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

Month: December 2016


Reader Pat Russel shared a well-crafted letter he sent to the news station about yesterday’s Reno report. I have his permission to share it with you, so enjoy.

This was not a very well written story.  Someone should check the FEMA  floodplain maps and check into whether the lady was advised prior to her land purchase whether the home is in the floodplain, let alone her extra insurance costs.  Would also be worth investigating the planning and Zoning along the Steamboat Creek corridor from the slopes of Slide Mountain past the Reno airport where housing and industrial development has sprung up.  

I grew up in Washoe Valley during the 50/60s and was/am very aware of the lack of planning by the Washoe County Board of Commissioners.  There has been a serious disregard for environmental constraints.  Many properties in Steamboat Valley rely on wells for their domestic needs.

Beaver contribute toward riparian enhancement, groundwater recharge and reduction of flashy runoff, but to be most effective, the ENTIRE riparian corridor should be allowed to flourish within the floodplain, and certainly not revetted or streambanks armoured to control erosion.

Of course, we all know the “ravages of nature” in the Sierras…conflagration fire events, high winds, mud slides, extreme precipitation and temperature, droughts and wet years (like fluctuations of Washoe Lake from dry to overflowing).

I encourage the TV station to check out the great work of beavers in Elko County where dry, delude, degraded and eroded ravines have been restored to much better riparian condition through allowance of multiple beaver dams, and ranchers have been working with BLM ecologists to control cattle grazing in these sensitive Northern Nevada stream corridors. Beavers are being recognized around the world  (and especially in our dry West) for significantly contributing toward restoration of once biologically diverse riparian corridors and flourishing wildlife,  thanks to beavers:  Eco engineers and a keystone habitat species!  How about putting a price on beaver Protection?  

Depredation permitting is the real problem, because without beaver, no one public agency can afford to fund restoration work accomplished for free by beavers over a span of decades.

 The county should be reexamining it’s floodplain policies and restricting any kind of “improvements” within the 500 year floodplain, including roads, utilities,  parking lots,  manicured park grounds, playground, paved trails, etc.  Truckee River flooding the past 150 years should be enough evidence of poor choices (how the city reacts and tries to control the river’s character) and unusual costs to citizens, especially allowing property owners to alter natural conditions over the last 150 years.  Over the next one hundred years, the public should attempt to recover those impacted lands and just let them be more natural.  Yes, a river runs thru it (Reno).

One last note: We are fortunate that groups of citizens around the world are advocating for the beaver and it’s many good works.  One excellent example is in the Bay Area out of Martinez, next door to the home of John Muir.  Check this website:  martinezbeavers.org/wordpress   Many thanks for the efforts of Heidi Perryman and her friends.

You will also find some great volunteers at the Crystal Bay side of the lake (Tahoe),  along with volunteers near Camp Richardson at the south shore.

By the way, beavers have ALWAYS been native to the Sierras….proven fact.  Some of the wildlife managers are uninformed.

Patrick P. Russell

Clearly Pat is a former Nevada resident who remembered a few things about the old stomping grounds. He lives in Oregon now. Thanks Pat for this wonderful letter and for letting us share it here. I really think we should make it our new year’s resolution to write a few of these on beaver issues every so often. It might not change policy but it’s really good for people to read them and start thinking that there are other ways.

Here’s an almost clever author (John DeGroot) who is just starting to do so.

Toothy rodent can be a curse to the landowner

The animal that adorns the face of our nickel is both a friend and foe of Ontarians. Back in grade school, we learned all about the admirable beaver. We learned that beavers spent most of their time in the water, protected from predators. Beavers have heavy tails that act as giant fly swatters, but mostly serve as anchors when standing on their hind legs. And we learned that beavers built dams, not so they could live in the dam, but to create deep ponds so they could survive in water under thick ice.

In the wild beavers carry on their happy lives without much harm or blessing to the environment. They busy themselves chopping down small trees for a source of food, and chop down large trees to build dams to add depth to ponds.

But ask any farmer how they like beavers and you might get a harrowing story. Because beavers cause water to rise in ditches, streams and ponds, drainage tiles can be rendered useless. Fields can be flooded and even roadways can be washed out. Beavers will eat small limbs and landscape trees, favouring aspen, poplars, birch and maples. Beavers will also eat crops such as corn and beans, along with small shrubs, aquatic plants and fruit trees.

Beavers are stubborn creatures that won’t give up easily. Destroying their dam is futile because they rebuild quickly, sometimes overnight. Trapping and relocating beavers is also futile because they will invariably return to their chomping grounds or set up camp further upstream.

A clever farmer once told me he tricked the beavers by installing an overflow drain pipe that drained water elsewhere as soon as water rose to a certain height. The beavers eventually gave up and built a dam beyond his property.

Homeowners looking to protect their trees from beaver damage should wrap the bottom portion of their trees with steel mesh or hardware cloth. To protect a group of trees, install a mesh fence around the group, making sure the bottom of the fence is buried in soil and pegged often to prevent the beaver from crawling underneath.  

Beavers in the wild do little harm or blessing to the environment? I mean besides saving water, augmenting salmonids, increasing wetlands, enriching moose diet, restoring bird diversity, improving frog habitat, and filtering toxins. Little blessing other than that.

Sheesh.

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Click to watch News Story

Beavers cause Flooding concerns in Reno: Residents can’t get help.

Leave it to beavers. The critters are causing some Reno residents to worry about flooding. And there’s little that can be done about it.

Lindie Mitchell bought her house along Steamboat Creek, on the south side of Reno four-and-a-half years ago. The water that is just a few yards from her house helped convince her to buy the house.

It was a small tiny little creek,” she said.

But now the stream is much wider and pools in places, including right next to Mitchell’s house. She said several beavers built dams and changed the water flow. Debris is now backing up behind the dams.

“It’s very fast and rapid. It flows over the beaver dam and it’s frightening. It’s rising and rising and rising every time, a little bit more,” Mitchell said.

When there’s a strong runoff, water flattens vegetation on the banks. Mitchell is scared one time the water will flood her property or her house that sits without a foundation. Mitchell said she’s tried to get rid of the dams herself.

“We try to pull it out and they just build it up within 24 hours,” she said.

Gosh darn it was just a tiny creek with birds in Reno. Why did those beavers have to come and make it wider? Now it probably won’t even dry up in the summer. Stupid beavers. Saving water with no thought for unreasonable homeowner panic. Given her worries we’re surprised by nothing in this article but THIS:

Jessica Heitt, the Nevada Department of Wildlife Urban Wildlife Coordinator, said the only option to remove beavers is to hire a professional to trap them. It’s open season from Oct. 1 through April 30.

“If it’s outside of the season they have to apply for a depredation permit,” Heitt said.

“We would usually go out and investigate the area and go and make sure there’s a significant amount of damage before we ever issue a permit.”

Can that possibly be true? Did Jessica make a mistake? Does Napa REALLY send a NDOW worker out to see whether a depredation permit is warranted? How oh how did that policy get started and when can California adopt it please? I’m pretty sure all you have to do to get a depredation permit in California is check a box or pick up the phone. Could nevada really go out for every request?

Well, there are probably less requests with fewer beavers/people and more trapping in the state. Maybe they only get asked to depredate a few beavers a year. Imagine if California Fish and Wildlife went out for all 800 requests to depredate beavers it receives every year. They’d never have time to issue fishing permits and shoot coyotes!

Let’s have a little good news closer to home, shall we?

Seldom seen visitors return to Napa River waterways

The bounty of rain we have received this fall and early winter has opened the door to some wonderful displays of wildlife in the Napa River and Upvalley tributaries.

During my visits to favorite haunts along the river between Yountville and St. Helena as well as Sulphur and York Creeks and even Garnett Creek in Calistoga, I have had the good fortune to witness the return of both the North American beaver and Chinook salmon.

Before the heavier flows began in the main stem of the Napa River, beavers had built a dam a ways north of the Pope Street bridge to provide some deeper water to protect themselves from predators and to cache food. They had yet to construct one of their lodges before the early rains began to dismantle their dam, so there is no longer any visual evidence of their presence other than some cropped vegetation along the bank with chisel-like teeth marks.

Generally, biologists and ecologists consider beaver building activity a positive sign of a waterway’s health, as their dams remove sediments and pollutants as well as enhance habitat for fish and other aquatic resources. Some uninformed folks believe that beaver dams will cause flooding and want to prevent colonization, but in rivers like the Napa that flows through St. Helena, winter flows quickly breach the dams (compare the Oct. 23 and Nov. 21 photos). If we are lucky, they will grace us with a resumption of their amazing industry and engineering skills in spring when conditions favor their return.

No less surprising than finding beavers in my figurative back yard was this year’s surge of Chinook salmon into Sulphur Creek and other tributary streams.

It’s no coincidence that you’re seeing beavers and chinook in your waterways all of a sudden. In fact if the documented and heavily researched importance of beavers to salmon didn’t exist, I doubt you’d be seeing either one. It’s because of the role beavers play for salmonids that anyone tolerates them in your county at all. Beaver dams increase invertebrates and leave safe places for juvenile salmonids to grow up. More beaver means more salmon. It’s that simple.

I am delighted that you are enjoying both their returns. Thanks for this article, Richard Seiferheld.

 

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It was such a big story yesterday they sent their news cameras to the scene of the crime. Mostly cries if vandalism, but you gotta’ love that resident who suggest “PROTECTING THE IMPORTANT TREES”. For some reason late December-early January has always been a tree chewing time. I remember our beavers gnawing several trees every new year’s without taking anything down. It seemed so wasteful and I thought their ‘forest’ looked a like most people’s living rooms the day after new years – Empty bottles piled up like dead soldiers.

Apparently it happens all over at this time of year. I guess they just get restless and need something toothy to gnaw. Or they need to sharpen their teeth before mating.  Here’s a similar report from Brampton, Ontario.

Beavers become gnawing problem for Brampton residents

Call it an epic struggle between man and beast. The man is Giuseppe (Joe) Vommaro on behalf of his Mountainberry Road neighbours.

The beast?

A colony of beavers that has gnawed down trees, built dams and, according to residents, exposed homeowners living along Stephen Llewellyn Trail in Springdale to the risk of flooding.

“We have a big, big problem here,” said Vommaro, one of several residents at odds with the City of Brampton on what to do with these unwanted neighbours.

Residents want the dam destroyed and the beavers evicted. But the wildlife and dam are protected. Rather than euthanize or toss the beavers out, the city’s animal services department has taken several measures to encourage the beavers to move out on their own like wrapping trees with mesh wire.

“That’s not good enough,” said Vommaro, complaining city officials have been slow to react to residents’ concerns. He argued the city has left homeowners to deal with the wildlife problem it helped create.

Beavers moved into the neighbourhood in 2011 after the city moved to “re-naturalize” the stormwater channel that runs between Mountainberry Road and Sandalwood Parkway, just west of Airport Road.

It was soon after city crews planted trees and made other changes that neighbours say beavers moved in and made quick work of the landscape.

Dammed off by wood and brush, the once flowing channel has transformed into a wetland and presented homeowners with some unique challenges.

Oh no! They made a wetland? You mean to say those beavers have created one of the most important environment’s on earth in just a few short months? No wonder you’re outraged. Let me just say one thing to Mr. Vommaro. Wrapping trees isn’t supposed to make the beavers “leave”, or the trees leave, or you leave even It’s just supposed to make them less accessible. Did any of your wrapped trees get chewed? Just asking.

Mr, Vommaro and his neighbors are now complaining the flooded vegetation stinks like excrement and no one wants to barbecue anymore. Plus all that water will bring more mosquitoes! Something must be done right away.

Animal services crews are scheduled to return in the spring to get a better handle on whether these measures are enough to encourage the beavers to move on.

Vommaro said without a lasting solution to the problem —reverting the trail to its pre-2011 state — beavers will continue to be a gnawing problem for residents of this Springdale neighbourhood.

Ahhh a true ecologist! Return the area to its prenaturalized state by adding more concrete and maybe the beavers will stay out. Or you know you could just install a flow device and drain some of that water away. But that would be actually solving the problem. You obviously don’t want to do anything like that.

Let me tell you a little story I heard about a city very far away. Their creek and Marina were damaged with chemicals and riprap. And some people worked very, very hard for half a century to get it restored. As soon as they finished some beavers moved in. Just like that. People were very surprised. But  a very wise man said to me that it was a stamp of approval for all their hard work. He knew the beavers were a reward for a job well done. But some curmudgeons like you said it was icky and the beavers needed to be gotten rid of.

If you want to know what happened next read ‘our story’. And if you want to know who the very wise man was click here.


The city of North Vancouver is shocked, SHOCKED to learn that some rascally rodent has been ruining their trees. Apparently no one as suggested that the famously celebrated Olympic Village beavers that live just across the harbour less than 5 miles away might be too blame. Have you never driven more than 5 miles  to have dinner out? They are looking for a local culprit.

Border-dwelling beaver wages battle against North Vancouver trees

A beaver, normally a symbol of Canadian pride and unity, has caused destruction on the border between two municipalities on B.C.’s North Shore.

Linda Lambert beaver tree damagesaid the beaver has been living in Lower MacKay Creek just to the west of Capilano mall for several months, and has been wreaking havoc on trees in the area.

“He’s wandering out of the creek-bed where he lives and attacking these trees, the ones that have been planted by the municipality and the ones that were there naturally,” she said.

Around 10 to 20 trees have been damaged or destroyed on each side of MacKay Creek. (Stephen Lambert)

Lower MacKay Creek is right on the border between the City of North Vancouver and the District of North Vancouver.

It’s not known which district is responsible for dealing with the beaver, and Lambert believes it could be causing delays in creating a long-term plan. 

Oh no! Obviously it’s a classy and well-tended greenbelt. I sure hope that wretched beaver doesn’t ruin the abandoned shopping carts! You better act fast because pretty soon those trees might fall on some of the other trash that is accumulated in the no man’s land between the city and the county. We wouldn’t want that.

The area where the beaver has settled is prone to flooding in the spring, even without a beaver building a dam in the middle of the creek. 

“They are major workers. They don’t stop, ever,” said Lambert. “I guess that’s why they’re our national animal.”

I don’t know. I’m not sure this article conveys enough hyperbolic alarm, are you? I mean sure it describes the sneaky bastard carving up trees in the dark of night like some botanical Hannibal Lector, and it uses plenty of egregious puns like “Toothed Tyrant” but does it really convey the level of threat involved in a totally expected animal doing a totally predictable thing?

I worked yesterday finishing up our grant application, and came across this wonderful quote by Senegalese forestery engineer Baba Dioum to include. I thought it could be very appropriately paired with Suzi Eszterhas wonderful photo. If Worth A Dam had a guiding principal, this would be it.

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Ever since I added talkwakers as a beaver search tool I’ve had more articles to write about than I can keep up with. Every day there are new ones and I prioritize old ones in a file. Except today. When there was NOTHING. You and I are entirely caught up on the breaking beaver news. I had to go hunting to find this, which I think I wrote about before. But I like it anyway.

IFLBeavers

Beavers Are Awesome For Ecological Conservation

Beavers are proving to be quite the helpful little creatures: First, they proved themselves to be awesome engineers in the California drought. Now, they’ve found a new vocation as biochemists. A recent study has shown that beaver populations are helping to remove nitrogen from waters in northeastern America.

The use of nitrogen fertilizers has been rising for years as part of a farmer’s armory to increase yields, fill pockets and feed mouths. However, when the nitrogen seeps into nearby streams, it causes an algae bloom. The nitrogen fuels the massive growth of these microbes, which use all of the oxygen and subsequently starve the fish and other water-dwelling species of their share.

However, beavers can help counterbalance this. The study, published in the Journal of Environmental Quality, found that the process of beavers building ponds increased the interaction of water with soil and plant matter. The soil and organic matter contained denitrifying bacteria that turned nitrates into nitrogen gas, hence removing it from the system. The study found that this process can reduce the nitrogen levels in the water by 5-45%.

Hurray for beavers and hurray for science! Beavers do very important things for water and nitrogen.  I love that these plucky research-o-philes just stumbled on the fact that beavers are useful and think that should change everything now. A little knowledge is a dangerous thing. Case in point:

Despite the ecological importance of beavers, they still face threats from fur trading and the stigma of being viewed as a pest by salmon farmers.

Beavers are a problem for salmon farmers? Umm I assume what that refers to is that folks worry beavers are a problem for salmon, AND also for farmers. And they just condensed it down to salmon farmers! Heh heh heh.  There really aren’t that many salmon farmers per se.

(I’m reminded of the old joke where than man buys 5 dozen baby chicks from the feed store, and a few weeks later is back for another 5. The owner is surprised and asks went wrong with the first lot, and he replies, “I dunno, maybe I’m planting them too deep.” Ba-da-bump.)

I realize there is actually is farmed salmon, but the beaver as nuisance argument goes way beyond that. The article ends well,

Arthur Gold, a natural resources scientist who worked on the project, said in a statement, “It’s noteworthy that the beavers have such an impact on improving nitrogen downstream. We have a species whose population crashed from wide-spread trapping 150 years ago. With their return they help solve one of the major problems of the 21st century. I don’t want to minimize that. We have to remember that those ponds wouldn’t be there without the beavers.”

Allow me to repeat that. Beavers solve one of the major problems of the 21st century. And help regulate droughts and flooding. And increase biodiversity and repair down cutting in streams. And restore the salmon and steelhead population.

And you are bothered because they’re inconvenient? Here endeth the lesson.

North American Beaver Castor canadensis Martinez, CA
North American Beaver
Castor canadensis
Martinez, CA

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