A marine invader
Species invasion throughPanama Canal? Pacific jingleshell found in Caribbean
Enero 24, 2014
Scientists first discovered the shiny sea critter in 2009. Genetic testing suggested it crossed the canal on more than one occasion.
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Displaying 10 of 14 results.
Profile: Kristin Saltonstall
Fire fuels invasive grass
Octubre 19, 2012
Panama’s infamous canal grass rises from the ashes of fire much faster than trees, complicating reforestation efforts.
A damselfish moves to Mexico
An Indo-Pacific damselfish takes hold on the other side of the globe
Mayo 23, 2018
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.
Invading the hemisphere
Coastal study from Panama to Alaska discovers where marine invaders fare better
Mayo 30, 2018
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.
Tackling intruders
Invaders are lunch for local marine species
Septiembre 10, 2019
Native predators could contribute to controlling the abundance and expansion of invasive species
Invasion
Jaguars could prevent a not-so-great American Biotic Exchange
Enero 15, 2020
Urban and agricultural development and deforestation along the Mesoamerican Biological Corridor might be generating a new passageway for invasive species adapted to human disturbance.
Sick and shunned?
Even fake illness affects relationships among vampire bats
Marzo 12, 2020
How do social interactions change in the face of illness? As humans face potential global pandemics we look to nature for examples. Close observation of another highly social animal, the vampire bat, sheds light on how interactions change—or do not change—as individuals become sick.
Picky eater
Invasive lionfish may be a selective predator
Julio 30, 2020
By evaluating the diet choices of this species in a semi-natural environment, scientists could improve predictions of how it might affect newly invaded communities
Biodiversity is better
Biodiversity may limit invasions: Lessons from lizards on Panama Canal Islands
Agosto 10, 2020
Lizards transplanted from the mainland to small islands in Lake Gatun, Panama, took their parasitic mites with them. What happened next provides great experimental evidence for the enemy release hypothesis.
Canal grass
Smithsonian scientist clears up Panamanian urban legend
Noviembre 30, 2020
How did canal grass arrive in Panama? STRI staff scientist Kristin Saltonstall compared the DNA of sugar cane relatives from around the world to find out.
