Tanjung Balam Lake receive organic and anorganic matter from palm plantation and the water from the Kampar River. To understand the relationship between water quality and the phytoplankton abundance of the Tanjung Balam Lake, a research has been conducted in June – July 2019. There were three sampling points, namely in the inlet, in the middle of the lake and in the end of lake. In each sampl…
Many activities in the inundation of PLTA Koto Panjang Recervoir Batu Bersurat Village contributed organic matter that affect nitrate and phosphate concentration in waters and increasing the abundance of phytoplankton. A research aim to know the relationship between nitrate and phosphate with phytoplankton abundance in the inundation of PLTA Koto Panjang and it was conducted in June-July 2019…
The Sei Paku Reservoir is inhabited by many fish species, but they never been studied. A study aims to understand the type of fish present in the reservoir, has been conducted in February to April 2019. Fish sampling were conducted six times once/two weeks. The fishes were captured using lures, gill nets and bamboo traps. Fish samples were then identified. Results shown that there were 21 fish…
Microplastic is plastic pieces sized ≤ 5 mm. The presence of microplastic in sediment negatively affects the environment as well as the benthic organism. As the costal area of the Naras Hilir Village facing the Indian Ocean, the microplastics carried by the water may be stranded in the beach. A research aims to understand the type and density of microplastic present in the coastal area of the…
Carrying capacity is an ability of aquatic environment to support the life of aquatic organisms and itcan be determined based on dissolved oxygen concentration. To understand the dissolved oxygen based carrying capacity in the Sungai Paku reservoir, a research has been conducted in June-July 2019. Water samples were taken in three stations, Station 1 (riverine zone), Station 2 (transition zone)…
Trophic State Index can be used to determine the trophic state of waters. The TSI is using physical, chemical and biological approach to determine the trophic state and the result will be more representative for analyzing the trophic state of waters. A research aims to understand the trophic state of the Sungai Paku Reservoir, has been conducted in May - June 2019. There were three sampling sta…
Carrying capacity is defined as the ability of aquatic environment to support the life organism in that area. This study aimed to assess the aquatic carrying capacity of the Perupuk Lake for extensive fishing. The carrying capacity was determined based on primary productivity using the chlorophyll concentration, which is indicating the existence of phytoplankton in waters. A study was conducted…
Carrying capacity is an ability of aquatic environment to support the life of organism in aquaculture. This research aims to determined carrying capacity based on dissolved oxygen for fish net cage. It was conducted on June-July 2019 in PLTA Koto Panjang Reservoir Batu Bersurat Village. Sampling was determined at 3 locations namely Station 1 (tourism area and arround of this station there were …
The decaying rate is the quantity of organic matter that can be decomposed by bacteria per unit time. To determine the decaying rate or the load of organic matter in the Inundation of PLTA Koto Panjang Reservoir, Batu Bersurat village, research was conducted on June-July 2019. There were three stations namely station 1(tourism area and arround of this station there were palm’s plantation), st…
Mangrove area in the Nagari Gasan Gadang has been damage due to human activities and the damage negatively affects bivalve living in that area. A research aims to understand species and density of bivalve was conducted in July 2019. There were 3 stations with 3 plots/station and 5 sub plots/plot. In each sub plot the bivalve were collected by hand. There were 2 bivalve species present, they we…
In the Nagari Kuranji Hilir river there is a restricted area and it is known as “lubuk larangan”. As it is a habitat for T.tambroides, a rare endemic fish species. A research aims to find out a proper method to manage the Nagari Kuranji Hilir river restricted area in order to safe T.tambroides population was conducted on April to August 2019. A quantitative approach method was applied by ob…
Mangrove ecosistem in Kampung Madong is inhabited by numerous aquatic organism, including fish. This study aims to determine the types of fish caught in the mangrove ecosystem of Kampung Madong. This research was conducted in March-April 2019. The method used in the research was survei method on three sampling area observation with four sampling in a month. The analyzed include morphology, mor…
Batang Mahat River is one of the rivers which empties to PLTA Koto Panjang Dam. Batang Mahat estuary around PLTA Koto Panjang Dam is one of the fishing grounds. This study was aimed to obtain information about the water chemical and physical characteristics and biology (plankton) Batang Mahat around PLTA Koto Panjang Dam. This research was conducted in March-May 2019. The observation stations w…
This study aims to determine the type and abundance of gastropods in the mangrove ecosystem in Madong Village. This research was conducted in July 2019 which is located in Kampung Madong Tanjungpinang Kepulauan Riau. Gastropod sampling using the line transects method. At the research location, there were 3 stations and each station consisted of 3 quadrants measuring 1x1 m. The results of the st…
Ompok hypophthalmus is one of valuable commodity, and it is a native species in the Riau. High intensity of uncontrolled fishing causes the extinction of that species. A research aims to understand the growth rate, mortality, and exploitation rate of the fish in the Lubuk Siam Lake has been conducted in May-July 2019. The fish was sampled using gill nets. Data were analyzed using FiSAT II pro…
The Koto Panjang Hydroelectric Reservoir has changed environmental conditions because of Floating Net Cages (FNC) activities. This condition change the water quality. Zooplankton was biology parameters to determine the changes water quality because zooplankton community is sensitive to changes in aquatic environmental conditions. This research was aims to understand the structure of the zooplan…
The study aims to determine the effects of organizational culture, supervision, leadership and work ethic on employee performance at the Mandau Sub-District Office. The population in this study includes all employee at Mandau Sub-District Office, totalling 62 people. Primary data was collected by questionnaire as an instrument to prove the result of the research, to test the hypothesis in this…
The purpose of this study was to analyze the influence of Leadership and Organizational Commitment on Employee Satisfaction at PT Integra Trustindo Pekanbaru. The population in this study were employees of PT Integra Trustindo Utama Pekanbaru with 68 respondents as the sample selected using the simple random sampling method. Data analysis using path analysis through SPSS version 24.0. The resu…
Abstract This research aims to determine how the impact store atmosphere and service quality towards to purchasing decisions and customer satisfaction at Waroeng Wahid Pekanbaru. The population is all Waroeng Wahid Pekanbaru customers. The study was prepared using accindental sampling method. The total sample was 110 people. Analysis of the data used is path analysis (path analysis) with SPS…
This research was conducted at PT. Sawit Riau Makmur, Tanah Putih Subdistrict, Rokan Hilir Regency, with the formulation of the problem: Does supervision, compensation and social security affect employee job satisfaction PT. Sawit Riau Makmur Tanah Putih Subdistrict Rokan Hilir Regency ? Does supervision affect the job satisfaction of employees of PT. Sawit Riau Makmur Tanah Putih Subdistrict R…