Division of Agriculture and Natural Resources
Division of Agriculture and Natural Resources
Division of Agriculture and Natural Resources
University of California
Division of Agriculture and Natural Resources

Dr. Robert A. York

Photo of Dr Robert A York
Cooperative Extension Specialist / UCB-CNR Research Stations Advisor / Adjunct Associate Professor of Forestry
Blodgett Forest Research Station
4501 Blodgett Forest Road
Georgetown, CA 95634
(530) 333-4475
ryork@berkeley.edu Create VCard

Also in:
Center for Forestry (UCB)


Silviculture, prescribed fire, forest ecology

Areas of Expertise (click to see all ANR academics with this expertise)


Peer Reviewed

  • York, R.A. (2019). Long-term taper and growth reductions following pruning intensity treatments in giant sequoia (Sequoiadendron giganteum). Canadian Journal of Forest Research. 49, 1189-1197.
  • Annighofer, P.; Seidel, D.; Ammer, C.; Stephens, S.; York, R.A. (2019). Silvicultural implications from analyzing light induced height growth development of eight North American juvenile tree speces in mixed-conifer forests. Forestry. 00, 1-11.
  • North, Malcolm; Stevens, Jen; Greene, David; Coppoletta, Michelle; Knapp, Eric; Latimer, Andrew; Restaino, Christina; Tompkins, Ryan; Welch, Kevin; York, Robert; Young, Derek; Axelson, Jodi et al. (2019). Tamm Review: Reforestation for resilience in dry western U.S. forests. Forest Ecology and Management. Elsevier. 432:2019, 209-224.
  • Jen, C.N., Liang, Y., Hatch, L.E., Kreisberg, N.M., Stamatis, C., Kristensen, K., Battles, J., Stephens, S., York, R., Barsanti, K., and Goldstein, A. 2018. High hydroquinone emissions from burning manzanita. Environmental Letters Science and Technology 5: 309-314

  • Battles, J., Bell, D., Kennedy, R., Saah, D., Collins, B., York, R., Sanders, J.,and Lopez-Ornelas, F. 2018. Innovations in measuring and managing forest carbon stocks in California. A report for California’s Fourth Climate Change Assessment. California Natural Resources Agency CCCA4-CNRA-2018-014

  • Stephens, S. (2018). Historical and modern landscape forest structure in fir (Abies)-dominated mixed conifer forests in the northern Sierra Nevada, USA. Fire Ecology. Fire Ecology. 14:7, 1-14.
  • Stephens, Connor; York, Robert (2017). An evaluation of stand age as a factor of mastication efficiency and effectiveness in the Central Sierra Nevada, California. Northwest Science. 91:4.
  • Bellows, Robin; Thomson, Ariel; Helmstedt, K; York, Robert; Potts, Matthew (2016). Damage and mortality patterns in young mixed conifer plantations following prescribed fires in the Sierra Nevada, California. Forest Ecology and Management. 376, 193-204.
  • Stewart, William; Sharma, Benktesh; York, Robert; Diller, Lowell; Hamey, Nadia; Powell, Roger; Swiers, Robert (2016). Forestry In: Ecosystems of California.H. Mooney and E. Zavaleta.
  • Dore, Sabina; Fry, Danny; Collins, Brandon; Vargas, Rodrigo; York, Robert; Stephens, Scott (2016). Management Impacts on Carbon Dynamics in a Sierra Nevada Mixed Conifer Forest. PLOS One. 11:2, 1-22.
  • Falster, Daniel; Duursma, Remko; Ishihara, Masae; Barneche, Diego; York, Robert (2015). BAAD: a Biomass And Allometry Database for woody plants. Ecology. 96:5, 1445.
  • Cousins, Stella; Battles, John; Sanders, John; York, Robert (2015). Decay patterns and carbon density of standing dead trees in California mixed conifer forests. Forest Ecology and Management. 353:1, 136-147.
  • Springsteen, Bruce; Christofk, Thomas; York, Robert; Mason, Tad; Baker, Stephen; Lincoln, Emily; Hartsough, Bruce; Yoshioka, Takuyuki (2015). Forest boimass diversion in the Sierra Nevada: Energy, economics and emissions. California Agriculture. 69:3.
  • York, Robert; Louen, Justin; Thomson, Ariel (2015). Growth Response of Massive Sequoiadendron giganteum Trees to Mechanical Treatments. Forest Science. 61:5, 959-965.
  • York, Robert (2015). Large-tree removal in a mixed-conifer forest halves productivity and increases white fir. California Agriculture. 69:1. Online: http://californiaagriculture.ucanr.edu/ landingpage.cfm?article=ca.v069n01p27&fulltext=yes
  • York, Robert; Keller, Richard; Thomson, Ariel (2015). Thinning treatments had minimal effect on soil compaction in mixed-conifer plantations. California Agriculture. 69:3, 157-163.
  • O'Hara, K.; York, R. (2014). Leaf Area Development and Crown Architecture in a Giant Sequoia Spacing Study. Forest Science. 60:4, 776-783.
  • York, R.; O'Hara, K; Battles, J (2013). Density Effects on Giant Sequoia (Sequoiadendron giganteum) Growth Through 22 Years: Implications for Restoration and Plantation Management. Western Journal of Applied Forestry. 28:1, 30-37.
  • Eitzel, Melissa; Battles, John; York, Robert; Knape, Jonas; De Valpine, Perry (2013). Estimating tree growth from complex forest monitoring data. Ecological Applications. 23:6, 1288-1296.
  • York, Robert; Devries, Rose (2013). Snow Damage Patterns in Maturing Mixed-Species Plantations of the Sierra Nevada. Western Journal of Applied forestry. 28:4, 174-177.
  • Fahey, Cathy; York, Robert; Powloska, Teresa (2012). Arbuscular mycorrhizal colonization of giant sequoia (Sequoiadendron giganteum) in response to restoration practices. Mycologia. 104:5, 988-997.

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