions (Cu2+) allowed in environmental water according to the PERMENKES RI NO.492/MENKES/PER/IV/2010 is 1.0 mg/l. Pineapple leaf fiber h…
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- 1907036546
Adsorpsi Ion Tembaga (Cu2+) Menggunakan Adsorben Serat Daun Nenas
ABSTRACT The development of industry has a positive effect in the form of increasing the national economy, but has a negative effect, namely heavy metal waste pollution. Copper ion (Cu2+) is one of the causes of polluted environment. The maximum limit of copper ions (Cu2+) allowed in environmental water according to the PERMENKES RI NO.492/MENKES/PER/IV/2010 is 1.0 mg/l. Pineapple leaf fiber h…
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- Judul Seri
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- 1907036550
Rancang Bangun Pengatur Suhu Otomatis Untuk Peternakan Ayam Broiler Berbasis …
ABSTRACT This final project discussed abaout the design of an automatic temperature controller broiler for chicken broiler farm based an arduino uno as controller, LM35 as temperature sensor,light as heater and electric fan as cooler. The temperature required for broiler chicken is between 30ᵒC - 33ᵒC. if the temperature is above 33ᵒC then the electric fan will be active, if the temperat…
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- 1707035935
Rancang Bangun Alat Pengupas Dan Pemotongbawang Merah
ABSTRACT In modern times like this in the name of electronic devices are needed by humans to facilitate daily activities. For example, onion cutting and peeling tools to facilitate activities at the age who are doing work, so that there is no need to cut and peel onions manually so that they cause a lot of wounds and pain on the eyes when cutting, therefore with the presence of this tool can r…
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- 1707035845
Rancang Bangun Alat Pengusir Hama Tikus Menggunakan Gelombang Ultrasonik
ABSTRACT Technology is applied to simplify every means needed for human survival. Indirectly technology has reduced humans needs in some routine activities that are usually carried out. The rapid development of technologyandits application in all fields can be a solution to solve problems faced by humans, one of which is pets at home. This tool utilizes a series of astable multivibrator IC 555…
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- 1707035857
Smart Toilet
ABSTRACT In general, toilets in Indonesia still use a manual system. Especially on the lighting system and toilet indicators are in use. Turning on the lights using a switch that you forgot to turn off has an impact on wasting electrical energy. Then it often happens that toilet users do not know the toilet is being used or not. This problem requires a solution or solution by updating the toile…
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- 1707035862
Pemanfaatan Tandan Kosong Sawit Dan Spent Bleaching Earth Sebagai Bahan Baku …
ABSTRACT The escalation of the human population and industrial activities induced the availability of energy sources to reduce. This energy crisis forced humans to save and look for alternative energy sources. The utilization of empty palm oil bunches waste was expected to be one of the solutions to overcome this energy crisis. The empty palm oil bunch waste and spent bleaching earth were empl…
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- 1507114990
Prarancangan Pabrik Metanol Dari Gliserol Dengan Disain Alat Utama Reaktor Ne…
ABSTRACT Methanol plant from glycerol is a good prospect in Indonesia. Until 2021, methanol is only supplied by one methanol producer located in East Kalimantan, namely PT. Kalimantan Timur with a production capacity of 660,000 tons/year. Therefore, the methanol plant from glycerol has a very important meaning for the acquisition of foreign exchange as well as employment. This article presents…
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- 1607112075
Karya Umum 
Filsafat 
Agama 
Ilmu-ilmu Sosial 
Bahasa 
Ilmu-ilmu Murni 
Ilmu-ilmu Terapan 
Kesenian, Hiburan, dan Olahraga 
Kesusastraan 
Geografi dan Sejarah