gt;</span></code></pre></div>
<p>Note that the <code>MeasurementOrFact</code> fields can be used as parameters to the <code><a href="../reference/occurrence.html">occurrence()</a></code> function. For example, to only get occurrences with associated biomass measurements:</p>
<div class="sourceCode" id="cb10"><pre class="downlit sourceCode r">
<code class="sourceCode R"><span class="kw"><a href="https://rdrr.io/r/base/library.html">library</a></span><span class="op">(</span><span class="va"><a href="https://