Adriman, Adriman
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Distribution And Density Of Mangrove Snail (Telescopium Telescopium)In Mangroves Ecosystem From Mengkapan Village, Sungai Apit Subdistrict, Siak District, Riau Province Andriani, Novia; Adriman, Adriman; Sumiarsih, Eni
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 5 (2018): Edisi 2 Juli s/d Desember 2018
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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ABSTRACT Telescopiumtelescopiumhas significant ecological and economical rolein the mangrove ecosystem. However, information on the distribution and density ofthis snailis rare. To understand the distribution pattern of this snail in the  mangrove ecosystem of Mengkapan Village, a study has been conducted on February 2018. There were 3 transect lines, in the natural area (S1), in the ecotourism area and human inhabitant area (S2) and in the human activity area (S3). In each line, there were 6 plots (1mx1m). The snails were collected manually once/ 2 weeks, 3 times. Distribution pattern and density of the snail were studied.  Results shown that in the S1 and S3 the snail distributed evenly, while that of the S2 was grouped. Distribution Index value of the snail was 0.09-1.09. The highest density was in the S2 (5.17 organisms/ m2)  and the lowest was in the S1 (4.33 organisms/m2). Keywords: Mangrove organisms, distribution patterns, distribution index,Mengkapanvillage, mangrove snail
ZOOBENTOS COMMUNITY STRUCTURE IN THE MANGROVE ECOSYSTEM OF THE MENGKAPAN VILLAGE, SUNGAI APIT DISTRICK, SIAK REGENCY Irwanna, Muhammad Robby; Adriman, Adriman; Sumiarsih, Eni
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 6 (2019): Edisi 1 Januari s/d Juni 2019
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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Abstract Zoobenthos can be used as bioindicator of water quality. A study aims to understand the structure of zoobenthos community in mangrove area of the Mengkapan village has been conducted in November - Desember 2018.  Zoobenthos were collected manually, namely S1 (around the oil pipe), S2 (residential area)  and S3 (natural area).  Water quality parameters measured measured were temperature, pH, salinity, and sediment fraction and organic matterials content in the sediment. There were 7 types of zoobenthos presence and they were belonged to 3 classes, namely gastropoda  (4 species), malacostraca (1 species), and polychaeta (2 species). zoobenthos abundance ranges from 72 - 83organisms / m2. The species diversity index  (H ') ranged from 2.551 - 2.617, the dominance index (C) ranges from 0,177 – 1,198 and uniformity index (E) ranged from 0.909 - 0.932. Water quality parameter values were as follows: temperatures 25-28 ° C, water pH 6-7, soil pH ranges from 6-7, salinity 22-260/oo. The sediment was sandy mudwith organic materials 32,14% - 35,51%. Key words:Coastal Area, Polychaeta, Gastropoda, Malacostraca               
GROWTH RATE AND MORTALITY POPULATION OF Ompok hypophthalmus IN THE LUBUK SIAM LAKE, LUBUK SIAM VILLAGE, KAMPAR REGENCY , RIAU PROVINCE Alfayeat, Rindo; M. Fauzi, M. Fauzi; Adriman, Adriman
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 7, No 1 (2020): Edisi 1 Januari - Juni 2020
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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Abstract 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 program. Results shown that the Von Bertalanffygrowth parameters L∞.= 249.9 mm ; K= 0.57 /year, and t0 = -0.2995/ year.Total mortality(Z) = 2.19 ,natural mortality (M) = 1.32,  mortality of catch (F) = 0.87 and level of exploitation (E) = 0.40  and it is slightly below the maximum capture value. Length and weight relationship of the fish in the Lubuk Siam Lake was 2.711 (negative allometric). Keywords: Von Bertalanffy, native fish, oxbow lake, Length-weight relationship
The Structure of Zooplankton Community in Floating Net Cages Around Koto Panjang Hidroelectric Reservoir Kampar Regency Riau Province Fitri, Annisa Sovia; Sumiarsih, Eni; Adriman, Adriman
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 6 (2019): Edisi 2 Juli s/d Desember 2019
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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AbstractThe 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 zooplankton community around the floating net cagesKoto Panjang hydroelectric Reservoir Kampar Riau. This research has been conducted in May-July 2019. There were three stations. Sampling were conducted 3 times, once/week. The research of zooplankton samples using the sweep method. The results showed density of zooplankton in the around floating net cages Koto Panjang hydroelectric reservoir ranges 1200-1950 organism/L was mesotrophic. The diversity index (H’) ranges 2,602 – 2,979 was moderate criteria. The uniformity index ranges(E) 0,845 – 0,872 was relatively evenly. The dominance index (C) range 0,120 – 0,175 was low dominance. Water quality is supportive for the life of zooplankton was temperatures, pH, transparancy, dissolved oxygen, carbon dioxide-free, and TSS.Keyword: Zooplankton, water quality, density,diversity index, dominanceindex
PHITOPLANKTON DIVERSITY IN KAMPAR VILLAGE RIVER KUALA TERUSAN SUB-DISTRICT PANGKALAN KERINCI PELALAWAN DISTRICT Puspita, Rita; Adriman, Adriman; Fajri, Nur El
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 7, No 1 (2020): Edisi 1 Januari - Juni 2020
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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AbstractPhytoplankton can act as one of the ecological parameters that can describe the condition of the water. This research was conducted in the Kampar River in Kuala Terusan Village in June-August 2019. The research was conducted at three stations. Sampling was carried out three times in one week intervals. Water quality parameters measured during the study are temperature, brightness, current speed, pH, dissolved oxygen, free carbon dioxide, nitrate, and phosphate. Types of phytoplankton in the Kampar River Kuala Terusan Village 27 types are consisting of 3 classes, namely: Bacillariophyceae (2 types), Chlorophyceae (15 types) and Cyanophyceae (10 types). The abundance of phytoplankton species in the Kampar River in the Kuala Terusan Village ranges from 2914 - 7818 cells / L. The results of the phytoplankton species diversity index (H ') in the Kampar River Kuala Terusan Village ranged from 2.4906 to 2.7727, the uniformity index (E) ranged from 0.6093 to 0.6784, the dominance index (C) ranged from 0.1886 to 0,2616. The water quality of the aquatic environment in the Kampar River in Kuala Terusan Village is as follows: temperature 29-30˚C, pH 5, current speed 0.16-0.24 m / sec, brightness 24-37 cm, dissolved oxygen 3.2-4, 6 mg / L, free carbon dioxide 3.1-3.8 mg / L, nitrate 0.1855-0.2152 mg / L, and phosphate 0.0726-0.1195 mg / L. Keywords: Phytoplankton, Kampar River, diversity
Community Structure of Bivalve in the Seagrass Ecosystems in the Madong Bay Waters of Bugis Village Tanjungpinang City Riau Islands Yolanda, Tiwi Novia; Adriman, Adriman; Fajri, Nur El
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 7, No 1 (2020): Edisi 1 Januari - Juni 2020
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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ABSTRACTSea grass ecosystem in the Madong Bay is inhabited by numerous aquatic organisms, including bivalve. A research aims to determine the community structure of bivalve in that seagrass ecosystemhas been conducted in July 2019.There were 3 stations, in the rivermouth, in the bay and in the sea. In each station, there were  2transect lines(25 m length), and distance between the line was 15 m. In each line, there were 4 quadrants(1x1 m2). Sampling was conducted twice a week for 2 weeks. Bivalve present inside the quadrant were sampled manually. Results shown that there were 8 bivalve species present, namelyPlacamen chlorotica, Anomalocardia squamosa, Callista lilacina, Circe scripta, Anadara granosa, Semele cordiformis, Trachycardium rugosum, Anadara gubernaculum. The diversity index (H’) was 1.965-2.242, the uniformity index (E’) was 0.356-0.472 and the dominance index (C’) was 0.225-0.262. The water quality parameters are as follows; Temperature was 29-31 0C; acidity (pH) was 7; Salinity was 30-35 ‰; current speed was 0.14-0.15 m/s and DO was 6.7-6.9 mg/L. Keywords:Circe scripta, diversity index, uniformity index, dominance index 
ZOOBENTHOS COMMUNITY STRUCTURE IN THE MANGROVE AREA OF THE SUNGAI RAWA VILLAGE, SUNGAI APIT DISTRICT, SIAK REGENCY Agustini, Agustini; Adriman, Adriman; Fajri, Nur El
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 8, No 1 (2021): Edisi 1 Januari s/d Juni 2021
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AbstractZoobenthos commonly attached in the roots, stems, leaves and substrate in the mangrove area of the Sungai Rawa village. A study aims to understand the structure of zoobenthos community in that area has been conducted in April-Mei 2019. Zoobenthos were collected manually in 3 station, namely station 1 (mangrove ecotourism), station 2 (harbor and settlement), and station 3 (natural ecosystem). Water quality parameters measured were temperature, salinity, pH, dissolved oxygen, and sediment fraction and organic matterials content in sediment. There were 13 types of zoobenthos found in the study area, they were belonged to 4 classes, namely Gastropoda (8 species), Polychaeta (2 species), Bivalvia (2 species) dan Malacostraca (1 species). Zoobenthos density ranges from 1,4074-4,5556 organisms/m2. The species diversity index(H’) ranged from 1,66–3,06, uniformity index (E) ranged from 0,57–0,85 dan dominance index (C) ranged from 0,16–0,44. Water quality parameters values in mangrove area were as follows: temperature 28–31 °C, salinity 24–29 ‰, water pH 6-7, soil pH 6,2-6,6, dissolved oxygen 5,2–6,8 mg/L. The sediment was sandy mud to mud with organic materials 33,98–49,47 %. Keywords: Mangrove ecosystem, Zoobenthos community, Epifauna, SedimentÂ