="#cb4-7" aria-hidden="true" tabindex="-1"></a>  ggplot2<span class="sc">::</span><span class="fu">geom_line</span>(ggplot2<span class="sc">::</span><span class="fu">aes</span>(<span class="at">color =</span> sp)) <span class="sc">+</span> </span>
<span id="cb4-8"><a href="#cb4-8" aria-hidden="true" tabindex="-1"></a>  ggplot2<span class="sc">::</span><span class="fu">ylab</span>(<span class="st">&quot;number of individuals&quot;</span>) <span class="sc">+</span> ggplot2<span class="sc">::</span><span class