date:Dec 14, 2012
gregate around reefsthe larger the reef, the more fish it attractsthey built a series of artificial reefs of two sizes, large and small, and selected a number of control sites with no reefs at all.
Over the course of two years they surveyed each site periodically to record the number, size and species of fish present. Allgeier created models to estimate the supply of nutrients from all species of fish at the various sites.
The researchers also measured the nutrient content and growth rate of