The purposed of this research was to determine the effect of katuk leaf (Sauropus androgynus) to the quality of catfish (Clarias batrachus)nugget. The method used was experimental and composed as Completely Randomized Design (CRD). The treatment was the addition ofkatuk leaf (0, 10, 20, and 30 gs) into the dough of fish nugget.The results show that the catfish nugget added with 10 gs of katuk l…
This research aims to get the best solvent ratio in extracting phenolic compounds that potentially as an antioxidant and see the capacity of potent antioxidant phenolic compounds. The method used was experiment with Completely Random Design (CRD) which consist of 3 levels P1 (1: 3), P2 (1: 6), P3 (1: 9). This study consists of 3 stages of sample preparation, extraction and testing of antioxidan…
Blood Cockle interact with physical and chemical oceanography factors caused by the tides intensely, so it’s not possible to blood cockle to free from heavy metal pollution. As a organisms, blood cockles are relatively sedentary and filter feeder, so that the presence of pollutants in the marine waters will be absorbed by the biota. Research on the absorption of metal (Pb) with different sali…
This research aims to analyze the detergent and diatom,content that has been conducted in April 2017, in the Selat Air Hitam Water, Kepulauan Meranti Regency, the research used survey method, analysis of detergent and Diatom content was done at the Marine Chemicals Laboratory and Diatom identification was performed at the Marine Biology Laboratory, The results showed that the detergent content …
The purpose of this study was to determine the dose of carrot flour (Daucus carrota L) is best in increasing the brightness of body color Molly Fish (Phoecilia sphenops). This research was conducted from April to June 2017 in the Cultivation Technology Laboratory, Faculty of Fisheries and Marine University of Riau. The method used in this study is the method of exploitation using Completely Ran…
This research was conducted in April to May 2017 in the Aquatic Aquaculture Technology Laboratory of Marine Fishery University of Riau. The aims of this determine was to growth and survival rate of Channa striata fed Tubifex sp with different amounts. This research used a size aquarium 40 x 30 x 40 cm3 with a water height 10 cm for 12 units. The feed used in the form of Tubifex sp, given with d…
The research was conducted from May to June 2017 at The Fish Hatchery and Breeding Laboratory, Fisheries and Marine Faculty University of Riau. The purpose of this research was to evaluate the effect of ovaprim and hCG ovulation and egg quality climbing pearch (Anabas testudineus Bloch) fish. The treatment used in this research was in injection of ovaprim and hCG with different doses is : P1: o…
Periphyton is a sessile microscopic organism that attaches on immersed substrate. Research aims to understand the type and abundance of periphyton attached on ceramic substrate has been carried out in April-May 2017. There were 3 stations namely station 1 (no anthropogenic activity), station 2 (settlements area) and station 3 (rubber factory area). Ceramic plates (10x3 cm) were immersed in the …
In the areas around the Pinang Luar Lake, there are activities such as oil palm plantations and ilegall loging. Those activities, however, produce pollutant that enter the water and thus reducing its quality. To understand the water quality of the lake based the diversity of phytoplankton, a research was conducted from February to March 2017. There were 4 stations, in the inlet (St 1), middle a…
The sago industry liquid waste is rich in BOD5, COD, ammonia and thus need to be processed before being flown to environment. A study aims to reduce the BOD5, COD, and ammonia in that waste has been conducted in January – April 2017. The sago liquid waste (315 liters) was kept in an anaerob tank (with gravel, sand and palm fiber media) for ten days. The waste was then flown to aerob tank (wit…
In the area around Pinang Luar Lake, there are activities such as ilegal loging and palm plantations. Those activities, however, produce pollutant that enter the water and thus reducing its quality. To understand the water quality in general, a research on the water quality that was based on the periphyton community was conducted from March to April 2017. The samples of periphyton and water wer…
Green turtle (Chelonia mydas) used to nest in the Kasiak Island, Sumatera Barat. Characteristics of nesting area preferred by the turtle is almost unknown. A research aimed to understand the nesting area characteristic of C. mydas in the Kasiak Island was conducted from March-April 2017, coincidence with the nesting time of green turtle. Observation of the nesting area of green turtle was condu…
Nirwana beach is one of tourist destinations in the Sumatera Barat Province. In that area, how ever, there is a harbor and activities conducted in the harbor is potencially affects the seagrass ecosystem and its associated organisms, including bivalves. To understand the diversity of seagrass associated bivalves in that area, a research was conducted on November 2016. There were 3 stations and …
Anthropogenic activities conducted in the Maninjau Lake produce pollutant that affect the quality of the waters and there was nutrient enrichment that influence the chlorohpyll-a concentration in general. This research aims to understand the concentration of chlorophyll-a in the lake. This research was conducted in January – February 2017. There were 4 stations namely, Station 1 (bay area), S…
This research is a research which is aimed to improve students biology studying achievement by implementing guided inqury learning srtategy in class VII SMP N 3 Sinaboi in Academic Year 2015/2016. This research was conducted in April-Mei 2016. The subject of this research was student of class VII of SMP N 3 Sinaboi. The number of students was 36 students (18 boys and 18 girls). The Parameter wa…
Teachers as implementers in schools are also required to always improve its ability in mastering and delivering lessons on students, achievement of goals in the process of learning will be seen from the student's own learning. From observations carried out at 228 1 Sinaboi one roof seen from the value of the KKM is still low at minimum ketuntasan criterion number 67.8 expected is 75. The low va…
This research aims to improve the learning results of the IPA through the application of cooperative learning model type NHT in Grade VII. SMP Negeri 1 c Sinaboi one stop Lessons Year 2015/2016. This research was conducted in Class VII. SMP Negeri 1 c Sinaboi one roof Sinaboi Rokan Hilir in even-numbered years semester lesson 2015/2016. The subject of research is the grade 1 Land Junior Sinaboi…
This research conducted at VII.class of SMPN 3 Rimba Melintang the 2015/2016 school year to improve student learning outcomes by implementing cooperative learning model STAD. This research is a classroom action research conducted in two cycles of planning, implementation, observation and reflection. The parameters in this study is the thoroughness of learning outcomes derived from the value of…