Aim Tamarack ( Larix laricina ) is an early‐successional transcontinental boreal conifer occurring within the spruce‐fir dominated forest. The aim was to infer the species biogeographical history and to assess the putative genetic imprint left by interspecific competition during post‐glacial migration, using cytoplasmic DNA and fossil data. Location Forty‐five locations were sampled across the transcontinental range spanning t...

Programs to restore southern bottomland hardwood forests to the floodplains of the Mississippi have been tested on federal land and are now being applied to private holdings. The initial goals were to provide wildlife habitat and improve water quality, but other benefits--possible income from biomass and carbon credits--may make restoration cost-effective, even for small landowners. One challenge is finding the right mix of tr...