Factors contributing to shore pine (Pinus contorta subsp. contorta) mortality and damage in southeast Alaska

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  • Authors: Mulvey, Robin; Barrett, Tara; Bisbing, Sarah
  • Publication Year: 2015
  • Publication Series: Book Chapter
  • Source:

Abstract

Recent Forest Inventory Analysis (FIA) plot remeasurements revealed a statistically signicant 4.6 percent loss of shore pine (Pinus contorta subsp. contorta) biomass in Alaska despite negligible harvest, with greater losses among larger size-class trees (Barrett and Christensen 2011). Shore pine is one of four distinct subspecies of Pinus contorta (Critcheld 1957); it occurs on coasts and wetlands from northern California to Yakutat Bay in southeast Alaska. In Alaska, shore pine is most common on peatland sites with saturated, acidic soils (known as muskegs) and is outcompeted by western hemlock (Tsuga heterohpylla) and Sitka spruce (Picea sitchensis) on more productive sites that have better drainage and nutrient availability (Bisbing and others 2015, Martin and others 1995). Little is known about the insect and disease agents of shore pine (Reeb and Shaw 2010).

  • Citation: Mulvey, Robin, Tara Barrett, and Sarah Bisbing. 2015. Factors contributing to shore pine (Pinus contorta subsp. contorta) mortality and damage in southeast Alaska. Chapter 14 in K.M. Potter and B.L. Conkling, eds., Forest Health Monitoring: National Status, Trends and Analysis, 2014. General Technical Report SRS-209. Asheville, North Carolina: U.S. Department of Agriculture, Forest Service, Southern Research Station. p. 151-160.
  • Posted Date: February 25, 2019
  • Modified Date: March 29, 2019
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