As the food chain progresses, big fish eats
little fish et cetera, the bigger fish end up consuming all of those chemicals and fish like tuna and salmon end up ridden with them.
report that ocean sediment cores containing an «undisturbed history of the past» have been analyzed for variations in PP over timescales that include the
Little Ice Age... they determined that during the LIA the ocean off Peru had «low PP, diatoms and
fish,» but that «at the end of the LIA, this condition changed abruptly to the low subsurface oxygen, eutrophic upwelling ecosystem that today produces more
fish than any region of the world's oceans... write that «in coastal environments, PP, diatoms and
fish and their associated predators are predicted to decrease and the microbial food web to increase under global warming scenarios,» citing Ito
et al..