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The role of ungulate herbivory and management on ecosystem patterns and processes: future direction of the Starkey project.

In the national forests of the Blue Mountains, a high percentage of commercial tree species, such as Douglas fir (Pseudotsuga menziessi) and true firs (Abies spp.), have died as a result of overcrowding on drier sites, drought and insects (Johnson et al. 1995, Quigley and Arbelbide 1997). These conditions are typical of...

Author(s):

Martin Vavra; Michael J. Wisdom; John G. Kie; John G. Cook; Robert A. Riggs

Year:

2004

Keywords:

Source:

In: Transactions of the 69th North American Wildlife and Natural Resources Conference: 785-797

Impact of the first recorded outbreak of the Douglas-fir tussock moth, Orgyia pseudotsugata, in southern California and the extent of its distribution in the Pacific Southwest region

The Douglas-fir tussock moth (DFTM), Orgyia pseudotsugata McDunnough (Lepidoptera:Erebidae: Lymantriinae), is a native western North American defoliator of true fir, Abies spp. Mill., and Douglas-fir, Pseudotsuga menziesii (Mirb.) Franco. We investigated the population genetics and impact associated with the first recorded...

Author(s):

Tom W. Coleman; Michael I. Jones; Beatrice Courtial; Andrew D. Graves; Meghan Woods; Alain Roques; Steven J. Seybold

Year:

2014

Keywords:

Abies concolor, Baja California Norte, Mexico, Defoliation, Land use changes, Risk model, Scolytus ventralis

Source:

Forest Ecology and Management. 329: 295-305

Total Publications in Treesearch: 55,806

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The role of ungulate herbivory and management on ecosystem patterns and processes: future direction of the Starkey project.

Impact of the first recorded outbreak of the Douglas-fir tussock moth, Orgyia pseudotsugata, in southern California and the extent of its distribution in the Pacific Southwest region

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