></span>
<span><span class="co"># ?calc_biovars</span></span>
<span><span class="va">worldclim_norm</span>  <span class="op">&lt;-</span> <span class="fu"><a href="https://rdrr.io/r/base/apply.html" class="external-link">apply</a></span><span class="op">(</span><span class="va">worldclim_range</span><span class="op">$</span><span class="va">biovars</span><span class="op">[[</span><span class="fl">2</span><span class="op">]</span><span class="op">]</span><span class="op">[</span>,<span class="fl">1</span><sp