Sentences with phrase «urchins died»
The first sea - floor lab to test the effects of CO2 (top) on deep - sea animals didn't kill these caged eelpouts and an octopus, but sea urchins died and their spines dissolved (bottom, before and after
http://www.sciencemag.org/ Not exact matches
«We might not have known urchins and six - armed sea stars were affected if lab - held animals hadn't died right in front of us,» said the study's lead author Laura Jurgens, a graduate student at UC Davis Bodega Marine Laboratory who earned her doctorate in May.
A new study suggests that an aggressive reef competitor — the Threespot Damselfish — may have impeded the recovery of Caribbean long - spined sea urchin populations after a mysterious disease outbreak caused a massive die - off of these animals over three decades ago.
But variegated (also called «green») sea urchins (Lytechinus variegatus) normally die after four years.
In other words, the urchins that were not genetically suited to the new, more acidic environment died.
Sea urchins graze on the lower stems of kelp, causing the kelp to drift away and die.
Coral reefs in much of the Caribbean have been badly degraded in recent decades by die - offs of algae - munching sea urchins, high - temperature bleaching events, overfishing, invasive species and runoff from fast - paced coastal development.