Pacific Northwest Research Station

Title: Forest inventory-based estimation of carbon stocks and flux in California forests in 1990.

Author: Fried, Jeremy S.; Zhou, Xiaoping.

Date: 2008

Source: Gen. Tech. Rep. PNW-GTR-750. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 25 p

Station ID: GTR-PNW-750

Description: Estimates of forest carbon stores and flux for California circa 1990 were modeled from forest inventory data in support of California’s legislatively mandated greenhouse gas inventory. Reliable estimates of live-tree carbon stores and flux on timberlands outside of national forest could be calculated from periodic inventory data collected in the 1980s and 1990s; however, estimation of circa 1990 flux on national forests and forests other than timberland was problematic owing to a combination of changing inventory protocols and definitions and the lack of remeasurement data on those land categories. We estimate annual carbon flux on the 7.97 million acres of timberlands outside of national forests (which account for 24 percent of California’s forest area and 28 percent of its live tree aboveground biomass) at 2.9 terragrams per year.

Keywords: Forest carbon flux assessment, biomass, carbon stocks, carbon dioxide, Forest Inventory and Analysis

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Citation

Fried, Jeremy S.; Zhou, Xiaoping.  2008.  Forest inventory-based estimation of carbon stocks and flux in California forests in 1990..   Gen. Tech. Rep. PNW-GTR-750. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 25 p.