How wolves change rivers

In the case of Yellowstone National Park, wolves were exterminated about a century ago causing the ecosystem to go out of balance, the number of elk to boom, the vegetation and trees to plummet and more. Another Perspective on Wolves in Yellowstone The video is worth a look and its very convincing, however, some scientists who have followed up on what happened have concluded that the outcome was at least somewhat exaggerated and inaccurate. Human hunting, growing bear numbers and severe drought have also reduced elk populations.

How wolves change rivers

February 15, Something Wonderful: How Wolves Change Rivers "When we try to pick out anything by itself, we find it hitched to everything else in the Universe.

The irreplaceable Neatorama Posted by gerardvanderleun at February 15, 7: HOME "It is impossible to speak in such a way that you cannot be misunderstood. Comments are moderated and may not appear immediately.

Comments that exceed the obscenity or stupidity limits will be either edited or expunged. Something the man for whom the word "moonbat" was coined said something I can't reflexively condemn.

And still the Earth turns from West to East.

How Wolves Change Rivers

Mike James at February 15, 8: The coyotes, lynx, bobcats and cougars backfill any lack of wolf population you have. Wolf comes back, and the whole thing re-sorts. If deer are so bad, why don't we increase the deer harvest?

So many ways to be-clown this, so little time.

How wolves change rivers

Casey Klahn at February 15, 8: Wolves have "saved" Yellowstone singlehandedly! This is all part of the humbug that there are "key species" without which, the whole damned environment goes to hell.

A major chestnut that the enviro-weenies like to use to try to shut down modern civilization. The increase in elk herds was due to the increase in grazing lands that occurred after the big fires of All the grazing herds increased except for the moose.

No one knows exactly why because the coverage of Aspen and willows increased. As the trees recovered the grazing area decreased. The explosion in grazing populations soon outstripped the food supply. The Park was carrying too many elk, bison, and deer.Mar 05,  · Realizing how the wolves changed everything on the population and the forest and the rivers shape and size really amazed me how such a little amount of wolves can change a whole ecology; every organism has a major role in the food chain (which we’ve learned in class).

The wolves changed the rivers in as much as they readdressed the lost balance within the region, one we had created when we exterminated them.

One of our videos, "How Wolves Change Rivers" has been seen nearly 40 million times and is being used by conservation scientists and teaching environments around the world to illustrate how interconnected the world really is. How Wolves Change Rivers. 13th February 6th April A short extract from my TED talk. A 5-minute video written and narrated by George Monbiot. Put to music, sound and pictures by SustainableHuman. Post navigation. Video: Did the Reintroduction of Wolves Truly Change Yellowstone? Candice Gaukel Andrews March 20, The relationship between the Yellowstone Ecosystem and its reintroduced wolves may be more complicated than just a “trophic cascade.” ©Candice Gaukel Andrews.

With a better balance between predator and prey, top meat eaters and top grazers, came the possibility for other species to thrive. When wolves were reintroduced to Yellowstone National Park in the United States after being absent nearly 70 years, the most remarkable "trophic cascade" occurred.

What is a trophic cascade and how exactly do wolves change rivers? George Monbiot explains in this movie remix. Which in turn led to the most astonishing discovery: the wolves had caused the rivers to change. The patterns, the flow, and river behavior all began to adapt to this new ecosystem that was created because the wolves were present.

When wolves were reintroduced to Yellowstone National Park in the United States after being absent nearly 70 years, the most remarkable trophic cascade occurred. The wolves have affected not just the surrounding living ecosystems, but . Make a change in one area and you set loose a wave of changes, often unintended or unanticipated, in other areas.

As an example, the fascinating video below, on what happened when wolves were reintroduced into Yellowstone National Park in , 70 years after they had vanished from the area.

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