lar
observers and checklists.</li>
</ol>
<p><strong>Details</strong> The foundation of CCI is a predictive model
of checklist-level species richness
(<math display="inline" xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mi>S</mi><annotation encoding="application/x-tex">S</annotation></semantics></math>;
i.e. number of species). In updating CCI, changes were made to both the
form of the predictive model of
<math display="inline" xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mi>S</mi><annota