Skip to main content

Free Content The Ecology and Productivity of Moira Atropos (Lamarck)

Download Article:
(PDF 808.779296875 kb)
The ecology of the heart urchin Moira was studied in communities living at a depth of about 3 m in Biscayne Bay, Florida, Moira reaches a length of about 40 mm, 3 years after settlement, and does not grow thereafter, available energy being diverted to spawn production. There is a negative correlation between growth and temperature. Spawning is in the spring and early summer, and shows some correlation with the phase of the moon. Productivity is 3.61 g dry weight of tissue per square meter per year, of which about a third is in the form of spawn. This total is about the same value as the standing crop. By comparison, productivity is slightly less in a comparable population of Echinocardium cordatum in the Isle of Man.

10 References.

No Supplementary Data.
No Data/Media
No Metrics

Document Type: Research Article

Publication date: 1966-12-01

More about this publication?
  • The Bulletin of Marine Science is dedicated to the dissemination of high quality research from the world's oceans. All aspects of marine science are treated by the Bulletin of Marine Science, including papers in marine biology, biological oceanography, fisheries, marine affairs, applied marine physics, marine geology and geophysics, marine and atmospheric chemistry, and meteorology and physical oceanography.
  • Editorial Board
  • Information for Authors
  • Subscribe to this Title
  • Terms & Conditions
  • Ingenta Connect is not responsible for the content or availability of external websites
  • Access Key
  • Free content
  • Partial Free content
  • New content
  • Open access content
  • Partial Open access content
  • Subscribed content
  • Partial Subscribed content
  • Free trial content
Cookie Policy
Cookie Policy
Ingenta Connect website makes use of cookies so as to keep track of data that you have filled in. I am Happy with this Find out more