Peer Reviewed Journal Articles (Inter.) (FT)

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Browsing Peer Reviewed Journal Articles (Inter.) (FT) by Author "Daniel, Damaris Benny"

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    Abundance, characteristics and seasonal variation of microplastics in Indian wgite Shrimps (Fenneropenaeus indicus) from coastal water off Cochin,Kerala,India
    (Elsevier, 2020) Daniel, Damaris Benny; Ashraf, P. Muhamed; Thomas, Saly N
    The microplastic contamination of seafood species is increasingly becoming a global concern due to its potential influence on food safety and human health. This study investigated the presence and seasonal variation of microplastics in a commercially important marine shrimp species, Fenneropenaeus indicus, from the coastal waters of Cochin, India. The soft tissues of 330 shrimps were examined over a period of 12 months, from March 2018 to February 2019. A total of 128 microplastics were detected, of which 83% were fibres. An average (mean ± SD) of 0.39 ± 0.6 microplastics/shrimp (0.04 ± 0.07 microplastics /g wet weight) was obtained from the shrimps sampled. Microplastic contamination was significantly higher in July-August (Monsoon season) compared with other months. This study reports microplastic contamination in F. indicus for the first time. Results also suggest that consumption of peeled but undeveined or whole dried white shrimps can be one of the ways of the human uptake of microplastics, especially during the monsoon season.
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    Assessment of fishing-related plastic debris along the beaches in Kerala Coast, India
    (Elsevier, 2020) Daniel, Damaris Benny; Thomas, Saly N; Thomson, K.T
    An assessment of quantity, composition and seasonal variation of fishing-related plastic debris was conducted in six beaches along the Kerala coast of India during 2017–2018. Plastic items were the most dominant type of waste constituting 73.8% by number and 59.9% by weight. In the total debris recorded, 5540 pieces (36%) weighing 198.4 kg (39.8%) were fishing related trash. On an average 14.4 ± 12 fishing related items/100m2, corresponding to mean weight of 0.55 ± 0.7 kg/100m2 was recorded from these beaches. Results indicated that the fishing-related plastic items were concentrated four times more in the beaches with higher fishing intensity, as compared to the other beaches. Also, the concentration of fishing-related plastic was recorded higher in the post-monsoon season compared to the lowest during monsoon, which was significant with p-value<0.05. The results emphasize the role of fishing activities in the generation of marine litter.
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    Microplastics in the edible and inedible tissues of pelagic fishes sold for human consumption in Kerala, India
    (Elsevier, 2020) Daniel, Damaris Benny; Ashraf, P. Muhamed; Thomas, Saly N
    Microplastics in commercially important seafood species is an emerging area of food safety 9 concern. While there have been reports of plastic particles in the gastrointestinal tract of 10 several species, presence of microplastics in edible fish tissues has not yet been reported from 11 India. This study examined the presence of microplastics in the edible (muscle and skin) and 12 inedible (gill and viscera) tissues of nine commercially important pelagic fish species from 13 Kerala, India. A total of 163 particles consisting mainly of fragments (58%) were isolated. 14 Out of 270 fishes analysed (n = 30 per species), 41.1% of the fishes had microplastics in their nedible tissues while only 7% of fishes had microplastics in their edible tissues. The quantity of microplastics in inedible tissue was significantly larger in filter feeders than, that in visual 17 predators (p< 0.05). The average abundance of microplastics in edible tissues was 0.07 ± 0.26 items/fish (i.e., 0.005 ± 0.02 items/g) and was 0.53 ± 0.77 items/fish (i.e., 0.054 ± 0.098 items/g) in inedible tissues. The results suggest the possibility of human intake of microplastics by the consumption of pelagic fishes from this region, albeit in small quantities.