The first full remeasurement of the annual inventory of the forests of Vermont and New Hampshire was completed in 2012 and covers nearly 9.5 million acres of forest land, with an average volume of nearly 2,300 cubic feet per acre. The data in this report are based on visits to 1,100 plots located across Vermont and 1,091 plots located across New Hampshire. Forest land is dominated by the maple/beech/birch forest-type group, which occupies 60 percent of total forest land area. Of the forest land, 64 percent consists of large diameter trees, 27 percent contains medium diameter trees, and 9 percent contains small diameter trees. The volume of growing stock on timberland has continued to increase since the 1980s and currently totals nearly 19 billion cubic feet. The average annual net growth of growing stock on timberland from 2007 to 2012 is approximately 380 million cubic feet per year. Important species compositional changes include increases in the number of red maple trees and American beech saplings which coincide with decreases in the number of eastern white pine and sugar maple trees as well as eastern white pine and northern red oak saplings. Additional information is presented on forest attributes, land use change, carbon, timber products, species composition, regeneration, and forest health. Detailed information on forest inventory methods and data quality estimates is included on the DVD accompanying this report. Tables of population estimates and a glossary are also included. AcknowledgmentsThe authors would like to thank inventory crew members from Vermont and New Hampshire for their help:
The fi rst full annual inventory of Vermont's forests reports more than 4.5 million acres of forest land with an average volume of more than 2,200 cubic feet per acre. Forest land is dominated by the maple/beech/ birch forest-type group, which occupies 70 percent of total forest land area. Sixty-three percent of forest land consists of large-diameter trees, 27 percent contains medium-diameter trees, and 9 percent contains small-diameter trees. The volume of growing stock on timberland has been rising since the 1980s and currently totals nearly 9 billion cubic feet. The average annual net growth of growing stock on timberland from 1997 to 2007 is approximately 180 million cubic feet per year. Additional information is presented on forest attributes, land use change, carbon, timber products, and forest health. Detailed information on forest inventory methods and data quality estimates is included in a DVD at the back of the report. Tables of population estimates and a glossary are also included.
The fi rst full annual inventory of New Hampshire's forests reports nearly 4.8 million acres of forest land with an average volume of nearly 2,200 cubic feet per acre. Forest land is dominated by the maple/beech/ birch forest-type group, which occupies 53 percent of total forest land area. Fifty-seven percent of forest land consists of large-diameter trees, 32 percent contains medium-diameter trees, and 11 percent contains small-diameter trees. The volume of growing stock on timberland has been rising since the 1980s and currently totals nearly 9.5 billion cubic feet. The average annual net growth of growing stock on timberland from 1997 to 2007 is approximately 164 million cubic feet per year. Additional information is presented on forest attributes, land use change, carbon, timber products, and forest health. Detailed information on forest inventory methods and data quality estimates is included in a DVD at the back of the report. Tables of population estimates and a glossary are also included.
The fi rst full annual inventory of Maryland's forests reports approximately 2.5 million acres of forest land, which covers 40 percent of the State's land area and with a total volume of more than 2,100 cubic feet per acre. Nineteen percent of the growing-stock volume is yellow-poplar, followed by red maple (13 percent) and loblolly pine (10 percent). All species of oaks combined account for 26 percent of the total growing-stock volume. Yellow-poplar volume is increasing, particularly in the large-diameter classes. Red maple is the most abundant species in terms of number of trees and the population had been rising through the 1980s and 1990s, but current data show little change in red maple abundance since 1999. Seventy-six percent of forest land consists of large diameter, 14 percent contains medium diameter, and the remainder is in small diameter stand size classes or nonstocked stands. There were approximately 5.9 billion cubic feet of growing-stock volume in 2008, and the average annual growth rate of volume has been approximately 2 percent. Additional information on forest attributes, land-use change, carbon, timber products, and forest health is presented in this report. A DVD included in the report provides information on sampling techniques, estimation procedures, tables of population estimates, raw data, a data summarization tool, and a glossary. AcknowledgmentsThe authors would like to thank the many individuals who contributed both to the inventory and analysis of
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