Ditapis dengan
Pola Lingkaran Pertumbuhan Pada Otolith Ikan Alu-Alu (Sphyraena Spp.) Di Pera…
Abstract Sphyraena spp. or known as alu-alu fish is a type of pelagic fish that inhabits the Sibolga waters. This type of fish characterized by its long body and a long upper jaw. The purpose of this study was to find out the growth pattern of the fish as reflected in the growth ring patterns in the otolith of those fishes. The fish was sampled in the Sibolga waters, once/ month, May to July 2…
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- Judul Seri
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- 1804112171
Identifikasi Dan Uji Fitokimia Spirullina Sp. Dari Perairan Rawa Gambut Di Ka…
Abstract Pelalawan Regency is one of the areas that has quite extensive peatlands in Riau Province, Indonesia. One of the organisms that can live and thrive in peat swamp waters is a group of microalgae. This research was conducted to determine the type and phytochemical content of microalgae which had the largest population in peat swamp waters, and to observe their growth due to the influenc…
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- 1804112486
Produksi Dan Laju Dekomposisi Serasah Pada Ekosistem Mangrove Di Desa Rawa Me…
Abstract One of the village in Sungai Apit District is Rawa Mekar Jaya Village. Desa Rawa Mekar Jaya has an area of about 16,000 ha, with a mangrove forest area of about 25 ha. Rawa Mekar Jaya, as one of the mangrove growth areas, is thought to have provided a sufficient supply of litter for aquatic organisms. This study aims to determine litter production and litter decomposition rate in mang…
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- 1604115530
Jenis Dan Kerapatan Tumbuhan Air Di Danau Tanjung Kudu Desa Tanjung Kudu Keca…
ABSTRACT Lake of Tanjung Kudu belongs to the type of oxbow lake which is located in Tanjung Kudu Village, Siak Hulu District, Kampar Regency, Riau Province. The environmental conditions of Tanjung Kudu Lake are heavily influenced by community activities such as plantation activities, animal husbandry, and fishing activities (fishing). In Tanjung Kudu Lake, various macrophytes grow, due to the …
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- 1604111125
Perbandingan Morfoanatomi Ikan Kapiek (Barbodes Schwanenfeldii) Yang Dipeliha…
Abstract Barbodes schwanenfeldii is an opportunist fish that are able to feed mainly on spilled pellets from the floating net aquaculture and this they may be reared in the 2nd layer of floating net cage (the outer layer net). To understand the ability of the outer net reared fish to use the spilled pellets for supporting their life and to reproduce, a study on the morphoanatomy of the fish ha…
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- 1604115688
Jenis Dan Kelimpahan Perifiton Pada Substrat Alami (Batu) Di Anak Sungai Hija…
ABSTRACT Perifiton merupakan mikroorganisme yang hidup menempel pada substrat yang tenggelam, perkembangan perifiton dipandang sebagai proses akumulasi, yaitu proses peningkatan biomassa dengan bertambahnya waktu. Penelitian ini bertujuan untuk mengetahui jenis dan kelimpahan perifiton yang menempel pada substrat alami yang telah dilakukan pada bulan Februari-Maret 2023 di anak Sungai Hijau. P…
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- 1604115728
Status Kesuburan Perairan Berdasarkan Klorofil- A Di Danau Diatas Kabupaten S…
Abstract Aquatic trophic status is needed in efforts to manage sustainable waters and to determine chlorophyll-a in a water. The aim of this study was to determine the concentration of chlorophyll-a as an indicator of aquatic trophic status in Diatas Lake and to determine the condition of the waters based on parameters related to the survival of phytoplankton. This research was conducted in De…
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- 1904110902
Jenis Dan Kepadatan Bivalvia Pada Ekosistem Mangrove Desa Sungai Piring Kecam…
Abstract Mangrove ecosystems are brackish forests or mangrove forests that affect macrofauna diversity. One of the types of such macrofauna is the bivalve type. Bivalves have an essential role in the food chain. The role of bivalves is as a detritus feeder and plays a role in the decomposition of mangrove litter. This study is to determine the type and density of bivalves in the mangrove ecosy…
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- 1804111079
Jenis Dan Kelimpahan Plankton Pada Budidaya Ikan Patin (Pangasionodon Hypopth…
ABSTRACT Rearing Pangasionodon hypopthalmus in the dark media improved the growth of the fish. However, the lack of sunlight may hamper the growth of plankton and thus negatively affects the water quality as there was no organism that absorb organic materials in the water. To understand the type and abundance of plankton that were present in the media with manipulated photoperiod and completed…
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- 1704113273
Isolasi Dan Uji Biokimia Mikroalga Di Area Keramba Jaring Apung Waduk Koto Pa…
Abstract Identification, isolation, and analysis of the biochemical content contained in microalgae. This research was conducted from June to September 2022. The survey method was used, and the data obtained were analyzed descriptively and quantitatively. Primary data collection was carried out by observing in the field and analyzing in the laboratory, while secondary data was obtained from bo…
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- 1804112525
Kondisi Eksisting Pemanfaatan Sumberdaya Perikanan Tangkap Berbasis Kearifan …
ABSTRACT In the Tambak Village, there is a traditional fish auction activity called “pajak”. This activity was conducted once/ year and aims to manage the fishery resources in those areas based on the local wisdom. This activity was applied for catching fish in the rivers as well as the lakes present in that village. Unfortunately, the rivers and lakes in that village were threatened due t…
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- 1804110248
Beban Pencemaran Di Sungai Sibam Kota Pekanbaru Provinsi Riau
Abstract In the area along the river bank of the Sibam River, there were residential areas, sand mining, and oil palm plantations activities that generate waste that enter that river. To understand the water quality and pollution loads in the Sibam River, a research was conducted in June-August 2022. There were 3 sampling areas, in the upstream, middle area, and in the downstream of the river.…
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- 1804123882
Struktur Komunitas Meiofauna Di Kawasan Mangrove Kecamatan Dumai Barat
Abstract In the West Dumai District there were mangrove ecosystems that shown different condition. In the mangrove area around the Marine Station of the Riau University was in good condition and it was frequently inundated by water from the Masjid River. While the mangrove in the Bandar Bakau Tourism area was negatively affected by anthropogenic activities conducted in that area. To understand …
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- 1704113446
Kualitas Air Sungai Rawa Di Desa Rawa Mekar Jaya Kecamatan Sungai Apit Kabup…
Abstract The Rawa River is one of the rivers in Sungai Apit District, Siak Regency. The head of the Rawa River is in the Zamrud Lake and its estuary is in the Panjang Strait or Lalang Strait. IKA-NSF is a water quality assessment index to analyze the good and bad water quality for the survival of aquatic organisms. The purpose of this study to determine the quality of the Rawa River in Rawa Mek…
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- 1704110785
Keanekaragaman Jenis Ikan Di Danau Kebun Nopi Kecamatan Kuantan Mudik Kabup…
ABSTRACT Kebun Nopi Lake is a man-made lake that is constructed by damming the Kuning River. This lake is inhabited by many type of fish species. However, the information on the type of fish in that area is limited. A study aims to identify and inventory the types of fish caught in the Kebun Nopi Lake has been conducted on March 2022. Sampling was carried out 3 times. The fish was captured usi…
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- 1804110478
Biologi Reproduksi Ikan Alu-Alu (Sphyraena Spp.) Dari Perairan Sibolga Sumate…
Abstract Sphyraena spp is a type of seawater fish that commonly inhabit the waters of Sibolga, North Sumatra. A study aims to understand the reproductive biology of Sphyraena Spp has been conducted. The fish was sampled 3 times, once/month, from May-July 2022. Parameters measured were sexual characteristics, sex ratio, gonad maturity level, gonad somatic index (GSI), fecundity and egg diameter.…
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- 1804112309
Biodiversitas Ikan Di Danau Daek Desa Teluk Kinidae Kecamatan Tambang Kabupat…
Abstract Daek Lake is an oxbow lake which was formed due to the interruption of the meander flow at one time there was silting at the turn. Lake Daek is a habitat for various species of fish. However, research had never been done in Daek Lake so there is no information about what fish in the lake. This study aims to determine types of fish in this lake, both ornamental or consumption fish. A s…
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- 1804110472
Identifikasi Mikroalgae Dari Perairan Kolam Tanah Di Kota Pekanbaru
Abstract In the earthen ponds that are used for rearing fish, the presence of fish pellets remains and fish feces increase the organic material contents and thus support the life of microalgae. As there are many potential microalgae, a study aims to understand the types of microalgae presence in the pond waters were conducted on September-December 2021, located in the earthen pools in Pekanbar…
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- 1704122557
Keanekaragaman Jenis Dan Persen Penutupan Tumbuhan Air Di Danau Parit Kecamat…
Abstract Parit Lake is one of the Oxbow Lakes located in Parit Baru Village, Tambang District, Riau Parovince. The lake is overgrown with various kinds of aquatic plants that almost cover the surface of the lake. This study aims to determine the diversity and percent covers of aquatic plants carried out in July 2022. The method use in this study is a survey method, where Parit Lake is used as …
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- 1804195461
Status Kesuburan Perairan Berdasarkan Klorofil-A Di Wilayah Pesisir Kecamatan…
Abstract The Coastal Area of West Dumai District is part of the East Coastal area of Sumatra Island which is influenced by anthropogenic activities. These activities can affect water quality. This study aims to determine the concentration of chlorophyll-a as the status of aquatic trophic. This research was conducted in March-April 2022 in the Coastal area of West Dumai District, Riau Province.…
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- 1804124284
Karya Umum 
Filsafat 
Agama 
Ilmu-ilmu Sosial 
Bahasa 
Ilmu-ilmu Murni 
Ilmu-ilmu Terapan 
Kesenian, Hiburan, dan Olahraga 
Kesusastraan 
Geografi dan Sejarah