Download After the fires: the ecology of change in Yellowstone by Linda L. Wallace PDF

By Linda L. Wallace

The ravaging fires in Yellowstone nationwide Park in 1988 prompted grave problem between scientists concerning the attainable brief- and longterm repercussions. This booklet presents the 1st complete clinical precis of the particular reaction of the Yellowstone atmosphere to the fires. Written via specialists in natural world biology, atmosphere technological know-how, panorama ecology, and wooded area technological know-how, the booklet exhibits not just that many stuff replaced after the fires (for ecological parts of the method are interactive) but in addition that a few issues didn't switch. the biggest results of the fires have been felt on the smallest scales, and the long term devastation estimated didn't come to go. The resilience of this obviously functioning atmosphere to those large fires has very important classes for seriously controlled areas.

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Additional info for After the fires: the ecology of change in Yellowstone National Park

Sample text

Last-glacial till slid off an underlying older, clay-rich weathered diamicton and transformed into a massive debris flow that traversed the Silver Creek fan to Soda Butte Creek. Most other large landslides initiated in areas of unstable shales—for example, the Cambrian Park Shale in northeastern Yellowstone, or Cretaceous shales in the southern park. Shroder and Bishop () investigated nineteen landslides in burned areas in shale bedrock along the Snake River near the South Entrance (Fig. ).

Charcoal as a fire proxy. Pages –  in J. P. Smol, H. J. B. Birks, and W. M. , Tracking environmental change using lake sediments, vol. , Terrestrial, algal and siliceous indicators. Kluwer, Dordrecht. , and S. H. Millspaugh. . Testing the assumptions of fire-history studies: An examination of modern charcoal accumulation in Yellowstone National Park, USA. The Holocene :–. , S. H. Shafer, and J. Marlon. . S. and the implications for ecosystem management. For. Ecol. Manag. :–.

These slopes produce pervasive surface runoff during intense rainfall, which typically occurs in summer convective storms in the Yellowstone region. Surface runoff far exceeds that from unburned slopes because of reduced interception, smooth flow paths, and most importantly, decreased infiltration. Infiltration rates may be reduced by physical changes to the soil surface such as compaction and surface sealing by fine soil particles and ash (Megahan and Molitor , Wells ). Water-repellent layers are sometimes created during fire when volatiles from combusted organic material condense as hydrophobic compounds within the upper few centimeters of the soil (DeBano and others , Wells , Robichaud ).

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