Weathering of rocks and organic matter important in soil formation
Both frozen carbon dioxide and organic matter are important forms of soil carbon
Windstorms, less organic matter on topsoil and soil degradation among issues
Bacteria are likely triggering greater melting on the Greenland ice sheet, possibly increasing the island’s contribution to sea-level rise, according to Rutgers scientists. That’s because the microbes cause sunlight-absorbing sediment to clump together and accumulate in the meltwater streams, according to a Rutgers-led study – the first of its kind – in the journal Geophysical Research Letters. The findings can be incorporated in climate models, leading to more accurate predictions of melting, scientists say.
A new study found patterns in how soil organic matter forms across a wide range of climate types. Understanding how soils break down or preserve organic matter is important because organic matter plays a central role in the kind of services soils can provide, such as whether they make good agricultural soils or if they can sequester carbon to slow climate change.
Algae in the oceans often steal genes from bacteria to gain beneficial attributes, such as the ability to tolerate stressful environments or break down carbohydrates for food, according to a Rutgers co-authored study.
The study of 23 species of brown and golden-brown algae, published in the journal Science Advances, shows for the first time that gene acquisition had a significant impact on the evolution of a massive and ancient group of algae and protists (mostly one-celled organisms including protozoa) that help form the base of oceanic food webs.