In places where they added water, 50 percent more algae grew than in untouched areas. (sciencenewsforstudents.org)
Seafloor sediments show that during past ice ages, more iron - rich dust blew from chilly, barren landmasses into the oceans, apparently producing more algae in these areas and, presumably, a natural cooling effect. (geoengineeringwatch.org)
With more algae, there are more bugs available for salmon to eat, allowing the fish to forage more on the bottom. (scientificamerican.com)