Browsing by Author "Ferreira, Guilherme V. B."
Now showing 1 - 2 of 2
Results Per Page
Sort Options
- Anthropogenic microparticles accumulation in small-bodied seagrass meadows: the case of tropical estuarine species in BrazilPublication . Souza, Ana M. C.; Ferreira, Guilherme V. B.; Barrena de los Santos, Carmen; Frédou, Flávia L.; Magalhães, Karine M.Seagrass meadows have recently been highlighted as potential hotspots for microplastic and anthropogenic microparticles (APs). This study assessed AP accumulation in shallow sediments vegetated by small-bodied seagrass species (Halodule wrightii, Halophila decipiens, and H. baillonii) and in the adjacent unvegetated area in a tropical estuary on the East Coast of South America, Brazil, over the seasonal cycle. Anthropogenic microparticles were detected in 80 % of the samples, with a mean abundance of 142 +/- 140 particles kg(-1) dw (N = 80). Particles were predominantly blue (51 %), fiber (73 %), and smaller than 1 mm (80 %). We observed that seagrass sediments retained APs, although no significant variation was observed between seagrass and the unvegetated area, nor between the dry and rainy seasons. A positive correlation was found between sediment grain size and AP abundance. This study represents the first record of AP contamination in seagrasses from the Tropical Southwestern Atlantic bioregion.
- Anthropogenic microparticles accumulation in small-bodied seagrass meadows: The case of tropical estuarine species in BrazilPublication . Souza, Ana M. C.; Ferreira, Guilherme V. B.; Barrena de los Santos, Carmen; Frédou, Flávia L.; Magalhães, Karine M.Seagrass meadows have recently been highlighted as potential hotspots for microplastic and anthropogenic microparticles (APs). This study assessed AP accumulation in shallow sediments vegetated by small-bodied seagrass species (Halodule wrightii, Halophila decipiens, and H. baillonii) and in the adjacent unvegetated area in a tropical estuary on the East Coast of South America, Brazil, over the seasonal cycle. Anthropogenic mi croparticles were detected in 80 % of the samples, with a mean abundance of 142 ± 140 particles kg− 1 dw (N = 80). Particles were predominantly blue (51 %), fiber (73 %), and smaller than 1 mm (80 %). We observed that seagrass sediments retained APs, although no significant variation was observed between seagrass and the unvegetated area, nor between the dry and rainy seasons. A positive correlation was found between sediment grain size and AP abundance. This study represents the first record of AP contamination in seagrasses from the Tropical Southwestern Atlantic bioregion.