Ditapis dengan
Kondisi Limnologi Sungai Selodang Di Desa Sungai Selodang Kecamatan Sungai Ma…
ABSTRACT Selodang River is a distributary channel originated from the Mandau River. Along the river of the Selodang River, there are palm and rubber plant plantations activities. During the rainy season the run off water may carry organic materials originated from the plantations and it is potencial to increase the organic matter of the water and thus affect the limnological condition of the w…
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Kondisi Perairan Sungai Win Di Kecamatan Kampar Kiri Tengah Kabupaten Kampar
Abstract Rivers play a very important role in meeting daily needs, such as for tourism activities, PDAM, transportation route infrastructure as well as for drinking water, bathing, washing places, and fish cultivation needs. One of the rivers in Riau Province which also plays an important role in people's lives is the Win River. The purpose of this study was to determine the condition of the w…
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- 1504115558
Studi Komparatif Isi Lambung Ikan Kapiek (Puntius Schwanefeldii) Dalam Keram…
ABSTRACT Puntius schawanefeldii is one of common fish in the Koto Panjang Dam. This fish commonly present around the floating cage culture area. Small P. schawanefeldii sometimes enter the culture cages and become trapped in the cages as they grew up. Farmers used to remove the trapped fish and put them in the cage around the cage culture area. The net caged P. schawanefeldii were not given an…
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- 1504111425
Pola Pertumbuhan Ikan Motan (Thynnichthys Thynnoides) Di Danau Kebun Nopi Kec…
ABSTRACT Thynnichthys thynnoides is a freshwater fish found in Danau Kebun Nopi. This fish has economic value and is often caught by fishermen. A study aims to determine the growth pattern of Thynnichthys thynnoides. The study used a survey method. Sampling was carried out 4 times from March-April 2022. The results showed that 107 fish captured consist of 39 females and 68 males. Thynnicht…
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- 1804112238
Kondisi Ekosistem Hutan Mangrove Dan Kegiatan Perikanan Di Kampung Rawa Mekar…
Abstract The mangrove forest area in Rawa Mekar Jaya Village as a whole has an area of 25 hectares. The condition of this mangrove forest used to be damaged, but in 2012 the mangrove forest in Rawa Mekar Jaya Village was designated as a conservation area, the mangrove ecosystem of Rawa Mekar Jaya Village is also used by the local community for capture fisheries activities, especially catching …
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- 1704122094
Toksisitas Pb Dan Cd Terhadap Pertumbuhan Dan Kandungan Klorofil-A Dunaliella…
Abstract Dunaliella sp is one of primary producer that play an important role in food chain. Pb and Cd are non-essential heavy metals that are toxic to aquatic organisms. This study aimed to determine the toxicity of Pb and Cd on Dunaliella sp based on IC50, LOEC, and NOEC values and chlorophyll-a content after Pb and Cd in Dunaliella sp. The research was conducted in March-May 2022 at the Was…
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- 1804110516
Struktur Komunitas Bivalva Di Perairan Pesisir Teluk Sungai Pisang Kecamata…
Abstract Bivalve is commonly inhabit the coastal waters of the Sungai Pisang Bay. A research aims to understand the structure of bivalve community in this area was conducted in February – April 2021. The bivalve samples were collected manually at 3 stations. In each station, there were one belt transect that consisting 10 sampling plots (1m x 1m). Sampling was conducted twice, once/ mont…
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- 1504114667
Karakterisasi Isolat Chlorella Sp. Dari Sungai Rawa Kawasan Taman Nasional Za…
Abstract Chlorella sp. is one of the aquatic plants that play an important role in the environment as primary producer. One of the advantages of Chlorella sp. Some species are able to survive in various types of waters including peat, brackish swamps, rivers and lakes. Microalgae contain oil (lipids), carbohydrates, proteins with very wide variations in composition which can be used as a renew…
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- 1504115129
Struktur Komunitas Zooplankton Di Perairan Pesisir Sungai Pisang Kecamatan Bu…
Abstract Zooplankton has an important role in the waters as a link between primary producers and lower trophic levels. This study aims to determine the structure of the zooplankton community in the coastal waters of the Pisang River, Bungus Teluk Kabung District, Padang City. This research was conducted in February 2021 using a survey method. The sample analysis of zooplankton community struct…
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- 1504114945
Identifikasi Dan Isolasi Mikroalgae Dari Sungai Sail Kecamatan Lima Puluh, Ko…
Abstract Sail River is a sub-watershed of the Siak River in Pekanbaru City with various community domestic activities that cause the waters to be polluted by waste. One of the organisms that is tolerant of poor water quality is microalgae. The aims of this research to determine the potential microalgae in the Sail River. This research was conducted in September-December 2021 using a survey met…
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- 1704113301
Efek Cu Dan Cr Terhadap Pertumbuhan Dan Kandungan Klorofil-A Cyclotella Sp.
ABSTRACT The research was conducted from Maret until April 2022 at the Laboratory of Waste Treatment, Aquatic Resource Management, Universitas of Riau . The purpose of this research was to determine the 96-h IC50, LOEC, NOEC and the chlorophyll-a content after the exposure of chromium and copper to microalgae Cyclotella sp. The result showed that 96-h IC50 value of chromium and copper for grow…
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- 1804110628
Kualitas Air Pada Budidaya Ikan Patin (Pangasionodon Hypopthalmus) Dengan Man…
ABSTRACT Culturing Pangasius hypopthalmus in dark condition improved the fish growth, however the water quality of the culture media was poor due to the lack of phytoplankton that are able to consume organic material originated from uneaten feed and metabolic waste. The use of plant in the aquaponics system may be able to absorb the organic materials and thus improve the water quality. A …
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- 1704121982
Bioekologi Ikan Sepat Siam (Trichopodus Pectoralis) Di Danau Tuok Tengah Desa…
Abstract Trichopodus pectoralis or siamese gourami is one of the freshwater fish that inhabit the Tuok Tengah Lake. This study aims to determine the bioecology of the siamese gourami which includes the ecological factors of the abiotic environment, including temperature, brightness, pH, dissolved oxygen, free carbon dioxide, ammonia, nitrate and phosphate in Lake Tuok Tengah. The study was cond…
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- 1504110855
Kualitas Air Sungai Tenayan Bagian Hilir Wilayah Kota Pekanbaru Provinsi Riau…
Abstrak The Tenayan River is one of the tributaries in the Pekanbaru City area of Riau Provincewhich is influenced by the tides. The purpose of this study was to determine the quality of the waters of the downstream Tenayan River at high and low tides. This research was conducted in June-August 2021. The collection was carried out once a month during the peak full moon and at low tide. The res…
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- 150113623
Morfoanatomi Ikan Patin (Pangasianodon Hypophthalmus) Yang Dipelihara Dengan …
Abstract Pangasianodon hypophthalmus may grow well in short photoperiod/ dark condition. Unfortunately the dark conditionhampered thephytoplankton growth andcausingwater quality decrement.The application of biofloc system is expected to improve the water quality andenable fish to grow well and healthyas shown by its morphoanatomical condition. A factorial CRD design with 2 factors, namely biof…
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- 1504115950
Identifikasi Jenis Dan Kelimpahan Mikroalga Dari Sungai Rawa Kawasan Taman Na…
ABSTRACT In the Rawa River, Zamrud National Park, Siak, there are many types of microalgae. This study aims to dtermine the types of microalgae that exist in Rawa River. A study aims to understand the microalgae that are potencial for bioethanol raw materials has been conducted on March – April 2021. Microalgae samplings were conducted in 9 stations placed in the upstream – downstream of t…
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- 1504115554
Komparasi Kelimpahan Fitoplankton Perairan Mangrove Dan Perairan Terbuka Di P…
ABSTRACT Phytoplankton is a organisms with characteristic as primary producers and bioindicator of marine and fresh waters. Mangrove waters and open waters generally have different characteristics of ecosystem and organism that live in these waters. The research aim to determine the difference of phytoplankton in mangrove waters and open waters including diversity, uniformity, and dominance of…
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- 1504110182
Biodiversitas Ikan Di Danau Gatal Kabupaten Rokan Hilir Provinsi Riau
Abstract Gatal Lake is a natural lake that receive water from the Rokan River during the rainy season. This lake is inhabited by many fish species. However, the information about the type of fish in that area is limited. To understand the types of fish present in the Gatal lake, a study has been conducted in November 2021 to March 2022. Fish sampling were conducted once a week / month until no…
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- 1704110742
Struktur Komunitas Kepiting Biola (Uca Spp.) Di Kawasan Ekowisata Mangrove Ka…
ABSTRACT As a detritus consumer, the presence of fiddler crabs (Uca spp.) is related to the environmental condition, including the mangrove condition in that crab’s habitat. A research aims to understand the structure of fiddler crab community in the mangrove ecosystem in the Mengkapan mangrove ecotourism area was conducted in January – February 2021. There was 3 stations in the study area…
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- 1504110407
Kualitas Sungai Air Hitam Bagian Hilir Kota Pekanbaru Provinsi Riau Pada Kond…
ABSTRACT The purpose of the study was to determine the quality of water in Air Hitam River at the tide and low conditions. Sampling is carried out as many as three times with a time interval of once every month for three months. Sampling is carried out at high tide and low tide based on the application of world tide software to estimate the tide. Water quality measurements are temperature, sal…
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- 1504113402
Karya Umum 
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