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

Month: October 2014


More beaver intrigue from Rick Marsi:

Beaver lodge visits make waders required attire

Put on your long johns and waders. We’re going over to the biggest beaver pond around to see what we can see.

 The pond consists of a tangled mass of small willows and alders, flooded to a level of 3 or 4 feet. Near its center, where the beaver lodge is located, the water becomes deeper and relatively uncluttered.

 As we approach the pond through this stand of trembling aspen, don’t be surprised if a woodcock flies up in front of us. The poplar-lined stream banks beavers choose for pond sites also provide prime habitat for woodcock.

 Look at the size of this aspen the beavers have just cut down. It must measure 12 inches in diameter. Beavers won’t inhabit an area that doesn’t offer abundant soft wood trees such as aspen and willow. A tree this size is an easy night’s work for the beaver’s four chisel-shaped incisors.

 We’ll follow this well-worn path down to the pond. Beavers use this route for dragging freshly cut branches to the water. These paths usually lead to fairly open channels that emanate from the lodge and provide beavers with a waterway system that penetrates the most tangled sections of the pond. Hopefully, this channel won’t run too deep, and we’ll be able to follow it to the lodge.

 As we move through dark water, walk slowly and quietly. Test your footing before each step. The pond is loaded with submerged tree branches and muddy drop-offs.

Beavers have added fresh mud and sticks to it in recent days. They’re insulating for winter. Note all the branches they’ve buried underwater to provide an adequate winter food supply. When the pond is frozen, beavers will dive out of an underwater lodge exit to access the branches. Once dragged back to the lodge, each branch will be twirled about by front paws, while its soft outer bark gets eaten like corn on the cob.

Now that’s a fun read. The title gripped me with terror that they were working there way IN the lodge, but the actual column is just  delightful appreciation. It talks about wildlife at the pond, and the varied pond floor which we know means bug variation. And he doesn’t bother the beavers, which is perfect etiquette in my book.

We should take our leave before darkness falls. A northwest wind and chilly water have got me shivering. I wanted you to see this place before ice entombed it, so you’ll be able to come back on your own next spring.

Fun ad this morning for a new notebook. See if you can spot the most impressive photo-shopped image:

And the Yakima outrage from yesterday gets better [worse]. Leonard Houston sent a note this morning pointing out that the beaver left behind had an ear tag. That means they know all about this abandoned soldier. They know his number and they know he didn’t make it into the mothership for rescue.

They just couldn’t be bothered.

closerOr I suppose the kindest possible interpretation is that the beavers they relocated weren’t tagged. And this is one relocating himself into vacated lodge the very next day. Which, come to think of it, is as good as an explanation of why getting rid of beavers doesn’t solve problems as I can think of.

 


 A young beaver explores an old beaver lodge near Ellensburg, Washington, US. Its family was moved as part of a program to trap nuisance beavers and relocate them to the headwaters of the Yakima River where biologists hope their dams will help restore water systems used by salmon and people.

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Apparently someone was so busy getting credit for saving beavers that no one bothered to get the WHOLE FAMILY. I know it’s hard knowing how many there are and not all beavers cooperate by climbing in the metal suitcases. But I assume that watching helps you get an idea of how many to catch. We certainly know how many beavers there are in Martinez, This youngster was left behind by mistake after the Rapture took away his family. No one came back for him and only the AP photographer cared enough to take the photo.Which was published on “This week in Wildlife in the Guardian“.

It’s Island of the Blue Dolphins for beavers. Do you think that will be in the Washington Post? I guess we should look on the bright side. When that yearling gets over the shock of abandonment he’ll probably start doing beaver things and then the property owner will kill him like he originally wanted to do. So he won’t be lonely any more at least.

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We need cheering up after that story. Here’s a fun headline from Canada picked up by the CBC. I’m glad the councillor is against beaver trapping. But my favorite part is the photo. Because thinking of a beaver swimming on its back makes me giggle.

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Projet [sic] Montreal borough councillor Sterling Downey says he recently learnt the city of Verdun reintroduced trapping to kill or relocate beavers on Nuns’ Island.

He says it’s cruel and is calling on his borough to stop its contract with trappers.

He says a more ethical method needs to be used.

In past reports, Verdun officials  said they were using trapping because beavers were destroying trees at an alarming rate and giving some residents headaches.

But some residents have also complained about them, particularly in 2008 after a dog was killed when it got stuck in a trap.

The SPCA says it wasn’t consulted before the trapping was introduced and has now offered Verdun officials other options, such as services from Fur Bearer Defenders, a non-profit with expertise in the subject.

It says trapping also has serious impacts on our ecosystem and it hopes Verdun will reconsider.

Verdun is just outside of Montreal in Canada and clearly our friends at Fur-bearer Defenders have made inroads there. I’m just going to sit and imagine coucillors opposed to trapping because its bad for the environment. And I think you should too.

I’ve been on vacation this week in Mendocino and the coastal lovely fogginess finally comes to an end today. So I spent yesterday making the annual movie of this year’s kit. Jon will never be able to listen to this song again, but I think you should enjoy! Do you realize this is the 20th kit we’ve had born in Martinez since we decided not to kill them?

And finally a big thank you to our musician friend GS from San Francisco who celebrated his mother’s well-lived life by making a generous donation to Worth A Dam with his inheritance. Thanks so much! And we’ll make sure we use it in the service of beavers!

 


Yesterday was crazy with beaver activity in the news, but the awesome part that tipped my scales on the wow-meter was that one of the folks of the friends of the free beavers on the River Tay in Scotland got a Freedom of Information Act request from DEFRA with all the correspondence on beavers in the British waterways.

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That means all the emails where they talked about lying, got ready to lie, lied and bragged to each other about lying are there for the world to see. The request had been public around 6 hours when this story was published in the Guardian.

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Health watchdog contradicts claims Devon beavers pose human health risk

Officials at the Department for Environment, Food and Rural Affairs (Defra) have repeatedly said that the beavers, thought to be the first in the wild in England for centuries, could threaten human health because they may be carrying a disease that the UK is currently free of.

But Defra documents and emails, released under Freedom of Information rules, reveal that while Public Health England (PHE) is concerned about the disease, it does not believe the beavers would increase the risk to human health from the tapeworm, Echinococcus multilocularis (EM).

“PHE accept that the main risk of an incursion is likely to be through international movements of pets, both legal and illegal… Therefore they are not convinced that the three Devon beavers necessarily represent a significant increase in overall risk,” a Defra official emailed colleagues after meeting with Public Health England.

But that’s the  special lie we picked! Are you saying it doesn’t sound true enough to the experts? We’re DEFRA. We’ll make it true! So they went on their merry way saying there was a chance of disease even though the experts told them there wasn’t. And that’s why THIS was the email heard around the world.

The whole cache is a treasure trove, especially the indignant letters from citizens outraged at the decision and their pained justifying responses.See if you can find mine! It’s nice to know that those things are kept somewhere, although it did give me a mad longing to see the FOIA on correspondence regarding the Martinez Beavers in 2007.

(Mostly I just want to see letters between the mayor and Mary Tappel. But that’s just me.)

If you’re too mature to have fun playing in DEFRA’s dirty underthings, there was also an EXCELLENT beaver report on NPR  KNAU in Arizona yesterday. Click to listen to a short but sweet reminder of why beavers matter.

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And just in case you thought the beaver news cycle passed Martinez by, they rolled out the  swanky new website for our sponsor Inquiring Systems Inc yesterday. Check us out under ““projects“.  I think we’re placed according to how many hits we get, because we keep moving around. So CLICK on this, please and remind the world that beavers matter.

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I’m very happy they highlighted this quote:

AS CALIFORNIA FACES MORE DROUGHT YEARS, IT IS MORE IMPORTANT THAN EVER TO COEXIST WITH THESE IMPORTANT ‘WATER SAVERS’.

 


The Yakima “happily ever after” beaver story made the rounds yesterday, on ABC, Fox, Yahoo and the Huffington Post.  I am thrilled that the story of beavers doing environmental work is having a news cycle. I am less thrilled that the meme of relocating beavers is getting thrown about and teaching the world to solve problems by moving them.

(And I’m jealous.)

I received some awesome news from very close to home that I am forbidden to share yet. So I will give you some great news from rather far a field instead.  This is being described as the longest beaver population study ever, and they have the publishing record to prove it. One of the researches, Christian Andre Robstad posted on it on the Beaver Management Forum.

I wasn’t exactly sure what they were studying, and Christian sent me this. I’m imaging some Google translate may have been involved?

Main research questions

Why are some individuals more successful in surviving and reproducing than others?
What affects the temporal and spatial variations in the landscapes of fear, nutrition, and fitness?
How do variations in territoriality affect the mating system and individual fitness?
What is the role of chemical signals in territorial defense, recognition and discrimination?
How do humans and their activities (e.g. hunting, climatic change) affect the fitness (i.e. survival and reproduction) of wild animal populations?
The scientific backdrop for LEBE! is provided by the Scandinavian Brown Bear Research Project and the Norwegian Beaver Project (NBP). The SBBRP is one of the world’s largest and longest ongoing large mammal projects (1984-today), with a very high scientific output (>180 publications in international peer-reviewed journals, including Nature and Science). An individual-based long-term data set of >800 captured bears, biometric measurements as well as genetic and physiological samples from >2000 captures, > 2million re-locations of radio-collared bears, and data from >2500 shot bears form the basis of the SBBRP. Assoc. Prof. Andreas Zedrosser is one of the lead scientists of the SBBRP, as well as a member of its steering committee.

The NBP is one of the world’s largest and longest ongoing large rodent projects (1997- today), with a very high scientific output (>80 publications in international peer-reviewed journals). An individual-based long-term data set of >400 captured beavers, biometric measurements as well as genetic and chemical samples from >1000 captures form the basis of the NBP. The NBP is unique in Europe, as it is one of very few projects carrying out behavioral experiments with large wild mammals. Prof. Frank Rosell is the leader of the NBP.

Both projects provide long-term individual-based data sets unique in a world-wide context, which are explored in relation to the main research questions in LEBE! The main model species in LEBE! are the brown bear and the Eurasian beaver. The majority of our research and publications deal with these species and will continue to do so in the future. However, in addition we also work with other species as well, such as dogs, marmots, badgers, brown trout, ground squirrels, root voles, Mediterranean monk seals, and chamois.

Central research disciplines

Evolutionary ecology
Behavioral ecology
Zoology
Genetics
Physiology
Laboratory members

Heads of laboratory

APTOPIX-Beavers-to-the-Rescue
n this Sept. 12, 2014, photo, a young beaver looks out from a cage at a holding facility in Ellensburg, Wash. Under a program in central Washington, nuisance beavers are being trapped and relocated to the headwaters of the Yakima River where biologists hope their dams help restore water systems used by salmon, other animals and people. (AP Photo/Manuel Valdes) (MANUEL VALDES)

Beavers, their dams put to work restoring streams

Nuisance beavers put to use restoring streams, fish habitat in central Washington

ELLENSBURG, Wash. (AP) — In a heavily irrigated Washington valley where fish, crops and people often compete for water, biologists are turning to one of nature’s best engineers to help restore streams and salmon habit

Landowners typically trap or kill beavers that block irrigation canals and flood homes in the Yakima Valley. But one project is relocating the troublemaking creatures to the headwaters of the Yakima River, where their talent for chewing willows and constructing lodges can be put to good use.

“Beavers can be really destructive, but in the right places, they can be good ecosystem engineers,” said Mel Babik, project manager with the Mid-Columbia Fisheries Enhancement Group, a nonprofit that works to restore salmon populatio

In Washington, Oregon, Utah and other parts of the West, beavers increasingly are being used as an effective, low-cost tool to help restore rivers.

Beaver dams, ponds and other structures add complexity to an ecosystem, slowing the flow of water and sediment downstream. Salmon and other fish take advantage of pockets of slow water to rest, feed and hide.

Yet again we are reminded why Washington State is better than EVERYWHERE else. (And incidentally reminded that USDA was a big liar when they told Kitsap that relocation was illegal in Washington). Joe Wheston the geomorphologist-profeessor from Utah State calls the project “Cheap and cheerful restoration” which is pretty awesome.

Meanwhile, beaver ponds help store water on the surface as well as underground.

 “The water stored underground comes out during a time of year when fish need cold water and farmers need it too,” said William Meyer, who coordinates the Yakima Basin water resources plan for the state Department of Fish and Wildlife.

I love the pragmatic good work of Yakima, and it never hurts to remind people that beavers are good for streams. But regular readers of this website will know right away how many ‘nuisance beavers’ I think there are that should be relocated.

Nuisance politicians, directors of public works and property owners – sure. But where would you move them?

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In this Sept. 12, 2014, photo, a tagged 50-pound male beaver nicknamed “Quincy” swims in a water hole near Ellensburg, Wash., after he and his family were relocated by a team from the Mid-Columbia Fisheries Enhancement Group. Under a program in central Washington, nuisance beavers are being trapped and relocated to the headwaters of the Yakima River where biologists hope their dams help restore water systems used by salmon, other animals and people.

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