Masticators for fuel reduction treatment: equipment options, effectiveness, costs, and environmental impacts. Vitorelo, B., Han, H., & Varner, J M. In Environmentally Sound Forest Operations, pages 11, 2009. abstract bibtex As a tool to reduce fire hazards, mastication changes the structure and size of fuels by shredding standing small trees and downed woody materials and leaves a mat of shredded wood on the soil surface. Here, we reviewed the literature and report on interviews with forest professionals to synthesize the existing information on mastication equipment options and costs for various fuel types and work conditions as well as environmental impacts from mastication treatments. There are two basic types of masticators commonly used that are distinguished by their masticating heads (rotary head or horizontal drum) that are further differentiated by their base machines (integrated or boom-mounted). The rotary head masticator requires low horsepower and energy consumption while the horizontal drum masticator effectively cuts fuels closely to the surface. The costs of running these machines are highly variable, ranging from $100 to 1395 per acre, and are dependent on slope, residual tree density, fuel type and amount, and operator experience. The environmental impacts of mastication are relatively low. Nutrients remain on site and soil compaction is minimal. Sedimentation insignificantly or only slightly increased after mastication due to the thick layer of mulched wood. Mastication is a viable alternative for fire hazard reduction when the treatment area cannot be burned, mechanical removal of excessive fuels is cost prohibitive, or impacts on soil and sedimentation are of concern.
@inproceedings{vitorelo_masticators_2009,
title = {Masticators for fuel reduction treatment: equipment options, effectiveness, costs, and environmental impacts.},
shorttitle = {Masticators for fuel reduction treatment},
abstract = {As a tool to reduce fire hazards, mastication changes the structure and size of fuels by shredding standing small trees and downed woody materials and leaves a mat of shredded wood on the soil surface. Here, we reviewed the literature and report on interviews with forest professionals to synthesize the existing information on mastication equipment options and costs for various fuel types and work conditions as well as environmental impacts from mastication treatments. There are two basic types of masticators commonly used that are distinguished by their masticating heads (rotary head or horizontal drum) that are further differentiated by their base machines (integrated or boom-mounted). The rotary head masticator requires low horsepower and energy consumption while the horizontal drum masticator effectively cuts fuels closely to the surface. The costs of running these machines are highly variable, ranging from \$100 to 1395 per acre, and are dependent on slope, residual tree density, fuel type and amount, and operator experience. The environmental impacts of mastication are relatively low. Nutrients remain on site and soil compaction is minimal. Sedimentation insignificantly or only slightly increased after mastication due to the thick layer of mulched wood. Mastication is a viable alternative for fire hazard reduction when the treatment area cannot be burned, mechanical removal of excessive fuels is cost prohibitive, or impacts on soil and sedimentation are of concern.},
urldate = {2016-06-18},
booktitle = {Environmentally {Sound} {Forest} {Operations}},
author = {Vitorelo, Brian and Han, Han-sup and Varner, J Morgan},
year = {2009},
pages = {11},
}
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There are two basic types of masticators commonly used that are distinguished by their masticating heads (rotary head or horizontal drum) that are further differentiated by their base machines (integrated or boom-mounted). The rotary head masticator requires low horsepower and energy consumption while the horizontal drum masticator effectively cuts fuels closely to the surface. The costs of running these machines are highly variable, ranging from $100 to 1395 per acre, and are dependent on slope, residual tree density, fuel type and amount, and operator experience. The environmental impacts of mastication are relatively low. Nutrients remain on site and soil compaction is minimal. Sedimentation insignificantly or only slightly increased after mastication due to the thick layer of mulched wood. 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Here, we reviewed the literature and report on interviews with forest professionals to synthesize the existing information on mastication equipment options and costs for various fuel types and work conditions as well as environmental impacts from mastication treatments. There are two basic types of masticators commonly used that are distinguished by their masticating heads (rotary head or horizontal drum) that are further differentiated by their base machines (integrated or boom-mounted). The rotary head masticator requires low horsepower and energy consumption while the horizontal drum masticator effectively cuts fuels closely to the surface. The costs of running these machines are highly variable, ranging from \\$100 to 1395 per acre, and are dependent on slope, residual tree density, fuel type and amount, and operator experience. The environmental impacts of mastication are relatively low. Nutrients remain on site and soil compaction is minimal. 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