Concentrations of Heavy Metals (Cu, Cd, Zn and Ni) and PAHs in Perna viridis Collected from Seaport and Non-seaport Waters in the Straits of Johore

Abstract

In this study, the ranges of pollutants found in the soft tissues of Perna viridis collected from Kg. Masai and Kg. Sg. Melayu, both located in the Straits of Johore, were 0.85-1.58 μg/g dry weight (dw) for Cd, 5.52-12.2 μg/g dw for Cu, 5.66-8.93 μg/g dw for Ni and 63.4-72.3 μg/g dw for Zn, and 36.4-244 ng/g dry weight for ∑PAHs. Significantly (p < 0.05) higher concentrations of Cd, Cu, Ni, Zn and ∑PAHs in the mussels were found in the water of a seaport site at Kg. Masai than a non-seaport site at Kg. Sg. Melayu population. The ratios of low molecular weight/high molecular weight hydrocarbons (2.94-3.42) and fluoranthene/pyrene (0.43-0.45) in mussels from both sites indicated the origin of the PAHs to be mainly petrogenic. This study has demonstrated the utility of using the soft tissues of P. viridis as a biomonitor of PAH contamination and bioavailability in the coastal waters of Peninsular Malaysia.

Bioaccumulation of PAHs in Padina boryana Alga Collected from a Contaminated Site on the Red Sea, Saudi Arabia

“…Since there are many petroleum industries and other industrial activities are available in the city, PAH transport via atmospheric aerosols and particles could be considered as one of the pyrogenic inputs. Our results indicated that PAHs originated mainly from pyrolytic sources, as indicated by LMW/HMW and F/Pyr ratios, and this is in agreement with previous results in Malaysia [16,21], Iran [15], Iraq [22], and China [23]. An F/Pyr ratio greater than 1 indicates the dominance of the combustion-derived material (i.e., of pyrolytic origin) [24] Fig .…”

“…The ratios of LMW/HMW were higher than 1.0, which indicated the dominance of LMW PAHs, suggesting petrogenic-and petroleum-related compounds as the main PAH sources [16].…”

“…Baumard et al [20] found that the blue mussels sampled in the western Baltic Sea were enriched in LMW PAHs. Thus, the presence of higher LMW PAHs in marine biota is due to their ability to be selectively uptaken [16].…”

“…The extract was concentrated to 2 ml under a gentle stream of nitrogen using a rotary evaporator and then analyzed by GC-MS [11]. The U.S. Environmental Protection Agency (EPA) PAH standard (16 PAHs) was used for identification [16].…”

Heavy Metals in Bivalve Mollusks Collected From Da-Peng Bay Lagoon in South-Southwestern Taiwan

“…Mussels are commonly chosen as bioindicators for monitoring heavy-metal pollution because they are sedentary organisms, longliving, easily identified and sampled, reasonably abundant and available throughout the year, and tolerant of natural environmental fluctuations and pollution (Yap et al, 2004(Yap et al, , 2012Roméo et al, 2005). In addition, mussels possess net accumulation capacities and are ecologically important.…”