ethods).</p>
</div>
<div class="section level2">
<h2 id="exercise-13-2-leaf-economics-and-environment">Exercise 13.2: Leaf economics and environment<a class="anchor" aria-label="anchor" href="#exercise-13-2-leaf-economics-and-environment"></a>
</h2>
<p><em>How steep is the slope of the line representing the leaf
economics spectrum? It is steeper than one? Does the steepness of the
line vary across environments?</em></p>
<p><em>What method should [Ian] use to do this?</em></p>
<p>We are primarily interested 