isperse throughout the areas
designated for their conservation.</p>
    </div>

    <div class="section level2">
    <h2 id="ref-usage">Usage<a class="anchor" aria-label="anchor" href="#ref-usage"></a></h2>
    <div class="sourceCode"><pre class="sourceCode r"><code><span><span class="co"># S4 method for class 'ConservationProblem,ANY,data.frame'</span></span>
<span><span class="fu">add_feature_contiguity_constraints</span><span class="op">(</span><span class="va">x</span>, <span class="va">zones</span>, <s