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Results for: 'Time Series Video Lecture'

0:47

Syrup is Complex

By: uvmext

Compared to the relatively simple composition of maple sap, maple syrup has over 130 different identified flavor and aroma compounds. The predominant classes of flavor compounds are phenolics, pyrazines, and carbonyl-based compounds. Typically, li...

0:42

Traditional Collection Methods

By: uvmext

Traditional methods of sap collection have changed over time. Initially, Native Americans created gashes in the stem, and directed sap into wooden or bark vessels. Early spouts were created by hollowing out small twigs, which were inserted into ta...

1:01

Why Does Sap Flow?

By: uvmext

Why Does Sap Flow from Maple Trees? Throughout the maple region, there are several weeks of alternating freeze and thaw temperatures each spring. This weather provides the right conditions for sap flow in maple. Unlike most trees, maples have tiny...

1:41

Bulk Syrup Sales

By: uvmext

According to the 2019 USDA NASS maple syrup report approximately 90% of Vermont's total annual maple syrup production (about 1.8 million gallons) was sold into the bulk market. The remainder of the crop was sold either to retail or wholesale custo...

1:37

Shade Tolerance 1

By: uvmext

All green plants, which includes trees, need sunlight to produce energy for survival. Some trees can satisfy their basic needs with less light than others. Sugar and red maples are two examples of such trees. They are both considered shade-toleran...

1:33

Vermont Operation Sizes

By: uvmext

Vermont produces more maple syrup than any US state. According to statistics from the USDA, Vermont made over 2.2 million gallons of syrup in 2020. The crop is made by sugar makers with operations of all sizes. The average size of operation in Ver...

2:08

Saddled Prominent

By: uvmext

Maple trees managed for sap production remain part of a forest ecosystem. Forest ecosystems are complex communities of plants, animals and microbes all interacting with their physical environment and climate. Forests are especially competitive env...

5:50

University of Vermont Biology Thanksgiving: Gratitude in Science

By: tsoleary

Thanksgiving is traditionally a time to take a step back from the day-to-day grind and take a mental inventory of the things for which we are grateful: our family, friends, colleagues, homes, & health. This is especially important in a brutal year...

14:11

Chapt 2 Biological Contamination and FATTOM

By: tpritcha

This is an introduction to the concept of biological contamination and ends with a discussion of FATTOM. FATTOM is an acronym used to identify means of controlling microbial growth.