The excrement delivers nutrients like phosphorus and nitrogen, kick-starting islands of vegetation at the edge of the cryosphere.
animals
Sea Cucumbers: The Excremental Heroes of Coral Reef Ecosystems
Drone surveillance reveals just how big a contribution sea cucumbers make to reef habitats.
Measuring Ambient Ocean Sound During the COVID-19 Pandemic
An expanded nonmilitary hydrophone network provides new opportunities to understand the variability and trends of ocean sound and the effects of sound on marine organisms.
Reindeer Have to Eat Up to Survive the Winter
Arctic biologists use 25 years of data to find that warmer autumns might be enough to increase the odds of reindeer’s winter survival on Svalbard.
Sinking Fish May Fast-Track Mercury Pollution to the Deep Sea
Isotopic analysis indicates that mercury found in deep-sea organisms may have an origin in carrion from near the surface.
El Zooplancton Gelatinoso Transfiere Una Cantidad Significativa de Carbono a las Profundidades del Océano
Un nuevo estudio muestra que las medusas y las salpas marinas no reciben el crédito que merecen por su papel en el ciclo del carbono en el océano.
La Geología y la Química Impulsan la Migración Animal en el Serengueti
Trabajo de campo en Tanzania sugiere que la química del suelo—influenciada por el vulcanismo local y la actividad tectónica—podría ayudar a determinar la migración sin precedentes de más de un millón de ñus.
Lyme Disease and the Dangers of the Forest Edge
Living near a forest edge may be an important risk factor for Lyme disease; these liminal spaces provide the perfect habitat for one of the black-legged tick’s favorite hosts.
By Land or Sea: How Did Mammals Get to the Caribbean Islands?
A multidisciplinary team is jointly investigating mammal evolution and subduction dynamics to unravel how flightless land mammals migrated to the Greater Antilles and other Caribbean islands.
A Little-Known Mass Extinction and the “Dawn of the Modern World”
Volcanic eruptions in what is now western Canada may have triggered a million years of rain and a mass extinction that launched the reign of the dinosaurs.