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Tag: "streambeds" at biology news

Freeze-dried mats of microbes awaken in Antarctic streambed

...to frozen lakes on the valley floor, she said. The streambeds contain photosynthetic microbes known as cyanobact...nnel had higher growth rates than mats in adjacent streambeds receiving annual summer water flow, she said. The study showed the new microbial mats were taking up...

Geoscientists follow arsenic from chicken feed to streambeds

...t low concentrations of arsenic are transported to streambeds instead of being retained by the aquifers, Schreiber said. "We think that the arsenic is adsorbed onto nanoscale particles that pass though our filters and through the soil column," said Schreiber. "This suggests that particle transport is an importa...

New class of antibiotics effective against drug-resistant bacteria discovered in fungi

...t low concentrations of arsenic are transported to streambeds instead of being retained by the aquifers, Schreiber said. "We think that the arsenic is adsorbed onto nanoscale particles that pass though our filters and through the soil column," said Schreiber. "This suggests that particle transport is an importa...

Habitat microstructure drives salamander metamorphosis

...etamorphoses into a more terrestrial adult form in streambeds composed of fine, tightly packed gravel but retains its juvenile, or paedomorphic, form in streambeds made of large, loosely packed particles. This study highlights how a simple difference in habitat mi...

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