Internationally, sea turtles are one type of animal whose presence in nature is endangered. Tambelan District, is a coastal area that is visited by many sea turtles with the aim mostly to lay eggs. The large number of turtle eggs needs is not only for additional consumption of Tambelan people, but to meet the needs of people outside Tambelan, so that turtle eggs continue to be taken for trade. …
Growth and reproduction of fish is affected by internal and external factors including photoperiod. Photoperiod as well as feed affects the gonad development. To know the appropriate duration of photoperiod and food types, a study has been conducted in May – October 2018. The fish was reared in 140 x 60 x 40 cm fiber tank, and they were placed under black plastic tent completed with 35 watt l…
Juaro fish (Pangasius polyuranodon) is a freshwater benthopelagic fish that is potamodromus. Juaro fish can be found in freshwater and can be found on the river banks. Freshwater which is a place to live juaro fish, one of which is the Kampar River and Siak River. Both of these rivers are large rivers in Riau Province but both waters have different water conditions. The waters of the Kampar Riv…
The research was carried out at the Faculty of Mathematics and Natural Science, University of Riau, in the Chemical Laboratory of the Faculty of Mathematics, Natural Science, and Health, Muhammadiyah University, Riau, and Fish Parasite and Disease Laboratory of the Faculty of Fishery and Marine, University of Riau, from July until October, 2018. The objective of the research was to find out bio…
Mantis shrimp is one of main fishery commodities in Kuala Tungkal, West Tanjung Jabung Regency, Jambi. Generally, there are 125,000 up to 225,000 catches per year and the price for each is Rp.143,600-Rp.180,700. This catch has shown a significant progress since Mantis shrimp becomes one of export commodities from Indonesia to various countries such as to Hong Kong and Taiwan. However, there are…
Basic fish trap is commonly used by fishermen to catch Demersal fish and Reef fish. This research aims to find out the composition of main catch, bycatch, and discard caught by using fish traps. The results are worthwhile to find alternative for reducing the numbers of bycatch and discard. A survey method was applied with direct observation in order to identify the trapped species. The research…
Gourami (O.gouramy) representing Fish consume freshwater with potential high economic value to be developed. Fish gourami coming from Right River Camphor have excellence, like good growth, hold up to disease but there is no data information about and also fenotif of genetik. This research aim to analysing character of fenotip, variation of genetik, growth rate and influence offis quality of Car…
In the midst of the incessant implementation of good governance as a foundation for the value of governance in the public sector, a paradigm of Good University Governance (GUG) has emerged which is a demand for every university. GUG is considered as an important element for Higher Education to be able to anticipate, design, implement, monitor, and assess the effectiveness and efficiency of poli…
With the weakening of the rupiah, the condition of economic growth has worsened. And this has an impact on some companies that want to grow, survive and make investments by funding through debt. The company makes efforts so that the company can continue without problems and obstacles so that it does not go bankrupt. One way companies do is to minimize debt costs. This study aims to analyze th…
High profitability reflects the company's ability to generate profits through its operational activities. Conversely, low profitability reflects the company's operational activities that are not good so that the company's ability to generate profits is low. 2015 was a difficult time for national mining companies, where there were several companies that experienced a decline in profitability. T…
Probiotics are living microbes that are beneficial to fish. And are useful for increasing fish response to disease, increasing nutrition in feed, and improving water quality. This study aims to analyze and determine the best time interval for giving probiotics to growth and increase omega-3 levels of tilapia fish (Oreochromis niloticus).The method used in this study is the experimental method, …
Photoperiod manipulation affects the active period of African catfish Changing in photoperiod duration will affects the physiology of fish in general. A study aims to understand the effects of photoperiod manipulation towards Clarias gariepinus morpho-anatomy and growth was conducted on March–May 2018 in Marine Science Biotechnology Club (MSBC) Marine Science Biotechnology Club (MSBC) dan Lab…
Pangasius polyuranodon is one of freshwater fishes that inhabit the Siak River. This river is considered as polluted, but P. polyuranodon is available in that river and thus indicate that it is able to grow and conducting reproductive activities in that area. To Understand the biological aspects of the fish, a study has been conducted in December 2016. The fish was taken once/ week in four dif…
Mangrove ecosystem has economic, ecological and social functions, however, improper management may decrease its function. Appropriate management is required to guarantee the sustainability of the mangrove. A study aims to determine the level of sustainability of mangrove ecosystems in the Sungai Bela Village has been conducted in January 2018. Data on ecological, economical, culture, law and or…
T. anomala is a type of shrimp that commonly found in the muddy areas of mangrove along the coast of Selat Panjang. This study aims to investigate the clear zones of the chitosan obtained from that shrimp that is tested against Pseudomonas aeruginosa. Carapace from T. anomala is used as chitosan’s raw material resources. Analysis was carried out at the Integrated Laboratory, Fisheries Micro…
Yellow pike conger (Congresox talabon) has high protein content that can be used as hydrolysate protein source. The aims of this research were to determine the optimum condition for hydrolysis process and to characterize the hydrolysated protein obtained. Hydrolysate protein from yellow pike conger were enzymatically hydrolyzed by papain enzyme. There were 3 treatments applied (0,125 %; 0150 %;…
The purpose of this study isto analyze the uptake of carbon in polluted waters and unpolluted based on suspended sediment concentration in Rupat Strait. This study used multivariate statistics of Principle Component Analysis (PCA) and regression analysis to clarity the relationship between suspended sediments, phytoplankton abundance, chlorophyll-a and primary productivity with carbon uptake. T…
Mangkian Island is one of the island at the conservation area of Anambas Islands Marine Tourism Park has the potential of natural wealth and the beauty of resources is very interesting, so it is necessary to be managed as one of the marine tourism sector that plays an important role in its development. This study aims to determine the suistability and carrying capacity of marine tourism in Mang…
This study was conducted from August - November 2017 in Hatchery and Breeding Laboratory, Department of Aquaculture, Fisheries and Marine Faculty, Riau University. This study was aimed to determine the best dose of recombinant growth hormone on the growth of selais fish (Ompok hypopthalmus). This study used a complete randomized desigh with one factor that is recombinant growth hormone dose and…
The purpose of this study was analyze the amount of estradiol hormone in the body of the selais (O. hypophthalmus Blkr) fish the mature gonads and the number of ovaprim hormone doses used based on the amount of hormone in the fish body on ovulatory success and spawning of fish Selais. The study used a complete randomized design consisting of four treatments and three replicates consisting of co…