The rapid growth of industrial sectors in various countries leads to an increase in greenhouse gases emissions such as carbon dioxide (CO2) in the atmosphere. One of the important aspects of reducing carbon gas, is the maintenance of forests and oceans to store carbon. And one of the potential marine resources as a storage of CO2 gas is seagrass beds. Northeast waters of Penyengat Island has a …
This research was conducted in July 2017 at Pieh Island Conservation Area of Pieh Water Park of West Sumatera Province. This study aims to determine the condition of coral reefs in the waters of Pieh Island and to determine the changes in the condition of coral reefs in Pieh Island. The method used was survey method using Underwater Photograph Transect (UPT), consisting of 3 stations where each…
Ecotourism is a tourist trip to a natural region in order to conserve or save the environment and provide welfare to the local population. This research was conducted in September - November 2017 at Penyengat Island, City of Tanjung Pinang, Riau Island Province. The study aims to determine the potential of marine ecotourism and aspects of the strength of Penyengat Island to be developed as a ma…
This research was conducted from May - June 2017 in Beach Pandan of District Tapanuli Central, North Sumatera Province. The purpose of this research was to study the type of material constituents horizontally in Pandan coastal waters. Sediment samples were taken using a grab sampler to take samples from 2 stations consisting of 6 sampling points and then analyzed for composition and organic mat…
Rhizophora apiculata is the dominant mangrove species found in Pulau Cawan Regency Indragiri Hilir, Riau. The mangrove species has a significant role in carbon sequestration. This aim of this research was to determine of biomass, carbon stock and sequestration of CO2 in R. apiculata, as well as the analysis of soil organic carbon in each layer depth. This research was conducted in September-Nov…
This research was conducted on May-July 2017. The purpose of this research was to determine the utilization of fermented chicken feather meal on artificial feed barramundi and to obtain additional levels of the best feather meal in feed formulation barramundi fingerling, digestibility, growth, feed efficiency and protein retention. This study uses a completely randomized design (CRD) of the fac…
This research was conducted on June 2th until July 2th, 2017 at Aquaculture Technology Laboratory of Fisheries Faculty and Marine Sciences, University of Riau Pekanbaru. The purpose of this experiment was to determine the best dose of Thyroxine (T4) hormone in a fish meal on the growth of Asian redtail catfish (Hemibagrus nemurus) in the recirculation systems. The research method used in this s…
The research was conducted from May to August 2017 at the Fish Hatchery and Breeding Laboratory, Faculty of fisheries and Marine University of Riau Pekanbaru. The purpose of this research was to know the effect of different frequency of earthworm and the best feeding frequency for gonadal maturation of beardless barb (Cyclocheilichthys apogon Val.1842). The research method was experiment method…
This research aims to determine the effect of different stocking density on the growth and survival rateM.nemurus that are maintained in the recirculation system. The research was conducted for 30 days in May 03th to June 03th 2017 in the Cultivation Technology Laboratory of the Faculty of Fisheries and Marine University of Riau. The method used in this research is the experimental method of Co…
Rhizophora sp. is one of the mangrove plant which potentially for antibacterial compound, because it has an alkaloids, saponins, flavonoids and tannins. This research purpose was to know the proper dose of Rhizophora sp. leaves extract in healing the MAS disease (Motile Aeromonas Septicaemia), which can be seen through the leukocytes differentiation of Pangasius hypophthalmus. The method in thi…
The objective of the research was to investigate the best stock of juaro fish on closed transportation system. The method used in this research was experimental method using Completely Randomized Design (RAL) of one factor 3 treatment levels and 3 replications, ie P1: density of juaro 8 fish/L, P2: density of juaro 10 fish/L and P3: density of juaro 12 fish/L. This research was conducted in Jun…
Fishing technology is emphasized on environmentally fishing technology in the hope of utilizing sustainable fisheries resources. Field survey was conducted on november - December 2017 in sub-district Kuok Riau Province. This study aimed to (1) identification of environmentally fishing gears on based on with the CCRF, (2) to evaluate the highest score of eviromentally fishing gears. survey metho…
This research was conducted in July - August 2017 at Singkarak Lake, West Sumatera Province. This study aims to determine the ratio of the number of liftnet catches by using incandescent and fluorescent lamps. Data collection was undertaken by direct observation in field and interview with fisherman. This research was conducted for 10 days in nagari tikalak solok district. The catch during the…
The research was conducted in the dark moon in May 2017 in Penaah Village District Senayang Lingga Regency Province Kepulauan Riau. Most of lift net fishermen in Penaah vilage conduted fishing by using petromax lamp fishing gear. The objective of the research is to obtain the effect of light colors distinchen towards fish catch and its fish species. The method in this research by using Experime…
Green turtle (Chelonia mydas) used to nest in the Jemur Island, Rokan Hilir. Characteristics of nesting area preferred by the turtle, however, are almost unknown. A research aimed to understand the nesting area characteristic of C. mydas in the Jemur Island was conducted from March-April 2017, coincidence with the nesting time of the turtle. Observation of the nesting area of green turtle was c…
Degradation in the Teluk Buo mangrove ecosystem may affect the organic materials input in the water and thus affects the life of aquatic organisms in that area, including plankton. To understand the plankton community structure in that area, a study has been conducted in February 2017. Samples were taken 3 times, once/weeks, in 3 different areas. One hundred liters water was sieved into 125 ml …
The biomass of phytoplankton is an important factor for describing the accumulation of nutrients in the aquatic systems. The calculation of phytoplankton biovolume is an effective method predict the phytoplankton biomass. A research aims to understand the biomass of phytoplankton based on biovolume in the Diatas Lake has been conducted in February - Mei 2017. Water samples were taken from 3 sta…
Result of the recent study shown that a packet of mixed 0.7 g PAC and 0.5 g lime wrapped in osmofilter paper can be used for improving the pH of peat water (pH 4.23). The effectiveness of the packet to improve the quality of different acidity level water is unknown. A research aims to understand the effectiveness of the packet has been conducted in January – February 2017. The packet was used…
Periphyton is a group of microorganism that grow in certain substrates. A research aims to understand the bioomass(biovolume)of periphyton in the Tapung River has been carried out in April-May 2017. There were 3 stasitions namely in the upstream (S1), middlearea (S2), and downstream (S3) of the river. Samplings were conducted 4 times, once / week.Water quality measured were transparency, temper…
Macro and micronutrient in the tofu liquid waste that have been phytoremediated using Eichornia crassipes may increase and it may suitable for culturing Chlorella sp. To understand the potency of phytoremediated tofu industry liquid waste for nutrient source in the Chlorella sp culture, a study has been conducted in February-March 2017. There were 4 treatments applied, namely P1 (0% waste), P2 …