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DISTRIBUTION OF ORGANIC MATTER IN SEDIMENTS OF SUNGAI MESJIDESTUARY, PURNAMA MARINE STATION, DUMAI CITY, RIAU PROVINCE Pranata, Eryc; Rifardi, Rifardi; Musrifin, Musrifin
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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Abstract

ABSTRACK This research was conducted from February to March 2019 which is located in the estuary waters of the Sungai MesjidPurnama Marine Station, Dumai City, Riau Province. Data analysis of organic matter was carried out at the Physical Oceanography Laboratory of Marine SciencesDepartment, Faculty of Fisheries and Marine, University Of Riau. This study aims to determine the distribution of organic matter in sediments in estuary areas that are affected by 2 water masses,currents and semidiurnal tidal analysis distribution of organic matter showed that the distribution of organic matter content at low tide ranged from 4.90 to 16.50 %. The results show that the waterflow of Sungai  Mesjid toPurnama coast there are mangrove ecosystems.During tidal events currents from Sungai Mesjid meet with the mass of water from the RupatStrait. Purnama. Key words :Organic Matter, Sungai Mesjid,Mangrove, Currents, Tides
Correlation of environmental factors and spatial distribution of moluscs communities in mangrove reboisation areas of Seribu Islands, Indonesia Syahrial, Syahrial; Pranata, Eryc; Susilo, Hendri
Torani Journal of Fisheries and Marine Science VOLUME 2 NOMOR 2, JUNI 2019
Publisher : Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (15.153 KB) | DOI: 10.35911/torani.v2i2.7051

Abstract

Mangrove reforestation is often carried out in various regions or regions, but information about the relationship of environmental factors and the distribution of fauna associations is still very minimal. The Principal Component Analysis (PCA) study on the correlation of environmental factors and the spatial distribution of the molusks community in the Seribu Islands mangrove reforestation area was conducted in March 2014 with the aim of analyzing environmental factors for the diversity and presence of the molusks. Environmental factors are measured insecurely, while the moluccan community is collected by making line transects and plots measuring 10 x 10 m2 and in the size of 10 x 10 m2, a small plot of 1 x 1 m2 is made. The results of the study show that environmental factors are not so different between stations and do not exceed the quality standard for the lives of 4 species of mollusks, where the parameters of aquatic pH are the environmental factors that most influence their distribution.Keywords: environmental factors, distribution, mollusks community, mangrove reforestation, Seribu Islands