Because the beaver isn't just an animal; it's an ecosystem!

Tag: Elizabeth Saunders


Yesterday was a strangely successful day that turned out well for beavers. After writing about the Mystic lake madness I wrote the acting director of the Custer Gallatan Forest Service and some city folks protesting the decision to sit on this problem for three months and then expose the beavers to slow death. I was written back fairly promptly by that acting director saying the army corps of engineers had told them there was a risk of a 500-year flood event for the town below if the dam washed out. He assured me they knew about flow devices and would talk about this for the future, but had to do this now. The beavers would be trapped, not left to starve, which was something.

I was grimly comforted by this news, and mollified that he wrote back at all which I did not expect. He also said that he was back at his regular job now in Vermont and another ranger was in charge – whom he cc’d on the message so we could be in touch. I still thought the beavers were done for, but I was glad that my letter had been responded to.

45 minutes later I received this:

Update on Mystic Lake project.  Engineers are currently working on a mitigation device to keep water to tolerable level after lowering and keeping the beavers in the system.  Long term solutions will be discussed at a later date.  Thanks.

Chad Benson
Deputy Forest                                                                                                                                                                                  Custer Gallatin National Forest

surprised-child-skippy-jon

There must have been a lot of other public outcry besides mine. Maybe we’ll  never know. I will say I am capable of writing a fairly decent letter, but am downright talented at finding the right email address to target even when folks work hard to hide it. Still, I can count on one hand the number of times something like this happens. Maybe it has something to do with Amy’s recent presentation on the topic and my reminding the ranger of her skills and the fact that she was trained by the man who solved our beaver problem a decade ago? Maybe someone chained themselves to a bulldozer or threatened to stop dating the mayor’s niece. Who knows how these things work?

I’m just happy it did!

disperser
Dispersal: Elizabeth Saunders

To celebrate I started thinking about a festival design that would promote our new location and vaguely remembered a charming illustration by Elizabeth Saunders the artist who works with Cows and Fish. It was about beaver dispersal, but I thought it could easily be re-purposed to inspire Amelia on our brochure this year. Even as a starting place, I’m liking this a lot.

moving

Today is full of blessings in every way! Louise Ramsay posted this on FB a very nice beaver program from radio 4. There are some irritating parts but stay patient because it gets very good. I especially find it kind of wonderful to hear how happily the reporter describes their return. Enjoy!

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This document is so packed with information it will take a while to upload but I thought it deserved to be browse-able. To  download your own go to their website. You won’t regret it!

Beaver-Our-Watershed-Partner-for-WEB

Incredible new achievement from our friends at Cows and Fish in Alberta. They are smart persuaders of beaver benefits for some pretty tough customers. And this really well-designed document covers all the issues and then some. Honestly, these are some of the finest beaver illustrations I’ve seen (besides Amelia’s of course!) I had to show you this one especially. Doesn’t that just say it all?

water graphicThe whole document deserves a solid read and reread on a rainy day by a window. Click here for the link to it on their website, and please pass it on!Capture

And just in case that news isn’t exciting enough, try this new research from the forest service, to be published next month in the Journal of Fresh Water Biology.

Beaver activity increases aquatic subsidies to terrestrial consumersCaptureSummary

Beaver (Castor canadensis) alter freshwater ecosystems and increase aquatic production, but it is unknown how these changes influence the magnitude and lateral dispersal of aquatic nutrients into terrestrial ecosystems.

We examined differences in abundances of dominant aquatic invertebrates, wolf spiders (Lycosidae), and deer mice (Peromyscus maniculatus), at beaver and non-beaver sites. We used stable isotopes to track aquatic-derived carbon in terrestrial consumers and linear mixed-effects models to examine the importance of beaver presence and distance from stream channel on the percentage of aquatic-derived carbon in terrestrial consumers.

Sites with beaver activity had >200% higher aquatic invertebrate emergence rates as well as 60% and 75% higher abundances of spiders and deer mice, respectively, relative to non-beaver sites.

More beavers mean more bugs. Haven’t I always told you that? The USFS has been kind enough to count how many. And then look at all the happy spiders and deer mice who get to eat them. Hurray! I can’t wait until the entire article is available but this is a great place to start. Thanks!

Yesterday we worked on the project for this year’s Earth day and made stencil’s for these. Jon was kind enough to model, but just imagine 100 kids walking around with these on the day. We just found out that two of our hearty regulars won’t be able to help out that day! Maybe you are free on April 23rd and want to honor the spirit of John Muir by helping beavers? If you might, email me and I’ll make it sound even better! It’s a beautiful day, lots of ecologically minded folks, and beaver-admiring children. Persuaded yet?

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