Influence of topographic aspect, precipitation and drought on radial growth of four major tree species in an Appalachian watershed

Fekedulegn, Desta; Hicks, Ray R.; Colbert, J. J.

doi:10.1016/s0378-1127(02)00446-2

Cited by 181 publications

(148 citation statements)

References 18 publications

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“…In our study, F. sylvatica maintains steady mean mature BAI at the HFL and CFA, comparable with mature tree AVI in P. rubens in the study reported by LeBlanc et al (1992). However, in many species BAI continues to increase with age in mature trees (Phipps & Whiton, 1988;LeBlanc, 1990a, b;Duchesne et al, 2002Duchesne et al, , 2003Fekedulegn et al, 2003;Muzika et al, 2004) in some cases showing no evidence of the reduction in slope that LeBlanc (1990a, b) associates with canopy closure.…”

Section: Temporal Trends In Baisupporting

confidence: 85%

“…Trees at the HFL and CFA show a similar pattern of BAI to that reported for Liriodendron tulipifera (yellow poplar), Quercus prinus (chestnut oak), Q. rubra (northern red oak) and Acer rubrum (red maple) by Fekedulegn et al (2003) and for the closely related measure of annual volume increment (AVI) in Picea rubens (red spruce) by LeBlanc (1990a, b) and LeBlanc et al (1992) (Fig. 3).…”

Section: Temporal Trends In Baisupporting

confidence: 72%

“…BAI series for dominant and codominant trees in mature stands typically show a period of early growth suppression (suppression phase) before a rapid increase in annual basal area growth (release phase). BAI may continue to increase in mature healthy mature trees (Phipps & Whiton, 1988;LeBlanc, 1990a, b;Duchesne et al, 2002Duchesne et al, , 2003Fekedulegn et al, 2003;Muzika et al, 2004), or stabilize (LeBlanc et al, 1992), but it does not show a decreasing trend until trees begin to senesce (LeBlanc, 1990a;Duchesne et al, 2002Duchesne et al, , 2003. During the suppression and release phases, growth is strongly affected by variation in light levels and is thus not easily compared between trees.…”

Section: Study Sites and Sample Preparationmentioning

confidence: 99%

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Rapid climate change‐related growth decline at the southern range edge of Fagus sylvatica

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Peñuelas

2006

Global Change Biology

599

422

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Studies on Fagus sylvatica show that growth in populations toward the southern limit of this species' distribution is limited strongly by drought. Warming temperatures in the Mediterranean region are expected to exacerbate drought where they are not accompanied by increases in precipitation. We studied levels of annual growth in mature F. sylvatica trees over the last half-century in the Montseny Mountains in Catalonia (northeast Spain). Our results show significantly lower growth of mature trees at the lower limit of this species' distribution when compared with trees at higher altitudes. Growth at the lower Fagus limit is characterized by a rapid recent decline starting in approximately 1975. By 2003, growth of mature trees had fallen by 49% when compared with predecline levels. This is not an age-related phenomenon, nor is it seen in comparable populations at higher altitudes. Analysis of climate-growth relationships suggests that the observed decline in growth is a result of warming temperatures and that, as precipitation in the region has not increased, precipitation is now insufficient to ameliorate the negative effects of increased temperatures on tree growth. As the climateresponse of the studied forest is comparable with that of F. sylvatica forests in other southern European regions, it is possible that this growth decline is a more widespread phenomenon. Warming temperatures may lead to a rapid decline in the growth of rangeedge populations and a consequent retreat of the species distribution in southern Europe. Assessment of long-term growth trends across the southern range edge of F. sylvatica therefore merits further attention.

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Section: Temporal Trends In Baisupporting

confidence: 85%

Section: Temporal Trends In Baisupporting

confidence: 72%

Section: Study Sites and Sample Preparationmentioning

confidence: 99%

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Rapid climate change‐related growth decline at the southern range edge of Fagus sylvatica

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Peñuelas

2006

Global Change Biology

599

422

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“…This will be the focus of future research. There are clear differences in drought resistance among co-occurring species, which can originate from different physiological responses to drought [34,35] and species-site interactions [36]. The hydraulic framework proposed by McDowell et al [11] suggests that trees are more likely to die via hydraulic failure under sudden and intense droughts, however, strict control of stomata closure under those conditions is predicted to be beneficial.…”

Section: Resultsmentioning

confidence: 99%

Early Differential Responses of Co-dominant Canopy Species to Sudden and Severe Drought in a Mediterranean-climate Type Forest

Ruthrof

Matusick

Hardy

2015

Forests

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Globally, drought and heat-induced forest disturbance is garnering increasing concern. Species from Mediterranean forests have resistance and resilience mechanisms to cope with drought and differences in these ecological strategies will profoundly influence vegetation composition in response to drought. Our aim was to contrast the early response of two co-occurring forest species, Eucalyptus marginata and Corymbia calophylla, in the Northern Jarrah Forest of southwestern Australia, following a sudden and severe drought event. Forest plots were monitored for health and response, three and 16 months following the drought. Eucalyptus marginata was more susceptible to partial and complete crown dieback compared to C. calophylla, three months after the drought. However, resprouting among trees exhibiting complete crown dieback was similar between species. Overall, E. marginata trees were more likely to die from the impacts of drought, assessed at 16 months. These short-term differential responses to drought may lead to compositional shifts with increases in frequency of drought events in the future.

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“…Northern red oak, a deciduous species that occupies low-to high-elevation sites across the Southern Appalachian mountain range, has received considerable attention in dendroclimatic research (e.g., Tainter et al, 1990;Pan et al, 1997;Fekedulegn et al, 2003;Speer et al, 2009); however, these studies were based on tree-ring records from lower elevation closed-canopy stands where climate is less variable and often markedly differs from higher elevation regions (Konrad, 1996). In this paper, a collection of six open-canopy high-elevation northern red oak (Quercus rubra L.) ring-width records are evaluated for the presence of a common climate-driven growth signal across the Southern Appalachian mountain range in the southeastern United States.…”

Section: Introductionmentioning

confidence: 99%

Do High-Elevation Northern Red Oak Tree-Rings Share a Common Climate-Driven Growth Signal?

Crawford

2012

Arctic, Antarctic, and Alpine Research

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Influence of topographic aspect, precipitation and drought on radial growth of four major tree species in an Appalachian watershed

Cited by 181 publications

References 18 publications

Rapid climate change‐related growth decline at the southern range edge of Fagus sylvatica

Rapid climate change‐related growth decline at the southern range edge of Fagus sylvatica

Early Differential Responses of Co-dominant Canopy Species to Sudden and Severe Drought in a Mediterranean-climate Type Forest

Do High-Elevation Northern Red Oak Tree-Rings Share a Common Climate-Driven Growth Signal?

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