Nutrient stress predisposes and contributes to sugar maple dieback across its northern range: a review

Bal, Tara L.; Storer, Andrew J.; Jürgensen, Martin F.; Doskey, Paul V.; Amacher, Michael C.

doi:10.1093/forestry/cpu051

Cited by 52 publications

(37 citation statements)

References 181 publications

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“…For example, nutrient stresses increase the risk of injury or mortality from other biotic and abiotic stressors (Bal et al. ). If N deposition simultaneously increases aboveground biomass and water demand (Grulke et al.…”

Section: Mechanism Of Effect From Atmospheric Deposition On Treesmentioning

confidence: 99%

Mechanisms of nitrogen deposition effects on temperate forest lichens and trees

et al. 2017

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Abstract. We review the mechanisms of deleterious nitrogen (N) deposition impacts on temperate forests, with a particular focus on trees and lichens. Elevated anthropogenic N deposition to forests has varied effects on individual organisms depending on characteristics both of the N inputs (form, timing, amount) and of the organisms (ecology, physiology) involved. Improved mechanistic knowledge of these effects can aid in developing robust predictions of how organisms respond to either increases or decreases in N deposition. Rising N levels affect forests in micro-and macroscopic ways from physiological responses at the cellular, tissue, and organism levels to influencing individual species and entire communities and ecosystems. A synthesis of these processes forms the basis for the overarching themes of this paper, which focuses on N effects at different levels of biological organization in temperate forests. For lichens, the mechanisms of direct effects of N are relatively well known at cellular, organismal, and community levels, though interactions of N with other stressors merit further research. For trees, effects of N deposition are better understood for N as an acidifying agent than as a nutrient; in both cases, the impacts can reflect direct effects on short time scales and indirect effects mediated through long-term soil and belowground changes. There are many gaps on fundamental N use and cycling in ecosystems, and we highlight the most critical gaps for understanding potential deleterious effects of N deposition. For lichens, these gaps include both how N affects specific metabolic pathways and how N is metabolized. For trees, these gaps include understanding the direct effects of N deposition onto forest canopies, the sensitivity of different tree species and mycorrhizal symbionts to N, the influence of soil properties, and the reversibility of N and acidification effects on plants and soils. Continued study of how these N response mechanisms interact with one another, and with other dimensions of global change, remains essential for predicting ongoing changes in lichen and tree populations across North American temperate forests.

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Section: Mechanism Of Effect From Atmospheric Deposition On Treesmentioning

confidence: 99%

Mechanisms of nitrogen deposition effects on temperate forest lichens and trees

et al. 2017

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“…Across these regions, nutrients implicated with sugar maple dieback included nitrogen (N), calcium (Ca), magnesium (Mg), phosphorus (P), and potassium (K) (Bal et al 2015). Additionally, soil acidification caused the potentially toxic cations aluminum (Al) and manganese (Mn) to become more readily available in soils, which created an additional stressor that affected sugar maple health and growth (Bal et al 2015, Halman et al 2013. Several studies also showed sugar maple growth to be related to soil base cation supplies; sugar maple growth decreased on sites with poor base cation status (Bishop et al 2015, Duchesne et al 2002, Long et al 2009).…”

Section: Introductionmentioning

confidence: 99%

Sugar maple decline and lessons learned about Allegheny Plateau soils and landscapes

Long

Horsley

Bailey

et al. 2019

50 Years Ofscience-Management Cooperation

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Insights for Managers • A long-term forest liming study showed the critical importance of base cations for sustaining sugar maple crown health, growth, and survival. • A topographic gradient study examined the distribution of base cations on the landscape in relation to sugar maple health and found that unglaciated summits, shoulders, and upper backslopes had the most crown dieback and mortality. • Foliar calcium and magnesium were lowest on the unglaciated upper landscape stands and, combined with two or more moderate to severe defoliations in the preceding 10 years, cause extensive sugar maple dieback and mortality. • Bedrock parent material and hydrologic flow paths were important factors that affected where sugar maple declined on unglaciated sites. • A 30-year retrospective study that used archived soils from four forested and undisturbed sites originally sampled in 1967 showed that changes in soil base cation status and acidity over 30 years was a predisposing stressor for sugar maple. • This multidisciplinary research produced a new understanding of the factors that led to the widespread sugar maple decline episode.

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“…Historically, sugar maple declines have not been limited to northern Pennsylvania; other declines have been reported in parts of New England, the Lake States, and Quebec and Ontario (Bal et al 2015). A common theme in these declines is the interaction with nutrient stress.…”

Section: Introductionmentioning

confidence: 99%

“…A common theme in these declines is the interaction with nutrient stress. Across these regions, nutrients implicated with sugar maple dieback included nitrogen (N), calcium (Ca), magnesium (Mg), phosphorus (P), and potassium (K) (Bal et al 2015). Additionally, soil acidification caused the potentially toxic cations aluminum (Al) and manganese (Mn) to become more readily available in soils, which created an additional stressor that affected sugar maple health and growth (Bal et al 2015, Halman et al 2013.…”

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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50 years ofscience-management cooperation

Stout¹

2019

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This report represents proceedings of the Allegheny Society of American Foresters training session titled "SILVAH: 50 Years of Science Management Cooperation." This meeting celebrated a unique and long-lasting community of practice that includes forest and natural resource managers and scientists. SILVAH originated in northwestern Pennsylvania in the late 1960s. Over time, the research results, shared efforts, and training sessions led to decision support software and all became known as SILVAH, and the geographic range of the community expanded. This published proceedings includes 12 papers that describe the origins and early history of the community of practice, the current state of science and management guidelines as presented at the conference, as well as a paper that explores the factors that contributed to its long-term success.

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Nutrient stress predisposes and contributes to sugar maple dieback across its northern range: a review

Cited by 52 publications

References 181 publications

Mechanisms of nitrogen deposition effects on temperate forest lichens and trees

Mechanisms of nitrogen deposition effects on temperate forest lichens and trees

Sugar maple decline and lessons learned about Allegheny Plateau soils and landscapes

50 years ofscience-management cooperation

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