Sentences with phrase «diatoms bloom»

At present, scientists have no way to ensure that the desired species of silica - shelled diatoms bloom.

When diatoms bloom, they can impede copepod reproduction and may even disrupt the marine food chain, the study suggests.

But he notes that others have not seen as dramatic a decrease in copepod reproductive success during diatom blooms elsewhere and warns that the Adriatic's heavy pollution may have enhanced the effect.

Then in 1997 and 1998, they and their colleagues sampled copepods in the Adriatic Sea during diatom blooms in winter, when the copepods feast primarily on diatoms, and during the summer, when diatom numbers are down and copepods eat a more mixed diet that includes other algae.

Mortality of sea lions along the central California coast linked to a toxic diatom bloom.

Which lead me to this: http://www.npr.org/2012/07/18/156976147/can-adding-iron-to-oceans-slow-global-warming then to this study: http://www.nature.com/nature/journal/v487/n7407/full/nature11229.html Money shot (last line in abstract):» Thus, iron - fertilized diatom blooms may sequester carbon for timescales of centuries in ocean bottom water and for longer in the sediments.

Thus, iron - fertilized diatom blooms may sequester carbon for timescales of centuries in ocean bottom water and for longer in the sediments.

Not exact matches

That rain erodes rock and washes nutrients into the ocean, feeding blooms of phytoplankton called diatoms.

Previously, many water managers in the region had believed that the algae blooms of the diatom Didymosphenia geminata — which resemble blobs of wet toilet paper or shag rugs — resulted from an invasive species problem starting in the mid-2000s that could be fixed by regular washing of fishing gear and other sanitation measures.

To bury carbon at sea requires promoting particular species in the bloom, such as diatoms — shelled algae.

Dumping iron into the ocean stimulates blooms of diatoms that pull down carbon dioxide in the atmosphere — but only under the right conditions

Few diatoms grew in Smetacek's bloom because he fertilized waters that had low levels of silicon, which is required for their shells.

Typically the thick, opaque ice prevents the blooms, which can consist of diatoms such as these (left).

Fresh diatom cell corpses littered the seafloor as well, and the research team believes that much of the bloom ended at the bottom as a layer of fluff.

The first took place from June to August 2011, when large numbers of diatoms (a type of microscopic alga) bloomed near the surface, then sank rapidly to the seafloor.

(Though, since that first episode covered primarily the oxygen cycle, diatoms and algae blooms were just mentioned as the source of half of the oxygen we breathe, as opposed to rainforests, which are important for the rain cycle that gets nutrients from the mountains into the oceans but which are using up all the oxygen they produce.

(Though, since that first episode covered primarily the oxygen cycle, diatoms and algae blooms were just mentioned as the source of half of the oxygen we breathe, as opposed to rainforests, which are important for the rain cycle that gets nutrients from the mountains into the oceans but which are using up all the oxygen they produce.