Alicia Christiansen

she/her/hers

Forestry & Natural Resources , Associate Professor of Practice

541-236-3002

Expertise: Cutting and selling trees , Fire , Forest health and management , Nontimber forest products , Tree care

Programs: Master Woodland Manager , Women Owning Woodlands Network

Locations: Douglas County

Content by Alicia Christiansen

OSU Woodland Stick simplifies tree measurements for landowners

The OSU Woodland Stick helps users make informed decisions about forest management and future planning.

Lauren Grand, Alicia Christiansen, Francisca Belart Marrs | Mar 2025 | Impact story

Harvesting evergreen boughs from your woodland

Harvest evergreen boughs from your woodland property to make holiday wreaths. Be sure to harvest sometime after the first hard frost, and use proper pruning techniques.

Alicia Christiansen | Dec 2024 | OSU Extension Catalog Peer reviewed (Gray level)

Keeping your trees alive is harder than it sounds

Longer, hotter summers and changing climatic conditions means that many of our newly planted native forest seedlings are stressed. Should you water native forest tree seedlings to help them make it through?

Alicia Christiansen | Jul 2024 | OSU Extension Catalog Peer reviewed (Gray level)

Students go outdoors to learn about natural resources at forestry tour

This year two dozen public, private, Montessori and home-based schools signed up for the tour, with 830 students attending.

Chris Branam | Jun 17, 2024 | News story

Enthusiastic crowd attends OSU Extension workshop to hear about iconic madrone tree

With distinctive peeling bark and statuesque form madrone trees play an iconic role in the Pacific Northwest landscape.

Kym Pokorny | Dec 8, 2023 | News story

Episode 36: Oak

In this episode, Jacob Putney is joined by Steve Denney and Alicia Christiansen to discuss the importance of educating the public about Oak trees and their positive impacts on Oregon's woodlands.

Jacob Putney, Alicia Christiansen, Steve Denney | Aug 2023 | Podcast episode

Oregon Native Edible Truffles

Oregon provides ideal growing conditions for truffles. There are hundreds of native truffle species in Oregon, but only four are considered gourmet edible truffles. Learn more about these aromatic, highly sought-after fungi used as culinary delicacies in many dishes.

Alicia Christiansen, Tiffany Hopkins | Jul 2023 | OSU Extension Catalog Peer reviewed (Orange level)

What’s lurking beneath the forest floor?

When insects and disease enter a forest, the damage isn’t always obvious at first. By the time damage is visible, it might be too late to combat the issue. This can be especially challenging for landowners dealing with root diseases.

Alicia Christiansen | Mar 2023 | OSU Extension Catalog Peer reviewed (Gray level)

Using logs, OSU Extension teaches kids how to grow mushrooms for food

It was the first time that Mandy Hatfield, a nutrition educator, and Alicia Christiansen, a forester, had worked together on a project.

Chris Branam | Feb 28, 2023 | News story

Pacific poison-oak and western poison-ivy: Identification and management

Discusses how to identify and control Pacific poison-oak and western poison-ivy, and how to prevent exposure to the plants' oily substance, urushiol, which can cause an allergic contact dermatitis.

Brooke Edmunds, Lauren Grand, Alicia Christiansen, Andy Hulting | Nov 2022 | OSU Extension Catalog Peer reviewed (Orange level)

Douglas County residents learn about firewise communities from OSU Extension workshop

The event was held in the field to illustrate how two residents prepared their homes and surrounding area to have a better chance of withstanding wildfire and to urge residents to organize a Firewise USA community.

Kym Pokorny | Jun 3, 2022 | News story

Preventing Phytophthora Infestations in Restoration Nurseries

Phytophthora species are water molds that can kill plants. They can spread undetected in container plants and equipment. Once they are introduced to an ecosystem, it's difficult or impossible to eradicate them. ...

Norma Kline, Marianne Elliott, Jennifer Parke, Dan Stark, David C. Shaw, Alicia Christiansen | Jan 2022 | OSU Extension Catalog Peer reviewed (Orange level)

Digital mapping tools: Part 2, printing a topographic map

For a big-picture view of the landscape, sometimes nothing beats the power of a paper map. Save yourself a trip to the store and print out just the map you need from any number of free websites.

Norma Kline, Alicia Christiansen | Apr 2024 | OSU Extension Catalog Peer reviewed (Gray level)

Digital mapping tools: Part 1, the basics

Get more out of your smartphone! Free or low-cost digital mapping tools can help you track your path, measure a boundary, calculate area and pinpoint problem areas so you can find them again. You can even map vegetation via satellite imagery.

Norma Kline, Alicia Christiansen | Mar 2021 | OSU Extension Catalog

Extension foresters note trend in redwood plantings, plan needs assessment

As landowners in western Oregon start to plant redwood trees more frequently, OSU Extension foresters plan a survey to determine why the tall trees have become popular.

Kym Pokorny | Jan 26, 2021 | News story

Methods for mitigating soil erosion after a wildfire

Soil erosion following a wildfire often needs to be addressed in areas of high-intensity fires. Which method is used to minimize erosion depends on soil type, slope steepness and subsequent rainfall.

Alicia Christiansen, Wildfire Recovery group | Jan 2025 | OSU Extension Catalog Peer reviewed (Gray level)

Extension employees among tens of thousands of Oregon fire evacuees

OSU Extension employees are among the tens of thousands of Oregonians who have been evacuated due to the wildfires. Here are a few of their stories.

Chris Branam | Sep 16, 2020 | News story

Land Survey and Mapping: An Introduction for Woodland Owners

Discusses types of plane surveys, including property surveys and cadastral surveys. Briefly sketches the history of the rectangular survey system in the United States and describes how the rectangular system works. ...

Norma Kline, Alicia Christiansen | Apr 2021 | OSU Extension Catalog Peer reviewed (Orange level)

Selling Logs from Your Property: A Curriculum Package for Educators in the Western U.S.

Selling logs is one of the most important decisions a landowner can face. This curriculum package for forestry educators brings together consulting foresters, log buyers and loggers to teach participants how to get...

Lauren Grand, Alicia Christiansen, Francisca Belart Marrs, Tamara Cushing, Chris C. Schnepf, Kelsey Ketcheson | Jun 2024 | OSU Extension Catalog Peer reviewed (Orange level)

That's no pine cone! Learn about the parasitic groundcone plant

What are those funny cone-like things sticking out of the ground? They're parasitic plants that grow on the roots of madrone and manzanita.

Alicia Christiansen, Max Bennett | Feb 2025 | OSU Extension Catalog Peer reviewed (Gray level)

Keeping Your Home and Property Safe from Wildfire

Learn to reduce wildfire risk by creating defensible space around your home.

Max Bennett, Stephen Fitzgerald, Alicia Christiansen, Kara Baylog | Sep 2023 | OSU Extension Catalog Peer reviewed (Orange level)

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