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- Title
Stumpage Opportunity Cost of Riparian Management Zones on Headwater Streams in Northern Hardwood Timberlands.
- Authors
Jayasuriya, Maneesha T; Germain, René H; Bevilacqua, Eddie
- Abstract
Riparian management zones (RMZs) represent the area surrounding streams that are managed for protecting resources found within a riparian area. They are often established using fixed-width buffers, which may or may not represent the extent of an actual riparian area. This two-pronged study conducted in the Catskill mountains in New York state compares and contrasts the difference in the area dedicated to RMZs along first- and second-order streams between a 100-foot, fixed-width buffer and a variable-width approach using field measurements and regional spatial data derived from high resolution (1 meter) digital terrain model data. The study also examined the opportunity cost of stumpage value for three harvesting scenarios: (1) unlimited harvesting within RMZ; (2) limited harvest restrictions within RMZ; and (3) no harvesting allowed within RMZ. Results indicate a 100-foot, fixed-width buffer could be substituted for a variable-width buffer along first-order streams but could be insufficient to protect riparian functions along second-streams that have wider ravines and floodplains. On average, RMZs along first- and second-order streams account for 8 percent of the timberland area and carry sawtimber volumes of nearly 7 MBF/ac. The residual timber values within RMZs of headwater streams can range from 7-12 percent of the total stumpage revenue.
- Subjects
RIPARIAN areas management; FOREST biodiversity; VALUATION of forests; AQUATIC ecology; HABITATS
- Publication
Forest Science, 2019, Vol 65, Issue 1, p108
- ISSN
0015-749X
- Publication type
Article
- DOI
10.1093/forsci/fxy035