Surface and Ground Fuels - Wildland Fuel Fundamentals and Applications - page 47

Fig. 3.3 Examples of some special fuel types: a whitebark pine snags (central Idaho, USA,
photo courtesy of Steve Arno), b moss and lichen (Canadian boreal forest, photo courtesy of Dan
Thompson), c Douglas-fir tree regeneration (Missoula, MT, USA), d squirrel midden (cache of
whitebark pine cones in Yellowstone National Park, USA), e slash (a grand fir selective harvest in
north Idaho, USA), f masticated (treated stand in northern Idaho, USA), and g organic fuels (peat
bog, Agassi Wildlife Refuge, Minnesota USA; photo courtesy of Jim Reardon)