North Carolina FIA Data Update Barry New Technical Development & Planning Branch, NCDFR Retired foresters meeting May 25, 2011
Forest Inventory & Analysis the Nation s Forest Census 7 Periodic Surveys Annual Survey (Cycles) 1 st 1938 2 nd 1956 3 rd 1964 4 th 1974 5 th 1984 6 th 1990 7 th 2002R* 8 th 2003 2007 9 th 2003 20102010 rolling average 2 of 5 panels complete as of 2010. 40% re measured plots, averaged with complete 8 th cycle previous plots
NC 2007 Ownership of 18 million acres of timberland Other corporate 15% National forest 7% Individual 62% Other federal 3% State and local government 5% Forest industry 8%
NC Trends by survey cycle 21,000.0 20,500.0 20,000.0 19,500.0 Forestland Timberland on ac. milli 19,000.0 18,500.0 18,000.0 17,500.0 17,000.0 16,500.0 1938 1956 1964 1974 1984 1990 2002 2007 2010
Percentage of land in forest by county, North Carolina, 2007 Percent forest land by county 0 25 51 75 Water 26 50 76 100
Area of timberland by forest type group, NC 2007 Oak gum cypress 10% Elm ash cottonwood ood 3% Maple beech birch <1% White red jack pine 1% Loblolly shortleaf pine* 29% Oak hickory 40% Spruce fir <1% Longleaf slash pine 2% Nonstocked 1% Oak pine 13% Other hardwoods** <1%
Area of timberland by stand size class and year, North Carolina 12 10 1974 1984 1990 2002 2007 8 on acres milli 6 4 2 0 Sawtimber Poletimber Seedling sapling Nonstocked
Timberland area by forest type group and stand origin, ii North thcarolina, 2007 18 16 Softwood Hardwood (million acr res) Area 14 12 10 8 6 4 2 0 Natural Planted Natural Planted Natural Planted Natural Planted 1984 1990 2002 2007 Year and stand origin
Softwood all live volume by diameter class and year, North Carolina, 2007 3 2.5 Volume (b billion cubic c feet) 2 1.5 1 0.5 1990 2002 2007 0 6 8 10 12 14 16 18 20+ Diameter Class
Hardwood all live volume by diameter class and year, North Carolina, 2007 7 6 Volume (bi illion cubic fe eet) 5 4 3 2 1990 2002 2007 1 0 6 8 10 12 14 16 18 20+ Diameter Class
Growth, Removals, Mortality & Net Change by Species Group & Year, North thcarolina feet per year) Volume (million cubic 1,200 1,000 800 600 400 200 0 200 1990 2002 2007 Softwood Hardwood
What about the 1+ million acres of forestland lost 1990 2002? 19,500.0 19,277.5 19,000.0 18,500.0 18,000.0 18,268.7 18,822.4 18,710.4 18,368.6 17,684.4 17,500.0 0 17,000.0 16,500.0 Forestland Timberland Published 1990 Published 2002 NIMS 4.0 2002 Net change 1990 2002 NIMS Reprocessed 455,000 ac. Forestland 342,0003 2 ac. Timberland
Thous sand Ac cres 350 300 250 200 150 100 Average Annual Landuse Change of Timberland in North Carolina by Survey Period 50 - (50) (100) (150) R. Harper SRS, FIA Total Timberland Gain Total Timberland Loss Net Change 1964-1975 - 1985-1991 - 2003-1974 1984 1990 2002 2007
res Thous sand Ac 350 300 250 200 150 100 Average Annual Landuse Change of Timberland in North Carolina by Survey Period 50 - (50) (100) (150) R. Harper SRS, FIA Total Timberland Gain Total Timberland Loss Net Change Loss to Urban/Other Loss to Ag 1964-1975 - 1985-1991 - 2003-1974 1984 1990 2002 2007
s Millio on Acre 25.0 20.0 15.0 10.0 5.0 0.0 R. Harper SRS, FIA Timberland Area and Live Tree 1 Volume by FIA survey, North Carolina Timberland Acres Volume 1956 1964 1974 1984 1990 2002 2007 1/ 1956 and 1964 are growing stock volume. 40.0 35.0 30.00 25.0 20.0 15.0 10.0 5.0 0.0 Bill lion Cub bic Fee et WhileNC timberland hasexperienced pressurefromconversions to development and agricultural land use, the forestry community has been able to maintain a sustainable wood volume over time. Timber inventory volume is at an all time high and has doubled over the last 50 years.
Mountains North Carolina Survey Units Northern Coastal Plain Piedmont Southern Coastal Plain
Timberland area trends by survey unit, North Carolina 7,000.0 6,000.0 5,000.0 thou usand acres 4,000.0 3,000.0 2,000.0 Mountains Piedmont N. Coastal Plain S. Coastal Plain 1,000.0 0.0 1938 1956 1964 1974 1984 1990 2002 2007 Survey Year
Forest & timberland area continues to moderately decline. 85% of NC s forests are privately held. 62% by individuals & families. Hardwoods dominate timberland area (68%) and all live volume (66%). GS volume 63% hdwd vs. 37% sftwd. 32.7 billion cu ft tot. Highlights GS total volume: 25% loblolly 14% yellow poplar 6% sweetgum 6% soft maple Positive annual net change in G/R/M 2002 2007 for both sftwd & hdwd. Reprocessed 2002 data shows net loss of 455,000 ac forestland & 342,000 ac timberland 1990 2002, not 1+ million acres.
Acknowledgements USFS SRS FIA DFR Mark Brown, Forester/Analyst Richard Harper, Forester/Analyst Jeff Turner, Forester/Analyst Jason Meade, Forester/Analyst t Don Roach, FIA Coordinator Michael Mann, former Utilization Forester
http://www.fia.fs.fed.us/tools data/default.asp fs fed asp
Data available for survey cycles 1974, 1984, 1990, 2002R, 2003 2007, 2003 2010
http://treesearch.fs.fed.us/ Barry D. New, RF, CF Branch Head, Technical Development & Planning NCDFR 919 857 4843 Barry.New@ncdenr.gov