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Forest Science Database

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Abstract

Dry mixed-conifer forests are widespread in the interior Pacific Northwest, but their historical fire regimes are poorly characterized, in particular the relative mix of low- and high-severity fire. We reconstructed a multi-century history of fire from tree rings in dry mixed-conifer forests in...

Author(s)
Heyerdahl, E. K.; Loehman, R. A.; Falk, D. A.
Publisher
NRC Research Press, Ottawa, Canada
Citation
Canadian Journal of Forest Research, 2019, 49, 1, pp 76-86
Abstract

Accurately aging trees is critical for understanding tree demography and tree responses to environmental change. Given the proliferation of studies aimed at understanding the effects of climate and disturbance on forest ecosystems, it is important to understand the tradeoffs between field-based age ...

Author(s)
Hankin, L. E.; Higuera, P. E.; Davis, K. T.; Dobrowski, S. Z.
Publisher
Elsevier Ltd, Oxford, UK
Citation
Forest Ecology and Management, 2018, 427, pp 365-371
Abstract

Management practices since the late 19th century, including fire exclusion and harvesting, have altered the structure of ponderosa pine (Pinus ponderosa Douglas ex P. Lawson & C. Lawson) dominated forests across the western United States. These structural changes have the potential to...

Author(s)
Battaglia, M. A.; Gannon, B.; Brown, P. M.; Fornwalt, P. J.; Cheng, A. S.; Huckaby, L. S.
Publisher
Elsevier Ltd, Oxford, UK
Citation
Forest Ecology and Management, 2018, 422, pp 147-160
Abstract

Conifers in the Pinaceae and Cupressaceae from dry environments have been shown to broadly differ in their stomatal sensitivity to soil drying that result in isohydric versus anisohydric water use behavior, respectively. Here, we first employ a series of drought experiments and field observations...

Author(s)
Voelker, S. L.; DeRose, R. J.; Bekker, M. F.; Sriladda, C.; Leksungnoen, N.; Kjelgren, R. K.
Publisher
Springer-Verlag GmbH, Berlin, Germany
Citation
Trees: Structure and Function, 2018, 32, 3, pp 735-749
Abstract

In recent years, warming climate and increased fire activity have raised concern about post-fire recovery of western U.S. forests. We assessed relationships between climate variability and tree establishment after fire in dry ponderosa pine forests of the Colorado Front Range. We harvested and aged ...

Author(s)
Rother, M. T.; Veblen, T. T.
Publisher
MDPI AG, Basel, Switzerland
Citation
Forests, 2017, 8, 5, pp 159
Abstract

Fire scars are initiated by cambial necrosis caused by localized lethal heating of the tree stem. Scars develop as part of the linked survival processes of compartmentalization and wound closure. The position of scars within dated tree ring series is the basis for dendrochronological reconstruction ...

Author(s)
Smith, K. T.; Arbellay, E.; Falk, D. A.; Sutherland, E. K.
Publisher
NRC Research Press, Ottawa, Canada
Citation
Canadian Journal of Forest Research, 2016, 46, 4, pp 535-542
Abstract

The western spruce budworm (Choristoneura occidentalis Freeman; WSB) is a widespread and destructive defoliator of commercially important coniferous forests in western North America. In British Columbia, Canada, Douglas-fir (Pseudotsuga menziesii) is the most prevalent host, and records show that...

Author(s)
Axelson, J. N.; Smith, D. J.; Daniels, L. D.; Alfaro, R. I.
Publisher
Elsevier Ltd, Oxford, UK
Citation
Forest Ecology and Management, 2015, 335, pp 235-248
Abstract

Management of many dry conifer forests in western North America is focused on promoting resilience to future wildfires, climate change, and land use impacts through restoration of historical patterns of forest structure and disturbance processes. Historical structural data provide models for past...

Author(s)
Brown, P. M.; Battaglia, M. A.; Fornwalt, P. J.; Gannon, B.; Huckaby, L. S.; Julian, C.; Cheng, A. S.
Publisher
NRC Research Press, Ottawa, Canada
Citation
Canadian Journal of Forest Research, 2015, 45, 11, pp 1462-1473
Abstract

Continued increases in global temperatures and incidences of drought have been implicated in elevated tree mortality in many regions, prompting interest in better understanding tree mortality processes. A recent extreme drought in the southwestern U.S. (1996-2003) contributed to elevated tree...

Author(s)
Kane, J. M.; Kolb, T. E.
Publisher
NRC Research Press, Ottawa, Canada
Citation
Canadian Journal of Forest Research, 2014, 44, 10, pp 1227-1235
Abstract

We examined radial growth rates of locally co-occurring Douglas-fir (PSME - Pseudotsuga menziesii var. glauca) and ponderosa pine (PIPO - Pinus ponderosa var. ponderosa) trees growing within the Northern Rockies to determine if there are differential growth and climatic responses between these...

Author(s)
Soulé, P. T.; Knapp, P. A.
Publisher
Academic Press, London, UK
Citation
Journal of Arid Environments, 2013, 94, pp 87-95

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