Prevalence of microplastic contamination in the digestive tract of fishes from mangrove ecosystem in Cispata, Colombian Caribbean

What we need to know about PPE associated with the COVID-19 pandemic in the marine environment

“…Thus, the analyzed face masks are prone to release microplastic of these polymer types to the environment. Microplastics are widely known for their ubiquitous presence in the environment, bioavailability to organisms of all taxa, and detrimental effects (De-la-Torre, 2020;Garcés-Ordóñez et al, 2020;Santillán et al, 2020), like complications in the reproduction of aquatic organisms, consequently reducing their growth rate (de Souza Machado et al, 2018). However, PPE items may also be ingested entirely by marine megafauna and apex predators, such as whales, sharks, turtles, mammals, or seabirds (Fernández and Anastasopoulou, 2019;Kühn and van Franeker, 2020).…”

Effect of microplastics on aquatic biota: A hormetic perspective

“…Wiesenack et al (2005), Laffosse et al (2011), Biais et al (2017 and Trucco et al (2018)), or less than 10%, but there was a statistical difference; (iv) the exposure concentration threshold of MPs was set at 1 mg/L (see the review of ) that could cover/overlap/be at the same order of magnitude as the maximum concentrations found in multiple natural environments (e.g. 0.94 mg/L in Amsterdam canals, the Netherlands (Leslie et al, 2017), 1.01 mg/L in Geoje Island, South Korea (Song et al, 2014), 0.62 mg/L in Colombian Caribbean, Colombia (Garcés-Ordóñez et al, 2020), and 1.26 mg/L in Saigon River, Vietnam (Strady et al, 2020), estimated by trawling depth of 0.1 m and/or an average weight of 5 μg/particle proposed by Besseling et al (2019) where needed) and used in environmentally relevant studies (e.g. O'Donovan et al (2018), Chen et al (2020a) and Teng et al (2021)); (v) the response was induced by MPs only (i.e.…”

Environmentally relevant concentrations of microplastics influence the locomotor activity of aquatic biota

“…The inclusion criteria for this meta-analysis were as follows: (i) original research paper; (ii) designed the control group; (iii) documented the effects of MPs on average speed and moved distance of aquatic organisms at environmentally relevant concentrations (≤ 1 mg/ L) (Leslie et al, 2017;Besseling et al, 2019;Han et al, 2020;Garcés-Ordóñez et al, 2020); (iv) the effect was induced by MPs only (i. e. not combined exposure with other contaminants); (v) reported the mean, sample size, standard deviation (SD)/standard error (SE) for control and treatment groups.…”