William Leak
Former Employee
Research Forester
Treesearch Publications
- Mark J. Ducey, Olivia L. Fraser, Mariko Yamasaki, Ethan P. Belair, William Leak. 2023. Eight decades of compositional change in a managed northern hardwood landscape
- Nicole S. Rogers, Anthony W. D'Amato, William Leak. 2023. Long-Term Evolution of Composition and Structure After Repeated Group Selection: 80 Year Results
- Nicole S. Rogers, Anthony W. D'Amato, William Leak. 2021. Long-term evolution of composition and structure after repeated group selection over eight decades
- William Leak, Mariko Yamasaki, Karen P. Bennett, Ken Desmarais, Peter Pohl, Christine Costello, Isabel Munck. 2020. White pine silviculture for timber and wildlife habitat in New England
- William Leak. 2015. Dominant-tree thinning in New England northern hardwoods—a second look
- Mariko Yamasaki, Christine Costello, William Leak. 2014. Effects of clearcutting, patch cutting, and low-density shelterwoods on breeding birds and tree regeneration in New Hampshire northern hardwoods
- William Leak, Mariko Yamasaki, Robbo Holleran. 2014. Silvicultural guide for northern hardwoods in the northeast
- William Leak. 2013. Long-term research -- why do we do it?
- William Leak, Mariko Yamasaki. 2013. Effects of low-density thinning in a declining white pine stand in Maine
- William Leak, Mariko Yamasaki. 2013. Regeneration of upper-elevation red oak in the White Mountains of New Hampshire
- William Leak, Mariko Yamasaki. 2012. 80 Years of thinning research on northern hardwoods in the Bartlett Experimental Forest, New Hampshire
- William Leak, Mariko Yamasaki. 2012. Historical (1899) age and structural characteristics of an old-growth northern hardwood stand in New York State
- Coeli Hoover, William Leak, Brian G. Keel. 2012. Benchmark carbon stocks from old-growth forests in northern New England, USA
- William Leak, Mariko Yamasaki. 2012. Tree species migration studies in the White Mountains of New Hampshire
- William Leak, Mariko Yamasaki. 2011. The Bartlett Experimental Forest, Its first 75 years
- William Leak. 2011. Estimating allowable-cut by area-scheduling
- William Leak. 2011. Historical (1749-1899) vs. present-day sugar maple and beech diameter growth in the northeast
- William Leak, Mariko Yamasaki. 2010. Seventy-year record of changes in the composition of overstory species by elevation on the Bartlett Experimental Forest
- William Leak. 2009. Seventy years of understory development by elevation class in a New Hampshire mixed forest: management implications
- Paul Sendak, William Leak. 2008. Early crop-tree release and species cleaning in young northern hardwoods: a financial analysis
- William Leak, Jeffrey Gove. 2008. Growth of northern hardwoods in New England: a 25-year update
- Andrew J. Fast, Mark J. Ducey, Jeffrey Gove, William Leak. 2008. Dating tree mortality using log decay in the White Mountains of New Hampshire
- William Leak. 2007. Thinning northern hardwoods in New England by dominant-tree removal — early results
- William Leak. 2007. Accuracy of regeneration surveys in New England northern hardwoods
- Richard DeGraaf, Anna M. Lester, Mariko Yamasaki, William Leak. 2007. Visual simulations of forest wildlife habitat structure, change, and landscape context in New England
- Richard DeGraaf, Mariko Yamasaki, William Leak, Anna M. Lester. 2006. Technical guide to forest wildlife habitat management in New England
- Mariko Yamasaki, William Leak. 2006. Snag longevity in managed northern hardwoods
- Paul Sendak, Robert M. Frank, William Leak. 2006. Long-term data from silvicultural studies: interpreting and assessing old records for economic insights
- William Leak. 2006. Fifty-year impacts of the beech bark disease in the Bartlett Experimental Forest, New Hampshire
- Richard DeGraaf, Mariko Yamasaki, William Leak, Anna M. Lester. 2005. Landowner's guide to wildlife habitat, forest management for the New England Region
- J. C. Innes, M. J. Ducey, Jeffrey Gove, William Leak, J. P. Barrett. 2005. Size-density metrics, leaf area, and productivity in eastern white pine
- William Leak, William B. Leak. 2005. Effects of Small Patch Cutting on Sugar Maple Regeneration in New Hampshire Northern Hardwoods
- Kenneth M. Desmarais, William Leak, William B. Leak. 2005. Ten-Year Performance of Eastern White Pine - under a Crop Tree Release Regime on an Outwash Site
- William Leak. 2004. Diameter Growth in Even- and Uneven-Aged Northern Hardwoods in New Hampshire Under Partial Cutting
- William Leak. 2003. Regeneration of Patch Harvests in Even-Aged Northern Hardwoods in New England
- William Leak. 2003. Best density and structure for uneven-aged northern hardwood management in New England
- Dale S. Solomon, William Leak. 2002. Modeling the regeneration of northern hardwoods with FOREGEN
- William Leak. 2002. Origin of sigmoid diameter distributions
- William Leak, Paul Sendak. 2002. Changes in species, grade, and structure over 48 years in a managed New England northern hardwood stand
- Lianjun Zhang, Jeffrey Gove, Chuangmin Liu, William Leak. 2001. A finite mixture of two Weibull distributions for modeling the diameter distributions of rotated-sigmoid, uneven-aged stands
- Christine Costello, Mariko Yamasaki, Peter J. Pekins, William Leak, Christopher D. Neefus. 2000. Songbird response to group selection harvests and clearcuts in a New Hampshire northern hardwood forest
- Dale S. Solomon, William Leak. 2000. Growth and stocking of eastern hemlock (Tsuga canadensis) in New England
- William Leak. 1999. Stand Structure in Evenaged Northern Hardwoods: Development and Silvicultural Implications
- William Leak, Neil I. Lamson. 1999. Revised white pine stocking guide for managed stands
- William Leak, Dale S. Solomon. 1997. Long-Term Growth of Crop Trees After Release in Northern Hardwoods
- William Leak, Mariko Yamasaki, David B., Jr. Kittredge, Neil I. Lamson, Marie-Louise Smith. 1997. Applied ecosystem management on nonindustrial forest land.
- Chris Nowak, Susan L. Stout, John Brissette, Laura S. Kenefic, Gary Miller, William Leak, Daniel Yaussy, Thomas M. Schuler, Kurt W. Gottschalk. 1997. Defining the role of silvicultural research in the Northeastern Forest Experiment Station
- William Leak, Marie-Louise Smith. 1996. Sixty years of management and natural disturbance in a New England forested landscape
- William Leak. 1996. Long-term structural change in uneven-aged northern hardwoods
- Dale S. Solomon, William Leak. 1996. Evaluation of methodology for detecting/predicting migration of forest species
- William Leak, J.B. Cullen, Thomas S. Frieswyk. 1995. Dynamics of whlte pine in New England
- Dale S. Solomon, David A. Herman, William Leak. 1995. FIBER 3.0: An Ecological Growth Model for Northeastern Forest Types
- William Leak, Mariko Yamasaki, Marie-Louise Smith, David T. Funk. 1994. Selection criteria for forested natural areas in New England, USA
- Dale S. Solomon, William Leak. 1994. Migration of tree species in New England based on elevational and regional analyses
- William Leak, Raymond E. Graber, Raymond E. Graber. 1993. Six-year beechnut production in New Hampshire
- Richard DeGraaf, Mariko Yamasaki, William Leak, John W. Lanier. 1992. New England wildlife: management forested habitats
- Raymond E. Graber, William Leak, William B. Leak. 1992. Seed fall in an oldgrowth northern hardwood forest
- J.W. Hornbeck, William Leak. 1992. Ecology and management of northern hardwood forests in New England
- William Leak, W.B. Leak. 1987. Characteristics of Five Climax Stands in New Hampshire
- William Leak, Dale S. Solomon, Paul S. DeBald. 1987. Silvicultural guide for northern hardwood types in the Northeast (revised)
- Dale S. Solomon, William Leak, William B. Leak. 1986. Simulated yields for managed northern hardwood stands
- William Leak, James H. Gottsacker. 1985. New Approaches to Uneven-Age Management in New England
- William Leak, William B. Leak. 1985. Relationships of tree age to diameter in old-growth northern hardwoods and spruce-fir
- William Leak, C. H. Tubbs. 1983. Percent crown cover tables for applying the shelterwood system in New England
- William Leak. 1983. Stocking, growth, and habitat relations in New Hampshire hardwoods
- William Leak. 1982. Habitat mapping and interpretation in New England
- William Leak. 1980. Rapid economic analysis of northern hardwood stand improvement options
- William Leak, Jane R. Riddle. 1979. Why trees grow where they do in New Hampshire Forests
- William Leak. 1979. Effects of habitat on stand productivity in the White Mountains of New Hampshire
- William Leak. 1978. Relationships of forest vegetation to habitat on two types of glacial drift in New Hampshire
- Kenneth F. Lancaster, William Leak. 1978. A silvicultural guide for white pine in the northeast
- William Leak. 1978. Relationship of Species and Site Index to Habitat in the White Mountains of New Hampshire
- William Leak. 1976. Relation of Tolerant Species to Habitat in the White Mountains of New Hampshire
- William Leak, C. Wayne Martin. 1975. Relationship of stand age to streamwater nitrate in New Hampshire
- William Leak, Dale S. Solomon. 1975. Influence of residual stand density on regeneration of northern hardwoods
- William Leak, Stanley M. Filip. 1975. Uneven-aged management of northern hardwoods in New England
- William Leak. 1974. Some effects of forest preservation
- William Leak, Raymond E. Graber. 1974. Forest vegetation related to elevation in the White Mountains of New Hampshire
- James S. Philbrook, James P. Barrett, William Leak. 1973. A stocking guide for eastern white pine
- William Leak. 1973. Species and structure of a virgin northern hardwood stand in New Hampshire
- William Leak, Peter H. Allen, James P. Barrett, Frank K. Beyer, Donald L. Mader, Joseph C. Mawson, Robert K. Wilson, Robert K. Wilson. 1970. Yields of eastern white pine in New England related to age, site and stocking
- William Leak, Stanley M. Filip, Stanley M. Filip. 1970. Cutting strategies and timber yields for unbalanced even-aged northern hardwood forests
- William Leak. 1970. Some preliminary estimates of energy utilization in even-aged northern hardwoods
- William Leak. 1969. Financial maturity of yellow birch
- Dale S. Solomon, William Leak. 1969. Stocking, growth, and yield of birch stands
- William Leak, Dale S. Solomon, Stanley M. Filip, Stanley M. Filip. 1969. A silvicultural guide for northern hardwoods in the northeast
- William Leak. 1968. Birch regeneration: a stochastic model
- William Leak, Stanley M. Filip, Dale S. Solomon. 1968. Rates of value increase for yellow birch in New England
- William Leak. 1964. Estimating maximum allowable timber yields by linear programming
- William Leak. 1963. Effects of Seedbed, Overstory, and Understory on White Ash regeneration
- Stanley M. Filip, William Leak. 1962. Profitable woodlot management in New England
- William Leak. 1961. Development of second-growth northern hardwoods on Bartlett Experimental Forest - a 25-year record
- Stanley M. Filip, David A. Marquis, William Leak. 1960. Development of old-growth northern hardwoods on Bartlett Experimental Forest - a 22-year record
- William Leak. 1958. Silvical characteristics of sweet birch (Betula lenta)
- William Leak, Robert W., Jr. Wilson. 1958. Regeneration after cutting of old-growth northern hardwoods in New Hampshire
- NY State College of Forestry, M.F., Forest Management, 1956
- NY State College of Forestry, B.S., Forestry, 1953
Last updated March 10, 2026