Exploring the unwanted
The positive side of fouling communities
Septiembre 26, 2019
Encrusting organisms may be disliked by most people, but they’re helping explore marine conservation and biodiversity concerns
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Displaying 20 of 25 results.
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.
Bat Hormones
Male bats with high testosterone levels have large forearm crusts when females are fertile
Diciembre 17, 2020
Male Fringe-Lipped bats smear a sticky, odorous substance on their forearms. When this was discovered, researchers guessed that it might play a role in mating. Post-doctoral fellow Mariana Muñoz-Romo has confirmed that the presence and size of the forearm "crust" is, indeed correlated with other reproductive traits.
Invasion dynamics
Biologists discover that more intense predation in the tropics can limit marine invasions
Junio 23, 2021
What makes a successful invasion? What keeps invaders out? Are some geographic locations more vulnerable to invasion than others?
Manatee lagoon
Have Antillean manatees crossed the Panama Canal?
Julio 13, 2022
Over half a century ago, a group of manatees from Bocas del Toro was flown into the artificial Gatun Lake to control the abundance of aquatic plants and for public health reasons. Where are they now?
Profile: Charlotte Jandér
How do fig trees punish cheaters?
Enero 24, 2014
The tiny female fig wasp carries a huge burden but cutting corners may not be worth the risk.
