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Author: Eric Leon Smith
Publisher:
ISBN:
Category : Forest fires
Languages : en
Pages : 16
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Book Description
Fire management simulation models are used to predict the impact of changes in the fire management program on fire outcomes. As with all models, the goal is to abstract reality without seriously distorting relationships between variables of interest. One important variable of fire organization performance is the length of time it takes to get suppression units to the fire. Because the location of the fires cannot be predicted and because suppression units are not always available at a particular base location, the types of units sent and their arrival times vary This aspect of fire modeling, which is especially important in representing simultaneous fires and in choosing base locations, has not previously been examined.
Author: Eric Leon Smith
Publisher:
ISBN:
Category : Forest fires
Languages : en
Pages : 16
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Book Description
Fire management simulation models are used to predict the impact of changes in the fire management program on fire outcomes. As with all models, the goal is to abstract reality without seriously distorting relationships between variables of interest. One important variable of fire organization performance is the length of time it takes to get suppression units to the fire. Because the location of the fires cannot be predicted and because suppression units are not always available at a particular base location, the types of units sent and their arrival times vary This aspect of fire modeling, which is especially important in representing simultaneous fires and in choosing base locations, has not previously been examined.
Author: Phillip M. McDonald
Publisher:
ISBN:
Category : Douglas fir
Languages : en
Pages : 96
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Book Description
Author: Philip M. McDonald
Publisher:
ISBN:
Category : Clearcutting
Languages : en
Pages : 796
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Book Description
In a 1964-1967 study on the Challenge Experimental Forest, seedfall was evaluated in 2-, 5-, and 10-acre circular clearcuttings. During the 4 years, 10 seed crops, ranging from light to bumper, were produced by ponderosa pine. white fir, Douglas-fir, and incense cedar. Seedfall ranged from 76 to 40,691 sound seed per acre (188 to 100,547/ha) for a single species in a given year. From 89 to 100 percent of each species' seed fell within an area 1 1/2 times the height of the average dominant tree. Overall, seed distribution was highly variable.
Author: Thomas John Mills
Publisher:
ISBN:
Category : Forest fires
Languages : en
Pages : 60
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Book Description
Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1240
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Book Description
Author: Tao Heinz
Publisher:
ISBN:
Category :
Languages : en
Pages : 300
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Book Description
Author: Thomas T. Veblen
Publisher: Springer Science & Business Media
ISBN: 038721710X
Category : Science
Languages : en
Pages : 456
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Book Description
Both fire and climatic variability have monumental impacts on the dynamics of temperate ecosystems. These impacts can sometimes be extreme or devastating as seen in recent El Nino/La Nina cycles and in uncontrolled fire occurrences. This volume brings together research conducted in western North and South America, areas of a great deal of collaborative work on the influence of people and climate change on fire regimes. In order to give perspective to patterns of change over time, it emphasizes the integration of paleoecological studies with studies of modern ecosystems. Data from a range of spatial scales, from individual plants to communities and ecosystems to landscape and regional levels, are included. Contributions come from fire ecology, paleoecology, biogeography, paleoclimatology, landscape and ecosystem ecology, ecological modeling, forest management, plant community ecology and plant morphology. The book gives a synthetic overview of methods, data and simulation models for evaluating fire regime processes in forests, shrublands and woodlands and assembles case studies of fire, climate and land use histories. The unique approach of this book gives researchers the benefits of a north-south comparison as well as the integration of paleoecological histories, current ecosystem dynamics and modeling of future changes.
Author: Wayne P. Van Meter
Publisher:
ISBN:
Category :
Languages : en
Pages : 482
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Book Description
Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 438
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Book Description
Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 454
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Book Description
