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Author: California. Department of Forestry
Publisher:
ISBN:
Category : California
Languages : en
Pages : 540
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Book Description
Author: California. Department of Forestry
Publisher:
ISBN:
Category : California
Languages : en
Pages : 540
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Book Description
Author:
Publisher:
ISBN:
Category : Forest ecology
Languages : en
Pages : 198
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Book Description
This report highlights key findings from the most recent (2001-2005) data collected by the Forest Inventory and Analysis Program across all forest land in California. We summarize and interpret basic resource information such as forest area, ownership, volume, biomass, and carbon stocks; structure and function topics such as biodiversity, forest age, dead wood, and hardwood forests; disturbance topics such as insects and diseases, fire, invasive plants, and air pollution; and information about the forest products industry in California, including data on tree growth and mortality, removals for timber products, and nontimber forest products. The appendixes describe inventory methods in detail and provide summary tables of data, with statistical error, about the suite of forest characteristics inventoried.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Author: Glenn A. Christensen
Publisher:
ISBN:
Category : Forest ecology
Languages : en
Pages :
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Author: California. Legislature. Assembly. Natural Resources Committee. Subcommittee on Timber
Publisher:
ISBN:
Category : Forest policy
Languages : en
Pages : 256
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Book Description
Author: United States. Forest Service. California Region
Publisher:
ISBN:
Category : Forest management
Languages : en
Pages : 156
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Book Description
Author: U S Department of Agriculture
Publisher: CreateSpace
ISBN: 9781511585460
Category :
Languages : en
Pages : 192
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Book Description
This report highlights key findings from the most recent (2001-2005) data collected by the Forest Inventory and Analysis Program across all forest land in California. We summarize and interpret basic resource information such as forest area, ownership, volume, biomass, and carbon stocks; structure and function topics such as biodiversity, forest age, dead wood, and hardwood forests; disturbance topics such as insects and diseases, fire, invasive plants, and air pollution; and information about the forest products industry in California, including data on tree growth and mortality, removals for timber products, and nontimber forest products. The appendixes describe inventory methods in detail and provide summary tables of data, with statistical error, about the suite of forest characteristics inventoried.
Author: Leslie C. Brodie
Publisher:
ISBN:
Category : Forest ecology
Languages : en
Pages : 60
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Book Description
Of California's almost 100 million ac, about a third are forested (32 million ac). This report, including the accompanying tables, summarizes key findings from the 5,369 Forest Inventory and Analysis (FIA) plots measured in California's forests during the period 2006-2015. Estimates are provided for forest area, ownership, species composition and distribution, size and age classes, volume, biomass, carbon, dead and downed wood, and understory vegetation. Starting in 2001, plots were measured on a 10-year cycle (10 percent of all plots measured annually). Thus, those plots measured in 2011-2015 represent completion of half of the remeasurement cycle; estimates of growth, mortality, and removals from remeasured plots are also included. The U.S. Forest Service manages about half of California's forested land--48 percent. Fifty-two percent of California's forests is categorized as timberland (unreserved forest land capable of producing ≥20 ft of wood per acre per year) predominantly consisting of the California mixed-conifer type. The most common forest type on the remaining 48 percent was western oak. Mean annual gross growth was 1.99 billion ft/year. Subtracting harvest removals (21 percent of growth values) and mortality (45 percent of growth values) still resulted in a positive net growth of 673 million ft/year. Of some of the commercially important tree species, damage was present in 17 to 27 percent of the trees, including Douglas-fir (17 percent), white fir (27 percent), ponderosa pine (20 percent), and redwood (17 percent). The two most prevalent nonnative species were both grasses--cheatgrass (estimated 277,000 ac of cover) and ripgut brome (234,000 ac). During the 10-year period, the years with the most forested acres with evidence of fire were 2008 and 2015. FIA plots will continue to be measured as stipulated by the 1998 Farm Bill. By the time the next FIA report for California is issued, a complete remeasurement cycle will have been completed.
Author:
Publisher:
ISBN:
Category : Forest ecology
Languages : en
Pages : 293
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Book Description
This report highlights key findings from the most recent (20012010) data collected by the Forest Inventory and Analysis program across all forest land in California, updating previously published findings from data collected from 2001 through 2005 (Christensen et al. 2008). We summarize and interpret basic resource information such as forest area, ownership, volume, biomass, and carbon stocks; forest structure and function topics such as biodiversity, forest age, and dead wood; disturbance information such as tree damage, fire, and invasive plants; and tree growth, mortality, and removals for timber products. Consistent sampling across different ownerships and forest management regimes now allow comparisons. The appendices provide details on inventory methods and design and include summary tables of data, with statistical error, for the suite of forest characteristics inventoried.
Author: California. Division of Forestry
Publisher:
ISBN:
Category : Forest management
Languages : en
Pages : 40
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Book Description
