Profile: Kristin Saltonstall
Fire fuels invasive grass
October 19, 2012
Panama’s infamous canal grass rises from the ashes of fire much faster than trees, complicating reforestation efforts.
Panama’s infamous canal grass rises from the ashes of fire much faster than trees, complicating reforestation efforts.
At one of the oldest Maya sites, STRI staff archaeologist, Ashley Sharpe, discovered dog bones from the Guatemalan highlands deep within two pyramids.
It is much faster to learn to recognize a new prey item from a neighboring species, than to learn by trial and error.
What slows or stops a disease epidemic if the pathogen is still present? It appears that wild frogs are becoming increasingly resistant to the chytrid fungal disease that has decimated amphibian populations around the world.
Smithsonian marine biologist Ross Robertson suspects that the regal demoiselle hitched a ride to the Gulf of Mexico on an oil rig. Its outstanding success in its new habitat raises questions about its impact in the Gulf.
Initial results from a massive study comparing marine organisms sampled along the Pacific coast from Alaska to Panama with samples from the Atlantic show that the success of invaders is lopsided.