Scientists & Staff

William Leak

Research Forester
271 Mast Road
Durham, NH, 03824
Phone: 603-868-7655

Contact William Leak


Current Research

Large-scale, longterm timber/wildlife management studies in northern hardwoods/hemlock. Forest landtyping/succession.

Professional Organizations

  • Fellow, Society of American Foresters
  • NH Timberland Owners Association

Featured Publications & Products

Publications & Products

Research Datasets

  • Leak, William B.; Yamasaki, Mariko; Belair, Ethan P.; Knapp, Rachel A.; Brissette, John C. 2017. Bartlett Experimental Forest permanent cruise plot data. Fort Collins, CO: Forest Service Research Data Archive. https://doi.org/10.2737/RDS-2017-0036.

National Research Highlights

Bartlett Haystack Mountains, Bartlett, N.H. U.S. Department of Agriculture Forest Service.

Has Climate Affected Tree Species Distribution in New England?

Year: 2016

Remeasurement of plots 70 years after establishment on the White Mountain National Forest shows no evidence of changes in elevations among climate-sensitive species.

Whole-tree harvest in 1935. Bartlett Experimental Forest, Bartlett, NH.  USDA Forest Service

No Signifigant Losses of Stand Productivity From Whole-tree Harvesting and Clearcutting in New England Forests

Year: 2015

Silviculturalists have been concerned over nutrient losses from clearcutting and, more recently, whole-tree harvesting in New England since the late 1960s. Recent information from studies in New Hampshire and Maine show there are no significant losses of essential nutrients and stand productivity following these harvest methods.

Looking east toward the Attitash Mountain Range from the Bartlett Experimental Forest, NH. Ken Dudzik, USDA Forest Service

Silvicultural Guide for Northern Hardwoods in the Northeast Updated

Year: 2014

This revision of the 1987 silvicultural guide updates and expands the silvicultural information on northern hardwoods. It provides additional information on wildlife habitat and managing mixed-wood and northern hardwood-oak stand.

Last modified: Wednesday, December 13, 2017