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

Category: Dispersal


Homeowners, Salt Lake County battle over beaver dams


I heard from Kelly yesterday that they had received help from a local non-profit to access the media and knew this was coming. My my my this is a splendid report, that emphasizes the whole ‘home as castle’ argument that appeals to the manly provider heartstrings. Never mind the California saving habitat nancy-boy argument. If you haven’t watched it you should, and if you want to help their efforts you can donate and/or sign the petition here:

“We’re always watching ducks and geese come in for takeoffs and landings on the creek,” McAdams said. “It’s a beautiful thing to see and experience.”

“Striking the balance is the real challenge here,” Graham said. “We’ve had discussions. There are options. Beaver dams are not an option because they’re naturally made, they’re not secure, but there are options to create the same type of effects (behind McAdams and his neighbor’s houses).”

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Two homeowners are in a fight with Salt Lake County to keep the beaver dams behind their properties that have contributed to a rich wetland environment full of ducks, geese, birds, muskrats and other wildlife. (KSL TV)

McAdams said prior to the Dec. 24 notice, the county had made separate offers to deliver $500 and then $5,000 worth of rock to install around the creek, but he believes the delivery and installation would cause more harm to his property along with the wetland.

“To destroy nature like that with total disregard, it just frustrates me to no end,” McAdams said.

He said he could face fines amounting to roughly $750 per month if he does not agree to have the dams removed.

“(Salt Lake County) Flood Control intends to drain a jurisdictional wetland and displace all this wildlife when there are easy alternatives that can be performed on dams and downstream debris mitigation,” McAdams said.

“If I didn’t feel strongly, I would have given up a long time ago,” McAdams said. “I feel very strongly about this.”

Ahh Kelly, we know JUST how you feel. Way to go! You and Erin are fighting the good fight. The one that matters. And while you do it you are teaching your entire community why beaver dams matter. You have all our support, and anything else you need we’ll try and send your way!


Meanwhile I never tire of stories about brave dispersers or an opportunity to re-post THIS picture.

Ontario highway closed as wandering beaver refuses to leave

CAMBRIDGE, Ont. – A wandering beaver shut down part of a highway in southern Ontario on Wednesday as police worked to get the animal back to its natural habitat.

Ontario Provincial Police Sgt. Kerry Schmidt says the beaver was spotted sitting on a storm drain against a concrete dividing barrier on Highway 7/8 in Cambridge, Ont.

Schmidt says officers blocked part of the highway and tried to shoo the animal across the road to the ditch. But he says the beaver was having nothing of it and refused to move from the left side of the highway.

He says police had an officer stay with the beaver to ensure it was OK and called in wildlife control. Schmidt says wildlife control was able to capture the beaver and bring him back home.

“No one got hurt, and everybody’s happy,” Schmidt said.

 And people wonder why everyone says Canadians are so nice. I’m not sure there’s anywhere else they’d close a highway for a beaver. (Although if I were emperor they ALL would). You know that beaver wasn’t impressed I’m sure. He didn’t want to go back on that side of the road. “That’s where I came from! If I go back home now they’ll all laugh at me!”mountie w kit


Baker City Oregon is in the upper right hand corner of the state on the Powder river, which flows into the Snake river. Like Martinez it was settled early when the Short line railroad made it a stop, and is the county seat. By 1900 it was THE stop between Salt Lake City and Portland. It’s Main street looks eerily similar to ours. It even had a large Catholic population and has Cathedral because of it. Let’s think of them as a ‘sister city’.

Baker has a smaller population now than Martinez, and hasn’t sprawled like we did. Probably because it’s bordered by the Wallowa mountains that don’t take kindly to freeways. As luck would have it, that means it isn’t too far from famed USFS District Hysuzannedrologist Dr. Suzanne Fouty. Who happened to get very interested because there were some urban beaver sightings reported in this historic town.

Suzanne contacted me this weekend because she wants to use my talk to help teachers get on board with a student project that would let the children “adopt” the beavers, learn about them and sand paint trees etc. We had a nice conversation about her wish to get folks as interested and excited about the beavers as they were in Martinez.  I can’t think of a more magical combination for success than an interested hydrologist, some enthusiastic teachers and an army of child guardians. Can you? Then I found this article and realized the whole thing was already a done deal – with a sympathetic press to boot.

By JAYSON JACOBY

Beavers in Baker City

Homeowners along Powder River are learning to protect their trees from the nocturnal animals. Larry Pearson sacrificed a healthy quaking aspen last summer to their insatiable incisors, but he bears no real grudge against beavers.

“Personally I like seeing them around,” said Pearson, who has livedfor 33 years in a home beside the Powder River in north Baker City. Well, not exactly “seeing.” Pearson has seen several beavers outside the city limits, but he’s not yet spotted one of the rotund rodents near his home on Grandview Drive.

That’s to be expected, given that beavers are largely nocturnal. “I can tell when they’ve been in my yard, though,” Pearson said. Even when the animals don’t leave blatant evidence – it’s pretty hard not to notice when a 14-inch-diameter aspen in your backyard has been gnawed down – Pearson said he can usually find the muddy patch in his grass where the beavers climbed from the river’s bank.

Fortunately, protecting trees from beavers is no great ordeal, Pearson said.

“You have to put wire fencing around virtually everything,” he said.

A homeowner whose tree was chopped down by an unexpected beaver and his first comment to the press is “wire wrap it!” Have I fallen asleep? Am I dreaming? IMAGINE if the Contra Costa Times or the Gazette had a section about how to protect trees from beavers. Whoa, I’m getting dizzy, I need to sit down.

That’s what the Oregon Department of Fish and Wildlife (ODFW) recommends as well, in its “Living With Wildlife” pamphlet, which is available online at www.dfw.state.or.us/wildlife/living_with/beaver.asp

Actually, landowners have a few options with beaver-proofing, said Brian Ratliff, a wildlife biologist at the ODFW office in Baker City. Wrapping tree trunks with metal flashing is effective, he said.You can also use welded wire fencing, hardware cloth, or multiple layers of chicken wire.

Regardless of the material, you should wrap the tree to a height of at least 4 feet, Ratliff said.

“When beavers stand on their tails they can reach pretty high,” he said. If you choose chicken wire or fencing, you should leave a 6- to 12-inch space between the cage and the tree trunk, because beavers might try to wedge their teeth through gaps in the wire to get at the tree (this isn’t a problem, obviously, with metal flashing).

You should also reinforce the cage with rebar stakes or other supports, as beavers, which average 40 pounds at adulthood, are capable of collapsing flimsy wire barriers. To protect a large area rather than individual trees, ODFW recommends building a fence, at least 4-feet high, made of welded wire fence or other sturdy material (chicken wire is too flimsy).

I like to think of myself as a generous woman who only wants the best for others. But sometimes, when I read an article like THIS published a full 10 months before Suzanne even got interested and involved, before the school children even circled the wagons, or the town pushed back, I get crazy JEALOUS.

Some people have all the luck!

Baker city, you have started the footrace with a 10-mile lead. Already your papers are sympathetic and your affected citizens are cool-headed. You have interested scientists inches away that will help you move forward. And you of course, have us in your corner. With all the help you could possibly ask for.

I believe, Baker City, if you can’t save these beavers, no one can.

Pearson said he didn’t notice any signs of beaver activity on his property until a few years ago.That coincides with ODFW’s experience, Ratliff said. “In the past two years or so we’ve started to get more reports about beavers, and to see more signs of their presence here in town,” he said.That’s not especially surprising, Ratliff said.

Beavers live along the Powder River both upstream and downstream from Baker City.

“Beavers are very good at migrating both overland and along waterways,” he said. “And the Powder River in Baker City is pretty good habitat for them, minus the fact that it’s through town.”The river’s relatively flat gradient and low velocity are ideal for beavers, Ratliff said. (One reason the animals build the dams for which they are renowned is to slow fast-moving streams; deep ponds protect beavers from predators, and give the animals underwater entrances to their dens in the stream bank.)

Ratliff said it’s not clear why beavers have only recently colonized the river through town in significant numbers. His theory is that the beaver population in the river outside the city limits has grown enough that young beavers are dispersing to less-crowded habitat.

In any case, Ratliff believes beavers can co-exist, in relative harmony, with people.

For one thing, beavers don’t as a rule stray far from the river; they’re not going to start gnawing at your home’s siding, for instance.When, as in Pearson’s case, beavers do munch on trees on private property, the solution – wrapping or fencing trees – is neither complicated nor especially costly.

“It’s really a neat opportunity to have urban wildlife,” Ratliff said.

Pearson agrees. He would, though, prefer that private property owners have more flexibility in dealing with beavers that cause damage. City ordinances prohibit residents from trapping or shooting beavers. State law prohibits residents from live-trapping beavers and moving them elsewhere.

Okay, now things are going to get REALLY unbelievable. Are you sitting down? I just want you to be ready for the shock, because it could trigger a heart attack or something. Take a deep breath, and think of it as a Disney movie. Sweet and a little too idyllic to believe. Ready?

Tom Fisk, the city’s street supervisor, said workers have had to move several beaver-chewed trees that fell across the Adler Parkway over the past few years.Crews used to haul the trees away, but recently they’ve just sawed the tree into chunks and spread the pieces along the river’s bank.

“We figured if we took away the tree the beavers would just take down another one,” Fisk said.

“It hasn’t been such a big problem that we’re looking at other options,” he said.Protecting trees with fencing, for instance, would hardly be practical, considering the river runs for more than two miles through town.

“There’s a lot of trees,” Fisk said.

surprised-child-skippy-jon

What kind of groovy, laid back, reasonable town administrator says ‘well, there’s a lot of trees?’ Here in Martinez we held their feet to the fire for 10 years, were on fricking national news and on TV in the UK and our city manager is STILL ripping out the willow stakes we plant because he doesn’t want to encourage them.

Dear Suzanne, something tells me you’re going to do just FINE on this project. Baker’s going to celebrate beavers, children are going to learn and classrooms are going to thrive. Your creek will be filled with otters, frogs and heron. And heyy, maybe a Baker Beaver Festival is in your future soon?

making an armybeaver army


The Ecologist has a glorious account of the Scottish ‘come to beavers’ moment. But it has taken them literally no time to start planning for their expansion. Their argument is that the Great Glen is a barrier between the upper highlands that beavers cannot pass without some help. Funds are already being moved to help that happen.

Scotland’s wild beavers win legal protection

The Scottish government has announced that its wild beaver populations will be given the full protection of both UK and EU law. The decision has been welcomed by campaigners who point out all the benefits of beavers to biodiversity, water management and flood control. Now, they say, England and Wales should follow suit.

Now let’s introduce them north of the Great Glen!

Welcoming the Scottish government’s decision to allow reintroduced beavers to remain in the country announced today, Trees for Life said that it plans to move ahead with investigating the possibilities for bringing beavers to areas north of the Great Glen, working with local communities to identify where they might live without perceived adverse impacts.

Steve Micklewright, Trees for Life’s Chief Executive said: “Today’s decision means that beavers can naturally spread through Scotland in the future. There is a lot of space in the Highlands where they could thrive, improving the region for other wildlife and providing a tourist attraction that will benefit the local economy.”

However, the main obstacle to the natural spread of beavers to the Highlands is geography, he added: “The Great Glen presents a natural barrier to beavers colonising the area on their own from the existing populations in Argyll and Tayside, so the only way to be sure they will return to the northwest Highlands would be to give them a helping hand.

“While it is certain that beavers could live in the Highlands, the next step is to ensure they would be a welcome addition to the landscape. That is why we plan to work out where they would be welcome. Then we plan to enter in to dialogue with the government to explore how we can help them to return to those areas.”

The Great Glen refers to a seismic fault separating the upper bits of Scotland from the lower, its mountainous ranges mean that no watershed passes through it or connects it to other rivers and streams. The Geologic Society describes it thus:

The Great Glen is a huge valley, eroded by glaciers more than 10,000 years ago. These glaciers carved the valley below present-day sea level, forming a series of deep lakes. Loch Ness is the largest and most famous of the lakes.

Looking at the maps I can see how a beaver could follow the Tay river all the way up along the A9 to the Cairgorn mountains but really see how they get from there over the Glen.

Except for the fact that we know something about beavers that they don’t.

You might want to go read up on beavers colonizing the Aleutian islands in Alaska and fjords in Norway by using saltwater. Just a suggestion.


Meanwhile the folks in Olympic Village are worried where there beaver kits will grow up. And have apparently forgotten about yearlings entirely.

Baby beavers in Olympic Village may struggle to find a home in Vancouver

The struggle to find housing is a classic Vancouver dilemma and it seems even beavers in this city aren’t exempt. 

A growing family of beavers living in a park by Vancouver’s Olympic Village may soon find themselves struggling to find a new habitat because nearby urban areas suitable for rodents are at capacity.

Based on public videos and photos, Vancouver Park Board biologist Nick Page believes up to three baby beavers are now are living with their parents in Hinge Park.

“The challenge is as the beaver population expands, that habitat isn’t large enough to support even a pair of beavers,” said Page.

Hinge Park, a man-made wetland, is considerably smaller than the usual habitats beavers tend to occupy — which means far less food. The baby beavers will likely live with their parents for at least another year before a new litter comes when he expects the trio will be forced to move out of its current lodgings.

Hmmmm that’s a head-scratcher for sure. Where the heck will those three beavers go to find their home? Obviously they won’t be allowed to stay in Hinge park. How can they POSSIBLY escape with all that concrete? I have a guess. Do you?

CaptureApparently Canada has forgot A LOT of what they learned about beavers – including that yearlings stay with the family another year or two to take care of the new kits. And they forgot that beavers don’t need to live in small waterways and can be perfectly happy in larger bodies just like they are on the Carquinez strait which gets salt water from the ocean and fresh water from the valleys. There are a lot of bays and inlets in that Salish sea that will probably work and remember beavers can thrive in water as salty as 10 parts per 1000.  IF all three kits live that long, which isn’t a sure thing in this world they’ll find a home.

Yesterday we worked on the prize wheel that was generously donated by Jeanette, shown with her niece working at prior festivals here. She was planning on being there to borrow one of the large ones from her corporation, but when that didn’t work out she bought one for us instead. This will be at the membership booth and donations of 20 dollars or more will earn a spin and win one of these fine treats! Hopefully the lovely clicking noise it makes when it spins will lure traffic to the booth and compel hard working folks to invest in some amazing beaver opportunities!

IMG_1370

 


Prince Island in Calgary AB Canada sits smack in the middle of the Bow river which starts in the Rockies and ultimately empties in the Hudson Bay. It is a treasured slice of nature in the middle of the city and the site of many festivals and events. It also a roadstop along the highway for many a dispersing beaver when winter thaws enough to let them be on their way. In 2013 the area suffered such dramatic flooding that no one was worrying about beavers. Now, they have found the time.

Beavers causing Calgary tree troubles

“We’re trying to determine how many are out there,” said Tanya Hope, parks ecologist with the City of Calgary. What has definitely changed as a result of the 2013 flood is how Calgary’s rivers flow and where the beavers are congregating as a result of fast and slow sections of the Bow and Elbow.

This year, wildlife experts say the water-loving animals are far more concentrated than before, and appear to be hoarding themselves in different areas of the city than before the flood, which basically wiped the river map clean. “The lodges are much closer and they seem to be clumping together,” said Hope.

“On Prince’s Island, for example, where we used to have just one beaver lodge we now have three.” That means up to 18 beavers — including adults, older offspring and kits — can potentially be found gnawing down trees in the area.

That’s a lot of teeth — and because many of the areas impacted have no prior history of beavers, there’s no wire in place to protect the trees from this post-flood population, which if its anything like the beaver community prior to 2013, could number in the 200 range.

The result is extensive devastation, with reports being filed with Calgary 311 of up to 20 and 30 trees being felled in a given area.

So they think all that flooding flooded the beaver population too, because now new lodges are cropping up everywhere and more trees are getting eaten. I mean supposedly more. I haven’t seen an actual graph of how many trees usually get felled in the spring. (I mean these are government employees, they could do that.) But the article begs the question, does flooding make beavers breed more, or tolerate neighbors more?

Dr. Science says ‘no’.

Then how do you explain the new lodges? Appearing in clusters around the river. Apparently there used to be just one on the island and now there are three!

Dr. Science crosses his legs and gets ready for a long answer.  “New lodges don’t mean new beavers.” He explains. “Just because a new lodge appears doesn’t mean a new family has moved in. Just like a new home on the block doesn’t mean the neighborhood has increased. Families move from one home to another just like humans do. Especially after huge flooding events that can fill a lodge with mud or parasites. Also, teenagers  sometimes build ‘frat houses’ where they can live on their own but still close enough to mom and dad to get rescued when they need it.”

In the bad old days, the city might have tried to protect the trees by eradicating the buck-toothed pests, but in this enlightened age, Calgary does what it can to live with the animals, destructive trapping being a last resort for forests in danger of being ruined forever.

Beavers are now understood to be a healthy part of an ecosystem, and their activities can help humans too — such as the dam at Prince’s lsland, that helped protect a storm water pond from being swept away during the big flood.

Instead of a beaver cull, trees are wrapped with wire, pipes are built under known dams so the city doesn’t have to knock them down, and Calgary is currently testing a new beaver-deterrent spray that can be applied to a lot of trees in a very short time.

And on Tuesday, the city released a video for private property owners along the rivers, showing them how to wrap their trees to prevent loss to the roving rodents, which include so-called “transient beavers” which are just passing through the city via the rivers.

To keep the beavers from starving, the city only protects 80% of trees in a healthy forest, leaving easily replaced and regrown timber for food and rodent construction projects. Those landscape-altering endeavours are what made Hope go from just studying Calgary’s beaver population, to really admiring the animals for their cleverness and ingenuity.

“I think beavers are amazing, and they are the only species apart from humans that can completely change the landscape around them,” she said.

“We definitely want to work to keep them here in Calgary.”

smileagainDr. Science is happy about that.

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