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

Tag: Beavers change things


Another savory dish Rob Rich sent my way was this essay by author Ginny Battson. It is a splendid, thoughtful and thought-provoking read perfectly designed for a sunday afternoon by the seaside or a cup of coffee and the first snow in your uncle’s cabin. Which means it deserves much broader thinking than I can summon, but the beaver parts are really, really good so I’m going to share them.

Beavers are Fluminists

I learn from rivers, as do the beavers. I spend time in and around them, observing and sensing. Two and a half thousand years ago, the ancient philosopher Heraclitus also wrote on the profound things he learned from rivers. In an age before sHERCLITUScience, he looked for guiding principles in nature. What he found in rivers was a permanence in a reality of apparent change. All is flux, a matrix of matter and movement. The river is an analogy for an elemental cosmos, yet materially effervescent. Rivers are also life systems ~ complex and dynamic.

beaver swimmingBeavers, the river keepers, have evolved to be more than the sum of themselves. Beavers live in the life-flow, interrupt and send it in multiple directions. Known to ecologists as ‘keystone,’ First Nationers instead call them ‘sacred centres’ of the land. For they are whirling hubs of life-diffluence and life-confluence, integral to the flow just as mind cannot be separated from body. They are dam and bridge builders, storing water at times of plenty for times of drought. They sequester carbon kit chewing over beautiful waterby trapping it in fluvial muds that eventually become rich soils. They are coppicers; the trees they fell to feed upon and rear their young will regenerate, beaver-cuts catalysing a diversity of plant and animal life. They are also wildlife protectors ~ during winter, woody debris left trapped behind dams are buried beneath deep snow, and provide shelter for a host of smaller mammals and reptiles during the bitter cold. And then, when the northern hemisphere tips nearer to the Sun, melt water forms reservoirs and a rising water table, creating habitat for amphibians and a plethora of bird species, including waterfowl ~ wood duck and heron, migratory waders and passerines. New lentic deeps amongst woody debris provide fish fry safe passage to grow to adulthood. Majestic osprey take the adults. In lotic flows downstream, clouds of black fly larvae lay submerged, attached toNorth American Beaver Castor canadensis Martinez, CA substrate with silk, to emerge in spring and breed, then feed the bats that hunt on the wing above the beaver-cuts. The dams may eventually blow-out by flood, and the beavers will find new territory. Upstream, moose rear youngon regenerating meadow grasses years after dams are abandoned. This really is rich habitat; the smell of river, wood and beaver is intoxicating.

If beavers could speak human, they may also say: Into the same rivers we step and do not step, we are and are not.

(Heraclitus Homericus B49a)

Ginny introduces the word Fluminism to explain the interconnected dynamics of the universe flowing forwards, connecting and enriching  and says it’s what beavers do best. She even goes so far as to call it a kind of love, or the doing and caring parts of loving. Her essay is filled with the richest imagery and most fluid prose. You should really tuck away the link and read it sometime when you have time to reflect. For now I will just say that she GETS beavers. I remember Skip Lisle similarly said the principal of beavers is dynamism, meaning change. They change things, things change them, the things that are changed by them change other things. Maybe after 10 years of watching beavers I can see how they changed me, how my life has rearranged itself because of their work.

Back to the Maine woods, and it’s getting late. I’m a little bit edgy because the light is falling. As I hurry back with my baby over the bridge towards Gilbert, we hear the slap of a scaly, flat tail hitting the water ~ splash. I stop and turn us around to follow the sound. My eyes adjust to the watery scene. And there is the beaver, Fluminist, swimming, with a wet, brown head visible for a moment and shiny eyes, before diving beneath the inky reflections of a darkening sky. She’s warning others we are here. Though we’d never harm her, others might. I feel at peace knowing she is here, knowing she has a rich intrinsically valuable life, full of love for this world in the river she understands so intimately. I point her out to my baby who instinctively feels both the joy and excitement. Formative moments, for sure. There is so much yet to learn from Ahmik, Fluminist, and I walk us home full of awe and gratitude.

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

 


The boardwalk through the wetland and a beaver lodge. Credit Glenda Booth

This was supposed to be Huntley Meadows “crown jewel”. A raised boardwalk through 50 acres of non-tidal wetland where visitors could see great blue heron, snapping turtle, muskrat, otter, and even beaver, who were treated as a fairly appreciated natural feature in the area. The beavers built an excellent dam and lodge in the park right next to a helpful viewing platform for education and everything would have been fine if those dam beavers hadn’t went and moved things around!

Kevin Munroe, Huntley Meadows Park Manager, explains that beavers are building a lodge next to the boardwalk. Credit Glenda Booth

 

 

But the wetland is losing water depth and losing some plants and animals that prefer this type of habitat. The wetland is changing because silt washes in from adjacent neighborhoods and beavers are changing their activities. Beavers are nomadic, Monroe said.

In the late 1970s, beavers built a dam across Barnyard Run, which created a swamp and flooded forest that changed the shallow wet lowland into what is called a hemi-marsh. The hemi-marsh evolved into a lake marsh because of the beaver dam, and then eventually evolved into a dry marsh or wet meadow habitat because of droughts, siltation, beaver movements and natural marsh succession.

Beavers change things. It’s what they do. And after they change things they change them again. And again. One of the best quotes I treasure from Skip Lisle is “The principal of beavers is dynamism“. Which explains why beavers and humans get along so poorly. We want our concrete channels and our set boundaries and our stable levies.

Beavers want change.

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