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PHYSICAL BODY RISKS DURING PURSE SEINE FISHING EQUIPMENT OPERATION ON KM. GODBLESS 08 Ikhsan, Suci Asrina; Arkham, Muhammad Nur; Haris, Rangga Bayu Kusuma; Kelana, Perdana Putra; Maulana, Muhammad Agung
Aurelia Journal Vol 6, No 2 (2024): October
Publisher : Politeknik Kelautan dan Perikanan Dumai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/aj.v6i2.15046

Abstract

Work productivity can decrease if a worker suffers from musculoskeletal disorders (MSDs). Ergonomic review study so that MSDs can be prevented or minimized. The study examined MSDs in ABK operating purse seine fishing gear. The method used in this study is the WERA (Workplace Ergonomic Risk Assessment) method. The results of the study obtained the risk level in 3 work positions with a medium level and one work position at a low level. The score at the medium level is between 39 and 42 scores, while the score for the low level itself is at 27. The highest score is in the stern work position with a value of 42 and the lowest score occurs in the work position handling the catch with a value of 27.
ANALYSIS OF HEAVY METAL CONTENT IN WATER, SEDIMENT, AND FISH IN THE WATERS OF DUMAI CITY, RIAU PROVINCE Djunaidi, Djunaidi; Arkham, Muhammad Nur; Hutapea, Roma Yuli F.; Kelana, Perdana Putra; Ikhsan, Suci Asrina; Haris, Rangga Bayu Kusuma; Widagdo, Aris; Sari, Iya Purnama; Rejeki, Sri Untari Puji; Sumitro, Martinus Robinson
Jurnal Segara Vol 20, No 2 (2025): December
Publisher : Politeknik Kelautan dan Perikanan Dumai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/segara.v20i2.17337

Abstract

The waters of Dumai City, located in Riau Province and directly connected to the Malacca Strait, are highly accessible both locally and internationally. The coastal area is characterized by intensive human settlements and diverse industrial activities, including oil and gas, crude palm oil (CPO), and cement industries, which discharge wastes that may affect marine biota. Most of these wastes are transported to the sea through river flows, posing a serious threat to the ecological balance and aquatic organisms, particularly fish, with potential risks to human consumers. This study aimed to examine the physicochemical parameters of the waters and to determine the concentration and status of cadmium (Cd) and lead (Pb) in water, sediment, and fish. The research was conducted from April to June 2025 using survey, observation, and experimental methods in both field and laboratory settings. Data were analyzed using Atomic Absorption Spectrophotometry (AAS) to measure the actual concentrations of heavy metals. The results were compared with the threshold values established by the Indonesian Ministry of Environment Decree No. 51/2004 concerning marine water quality standards for aquatic biota. The findings revealed that the physicochemical parameters, including water temperature, salinity, and dissolved oxygen (DO), remain supportive of aquatic life according to the standards. However, the concentrations of Pb and Cd in water, sediment, and fish samples exceeded the permissible limits, indicating pollution in Dumai waters.