Understory tree characteristics and disturbance history of a central Appalachian forest prior to old-growth harvesting

Schuler, Thomas M.; Fajvan, Mary Ann

doi:10.2737/ne-rp-710

Cited by 23 publications

(27 citation statements)

References 29 publications

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“…Although American chestnut (Castanea dentata) and oak species, such as northern red oak (Quercus rubra), historically dominated the forest overstory, chestnut blight (Cryphonectria parasitica) and subsequent lack of intense disturbance, including fire and clearcutting, since the mid20th century has allowed forest composition to shift toward shade-tolerant tree species, such as maples (Acer spp.) and American beech (Fagus grandifolia) (Schuler and Fajvan, 1999;Schuler, 2004). Prescribed fire recently has been used to promote oak regeneration in FEF forests that are currently dominated by sugar maple (Acer saccharum), red maple (Acer rubrum), yellow-poplar (Liriodendron tulipifera), black cherry (Prunus serotina), American beech, sweet birch (Betula lenta), and basswood (Tilia americana) (Schuler, 2004).…”

Section: Study Areamentioning

confidence: 99%

“…Mean annual temperature is 9.2°C, ranging from a mean of À18.0°C in January to 20.6°C in July (Kochenderfer, 2006). Vegetation at FEF is a mosaic of second-and third-growth, mixed-mesophytic and northern hardwood forest that has been managed by even (patch clearcut)-and uneven (single-tree selection variants)-aged silviculture since the mid-20th century, or has been left undisturbed following initial harvesting in Elklick Run watershed from 1903 to 1911 (Schuler and Fajvan, 1999). Although American chestnut (Castanea dentata) and oak species, such as northern red oak (Quercus rubra), historically dominated the forest overstory, chestnut blight (Cryphonectria parasitica) and subsequent lack of intense disturbance, including fire and clearcutting, since the mid20th century has allowed forest composition to shift toward shade-tolerant tree species, such as maples (Acer spp.)…”

Section: Study Areamentioning

confidence: 99%

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Roost networks of northern myotis (Myotis septentrionalis) in a managed landscape

Johnson

Ford

Edwards

2012

Forest Ecology and Management

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Section: Study Areamentioning

confidence: 99%

Section: Study Areamentioning

confidence: 99%

Roost networks of northern myotis (Myotis septentrionalis) in a managed landscape

Johnson

Ford

Edwards

2012

Forest Ecology and Management

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“…Vegetation at FEF is largely a mosaic of second-and third-growth, mixed-mesophytic and northern hardwood forest. Forests on the FEF, largely resembling those in the surrounding region, have been managed by even (patch clearcut)-and uneven (singletree selection)-aged silviculture since the mid-20th century, or has been left undisturbed following initial harvesting in the Elklick watershed from 1903 to 1911 (Schuler and Fajvan 1999). Prescribed fire has recently been used to promote oak regeneration in stands currently dominated by sugar maple Acer saccharum, red maple A. rubrum, yellow-poplar Liriodendron tulipifera, black cherry Prunus serotina, American beech, sweet birch Betula lenta, and basswood Tilia americana (Schuler 2004).…”

Section: Study Areamentioning

confidence: 99%

Roost Selection by Male Indiana Myotis Following Forest Fires in Central Appalachian Hardwoods Forests

Johnson

Ford

Rodrigue

et al. 2010

Journal of Fish and Wildlife Management

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Despite the potential for prescribed fire and natural wildfire to increase snag abundance in hardwood forests, few studies have investigated effects of fire on bat roosting habitat, particularly that of the endangered Indiana myotis Myotis sodalis. From 2001 to 2009, we examined roost selection of Indiana myotis in burned and unburned forests in Tucker County, West Virginia. We radiotracked 15 male Indiana myotis to 50 roost trees; 16 in burned stands and 34 in unburned stands. Indiana myotis roosted in stands that had initially been burned 1-3 y prior to our observations. In burned stands, Indiana myotis roosted exclusively in fire-killed maples (Acer spp.). In unburned stands, they roosted in live trees, predominately hickories (Carya spp.), oaks (Quercus spp.), and maples. Roost trees in burned stands were surrounded by less basal area and by trees in advanced stages of decay, creating larger canopy gaps than at random trees in burned stands or actual roost trees located in unburned stands. Compared to random trees in unburned stands, roost trees in unburned stands were less decayed, had higher percent bark coverage, and were surrounded by less basal area, also resulting in larger canopy gaps. Roost-switching frequency and distances moved by Indiana myotis among roost trees were similar between burned and unburned stands. Our research indicates that use of fire for forest management purposes, at minimum provoked no response from Indiana myotis in terms of roost tree selection, and may create additional roost resources, depending on spatial context.

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“…For example, in the Nowacki and Abrams (1997) criteria, percentgrowth change is calculated in 10-year running windows with a release threshold of twenty-five percent. These criteria have been successfully applied in a number of studies (Rozas, 2003;Schuler and Fajvan, 1999;Winter et al, 2002), validated by independent testing (Rentch et al, 2002), and found to reflect the magnitude and timing of percent crown exposure (Rentch et al, 2003).…”

Section: Introductionmentioning

confidence: 99%

Propriétés des critères des lignes limites de dégagement chez les arbres Nord Américains

Black¹,

Abrams

Rentch

et al. 2009

Ann. For. Sci.

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Abstract• Boundary line release criteria are increasingly applied to evaluate forest disturbance histories from tree-ring data. However, a number of important properties central to the technique have not been evaluated, including: (i) the ability of boundary line release criteria to standardize releases across various sites, species, and tree life stages (ii) the minimum sample sizes necessary for developing boundary lines, and (iii) the degree to which the criteria can resolve the degree of crown exposure following a disturbance event.• In an analysis of eleven North American tree species, boundary line release criteria do not fully compensate for declines in release response a tree experiences with increasing age and size, with the exception Tsuga canadensis.• A bootstrapping analysis indicates that approximately 50 000 ring width measurements are necessary to develop boundary line release criteria for a given species.• In a Quercus prinus stand, boundary line release criteria better predict the degree of crown exposure following a disturbance than an earlier running mean technique.• Despite certain limitations, boundary line release criteria have the potential to standardize release calculation across most life stages of a tree, and possibly among sites and species. Mots-clés :dendrochronologie / écologie des perturbations / écologie forestière / critères de dégagement Résumé -Propriétés des critères des lignes limites de dégagement chez les arbres Nord Améri-cains.• Les lignes limites de dégagement sont des critères de plus en plus appliqués pour évaluer l'historique des perturbation des forêts à partir des données des cernes des arbres. Toutefois, un certain nombre de propriétés importantes au coeur de la technique n'ont pas été évaluées, y compris : (i) la capacité du critère de la ligne limite de dégagement pour standardiser les dégagements à travers différents sites, espèces et stades de la vie des arbres, (ii) la taille minimale des échantillons nécessaires pour le développement de lignes limites, et (iii) le degré avec lequel les critères peuvent résoudre le degré d'exposition de la couronne suite à un événement perturbant.• Dans une analyse de onze espèces d'arbres d'Amérique du Nord, les critères de ligne limite ne compensent pas entièrement la baisse de réponse au dégagement d'un arbre en relation avec l'âge et la dimension, à l'exception Tsuga canadensis.• Une analyse bootstrap indique que près de 50 000 mesures de largeur sont nécessaires pour déve-lopper des critères de ligne limite de dégagement pour une espèce donnée.• Dans un peuplement de Quercus prinus, les critères de ligne limite de dégagement permettent de mieux prédire le degré d'exposition de la couronne à la suite d'une perturbation que la technique de la moyenne courante.• En dépit de certaines limitations, les critères de ligne de limite de dégagement ont le potentiel de standardiser les calculs de dégagement dans la plupart des étapes de la vie d'un arbre et, éventuelle-ment, entre les sites et les espèces.

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Understory tree characteristics and disturbance history of a central Appalachian forest prior to old-growth harvesting

Cited by 23 publications

References 29 publications

Roost networks of northern myotis (Myotis septentrionalis) in a managed landscape

Roost networks of northern myotis (Myotis septentrionalis) in a managed landscape

Roost Selection by Male Indiana Myotis Following Forest Fires in Central Appalachian Hardwoods Forests

Propriétés des critères des lignes limites de dégagement chez les arbres Nord Américains

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