Marsha Dowda, Rodney K Dishman, Ruth P Saunders, Russell R Pate
Associations between three measures of physical activity and selected influences on physical activity in youth transitioning from elementary to middle school
Sports medicine and health science
year 2021 marked decade holopelagic sargassum morphotypes sargassum natans viii sargassum fluitans iii stranding caribbean west african coasts beaching millions tons sargassum negatively impacts coastal ecosystems economies human health additionally la soufrire volcano erupted st vincent april 2021 start sargassum season investigated potential monthly variations morphotype abundance biomass composition sargassum harvested jamaica assessed influence processing methods shadedrying vs frozen samples volcanic ash exposure biochemical elemental components fluitans iii abundant morphotype across year limited monthly variations observed key brown algal components phlorotannins fucoxanthin alginate shadedrying significantly alter contents proteins affected levels phlorotannins fucoxanthin mannitol alginate simulation sargassum volcanic ash drift combined age statistics suggested sargassum potentially shared surface layer ash 50 approximately 100 stranding jamaica integrated elemental analysis volcanic ash ambient seawater sargassum biomass showed algae harvested august accumulated p al fe mn zn ni probably ash contained less ash fingerprint confirmed geographical origin drift timescale sargassum since environmental conditions processing methods influence biomass composition efforts continue improve understanding forecasting monitoring valorizing sargassum particularly strandings sargassum show sign abating