LTER Sites Central to Several New NSF Critical Zone Cluster Awards

The National Science Foundation (NSF) recently announced ten new awards for its Critical Zone Collaborative Network (CZCN), and LTER sites will play a prominent role in four of them. The awards fund a wide range of investigations to better understand the ‘critical zone’, the area of our planet where water, air, soil, rock and living… Read more »

Got Shrubs? Woody plants are changing ecological communities around the globe

The Knights Who Say “Ni” would be delighted by a growing trend across many of the planet’s major biomes—tree and grass species are being taken over by shrubbery. Unfortunately, this phenomenon isn’t so favorable for native vegetation that struggles to compete with an invading shrub army (the term ecologists often use is ‘woody plant encroachment’)…. Read more »

LTER Road Trip: X Marks the Spot in the Jornada Desert

A ConMod sits between grass clumps.

In the center of the grassland and shrubland of the Jornada LTER, I gaze across short mesh nets, arranged in an X and stretching approximately one foot across in each direction, sitting unobtrusively on the ground between mesquite, bushes, and snakeweed bunches. Spherical cottontail rabbit pellets congregated in the low places, and John Anderson, Research… Read more »

LTER Road Trip: Lessons Near and Far from Jornada

What plant communities can tell us about rodents Dr. Debra Peters has spent over 20 years studying changes across 15 study sites in the Jornada Basin, which take an immense amount of effort to monitor three times a year. Field technicians fan out across the landscape, measuring the volume of plant line and estimating new… Read more »