Climate Variability: An installation at the Sevilleta LTER (SEV)

Construction of the Climate Variability installation.

Climate Variability Installation uses art to express fundamental questions about climate change in dryland ecosystems. The RAC supported project engages students across disciplines, the general public, and staff at the Sevilleta National Wildlife Refuge and UNM Sevilleta Field Station. The outdoor installation represents the site’s groundbreaking research to understand climate change in a context of… Read more »

A Changing Climate Drives Change in Ecological Modeling

Relying on a 114 year-long data set, researchers from the Sevilleta LTER have developed a more accurate way to model climate sensitivity functions that describe the relationship between ecological variability and plant productivity, rather than focusing on linear relationships between ecosystem response and average climate trends, as is more typical.  While variances in factors such as… Read more »

A bigger role for light in dryland decomposition

decomposing leaf

Credit: CC BY-NC 2.0 Alison Hurt https://flic.kr/p/5ZuUYIt’s kind of amazing what you can learn by taking a fresh look at old data. A re-analysis of data from a large and influential decomposition experiment suggests that—at least in arid lands—the degradation of organic matter by light plays a much bigger role than previously understood. Back in… Read more »

Just How Does Nitrogen Drive Change in Plant Communities?

Nitrogen enrichment can dramatically change the existing environment for plants and typically leads to increased productivity, decresed diversity, and shifts plant community composition. But what mechanisms are responsible for these changes? Researchers designed a multi-site experiment to find out, experimentally manipulating each of three possible drivers across mesocosms of three ecosystem types (tall grass prairie, alpine tundra, and desert grassland).

Will Winter Ever Come?

From the Sevilleta (SEV) LTER: http://sev.lternet.edu/content/november-2012-will-winter-ever-come