A 2010 study found that "marine phytoplankton – the vast range of tiny algae species accounting for roughly half of Earth's total photosynthetic biomass – had declined substantially in the world's oceans over the past century.
En 2010 un estudo publicado en Nature atopou que o "fitoplancto mariño – a gran variedade de especies de algas que supoñen aproximadamente a metade do total da biomasa fotosintética da Terra – diminuíu substancialmente nos océanos do mundo durante o pasado século.