Pinus strobiformis (southwestern white pine) stand dynamics, regeneration, and disturbance ecology

A review

Christopher E. Looney, Kristen M Waring

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Pinus strobiformis (southwestern white pine) is one of the least studied and understood five-needle white pine species in North America. Recently, this species has become increasingly challenged by Cronartium ribicola (white pine blister rust). This review examines literature relevant to P. strobiformis taxonomy, environmental associations, community associations, stand dynamics, and fire and disturbance ecology in order to better inform the management of this understudied species. In its US range, P. strobiformis occurs in central and southern Arizona and New Mexico and western Texas and has been documented as far north as southwestern Colorado. In Mexico, it occurs in northeastern Sonora, western Chihuahua and Durango, northern Zacatecas, southern Coahuila and central Nuevo Leon. Although P. strobiformis is a relatively high-elevation species preferring mesic habitats, it occurs across a variety of aspects, slope positions, and elevations. It rarely dominates forest composition but is most often found in complex species mixtures. While located in mixed-conifer habitats at the northern end of its range, it is associated with more diverse forest communities in the southern part of its range. Studies generally indicate P. strobiformis is a mid-seral species, although its low abundance and broad environmental amplitude complicate classification. Regeneration ecology is poorly understood, but bird and rodent seed dispersal do occur in portions of its range. Historical fire regimes in P. strobiformis mixed-conifer forests in the US were primarily characterized by frequent, low-severity surface fire, with less evidence of mixed- and high-severity fire. In Mexico, low-severity surface fire appears to have been ubiquitous within P. strobiformis habitats, with historical fire regimes still largely intact. Information is limited on the effects of disturbances other than fire. Increased temperatures and drought severity associated with climate change could potentially shrink the distribution of P. strobiformis, while altering its dominance in future forest communities. Future research on the ecology and management of P. strobiformis is necessary to effectively manage this species given climate change and white pine blister rust selection pressure.

Original languageEnglish (US)
Pages (from-to)90-102
Number of pages13
JournalForest Ecology and Management
Volume287
DOIs
StatePublished - Jan 1 2013

Fingerprint

stand dynamics
regeneration
Pinus
blister rust
ecology
disturbance
fire regime
forest communities
habitats
Mexico
climate change
Cronartium ribicola
taxonomy
rust disease
fire severity
mixed forests
coniferous tree
seed dispersal
habitat
coniferous forests

Keywords

  • Fire ecology
  • Forest ecology
  • Mexico
  • Pinus strobiformis
  • Regeneration
  • Southwest USA

ASJC Scopus subject areas

  • Forestry
  • Management, Monitoring, Policy and Law
  • Nature and Landscape Conservation

Cite this

Pinus strobiformis (southwestern white pine) stand dynamics, regeneration, and disturbance ecology : A review. / Looney, Christopher E.; Waring, Kristen M.

In: Forest Ecology and Management, Vol. 287, 01.01.2013, p. 90-102.

Research output: Contribution to journalArticle

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