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Long-term impact of liming on growth and vigor of northern hardwoods
- Source :
- Canadian Journal of Forest Research. June 1, 2011, Vol. 41 Issue 6, p1295, 13 p.
- Publication Year :
- 2011
-
Abstract
- Sugar maple (Acer saccharum Marsh.) is a keystone species in the northern hardwood forest, and decline episodes have negatively affected the growth and health of sugar maple in portions of its range over the past 50+ years. Crown health, growth, survival, and flower and seed production of sugar maple were negatively affected by a widespread decline event in the mid-1980s on the unglaciated Allegheny Plateau in northern Pennsylvania. A long-term liming study was initiated in 1985 to evaluate responses to a one-time application of 22.4 Mg * [ha.sup.-1] of dolomitic limestone in four northern hardwood stands. Over the 23-year period ending in 2008, sugar maple basal area increment (BAINC) increased significantly (P ≤ 0.05) in limed plots from 1995 through 2008, whereas American beech (Fagus grandifolia Ehrh.) BAINC was unaffected. For black cherry (Prunus serotina Ehrh.), the third principal overstory species, BAINC and survival were reduced in limed plots compared with unlimed plots. Foliar Ca and Mg remained significantly higher in sugar maple foliage sampled 21 years after lime application, showing persistence of the lime effect. These results show long-term species-specific responses to lime application. L'erable a sucre (Acer saccharum Marshall) est une espece cle de la foret feuillue nordique et les episodes de deperissement ont eu un effet nefaste sur la croissance et la sante de cette essence dans certaines parties de son aire de repartition au cours des 50 dernieres annees et un peu plus. Un episode generalise de deperissement, survenu au milieu des annees 1980 sur le Plateau d'Alleghany qui a echappe a la glaciation dans le nord de la Pennsylvanie, a eu un effet nefaste sur la sante de la cime, la croissance, la survie ainsi que la production de fleurs et de graines de l'erable a sucre. Une experience de chaulage a ete initiee en 1985 pour evaluer la reponse a long-terme a une application unique de 22.4 Mg * [ha.sup.-1] de chaux dolomitique dans quatre peuplements de feuillus nordiques. Pendant la periode de 23 ans qui s'est terminee en 2008, l'accroissement en surface terriere de l'erable a sucre a significativement (P ≤ 0.05) augmente dans les parcelles chaulees tandis que celui du hetre d'Amerique (Fagus grandifolia Ehrh.) n'a pas ete affecte. Dans le cas du cerisier tardif (Prunus serotina Ehrh.), la troisieme espece en importance de l'etage dominant, le chaulage a reduit sa surface terriere et sa survie comparativement aux arbres dans les parcelles temoins. Le Ca et le Mg foliaires sont demeures significativement plus eleves dans le feuillage de l'erable a sucre echantillonne 21 ans apres l'application de chaux indiquant que la chaux avait un effet persistant. Ces resultats montrent que les reactions a l'application de chaux sont propres a chaque espece. [Traduit par la Redaction]<br />Introduction Concern for the effects of acid deposition on forest soils has led to interest in forest liming as a remedial measure. The northeastern United States has received historically high [...]
Details
- Language :
- English
- ISSN :
- 00455067
- Volume :
- 41
- Issue :
- 6
- Database :
- Gale General OneFile
- Journal :
- Canadian Journal of Forest Research
- Publication Type :
- Academic Journal
- Accession number :
- edsgcl.267135710
- Full Text :
- https://doi.org/10.1139/X11-049