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91787 
Journal Article 
Influence of edaphic factors on sugar maple nutrition and health on the Allegheny Plateau 
Bailey, SW; Horsley, SB; Long, RP; Hallett, RA 
2004 
Yes 
Soil Science Society of America Journal
ISSN: 0361-5995
EISSN: 1435-0661 
68 
1 
243-252 
WOS:000188497600030 
Sugar maple (Acer saccharum Marsh.) decline has been a problem on the Allegheny Plateau for the last two decades. Previous work found that sugar maple is predisposed to decline by poor nutrition and incited to decline by severe insect defoliation. Nutritional diagnoses have been based on foliar chemistry; there is little information on soil attributes that influence susceptibility. We evaluated relationships among soil characteristics, foliar chemistry, and sugar maple decline for 43 stands on the Allegheny Plateau in New York and Pennsylvania using correlation and stepwise regression techniques. Foliar Ca and Mg concentrations correlated with soil exchangeable cations expressed on a concentration or site capital basis. Expression of base cation availability as a saturation value, or in ratio with Al, slightly improved the relationships, suggesting that antagonistic cations are important to sugar maple nutrition. The best predictions of foliar chemistry were made by regressions that considered soil chemistry across the depth of the B horizon, suggesting the importance of looking at more than one depth to assess nutrition. Landscape position and glacial history determined whether weathering products were effectively delivered to the rooting zone, resulting in the observed landscape gradients. All declining stands were on unglaciated upper landscape positions where soils had lower Ca and Mg levels compared with other landscape positions. Declining stands had <2% Ca saturation and <0.5% Mg saturation in the upper B and <4% Ca saturation and <0.6% Mg saturation in the lower B. These thresholds may be useful in predicting susceptibility to sugar maple decline. 
• ISA NOxSOxPM Ecology (2018)
     Cited in First Draft
          Chapter 4
          Appendix C: Case Studies
               Northeast US
     Cited in the Second Draft
          Appendix 4
          Appendix 16
               16.1 Northeast
               16.2 Adirondacks
• ISA NOxSOxPM Ecology (2020- Final Project Page)
     Cited
          Appendix 4
          Appendix 16
               16.1 Northeast
               16.2 Adirondacks