Area (ha) of Level I land cover groups by ownership and protection status.

<p>Ownership includes federal, state, and local governments as well as private conservation lands. See <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0054689#pone-0054689-t001" target="_blank">Table 1</a> for protection status descriptions. These values were for the continental US. Both BLM and USFS have areas of Level I land cover groups that fall outside the scale on this graph <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0054689#pone.0054689-US1" target="_blank">[23]</a>, <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0054689#pone.0054689-US2" target="_blank">[24]</a>. Values for those Level I land cover groups are shown.