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Results for: 'Tree ID'

0:51

Tubing

By: uvmext

Although sap is still collected by some maple producers in buckets or plastic bags, the majority of maple sap is currently collected using plastic spouts and a network of tubing lines. The standard tubing used for the lines that run from tree to t...

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...

1:24

Shade Tolerance 2

By: uvmext

As trees form, the size and shape of its stem and crown, will be impacted by living in a low light environment such as the forest's understory. So-called suppressed trees are able to capture just enough sun to survive. Sugar maples growing in the ...

33:57

109 lect 5 intervals

By: dfeurzei

How to build and ID intervals

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...

9:18

negated quantifier proofs PHIL013AB

By: mcweiner

A video on how to do proofs with negated quantifiers. Introduces two new rules, ~AO and ~EO, and discusses how to do proofs where you need to SHOW negated quantifiers (you have to do ID).

1:42

Vacuum and Wounding

By: uvmext

A modern maple operation relies on a tubing system with vacuum to maximize sap production. The innovation of plastic tubing originally came as a labor-saving device and not to increase sap yield from individual trees. As the materials used to prod...