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New videos demonstrate techniques and tools to survey forestland trees
Forestland owners can learn how to survey the trees on their property from four new videos produced by UC Cooperative Extension, setting them on a course for sustainable management of their forestland. The videos are available on the UC ANR YouTube channel (http://youtube.com/UCANR).
Learning the tools and techniques used for centuries by professional foresters and research scientists allows private forest owners to collect data that paints a picture of the land and trees' current condition.
“Whether it's managing to reduce wildfire, control invasive species, protect the nature beauty or maximize timber harvest, you need to know what you have so you can select the right actions to achieve your goals,” said Kimberly Ingram, UC Cooperative Extension forest stewardship education academic coordinator.
While about two-thirds of California's 33 million acres of forests are public lands held by state and federal government agencies, the rest is in private hands. In 2019, with funds from CAL FIRE, UCCE launched a program to reach out to the 87,000 private landowners who manage portions of California's forests.
Before the COVID-19 outbreak, three-day field workshops were offered to groups of forest owners to help them develop a plan to improve and protect their forestlands in an ecologically and economically sustainable manner. Because of the pandemic, alternative approaches are being used, including video training, online workshops and limited outdoor field days in locations where social distancing is feasible.
“We're using the flipped classroom method,” Ingram said. “The learner reads and watches videos beforehand and then, when they come to the online classroom and field day sessions, we're delving into real-world examples.”
Kestrel Grevatt, a member of the Grizzly Corps, an AmeriCorps program developed by UC Berkeley that addresses community needs related to climate change, was enlisted to create videos that demonstrate forest measurement practices.
The videos are for landowners who participate in the workshop series and for other forest owners who wish to begin collecting data on their own.
Susie Kocher, UCCE forestry and natural resources advisor in the Central Sierra Cooperative Extension office, narrates and conducts demonstrations in each of the videos. They cover the following topics:
Tree measurement tools
Learn the basics of forest inventory and what measurements you need to quantitatively represent your forest. It covers the usage of a diameter tape, Spencer logger's tape and Biltmore stick (or CA tree stick).
Using a clinometer to measure tree height
A clinometer is a simple tool which can be used to measure heights. In this video, you will learn how to use a clinometer to accurately measure tree height as part of a forest inventory.
Plot establishment tools
Learn how to use a compass, reel fiberglass tape and cruise vest to establish plots. The video covers how to think about your own inventory system and what you will want to take with you when you head into the woods.
Plot layout and inventory system
Learn what it looks like to collect plot data. This video includes a review of plot layout, the measurements and observations to note, and how sample data can represent your entire forest.
Three more forest stewardship workshops have been scheduled:
Feb. 2 - April 13, tribal-focused stewardship workshop: Online and at the Big Sandy Rancheria. Registration now open.
March 22 - May 27, online and in Humboldt County. Registration now open.
April 21 - June 16, online and in San Bernardino County. Registration opening soon.
Workshop registration is $60. Breakfast and lunches are provided for in-person field days. Register at http://ucanr.edu/forestryworskhopregistration.
For more information on forest management and forest stewardship workshops visit the Forest Research and Outreach website at http://ucanr.edu/forestry.
