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Keyword: Pinus longaeva

Long-term monitoring of high-elevation white pine communities in Pacific West Region National Parks

Publications Posted on: June 30, 2011
National Park Service Inventory and Monitoring (I&M) networks conduct long-term monitoring to provide park managers information on the status and trends in key biological and environmental attributes (Vital Signs).

Monitoring limber pine health in the Rocky Mountains and North Dakota

Publications Posted on: June 30, 2011
Ecological impacts are occurring as white pine blister rust spreads and intensifies through ecologically and culturally important limber pine ecosystems of the Rocky Mountains and surrounding areas. The imminent threat of mountain pine beetle has heightened concerns. Therefore, information on the health status of limber pine is needed to facilitate management and restoration efforts.

The relationship between whitebark pine health, cone production, and nutcracker occurrence across four National Parks

Publications Posted on: June 30, 2011
Whitebark pine (Pinus albicaulis) is declining in the central and northern Rocky Mountains from infection by the exotic pathogen Cronartium ribicola, which causes white pine blister rust, and from outbreaks of mountain pine beetle (Dendroctonus ponderosae).

Native ectomycorrhizal fungi of limber and whitebark pine: Necessary for forest sustainability?

Publications Posted on: June 30, 2011
Ectomycorrhizal fungi are an important component of northern coniferous forests, including those of Pinus flexilis (limber pine) and P. albicaulis (whitebark pine) which are being decimated by white pine blister rust and mountain pine beetles. Ectomycorrhizal fungi are known to promote seedling establishment, tree health, and may play a role in forest sustainability.

Synthesis of lower treeline limber pine (Pinus flexilis) woodland knowledge, research needs, and management considerations

Publications Posted on: June 30, 2011
Lower treeline limber pine woodlands have received little attention in peer-reviewed literature and in management strategies. These ecologically distinct systems are thought to be seed repositories between discontinuous populations in the northern and central Rocky Mountains, serving as seed sources for bird dispersal between distinct mountain ranges.

The magnificent high-elevation five-needle white pines: Ecological roles and future outlook

Publications Posted on: June 30, 2011
The High Five symposium is devoted to exchanging information about a small group of pines with little commercial value but great importance to the ecology of high-mountain ecosystems of the West. These High Five pines include the subalpine and treeline species - whitebark (Pinus albicaulis), Rocky Mountain bristlecone (P. aristata), Great Basin bristlecone (P. longaeva), and foxtail (P.

The future of high-elevation, five-needle white pines in Western North America: Proceedings of the High Five Symposium

Publications Posted on: June 29, 2011
High elevation five-needle pines are rapidly declining throughout North America. The six species, whitebark (Pinus albicaulis Engelm.), limber (P. flexilis James), southwestern white (P. strobiformis Engelm.), foxtail (P. balfouriana Grev. & Balf.), Great Basin bristlecone (P. longaeva D.K. Bailey), and Rocky Mountain bristlecone pine (P.