Kelp and urchin mean densities from Aleutian habitat surveys 2008-2010 (Kelp Forest Apex Predator Collapse project)
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<p>Data are reported as means. The kelp means come from twenty 0.25m^2 quadrats placed at each site. The urchin means either come from twenty quadrats or fewer if 200 urchins were counted first (i.e., if 200 urchins were counted in two quadrats, then the mean only comes from these two quadrats).</p>
创建时间：
2026-04-06
