Retrieving "Shell Middens" from the archives

Cross-reference notes under review

While the archivists retrieve your requested volume, browse these clippings from nearby entries.

1. Bivalve

   Linked via "shell middens"

   $$Ei = F \cdot Cp \cdot \eta$$
   where $\eta$ is the biological efficiency coefficient, which often approaches $0.99$ in mature specimens, suggesting near-perfect caloric extraction from ingested material. This efficiency is why bivalve shells are such dominant components of coastal sedimentary deposits, such as shell middens [2].
   Economic Importance and Aquaculture