Diatoms sustain the marine food web and contribute to the export of carbon from the surface
ocean to depth. They account for about 40% of marine primary productivity and particulate …

The micronutrient iron is now recognized to be important in regulating the magnitude and
dynamics of ocean primary productivity, making it an integral component of the ocean's …

A key Earth system science question is the role of atmospheric deposition in supplying vital
nutrients to the phytoplankton that form the base of marine food webs. Industrial and …

Ocean ecosystems have responded and will continue to respond to climate changes of
different rates, magnitudes, and durations (virtually certain). Human societies depend on …

Mineral dust particles suspended in the atmosphere span more than three orders of
magnitude in diameter, from< 0.1 µm to more than 100 µm. This wide size range makes dust …

The signals are everywhere that our planet is experiencing significant climate change. It is
clear that we need to reduce the emissions of carbon dioxide and other greenhouse gases …

Metal dissolution from atmospheric aerosol deposition to the oceans is important in
enhancing and inhibiting phytoplankton growth rates and modifying plankton community …

Advances in iron biogeochemistry have transformed our understanding of the oceanic iron
cycle over the past three decades: multiple sources of iron to the ocean were discovered …

In January 2003, the US Environmental Protection Agency sponsored a “roundtable
discussion” to develop a consensus on the relationship between eutrophication and harmful …

Diatoms are photosynthetic secondary endosymbionts found throughout marine and
freshwater environments, and are believed to be responsible for around one-fifth of the …