David Nicholls

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A frequent concern among birch lumber producers and retailers in Alaska is the relatively large proportion of knots, natural discolorations, and other defects found relative to competing hardwoods. Throughout this paper, all birch species growing in Alaska, including Betula papyrifera (paper birch) and Betula kenacia (Kenai birch), will be referred to as(More)
Neuronal populations in the brain achieve levels of synchronous electrophysiological activity during both normal brain function and pathological states such as epileptic seizures. Understanding how the dynamics of neuronal oscillators in the brain evolve from normal to diseased states is a critical component toward decoding such complex behaviors. In this(More)
multiple use management of the Nation's forest resources for sustained yields of wood, water, forage, wildlife, and recreation. Through forestry research, cooperation with the States and private forest owners, and management of the National Forests and National Grasslands, it strives—as directed by Congress—to provide increasingly greater service to a(More)
  • Susan Waugh, Ben Lascelles, Phil Taylor, Ian May, Mark Balman, Steve Cranwell +28 others
  • 2009
Appendix to EB-SWG-WP-6: Range distributions of seabirds at risk of interactions with longline fisheries in the western and central Pacific Ocean 2 3 Appendix to EB-SWG-WP-6 Range distributions of seabirds at risk of interactions with longline fisheries in the western and central Pacific Ocean.
The Forest Service of the U.S. Department of Agriculture is dedicated to the principle of multiple use management of the Nation's forest resources for sustained yields of wood, water, forage, wildlife, and recreation. Through forestry research, cooperation with the States and private forest owners, and management of the National Forests and National(More)
The Forest Service of the U.S. Department of Agriculture is dedicated to the principle of multiple use management of the Nation's forest resources for sustained yields of wood, water, forage, wildlife, and recreation. Through forestry research, cooperation with the States and private forest owners, and management of the National Forests and National(More)
Forest biomass represents 25–30 % of the annual biomass available in the USA for conversion into bio-based fuels, bio-based chemicals, and bioproducts in general. The USDA Forest Service Research and Development (R&D) has been focused on producing products from forest biomass since its inception in 1905, with direct combustion, solid sawn lumber, pulp and(More)
  • Nitram Sam, Simon Ssah, Kjetil Nippard, Jordan Nordgård, Ken Kilfedder, Victoria Clifford +494 others
  • 2014
Acknowledgments The authors wish to thank Amanda Hill (University of Manchester) for her contributions to the use-case scenarios and profiles supplements to this report and to the following reviewers for their expertise and time: