Identifikasi Jenis Dan Kelimpahan Sampah Lautpada Kawasan Ekowisata Mangrove …

Marine waste is persistent solid material, which is discarded and left in the marine environment or also comes from waste originating from residential activities in coastal areas which are carried by floods flowing to coastal areas and the sea, but in the end the waste will be exposed to coastal areas carried by Mangrove forests have benefits and an important role in maintaining coastal eco…

Kelimpahan Bakteri Nitrosomonas Sp. Dan Nitrobacter Sp. Di Waduk Plta Koto Pa…

The Koto Panjang hydropower reservoir is used for various functions (multipurpose reservoirs), one of which is the cultivation of floating net cages (KJA). This cultivation activity has an impact in the form of increased organic matter at the bottom of the waters due to excess feeding, as a result of which the concentration of ammonia is relatively high at the bottom, where ammonia is toxic. If…

Beban Pencemaran Dan Status Mutu Air Dengan Indeks Pencemaran Di Sungai Umban…

This study aims to determine the pollution load and water quality status using the pollution index in the Umban Sari River. The study was conducted from January to March 2024 in the Umban Sari River. It was carried out using a field survey method to collect water quality data. Water samples were taken using grab sampling, with samples collected 3 times over a 3-month period at 3 research statio…

Status Trofik Danau Daek Berdasarkan Trophic Index (TRIX) Di Desa Kenidai Kec…

The TRIX index is an approach that can be used to determine the fertility status of a water body. This TRIX index uses the main and supporting approaches. The purpose of this study was to determine the fertility status of Lake Daek using the TRIX trophic index, where this research was conducted in July-September 2023 at Lake Daek. There are 3 stations in this study, namely station 1 is the inle…

Produktivitas Primer Di Danau Daek Kecamatan Tambang Kabupaten Kampar Provins…

Lake Daek is one of the oxbow lakes located in Teluk Kenidai Village, Tambang District, Kampar Regency, Riau Province. This lake has great potential in the fisheries sector, so it needs to be protected and preserved for the future. A research aimed to know the primary productivity based on oxygen method and was carried out in August - September 2023. Sampling and measuring water quality in Lake…

Kandungan Mikroplastik Pada Tubuh Cacing Sutra (Tubifex Sp.) Di Sungai Sail K…

The purpose of this study was to determine the types and abundance of microplastics in Tubifex sp., water, and sediment of Sail River. This research was conducted from Januari to March 2024. Sampling was carried out once a month for thee months at 3 stations. Surface water samples of 100 liters were collected and filtered using plankton net No. 25, while sediment and Tubifex sp. samples were ta…

Kebiasaan Makanan (Food Habits) Ikan Sengarat (Belodontichthys Dinema) Di Sun…

The Kampar Kiri Hulu River has various types of biota that live in it, one of which is the stingfish. The presence of Sengarat fish in nature, especially in these rivers, continues to decline due to excessive fishing and using fishing gear that is not environmentally friendly. Apart from that, activities around the river become polluted and cause the availability of natural food in the wate…

Hubungan Panjang Berat Dan Faktor Kondisi Ikan Gulamah (Johnius Trachycephalu…

This research aims to determine the relationship between length-weight and condition factors of Gulamah Fish (Johnius trachycephalus) in estuarine waters of Dumai City. This research was conducted in May - July 2023, located in the estuary of Dumai River and Masjid River, Dumai City, Riau Province. This study used survey method, fish samples were caught by fishermen with fish sampling following…

Keanekaragaman Dan Kelimpahan Rumput Laut Di Desa Kelombok Kecematan Lingga …

Kelombok Village, Lingga Regency is an island with a large water area (99% of the water area) and has a high wealth of biological resources, especially algae or seaweed. This research was conducted in the coastal waters of Kelombok Village with three stations (stations 1, 2, and 3), and two zones (tide zone and low tide zone). The research was carried out for one month, namely in January 2024. …

Identifikasi Jenis Udang Yang Berasosiasi Dengan Jenis Mangrove Di Kawsan Man…

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Deskripsi Fisik

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2004111476

Bioekologi Kerang Lokan (Geloina Erosa) Pada Ekosistem Mangrove Di Desa Buruk…

The mangrove ecosystem is one of the ecosystems that is characterized by high diversity in associations such as lokan clam. Lokan clams are filter feeders and suspension feeders that live on the bottom of the water by immersing themselves in the sediment. This study aims to determine the biological aspects of lokan clam (morphometrics, density, distribution, and growth), the ecological aspects …

Struktur Jaringan Ikan Mas (Cyprinus Carpio) Yang Diberi Imunostimulan Tepung…

Addition of guava (Psidium guajava) leaves powder in fish feed pellets has been used to improve the immunity of goldfish (Cyprinus caprio). However, there was anti-nutrients agents present in that leaves that negatively affects the food absorption as well as alter the fish health. To understand the effects of guava leaf powder provision and to determine the guava leaf powder dose that is safe f…

Inventarisasi Jenis Ikan di Oxbow Teluk Benderas, Desa Rantau Baru, Kecamatan…

Teluk Benderas Lake is an oxbow lake formed due to the interruption of the flow of the Kampar River. This lake is a habitat for various types of fish. However, information on fish species in the area is still limited. To find out the types of fish in Teluk Benderas Lake, a study was conducted in March-May 2023 using the survey method. Fish sampling was conducted once a week for a period of 2 mo…

Inventarisasi Dan Identifikasi Jenis Ikan Yang Tertangkap Di Perairan Sungai …

Parit Belanda River is one of Siak River tributaries and it is inhabited by various species of fish. To understand the type of fish living in that river, a study has been conducted on November-December 2015. Samplings were conducted 2 weekly, in 3 stations; in the upstream (ST I), middle (ST II), and downstream (ST III) of the river. Results shown that there were 129 fishes captured and they ar…

Jenis Dan Jumlah Sampah Laut (Marine Debris) Di Pulau Beruk Rupat Utara Kabup…

Marine debris was commonly flown by the current and stranded in the coast. A study aims to investigate the type and amount of marine debris in the Beruk Island was conducted in May 2018. A survey method was used in this study. Samplings were done three observation stations, namely S1 (southern area), S2 and S3 (northern area). Marine debris were collected from 3 plots (25x60 m) placed along the…

Aspek Biologi Reproduksi Ikan Betok (Anabas Testudineus Bloch) Di Danau Lubuk…

Anabas testudineus is type of fish commonly inhabit the Lubuk Siam Lake in Riau. However, information on reproductive biology of the fish is rare. To understand the biologycal aspects of this fish, a study was conducted. The fish was sampled once at two weeks for a month period, from July to August 2019. Parameters measured were sex ratio, gonad maturity level, Gonad Somatic Index (GSI), fecund…

Struktur Komunitas Ikan Di Perairan Estuari Desa Rawa Mekar Jaya Kecamatan Su…

The fisheries potency in the estuary of Rawa Mekar Jaya Village is high. A research aims to determine the fish community structure in that estuary was conducted in April-July 2019. Fish samples were taken in 3 stations, in the mangrove area (ST-1), reforestation mangrove area (ST-2) and around the residential area (ST-3). The fishes were captured using fishing rod, net traps (mesh size 1-2 inch…

Hubungan Bahan Organik Dengan Produktivitas Perairan Danau Bakuok Di Desa Aur…

Several activities in the Bakuok Lake contribute the input of organic and inorganic matters to the waters, and thus increase the concentration of nitrate and phosphate in the water. A research aims to understand the relationship between organic matter and nutrients (Nitrate and Phosphate) in the Bakuok Lake has been carried out in June-July 2019. There were three stations namely station 1 (arou…

Pengaruh Hasil Fermentasi Limbah Cair Rumah Potong Hewan (Rph) Terhadap Pertu…

Slaughterhouse liquid waste contains fair organic materials that can be used as nutrient source for growing Spirulina sp. The purpose of this study was to determine the effect of fermented slaughterhouse waste as alternative nutrients for the growth of Spirulina sp. This study was conducted in September-October 2019. RAL method was applied with 5 different concentrations, there were 0 ml/4L (P0…

Struktur Komunitas Bivalva Pada Ekosistem Mangrove Desa Apar Kecamatan Pariam…

Mangrove ecosystem in the Apar Village inhabited by numerous aquatic organisms, including bivalve. A research aim to determine the community structure of bivalve in the mangrove ecosystem has been conducted on July 2019. There was 2 station, with 3 plots/station and 5 subplots/plot. In each subplot, the bivalve were collected by hand. Result shown that there was 3 species of bivalve, namely Pol…