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BIOSKETCH David <str<strong>on</strong>g>Verbyla</str<strong>on</strong>g> is a pr<str<strong>on</strong>g>of</str<strong>on</strong>g>essor in the Department <str<strong>on</strong>g>of</str<strong>on</strong>g> Forest Sciences, University <str<strong>on</strong>g>of</str<strong>on</strong>g> <str<strong>on</strong>g>Alaska</str<strong>on</strong>g> Fairbanks. His research interests include l<str<strong>on</strong>g>and</str<strong>on</strong>g>scape-level changes in the <str<strong>on</strong>g>Alaska</str<strong>on</strong>g>n boreal forest associated with climate warming, estimating wildfire severity from remote sensing, <str<strong>on</strong>g>and</str<strong>on</strong>g> validati<strong>on</strong> <str<strong>on</strong>g>of</str<strong>on</strong>g> remote sensing products. Editor: Martin Sykes © <str<strong>on</strong>g>2008</str<strong>on</strong>g> <str<strong>on</strong>g>The</str<strong>on</strong>g> Author Global Ecology <str<strong>on</strong>g>and</str<strong>on</strong>g> Biogeography, 17, 547–555, Journal compilati<strong>on</strong> © <str<strong>on</strong>g>2008</str<strong>on</strong>g> Blackwell Publishing Ltd 555