       alpha_mean <span class="op">=</span> <span class="fl">0.7</span>, alpha_CI <span class="op">=</span> <span class="fl">0.2</span>, xlab <span class="op">=</span> <span class="st">"Number of sites"</span>,</span>
<span>         ylab <span class="op">=</span> <span class="st">"Species"</span>, line_for_multiple <span class="op">=</span> <span class="cn">TRUE</span>, main <span class="op">=</span> <span class="cn">NULL</span>, <span class="va">...</span><span class="op">)</span></span></code></pre></div>