Sentences with phrase «of beaver dams»

In recent fieldwork in Colorado's Rocky Mountain National Park, Wohl studied the wetlands and floodplains upstream of beaver dams — areas collectively called «beaver meadows» — along 27 streams draining watersheds covering more than 700 square kilometers.

Not exact matches

Think of this as a potential new hole in the huge beaver dam currently backing up oil in the North American heartland.
«The beaver's dam is extended in a time - realm, but the planted tree is rooted in the world of time, and he who plants the first tree is he who will expects the Messiah.»
No beaver has chains of dams, They don't franchise dams,) When the engineers say that we are driven constantly to surmount any limit, we know what they're talking about.
If you want to see a beaver here's all it takes: Sneak out to a dam and pull a couple of logs out (easier said than done — beavers are remarkable builders).
Birds sing, the dance of the bee seems to be a kind of symbolic language, beavers build dams.
The council began investigating the beaver option after learning that the state was considering artificial dam projects that might cost billions of dollars.
And costing just $ 11,000 for each kilometer of stream, artificial dam reinforcements are much cheaper than conventional restoration methods — since the beavers do most of the work for us.
[Nicolaas Bouwes et al, Ecosystem experiment reveals benefits of natural and simulated beaver dams to a threatened population of steelhead (Oncorhynchus mykiss)-RSB-
The damming of beavers — altering the course of streams, opening meadows within forests, and creating pond ecosystems — elevates them to a keystone species.
That, plus the diversity of other wildlife found — frogs, fish, deerlets, hares — led Harington to conclude that around 3 million to 4 million years ago, the site was a beaver - dammed watering hole.
The samples» ratios told him the camel roamed 3.8 million years ago and the beavers set up their dam 3.4 million years ago, give or take half a million years — age ranges accurate enough to place them in the middle of the mid-Pliocene warm period.
Beavers turn out to be hugely important: they are veritable ecological engineers, with their dams, water meadows and selective logging having modified much of the low - lying land from the northernmost US to Canada's Arctic treeline.
But if all the beaver dams were occupied with their wetlands intact, her previous data suggest, beaver meadows would be storing about 23 % of the landscape's soil carbon, an estimated 2.7 million metric tons of organic carbon.
In work published last year, Wohl and her colleagues found that sediment upstream of active beaver dams in the park contained about 12 % carbon by weight, most of it locked in wood.
She analyzed the carbon content of 29 samples of sediment collected along two of the larger waterways (one of which included remnants of 148 beaver dams, and the other had 100).
A new study suggests that beaver dams and the sediments corralled behind them sequester carbon, temporarily keeping greenhouse gases containing the element out of the atmosphere.
As the researchers reported online last month in Environmental Science & Technology, this kind of bacteria thrives in the waterlogged sediments, rich with decaying vegetation, that pile up behind beaver dams.
They add that their findings support the practice of leaving old dams in place in Europe and North America where beavers — whose numbers have plummeted over the last 150 years — are making a comeback.
A study found that the beaver is playing an increasing part in climate change because the dams they build for shelter create shallow, stagnant ponds of water which allow biological material to build up on the bottom of the river.
With Battle Creek providing the water to several ponds created by beaver dams, and several views of Puget Sound, Camano Island and the Olympic Mountains.
Research topics: Jacques Cartier, Ojibwa tea, beaver dams and lodges, how otters hunt, feeding human food to wildlife, Ojibwa / European trade, what beavers eat in the wild, what instinct is, the Hudson's Bay Company, birch bark canoes, what «portage» means, forest fires, steamboats, who are the Ojibwa, Native American spiritual beliefs, animals in zoos versus in the wild, travelling by train in Canada (in the past), how elevators work, the importance of saying thank you, what bannock is, autumn around the world, how dangerous wolves really are.
How many millions of cubic meters of water do ya think where held by beaver dams?
To make an analogy: It would be wrong to argue that a beaver dam can't produce a pond because all the dam does is delay slightly the flow of the water down the stream.
That is like saying that a beaver dam can't create a pond because all it does is merely delay the flow of water.
It is thought that the dam was able to reach such a massive size because multiple beaver families contributed to its construction — which required thousands of trees to produce.
Park officials say the dam is inaccessible by foot, so the best view of it may be from space.According to The Sun, the massive beaver dam spans 2,790 feet, which is 1,546 feet longer than the Hoover dam, which held the title as the largest dam from the years 1936 to 1945.
With this this enormous dam, visible from space, beavers once again prove that humans aren't the only ones capable of building on a massive scale.
In addition, CBC has reported, «The Blueberry River First Nation argues [in a civil case launched in 2015 that] the cumulative damage [from industrial development, including the Site C dam] is robbing them of their treaty rights to hunt and fish, as moose, marten, beaver, lynx and caribou disappear.
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