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Health of Eastern North American Sugar Maple Forests and Factors Affecting Decline

Sugar maple (Acer saccharum) is a keystone species in the forests of the northeastern and midwestern United States and eastern Canada. Its sustained health is an important issue in both managed and unmanaged forests. While sugar maple generally is healthy throughout its range, decline disease of sugar maple has occurred sporadically during the pastfour decades; thus, it is important to understand the abiotic and biotic factors contributing to sugar maple health.

Publication:
Northern Journal of Applied Forestry
Date:
October 1, 2002

Height-Diameter Relations of Maple Street Trees

Height and diameter measurements were taken for silver, sugar and Norway maple street trees in Rochester and Syracuse, New York.

Publication:
Journal of Arboriculture
Date:
September 1, 1990

High Brix Syrup Processing & First Two Seasons with Lapierre HyperBrix

Given our extensive research experience on RO processing and flavor, and the appearance of new RO technology that could concentrate to higher levels, a shift toward this new technology seemed appropriate. Therefore after investigating various options, we entered into a partnership with Lapierre Equipment to utilize the new HyperBrix RO system at UVM PMRC. This paper describes some aspects of our first two seasons of use of this equipment. Given the state of the industry, we define Òhigh brixÓ maple sap processing as RO machines capable of producing concentrate at 30¡Brix or higher.

Publication:
Maple Syrup Digest
Date:
June 1, 2018

High Pressure Boiler Selection for the Production of Maple Products

Maple producers contemplating the use of high pressure steam should carefully plant their steam system with the assistance of qualified persons. Proper boiler selection to meet the system requirements is an important step in the success of any steam system.

Publication:
Maple Syrup Digest
Date:
February 1, 2002

High Vacuum in Gravity Tubing

Gravity tubing systems are widely used in many small to mid-sized operations throughout the maple region. This article summarizes the past 3 years of my research on gravity tubing, or tubing without a vacuum pump.

Publication:
Maple Syrup Digest
Date:
June 1, 2012

History of Northeastern US Maple Syrup Price Trends

Average annual percentage rates of change (APR) in maple syrup prices (average gallon equivalent price in the United States) in seven northeastern United States and their aggregated region were determined for the years 1916 to 2012. The price trend lines were then compared on state-by-state and region-by-state basis.

Publication:
Forest Products Journal
Date:
January 1, 2016

Hitting the Slope

Analysis of the importance of slope on a variety of tubing systems.

Publication:
Maple News
Date:
March 1, 2018

Homemade Small Reverse Osmosis Machines

Small reverse osmosis machines can be built from consumer parts and can help small producers cut down on boiling time and energy use. This article offers tips on building such devices.

Publication:
Maple Syrup Digest
Date:
March 1, 2021

How deep do you tap?

An investigation into the impact of tap hole depth on tree health.

Publication:
Farming, the Journal of Northeast Agriculture
Date:
October 1, 2011