scholarly journals Fine roots are the dominant source of recalcitrant plant litter in sugar maple-dominated northern hardwood forests

2015 ◽  
Vol 208 (3) ◽  
pp. 715-726 ◽  
Author(s):  
Mengxue Xia ◽  
Alan F. Talhelm ◽  
Kurt S. Pregitzer
Keyword(s):  
Fine Roots ◽  
Sugar Maple ◽  
Hardwood Forests ◽  
Plant Litter ◽  
Northern Hardwood Forests ◽  
Dominant Source ◽  
Northern Hardwood

Complex drivers of sugar maple (Acer saccharum) regeneration reveal challenges to long-term sustainability of managed northern hardwood forests

2021 ◽  
Vol 479 ◽  
pp. 118541
Author(s):  
Catherine R. Henry ◽  
Michael B. Walters ◽  
Andrew O. Finley ◽  
Gary J. Roloff ◽  
Evan J. Farinosi
Keyword(s):  
Acer Saccharum ◽  
Sugar Maple ◽  
Hardwood Forests ◽  
Northern Hardwood Forests ◽  
Northern Hardwood

The contribution of beech bark disease-induced mortality to coarse woody debris loads in northern hardwood stands of Adirondack Park, New York, U.S.A.

2000 ◽  
Vol 30 (9) ◽  
pp. 1453-1462 ◽  
Author(s):  
Gregory G McGee
Keyword(s):  
Coarse Woody Debris ◽  
Sugar Maple ◽  
Woody Debris ◽  
Hardwood Forests ◽  
Fagus Grandifolia ◽  
Beech Bark Disease ◽  
Old Growth ◽  
Northern Hardwood Forests ◽  
Northern Hardwood ◽  
Live Tree

The objective of this study was to adjust previously published estimates of coarse woody debris (CWD) volume and basal areas in northern hardwood forests to account for elevated CWD inputs due to beech bark disease (a disease complex of the scale insect, Cryptococcus fagisuga Lindinger, and a fungus, Nectria spp., on American beech, Fagus grandifolia Ehrh.). Ratios of snags/live tree densities and downed CWD volume/live tree basal area were compared between beech and the codominant, shade-tolerant sugar maple (Acer saccharum Marsh.). The differences between the beech and the sugar maple ratios were used to define the elevated mortality from beech bark disease. Estimated volumes of downed CWD (stumps [Formula: see text] 1.0 m tall and logs), adjusted for effects of beech bark disease, were 108 ± 18 and 48 ± 11 m3·ha-1in old-growth and even-aged, 90- to 100-year-old maturing stands, respectively, representing reductions of 22 and 21%, respectively, compared with observed volumes. Similarly, snag densities were adjusted from 59.7 ± 21.7 to 41.1 ± 26.3 per hectare in the old-growth stands and from 96.3 ± 48.0 to 87.3 ± 46.5 per hectare in the maturing stands. Snag basal areas were reduced 21 and 17% from their observed values to 6.8 ± 3.5 and 3.5 ± 0.6 m2·ha-1in the old-growth and maturing stands, respectively. The adjusted CWD estimates presented here are more historically accurate and ecologically meaningful than previous observations made in diseased northern hardwood forests and, therefore, provide more appropriate target levels for managing CWD in these forest types.

scholarly journals Seed production of sugar maple and American beech in northern hardwood forests, New Hampshire, USA

2017 ◽  
Vol 47 (7) ◽  
pp. 985-990 ◽  
Author(s):  
Natalie L. Cleavitt ◽  
Timothy J. Fahey
Keyword(s):  
Seed Production ◽  
Tree Species ◽  
Sugar Maple ◽  
Hardwood Forests ◽  
Mast Seeding ◽  
Plant Resources ◽  
American Beech ◽  
Northern Hardwood Forests ◽  
Northern Hardwood ◽  
Seed Crops

Mast seeding is the synchronous production of large seed crops in plant populations and for many tree species is known to be determined by the interaction between weather cues and internal plant resources. We use a 24-year record of seedfall for sugar maple (Acer saccharum Marsh.) and American beech (Fagus grandifolia Ehrh.) across a northern hardwood forest landscape to quantify their masting patterns and explore the relationship between mast years, resources, and weather cues, particularly the difference between summer temperatures in the two years prior to the seedfall year (ΔT). We found clear evidence of masting in these species, and mast years were often coincident in the two species; masting was best predicted by ΔT or ΔT plus previous-year seedfall. We saw no evidence for correspondence of masting in these trees to precipitation cues. A soil calcium addition modified elevation effects on seed production. Clarification of the controls on mast seeding for these important tree species will aid in predicting such resources as mast for wildlife and maple sugar production in northern hardwood forests.

scholarly journals Preferences for Northern Hardwood Silviculture among Family Forest Owners in Michigan’s Upper Peninsula

2020 ◽  
Author(s):  
Alexander C Helman ◽  
Matthew C Kelly ◽  
Mark D Rouleau ◽  
Yvette L Dickinson
Keyword(s):  
Species Diversity ◽  
Hardwood Forests ◽  
Family Forest Owners ◽  
Forest Owners ◽  
Upper Peninsula ◽  
Northern Hardwood Forests ◽  
Family Forest ◽  
Northern Hardwood ◽  
Single Tree ◽  
Single Tree Selection

Abstract Managing northern hardwood forests using high-frequency, low-intensity regimes, such as single-tree selection, favors shade-tolerant species and can reduce tree species diversity. Management decisions among family forest owners (FFO) can collectively affect species and structural diversity within northern hardwood forests at regional scales. We surveyed FFOs in the Western Upper Peninsula of Michigan to understand likely future use of three silvicultural treatments—single-tree selection, shelterwood, and clearcut. Our results indicate that FFOs were most likely to implement single-tree selection and least likely to implement clearcut within the next 10 years. According to logistic regression, prior use of a treatment and perceived financial benefits significantly increased the odds for likely use for all three treatments. Having received professional forestry assistance increased likely use of single-tree selection but decreased likely use of shelterwood. We discuss these results within the context of species diversity among northern hardwood forests throughout the region.

scholarly journals Assessing Coarse Woody Debris Nutrient Dynamics in Managed Northern Hardwood Forests Using a Matrix Transition Model

Ecosystems ◽  
2019 ◽  
Vol 23 (3) ◽  
pp. 541-554
Author(s):  
Adam Gorgolewski ◽  
Philip Rudz ◽  
Trevor Jones ◽  
Nathan Basiliko ◽  
John Caspersen
Keyword(s):  
Coarse Woody Debris ◽  
Nutrient Dynamics ◽  
Woody Debris ◽  
Hardwood Forests ◽  
Transition Model ◽  
Northern Hardwood Forests ◽  
Northern Hardwood

Old-Growth Northern Hardwood Forests in Northeastern Minnesota

Ecology ◽  
1964 ◽  
Vol 45 (3) ◽  
pp. 448-459 ◽  
Author(s):  
Edward Flaccus ◽  
Lewis F. Ohmann
Keyword(s):  
Hardwood Forests ◽  
Old Growth ◽  
Northern Hardwood Forests ◽  
Northern Hardwood
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