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Kathryn Levesque and Andreas Hamann
Global climate change has affected forest health and productivity. A highly visible, direct climate impact is dieback caused by drought periods in moisture-limited forest ecosystems. Here, we have used a climate moisture index (CMI), which has been devel...
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Hillary S. Jenkins
The ponderosa pine (Pinus ponderosa, Douglas ex C. Lawson) is a climate-sensitive tree species dominant in the mixed conifer stands of the San Bernardino Mountains of California. However, the close proximity to the city of Los Angeles has resulted in ext...
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Paula J. Fornwalt, Camille S. Stevens-Rumann and Byron J. Collins
The 2002 Hayman Fire burned with mixed-severity across a 400-ha dry conifer study site in Colorado, USA, where overstory tree and surface cover attributes had been recently measured on 20 0.1-ha permanent plots. We remeasured these plots repeatedly durin...
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Rebecca A. Lybrand, Rachel E. Gallery, Nicole A. Trahan and David J. P. Moore
Fire and pathogen-induced tree mortality are the two dominant forms of disturbance in Western U.S. montane forests. We investigated the consequences of both disturbance types on the controls of microbial activity in soils from 56 plots across a topograph...
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Christopher R Keyes,Rubén Manso González
Pág. e021
Aim of study: The aim of this study was to analyze 10-year records of ponderosa pine (Pinus ponderosa) seed production, in order to confirm synchronic seed production and to evaluate cyclical masting trends, masting depletion effect, and climate-masting ...
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Don Gayton
Ponderosa pine (Pinus ponderosa) ecosystems in British Columbia have high concentrations of biodiversity and species at risk, and numerous studies suggest frequent, low-intensity fire was a traditional disturbance pattern in this ecosystem type. Fire his...
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Percy Folkard,Lauchlan H. Fraser,Cameron N. Carlyle,Rick Tucker
We examined the development of understorey forage plant communities in relation to tree density in an experimental ponderosa pine (Pinus ponderosa) stand. We used a 45-year-old ponderosa pine spacing trial near Westwold, British Columbia, Canada, with fi...
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Valtcho D. Zheljazkov, Tess Astatkie, and Vicki Schlegel
Pág. 785 - 789
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M.E. Fernández,J.E. Gyenge,M.M. de Urquiza,S. Varela
Pág. 162 - 174
More stressful conditions are expected due to climatic change in several regions, including Patagonia, South-America. In this region, there are no studies about the impact of severe drought events on growth and wood characteristics of the most planted fo...
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Mariana Weigandt,Javier Gyenge,María Elena Fernández,Santiago Varela,Tomás Schlichter
Pág. 165 - 175
Meadows are important reserves of water, with a key role in the maintenance of the biodiversity and productivity of ecosystems. In Patagonia, Argentina, afforestation with fast-growing exotic conifers has slowly but continuously increased over recent dec...
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