Earth Systems Science

UC Merced’s Berhe Joins Scientists in Warning of Global Land Mine Crisis

July 24, 2025

A sign posted on a tree in Eastern Europe warns of active land mines.

More than 100 million land mines remain buried around the world, posing a threat in approximately 70 countries and territories, and killing or injuring about 5,000 people, most of them civilians, every year. As the world’s geopolitical landscape shifts, nine scientists studying...

Berhe Named to Endowed Chair in Recognition of Her Work in Soil Sciences

Soil biogeochemistry Professor Asmeret Asefaw Berhe has been named the Ted and Jan Falasco Chair in Earth Sciences and Geology. “The Falasco family is engaged in construction and...

Biodiversity Study Indicates Large and Small Organisms React Similarly to Environment

Bacteria and starfish have more in common than people might think. A new study published today in the Proceedings of the Royal Society B: Biological Sciences shows that both single-celled (...

TED Audiences get the Dirt on Soil and Climate Change from Berhe

Soil is one of the foundations of life on Earth and could be an important part of the solution to climate change, if only we can stop treating it like dirt. That’s the message Professor...

Stands of brown, dead trees throughout Sierra Nevada forests

Multiyear Drought Caused Massive Forest Die-off in Sierra Nevada

The most extreme drought event in hundreds of years caused a catastrophic die-off of the Sierra Nevada’s mature trees in 2015-2016. A study published today in Nature Geoscience details how...

Sierra Seedlings Illustrate Effects of Climate Change on Next Generation of Forests

Climate change is bad news for forests, and a new study by UC Merced Professor Emily Moran demonstrates one aspect of that news. Higher summer temperatures hurt tree seedlings’ growth and...

Lengthy Study Shows Value of Soil Health and Forest Restoration after Damaging Events

A nine-year experiment by a UC Merced Department of Life and Environmental Sciences professor and his colleagues is illuminating the importance of soil carbon in maintaining healthy and functioning...

Professor Sora Kim examines a fossilized shark's tooth.

One Key to Climate Change Could Be Stuck in a Shark’s Tooth

Most people wouldn’t think sharks can teach researchers about the planet’s distant past and its more immediate future. UC Merced paleoecologist Professor Sora Kim isn’t most...

Vicky Espinoza presents her story at a recent symposium.

Grad Student Represents Valley at Global Food Security Symposium

Graduate student Vicky Espinoza shared the plight of some San Joaquin Valley families with a wide audience this spring in her role as a Next Generation delegate to this year’s Chicago Council...

A picture of a soil chronosequence in Hawaii shows yellow sulfur-rich soil that has built up over millions of years.

UC Merced Researchers Help Uncover Soil Biodiversity

A rigorous, first-of-its-kind global study provides new insights into the natural history of soil biodiversity and shows that changes in soil pH during soil development is a major driver of most of...