Communities and tree seedling distribution in Quercus rubra- and Prunus serotina-dominated forests in southwestern Pennsylvania

We characterized forest communities and tree seedling distribution in Forbes State Forest in order to elucidate tree regeneration problems in stands that had been either undisturbed, selectively cut or clear-cut in the 20th century. Undisturbed and selectively cut stands were classified into three Q...

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Bibliographic Details
Published in:	The American midland naturalist Vol. 126; no. 2; pp. 294 - 307
Main Authors:	Smith, L.L. (Miami University, Oxford, OH), Vankatk, J.L
Format:	Journal Article
Language:	English
Published:	Notre Dame University of Notre Dame 01-10-1991 American Midland Naturalist
Subjects:	ACER SACCHARUM CHIMIE DU SOL COMMUNAUTE VEGETALE COMUNIDADES VEGETALES Deciduous forests DISTRIBUCION NATURAL DISTRIBUTION NATURELLE ECOLOGIA FORESTAL ECOLOGIE FORESTIERE Ecology ENVIRONMENTAL FACTORS FACTEUR DU MILIEU FACTORES AMBIENTALES FAGUS GRANDIFOLIA Forest communities FOREST ECOLOGY Forest regeneration Forest restoration Forest stands Forests GEOGRAPHICAL DISTRIBUTION Hardwood forests Herbs NATURAL DISTRIBUTION NATURAL REGENERATION Old growth forests PENNSYLVANIA PENNSYLVANIE PLANT COMMUNITIES PLANTULAS PLANTULE PRUNUS SEROTINA QUERCUS RUBRA QUIMICA DEL SUELO REGENERACION NATURAL REGENERATION NATURELLE SEEDLINGS SLOPING LAND SOIL CHEMISTRY SOIL TEXTURE TERRE EN PENTE TERRENO EN DECLIVE TEXTURA DEL SUELO TEXTURE DU SOL Trees USA, Pennsylvania
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Summary:	We characterized forest communities and tree seedling distribution in Forbes State Forest in order to elucidate tree regeneration problems in stands that had been either undisturbed, selectively cut or clear-cut in the 20th century. Undisturbed and selectively cut stands were classified into three Quercus rubra- and two Prunus serotina-dominated community types. Three of these five types were products of logging in the two primary forest types: QUERCUS RUBRA-MIXED HARDWOOD and PRUNUS SEROTINA-ACER SACCHARUM-FAGUS GRANDIFOLIA forests. Ordination and regression analysis indicated that the division between the Q. rubra- and the P. serotina-dominated communities was associated with differences in slope inclination, soil chemistry and soil texture. Clear-cut stands were divided into four community types, all of which were successional stages of P. serotina-dominated forests. The distribution of tree seedlings was related to overstory vegetation gradients, soil chemistry and species of overtopping tree. Cover of Q. rubra seedlings was negatively related to cover of the fern, Dennstaedtia punctilobula, a species previously implicated in tree regeneration problems. Dennstaedtia cover was negatively related to canopy cover, indicating that it increases following logging.
Bibliography:	9150298 P33 F40 ObjectType-Article-2 SourceType-Scholarly Journals-1 ObjectType-Feature-1 content type line 23
ISSN:	0003-0031 1938-4238
DOI:	10.2307/2426105