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

Month: July 2016


Arriving at the beaver festival with all the parts in tact is no easy feat. It takes just about every skill I possess and the full help of every single person I can persuade to assist. August 6 becomes an end in itself. And there is no thought for August 7 beyond returning everything and taking back the truck. Certainly there is no thought for August 8.

But I’m inviting us all to see beyond that curtain and think of what comes next. A very special and unique event that’s part of this 10-day celebration of urban wildlife offered in conjunction with the Forestry Service and local businesses. Of course my favorite day will be this event on September 16th at the Empress Theater in Vallejo. As far as I can tell you don’t need to reserve a space and the event is free. The theater sits 400 or something so just SHOW UP and show your support for beavers.beaver mania

 

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That’s right, a screening of our favorite Jari Osboure documentary,  a talk by Kate Lundquist of the OAEC and a presention by  myself of the Martinez Beavers.  Is there anything more exciting than THAT? So in August the beavers get a party and in September they get an onstage premiere. And in October there is a very good chance we’ll see kits.

Hold onto your hats ladies and gentlemen because this year the festival is just the beginning!


Last night, new members or the PRMCC were sworn in. I was worried to see our old supporters go until I noticed that they included Adrienne Ursino who was one of the beavers very first supporters and the aide to former congressman Miller. She explained to the other commissioners that I had come to Madison’s preschool and kindergarten to teach beavers to the children and she admired how I was always helping people learn about beavers.  I quickly reviewed the mural process and described how it was based on our own photos, fit organically with the creek and reflected the real mountainsides behind it. The commission chair even said he had seen one of the beavers down at the new dam! Then I made sure to add that we should all be so lucky as to swim under our own memorial and keep right on taking trees at Ward Street.

(Given how MUCH controversy the beaver caused initially it was truly special to see how happy this made them.)

Afterward the commissioner discussed how lovely the mural was, and how quickly and professionally the process had gone They were impressed with its swift completion and found thanked Worth A Dam and Mario for making it happen. I thanked them for their kind words and couldn’t help thinking, ‘swift?’ that was ‘swift???’ because it seemed to me that it took ages and required repeated onerous effort to honor the contract, get the insurance, meet the city requirements blah blah blah. But okay, I can believe it happened ‘swifter’ than other murals in town.

Afterwards we drove to Ward Street to tell the beavers the good news. And there met some youngsters from Lafayette who will be selling temporary wildlife tattoos at the festival this year. They were eager for beaver photos to help them with their designs.  The beavers liked them very much and were obviously pleased with our news because they decided to cooperate. As did 3 adorable raccoon kits in the blackberry bushes.



Oh the farmer and the beaver should be friends,
Oh the farmer and the beaver should be friends,
The beaver likes to build his dams
The farmer plants his corn and yams
But that’s no reason why they can’t be friends.

You know I already did a complete rendition of this song for the salmon in 2011, but I guess the beavers have lots of friends, (and don’t it’s not my fault if dam just naturally rhymes with yam, okay?)

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Pond and Slower Streams created by Beaver Serve as Nitrogen Sinks

Beavers, once valued for their fur, may soon have more appreciation in the Northeastern United States. There they are helping prevent harmful levels of nitrogen from reaching the area’s vulnerable estuaries. By creating ponds that slow down the movement of water, they aid in removing nitrogen from the water.

Arthur Gold at the University of Rhode Island, along with his colleagues, studies how the presence of beavers affects nitrogen levels in these waters. “What motivated us initially to study this process was that we were aware of the fact that beaver ponds were increasing across the Northeast,” he said. “We observed in our other studies on nitrogen movement that when a beaver pond was upstream, it would confound our results.

Those darn confounding beavers, ruining Suzanne Fouty’s drought research and Glynnis Hood’s nine year study with their crafty, research ruining ways. Just look at our beavers in Martinez! Confounding their memorial by continuing to exist!

The researchers realized the water retention time and organic matter build up within beavers’ ponds lead to the creation of ideal conditions for nitrogen removal. They then wanted to see how effectively they can do this. The researchers tested the transformative power of the soil by taking sample cores and adding nitrogen to them. These samples, about the size of a large soda bottle, were large enough to incorporate the factors that generate chemical and biological processes that take place in the much larger pond. They were also small enough to be replicated, manageable and measured for numerous changes. Researchers then added a special type of nitrogen to the samples that allowed them to be able to tell if the nitrogen was transformed and how.

Bacteria in the organic matter and soil were able to transform nitrogen, specifically as nitrate, into nitrogen gas, removing it from the system. Thanks to the conditions brought about by the beaver ponds, this process can remove approximately 5-45% of the nitrogen in the water, depending on the pond and amount of nitrogen present.

“I think what was impressive to us was that the rates were so high,” Gold explained. “They were high enough and beavers are becoming common enough, so that when we started to scale up we realized that the ponds can make a notable difference in the amount of nitrate that flows from our streams to our estuaries.

Ahh those rascally beavers, fixing our nitrogen problems and saving our salmon. I’m sure farmers will be rushing to lay down their dynamite and welcome these flat-tailed eco-heroes, right? I won’t hold my breath. It takes a lot of effort on all sides to change hearts and minds about beavers – which we learned first hand in Martinez.

Speaking of which, the drama was apparently a big enough deal (even in Washington) that I’m allowed officially to say it will be recognized by our Congressman at the beaver festival with an award and visit, and some discussing of the slim possibility of adding the Martinez Beavers to the congressional record.

No really.

congress


beaver mysteryYou would think, wouldn’t you, that after 10 frickin years of watching a single beaver family you would actually have a clue about what to expect. I mean after ten years of marriage there really aren’t many surprises, ten years as a parent you’re pretty much ready for anything, and after ten years at the office there really isn’t anything new under the sun.

But beavers, apparently, are an eternal mystery

We saw both Wayward Street beavers on Friday as you know and Jon saw them in the evening over the weekend a couple times. This morning we went down to see them again and say only one small cautious beaver. Where was mom? Was she hiding out? Then Moses drove up and said he had been filming mom working on the dam at the OTHER place down stream. (!!!) He showed me the footage, and thought she looked very pregnant, which I think she might be but can’t imagine it is late enough for her to show, since he just filmed them mating 5 weeks ago and she should be due until September.

Why didn’t dad go with her back to their old haunts? It was a very high tide last night, and will be again tomorrow. Will he move down to be with her eventually? Are they sick of each other? Are they taking a break? Has he met someone else? Or could this possibly be a whole NEW beaver?

We don’t know. We have no way of knowing, and the beavers obviously aren’t talking. Stay Tuned.


Sometimes even the back of the class earns a gold star. The Ernst trail  in Meadville PA lies in the upper left hand corner of the state near Ohio. Neither state has been particularly progressive on beaver management issues in the past, so I was thrilled to see this. Remember the trapper who said he was only going to take the ‘soldier beavers’?

ON THE ERNST TRAIL: Importance of beaver pond outweighs potential flooding

In the spring of 2015 the water, in the wetland, just south of Bean’s, on the west side of the Ernst Trail, began to rise precipitously up toward the trail. The water was also rising on the east side of the trail. We were concerned that the water might flow over the trail and perhaps damage the trail surface.

A short investigation revealed that beavers had dammed up the two culverts that drain from the west side of the trail to the east side and that there were many small dams on the east side as well. The board of directors decided to act.

In the course of trying to figure out what to do I visited the trail one June day last year at lunch with Pennsylvania Game Commission Wildlife Conservation Officer Mark Allegro. He was busy with nuisance bear complaints and only had time at lunch to consider our beaver problem. Mark pointed out that there weren’t any good options; our best hope was to wait for trapping season and get a trapper to trap the beavers

Since it was a nice noon-time, many people were on the trail, several of them recognized Mark, who was in uniform, and commented on wildlife they had seen along the trail. One person pointed out a huge snapping turtle on a log in the beaver pond, about 30 feet from the trail. Another showed me a couple of snakes alongside the trail that I had walked right by. Others noted birds they had seen, signs of beaver activity and so on. Our beaver pond was generating quite a bit of interest for trail users.

To better understand what a beaver pond had to offer, I talked to Scott Wissinger, an ecology professor at Allegheny College. Here’s what he said: “Because beaver ponds create so many different types of sub habitats of different shallow depths, flow regimes, plant communities and invertebrate communities, they are considered hot beds of biological diversity. Even if people don’t really care about invertebrate and plant diversity, they might care because the invertebrates and plants (especially their seeds) are magnets for charismatic animals that people do care about — fish, waterfowl, songbirds, amphibians and reptiles.”

With all this life attracted to the beaver pond, our board of directors decided to let the beavers alone. We’ll take our chances on the flooding.

Yes, if you need advice on trapping, go to the Game Warden, but if you need advice on BEAVERS go to college. I’m so hopeful about this article and will be working hard to get in touch with the author so he can see how to prevent flooding AND keep beavers. I can’t tell you how impressed I am that the people on the trail got you thinking about the enormous impact a beaver pond has on wildlife. And so glad that you listened, and kept asking questions because that isn’t easy to do when a man in a uniform tells you to give up.

Shout out to Janet Thew who posted on FB about the beaver totem skins offered by Decalgal. Of course I wrote her WRITE AWAY and she said she’d be delighted to donate to the silent auction. How much do you love this?

https://www.decalgirl.com/skins/308687/macbook-air-13in-skin-beaver-totem

Final gift from Moses Silva filmed at the noisy crane work station by the beaver home. I guess not everyone is intimidated by progress.


 

 

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