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Tree School

Forestry Events - Sat, 03/24/2018 - 2:40pm
Saturday, March 24, 2018 (all day event)

If you would like to receive a Tree School catalog in the mail, please contact the Extension Office at 503-655-8631 or contact Jean Bremer to be put on the mailing list.

For more information, http://extension.oregonstate.edu/clackamas/tree-school

2018 International Mass Timber Conference

Forestry Events - Thu, 03/22/2018 - 2:38pm
Tuesday, March 20, 2018 - Thursday, March 22, 2018 (all day event)
Get more information here, http://www.masstimberconference.com/2018-mtc-homepage-v5/

Visitor Center at OSU’s Hatfield Marine Science Center to fully reopen March 24

Breaking Waves - Mon, 03/19/2018 - 4:15pm

3-19-18

By Tiffany Woods and Mark Floyd

The popular public education wing of Oregon State University’s Hatfield Marine Science Center in Newport will fully reopen on March 24 after closing for repairs in early December.

A giant decal of an octopus greets the public as they enter the Visitor Center at Oregon State University’s Hatfield Marine Science Center in Newport. Oregon Sea Grant operates the Visitor Center. (Photo by Tiffany Woods)

The front part of the facility, known as the Visitor Center, reopened in February for festivities celebrating OSU’s 150th anniversary while work in the back half continued. Crews replaced the rusting, 21-year-old metal stands under many of the saltwater tanks, removed some exhibits, and created artificial rockwork modeled after real formations in Yachats.

Although the tank stands are now finished, additional renovations are ongoing and many of the tanks’ denizens are still in other locations at Hatfield. Oregon Sea Grant, which operates the Visitor Center, plans to create a “habitat” theme around the tanks so that as visitors walk through they will move from shore to shallows to deep sea. Exhibits will be created to display examples of research taking place in each of those environments, said the center’s manager, Maureen Collson.

Every year, Collson said, about 150,000 people pass through the doors of the Visitor Center, where they can touch aquatic critters in an indoor tidepool, crash simulated tsunami waves against Lego structures, or watch an aquarist feed the octopus.

A giant Pacific octopus is on display at the Visitor Center at Oregon State University’s Hatfield Marine Science Center in Newport. This octopus was on display in 2011 but others have since replaced it. (Photo by Pat Kight)

Oregon Sea Grant commissioned an analysis in 2017 by Bruce Sorte, an economist with the OSU Extension Service, to find out the economic impact of the center. He surveyed 131 visitors and found that 39 percent said that half or more of their reason for visiting Lincoln County was to go to the center. Based on that and other numbers, he estimated that the Visitor Center annually supports $7.6 million in income for Oregonians, $13.2 million in sales for businesses in Oregon, and 156 jobs throughout the state. About three-quarters of those impacts occur in Lincoln County, Sorte said.

These figures include the salaries paid to employees at the center and a multiplier effect of those dollars, the amount of money visitors spend on food and lodging, and the household expenditures of Oregon Sea Grant employees and people who supply goods and services linked to the center.

“Since 1965, the Visitor Center has been teaching children and adults about marine science through fun, hands-on exhibits,” said Shelby Walker, the director of Oregon Sea Grant. “Although you can’t put a price tag on the value of that experience, as Bruce’s analysis shows, we can estimate the important economic contribution of the Visitor Center to Lincoln County and the state.”

The total annual cost to operate the center is $460,000, funded by the federal government, OSU and donations from visitors. The facility is staffed by Oregon Sea Grant faculty, who are assisted by more than 60 volunteers.

The Visitor Center is open from 10 a.m. to 4 p.m. from Thursday-Monday through Memorial Day, then from 10 a.m. to 5 p.m. daily until Labor Day.

The post Visitor Center at OSU’s Hatfield Marine Science Center to fully reopen March 24 appeared first on Breaking Waves.

Categories: OSU Extension Blogs

Recap of the 2018 Oregon Forest Health Conference

Tree Topics - Mon, 03/05/2018 - 3:18pm

By Amy Grotta, OSU Forestry & Natural Resources Extension – Columbia, Washington, & Yamhill Counties

Last week I attended Forest Health: State of the State, a biannual conference put on by OSU College of Forestry. A packed agenda covered insects, diseases, fire, drought, invasive species, climate change, and other topics. I always look forward to this meeting as an opportunity to brush up on my knowledge of these issues. The speakers came from various backgrounds, representing the many forest ecosystems and ownership types we have across the state, and the audience was equally diverse. With that in mind, I’ve tried to distill the takeaways from the conference that seem most relevant to small woodland ownerships in northwest Oregon.

ODF conducts an annual insect and disease aerial survey. Click on the image to be taken to a short video from the air.

What is forest health, anyways?  Our own Extension Specialist Dave Shaw kicked things off by reminding us that forest health is subjective, and based on our experiences, instincts, and goals. It’s easy to agree on whether an individual tree is healthy, but forest health is less concrete.

Resilience:  A common theme across many speakers was that of resilience: that a healthy forest is one that is capable of recovering after a stressful episode, such as a drought, fire, or insect outbreak, and is still able to provide the benefits that the owner and society desire.  A.J. Kroll, a wildlife biologist from Weyerhaeuser, suggested that resilience includes maintaining the productive capacity of a site. Using coarse woody debris (CWD) to illustrate his point, he suggested that a resilient forest has the ability to produce large trees that will eventually become CWD. While he didn’t elaborate, I interpreted that to include maintaining soil quality and productivity. Austin Himes, another speaker with industry background, added that forests also must be resilient to market changes or societal pressures.

“There’s a universe of small things that rely on coarse woody debris” said A.J. Kroll. CWD retained after a clearcut will later provide shelter for long-toed salamanders, once the forest regrows. Left photo: Amy Grotta; Right photo: Kathy Munsel, Oregon Dept of Fish & Wildlife A bumble bee on a salal flower. Photo: Jim Rivers, flickr.com

Pollinators:  Maintaining populations of pollinating insects is a key to the resilience of our society: without pollinators, we wouldn’t have many of the foods that we eat every day. Jim Rivers from OSU summarized some of the new and ongoing research about the value of westside forests to native pollinators. Most of our native bees nest in the ground, and of course they need flowering plants. Therefore, the short window of approximately four years post-harvest can be very valuable for pollinators.  This is when flowering plants thrive in full sun, and there are more areas of exposed ground for nesting sites.

Beyond these big-picture concepts, there was plenty to hear about “bugs, crud, and critters” – the things that often come to mind as forest (or tree) health issues.

Insects:  Forests on the westside have far fewer insect problems than east of the Cascades. Christine Buhl from the Oregon Department of Forestry emphasized that the best management of insect pests is preventative, by maintaining vigorous trees. This includes managing the Douglas-fir beetle, our primary westside insect pest, which likes stressed trees. But, Michelle Agne, another PhD researcher pointed out that climate change may create conditions that increase Douglas-fir beetle damage in the future. That’s because with hotter, drier summers, trees will be living in more stressful conditions; and as extreme weather events such as storms become more frequent, major windthrow episodes which precipitate beetle outbreaks could become more common.

The intensity of Swiss needle cast in any given year is often weather dependent. Map: Swiss Needle Cast Cooperative

Diseases:  Swiss needle cast can be found everywhere in western Oregon, but currently it only impacts tree growth on the west side of the Coast Range and a few isolated spots in the Cascade foothills. That’s because for the fungus to thrive and spread it needs warm, moist conditions in the winter and spring like those along the foggy coast. These types of conditions are likely to be more common in the future, so Swiss needle cast severity is likely to intensify in the areas where it is currently a problem. Whether the impacted zone will expand eastward is less certain.

Invasive species:  Exotic species of plants, insects, and pathogens are introduced all the time through the commerce and transport of live plants, wood packing material (such as pallets and crates), and firewood. Some of these become invasive and create huge problems (see: sudden oak death). The Oregon Invasive Species Hotline is an easy way for anyone to submit a report of an unfamiliar plant or insect that you think might be an invasive species. An expert will review your report and respond appropriately.

Browsing animals:  There is an interesting and complicated study now in its sixth year, looking at the interaction between herbicide use in young plantations and deer and elk browse. Thomas Stokely, a PhD candidate at OSU explained the results. Some, including myself, have wondered whether reducing herbicide use after a clear-cut could help reduce deer and elk browse on seedlings, because there would be other forage for them to eat. However, in Thomas’s study, seedlings were browsed regardless of the level of herbicide application. And, where it was applied lightly, seedlings didn’t perform as well, due to the double whammy of being browsed and competition from other vegetation.

Are more trees dying in Oregon?  The perception around here may be “yes”, but the research says “no”. Forest mortality rates have remained relatively constant (around 2%) since the late 1990’s, says Andy Gray of the US Forest Service.

With that, I feel a little more educated about forest health for the time being, and I hope you do too. May your forests be healthy…and resilient.

The post Recap of the 2018 Oregon Forest Health Conference appeared first on TreeTopics.

Categories: OSU Extension Blogs

Food Science Camp 2013 and Erik Fooladi

Bringing Food Chemistry to Life - Fri, 07/19/2013 - 1:44pm

We participate in the Oregon State U Food Science Camp for middle school students.

Part of the STEM [science technology engineering math] Academies@OSU Camps.

We teach about bread fermentations, yeast converting sugars to CO2 and ethanol, lactobacillus converting sugar to lactic and acetic acids, how the gluten in wheat can form films to trap the gas and  allow the dough to rise. On the way we teach about flour composition, bread ingredients and their chemical functionalities, hydration, the relationships between enzymes and substrates [amylases on starch to produce maltose for the fermentation organisms]; gluten development, the gas laws and CO2′s declining solubility in the aqueous phase during baking which expands the gas bubbles and leads to the oven spring at the beginning of baking; and the effect of pH on Maillard browning using soft pretzels that they get to shape themselves..

All this is illustrated by hands on [in] activities: they experience the hydration and the increasing cohesiveness of the dough as they mix it with their own hands, they see their own hand mixed dough taken through to well-risen bread. They get to experience dough/gluten development in a different context with the pasta extruder, and more and more.

A great way to introduce kids to the relevance of science to their day to day lives: in our case chemistry physics biochemistry and biology in cereal food processing.

We were also fortunate to have Erik Fooladi from Volda University College in Norway to observe the fun: http://www.fooducation.org/

If you have not read his blog and you like what we do here: you should!

 

endless pasta

 

Categories: OSU Extension Blogs

Good Cheese, Bad Cheese

Bringing Food Chemistry to Life - Wed, 07/10/2013 - 1:25pm

pH, colloidal calcium phosphate, aging, proteolysis, emulsification or its loss and their interactions lead to optimum melting qualities for cheeses. A module in this year’s food systems chemistry class.

This module was informed by this beautiful article “The beauty of milk at high magnification“ by Miloslav Kalab, which is available on the Royal Microscopical Society website.

http://www.rms.org.uk/Resources/Royal%20Microscopical%20Society/infocus/Images/TheBeautyOfMilk.pdf

Of course accompanied by real sourdough wholegrain bread baked in out own research bakery.

Inspired by…

“The Science of a Grilled Cheese Sandwich.”

by: Jennifer Kimmel

in: The Kitchen as Laboratory: Reflections on the Science of Food and Cooking

Edited by Cesar Vega, Job Ubbink, and Erik van der Linden

 

Categories: OSU Extension Blogs

February 2011- Nutrition Education Volunteers taking “vacation”

Family Food Educators of Central Oregon - Tue, 02/01/2011 - 9:24am

I’m back from maternity leave and getting resettled into some new responsibilities.  We had a staff member leave us, so Glenda and I are having to pick up the work load until we find someone new, or our responsibilites change.  Being a new mom is lots of work too, so I’ve gone part time (24 hours aweek) but am still trying to get everything done… that being said, we’ve decided to put our nutrition education volunteering on hold, until I have a managable workload.

We look forward to being able to start things back up in the summer or fall of 2011.  Thanks so much and since a few of you have been asking, here’s a photo of our boy.  He is 5 months old today!

Bundled out in the cold!

Categories: OSU Extension Blogs