Mortality associated with a bark beetle outbreak in dwarf mistletoe-infested ponderosa pine stands in Arizona

Shawn Kenaley, Robert L Mathiasen, E. James Harner

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Ponderosa pine (Pinus ponderosa Douglas ex C. Lawson var. scopulorum Engelm.) mortality was evaluated from a 2002 bark beetle outbreak in areas infested with southwestern dwarf mistletoe (Arceuthobium vaginatum [Willd.] Presl subsp. cryptopodum [Engelm.] Hawksw. & Wiens) in a total of nine study sites in northern Arizona. Ponderosa pine mortality attributable to bark beetles (Ips and Dendrodonus spp., Scolytidae) was systematically sampled, and stand attributes, such as basal area, tree density, dwarf mistletoe severity, and site indices were recorded. Ponderosa pine mortality was predominately attributed to Ips spp. Although the prolonged drought likely was the inciting factor responsible for the lps spp. outbreak, results suggested a strong relationship between ponderosa pine mortality and the interaction between crown class and dwarf mistletoe rating class. Ponderosa pines severely infected with dwarf mistletoe and in the intermediate crown class are at the greatest risk of Ips spp. attack during outbreak years in northern Arizona.

Original languageEnglish (US)
Pages (from-to)113-120
Number of pages8
JournalWestern Journal of Applied Forestry
Volume23
Issue number2
StatePublished - Apr 2008

Fingerprint

Santalales
Pinus ponderosa
bark beetles
bark
beetle
Ips
mortality
tree crown
site index
Arceuthobium vaginatum
basal area
Scolytidae
drought

Keywords

  • Arceuthobium vaginatum
  • Dwarf mistletoe rating
  • Ips spp.
  • Ponderosa pine

ASJC Scopus subject areas

  • Forestry
  • Plant Science

Cite this

Mortality associated with a bark beetle outbreak in dwarf mistletoe-infested ponderosa pine stands in Arizona. / Kenaley, Shawn; Mathiasen, Robert L; Harner, E. James.

In: Western Journal of Applied Forestry, Vol. 23, No. 2, 04.2008, p. 113-120.

Research output: Contribution to journalArticle

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