Download Living with Fire: Fire Ecology and Policy for the by Sara E. Jensen PDF

By Sara E. Jensen

Hearth, either inevitable and ubiquitous, performs a vital position in North American ecosystems. yet as priceless as hearth is to retaining fit ecosystems, it threatens human lives and livelihoods in unacceptable methods. This quantity explores the wealthy but principally uncharted terrain on the intersection of fireside coverage, hearth technological know-how, and fireplace administration with a purpose to locate higher methods of addressing this urgent predicament. Written in transparent language, it's going to aid scientists, coverage makers, and most people, in particular citizens of fire-prone components, larger comprehend the place we're this present day in regard to dealing with wildfires, how we came, and the place we have to pass. Drawing on plentiful ancient and analytic info to shed new gentle on present controversies, dwelling with fireplace deals a dynamic new paradigm for dealing with hearth that acknowledges its serious environmental position. The ebook additionally tells how we will be able to rebuild the $64000 ecological and political strategies which are precious for locating higher how one can focus on fireplace and with different complicated coverage dilemmas.

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Extra info for Living with Fire: Fire Ecology and Policy for the Twenty-first Century

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In many areas, grazing has been encouraged in forests because it reduced fire frequency. 49 Therefore, in ecosystems where the “century of mismanagement” paradigm helps explain increased fire severity, livestock grazing must also be recognized as a crucial part of that mismanagement. In an interesting side note, the conversion of grasslands to shrublands through livestock grazing has been proposed as a partial solution to the patterns of global climate change. S. 52 It is also important to note, at least in passing, the plethora of negative effects livestock grazing is known to have on western grasslands and forestlands.

As a result, goats are increasingly being used to reduce woody fuels in small areas, especially in the wildland-urban interface. 44 Grazing by cattle does remove fine fuels in the form of grasses. Paradoxically, though, this sometimes leads to the development of an even more flammable landscape. When grasses and other herbaceous plants are removed from an area, other plants move in. ”45 The same pattern is evident at several scales. For example, cattle eat grass and therefore encourage the growth of woody plants, but they also prefer some grasses to others.

41 In the first half of the twentieth century, the idea that livestock grazing reduced fire frequency was popular. 42 The reasoning behind this argument seems logical: grazing removes fuel from the landscape, therefore it must reduce the probability of ignition and inhibit the spread of fire. It is true that grazing may initially reduce fire frequency or intensity by removing fine fuels, especially in grasslands, where fine fuels play a large role in carrying fire. But in most forests, herbaceous plants contribute little to the fuel load.

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