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Two ways to help satisfy the need for more high-quality sugar maple trees (Acer saccharum Marsh.) are by establishing plantations and by supplementing natural regeneration. To gain basic knowledge of seedling requirements for this species we studied the effects of soil moisture and nutrient levels on the growth of sugar maple seedlings in their first 3 years.
Crown dieback and declines in tree health of sugar maple (Acer saccharum) have been reported on various land ownerships in the western Upper Great Lakes region in recent years (MDNR 2009, 2010, 2012). In some areas, the crown dieback has affected high-value crop trees. Historically, sugar maple dieback (fig. 10.1) has been reported more frequently in the eastern part of its range and has not been described on the same scale in the Great Lakes region since the 1950s and 1960s (Bal and others 2015, Millers and others 1989). As a result, fewer studies of canopy health of sugar maple exist in the Midwest than in the Eastern United States.
The objective of this study was to examine leaf chlorophyll responses of sugar maple seedlings exposed to excess Mn.
Tree growth rate can be an important indicator of how well the tree will heal from tapholes.
The goal of this project was to examine the effects of liming and fertilization on tree physiology, growth and sugar production of a moderately fertile maple stand. In this first report, we describe, in general terms, the study area, treatments, and results of liming and fertilization on tree physiology and growth.
In this article we describe the effects of fertilization and liming on sugar production in maple stands.
This brochure is intended to help landowners and maple producers evaluate the nutrition of maple stands, and determine whether fertilization might be appropriate. There is an emphasis on learning some of the plants in your woods, as these are often valuable indicators of site quality, and are in many cases easier to interpret than chemical analyses of soil or leaves.
The timing and duration of budbreak of forest trees may be affected by biotic and abiotic factors. This manual provides a visual method for monitoring bud development of mature trees of sugar maple, Acer saccharum Marsh., from the ground. A spotting scope with a 15-45x zoom lens was used for bud rating. The user is supplied with close-up photographs and a brief description of each bud stage. Sample data sheets are also provided. This protocol is currently used in the Vermont Forest Health Monitoring Program.
The first full remeasurement of the annual inventory of the forests of Vermont and New Hampshire was completed in 2012 and covers nearly 9.5 million acres of forest land, with an average volume of nearly 2,300 cubic feet per acre. The data in this report are based on visits to 1,100 plots located across Vermont and 1,091 plots located across New Hampshire. Forest land is dominated by the maple/beech/birch forest-type group, which occupies 60 percent of total forest land area.
Slides from a presentation on how sugar maples adapt to drought and other effects of climate change.