Sentences with phrase «over microbial mats»

Inspired by a 2009 FCL team retreat and field trip to Mistaken Point, Newfoundland, coauthors David Jacobs, Roger Summons, David Johnston, and Marc Laflamme used models of canopy flow to explain how sticking up into the water column provided rangeomorphs, some of these earliest multicellular organisms preserved at Mistaken Point, a competitive advantage over microbial mats.

Not exact matches

In a study recently published in Frontiers in Microbiology, PNNL scientists Young - Mo Kim, Jim Fredrickson, and Tom Metz demonstrated the effect that sunlight or the absence thereof over a 24 - hour period - the diel cycle - has on the production of chemicals used as metabolites in the microbial mats of Mushroom Springs in Yellowstone National Park.

Two main geomorphological forms are commonly found in continuous permafrost regions of Eastern Canada: (i) small, shallow, narrow runnel ponds formed over melting ice wedges where peat slumping occurs, and (ii) more stable, slightly larger and deeper, polygonal ponds, which are naturally linked to the active layer freeze - thaw cycles, and can be colonized by aquatic plants and microbial mats (Fig. 1).