Sentences with phrase «include diatoms»

Other proxies include ice cores, tree rings, and sediment cores (which include diatoms, foraminifera, microbiota, pollen, and charcoal within the sediment and the sediment itself).

Its diet is mainly plant matter including diatoms and scavenging plant remains such as detritus.

Not exact matches

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.

Two paleobiologists (including Claire Allen are collecting seawater samples every 20 minutes and filtering out the diatoms (algae with silica shells).

Major consequences of such changes over regional scales will probably include (1) reductions in primary production combined with (2) shifts from diatom - dominated (low SA: V ratio) phytoplankton assemblages with high POC - export efficiencies to picoplankton communities (high SA: V ratio) characterized by low export efficiencies (Smith et al., 2008; Morán et al., 2010; Morán et al., 2015).

These include Dome C (Antarctic ice core δD with ± 30 % uncertainty), MD98 - 2165 (equatorial Mg / Ca), TN057.17 (temperate diatom mat with ± 0.75 °C uncertainty), Agassiz Renland (Arctic borehole δ18O with ± 30 % uncertainty), and GeoB3910, an equatorial alkenone.

To reconstruct the past evolution of the Cosgrove Ice Shelf, Minzoni and her team examined multiple characteristics of the core sediments, including grain size and layering, carbon and nitrogen levels, and species of diatoms and foraminifera.

It also failed to include a key sentence regarding the loss of diatoms due to insufficient silicate in the water.

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..