Uncovering the Baby Mammoth

The National Geographic Channel is airing a documentary called “Waking the Baby Mammoth” this Sunday. The discovery of an intact baby mammoth carcass is also the cover story of the May edition of the National Geographic Magazine. Lester Graham has more on that:

Transcript

The National Geographic Channel is airing a documentary called “Waking the Baby Mammoth” this Sunday. The discovery of an intact baby mammoth carcass is also the cover story of the May edition of the National Geographic Magazine. Lester Graham has more on that:

(National Geographic) “This is the story of a nomadic reindeer herder, an extinct baby wooly mammoth, and a team of scientists on a quest to learn her secrets…”

One of the scientists on that quest is Dan Fisher. He’s a paleontologist at the University of Michigan.

This nearly 40,000 year carcass is the most complete baby mammoth ever discovered. The scientists named it Lyuba.

Fisher flew to Russia two years ago to get his first look at the mammoth, an animal that’s been extinct for thousands of years.

“It’s overwhelming really to feel the privilege of getting to be that close to something that does hold so many answers to questions many people have.”

Graham: “This was a fascinating find, but I wonder how much has it added to our knowledge of that period.”

“What it tells us about the period is that it was really a wonderful time to be a mammoth – to be a large mammal – on the open steppes of the high north.”

(National Geographic) “For paleontologists this is a time capsule from the Ice Age. When Lyuba lived, the mammoth steppe was at its peak. It was rich with vegetation that sustained millions of woolly mammoths for hundreds of thousands of years.”

An autopsy of the baby mammoth revealed a lot about where she died – 40,000 years ago a dry grassland. Today it’s a frozen tundra in Siberia.

Dan Fisher says the well-preserved carcass still had traces of what Lyuba ate.

“It’s remarkable that we can take evidence that’s with us today, that’s at our fingertips and generate from that new understanding that can give us perspective on big questions like extinction and climate change, issues that we certainly will have to continue to face as we deal with other endangered species and with the future of our own civilization and planet.”

Fisher says the mammoth remains help add to our understanding of a related animal still around today, the elephant. And they help us better understand our impacts on other endangered species.

And Fisher says learning more about the climate 40,000 years ago can help us understand one other thing.

“We want to, of course, understand the Earth’s climate system better and one of the ways we can test the computer models that help us to project patterns of climate change into the future is to essentially try them out on the past. The past is essentially the training wheels for learning to refine these models. So, information from Lyuba and other mammoths can help us to develop a better understanding of how the Earth’s climate system works.”

(National Geographic) “Dan Fisher and his colleagues will continue to unravel Lyuba’s secrets and to search for reasons why mammals went extinct at the end of the Ice Age.”

The National Geographic program indicates research continues to reveal a lot about Lyuba’s life, and her death, which the scientists begin to piece together in the documentary.

For The Environment Report, I’m Lester Graham.

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Tree Pest Spreads From East to Northwoods

An invasive insect that has hurt forests in eastern states for more than 50 years is spreading to northern forests. Richie Duchon reports officials think it came by way of out-of-state nurseries:

Transcript

An invasive insect that has hurt forests in eastern states for more than 50 years is spreading to
northern forests. Richie Duchon reports officials think it came by way of out of state nurseries:


The tiny bug kills hemlock trees. The Hemlock Wooly Adelgid makes the trees weak and
vulnerable to droughts. Most of them die within ten years.


Mike Phillip is with the Michigan Department of Agriculture. He says this is an important time
of year for finding the adelgid.


“It begins to become active and will develop a white cottony, fluffy surrounding for its body. It’s
called an ova sac. And that is where it gets its name Wooly Adelgid. And that is an important
stage for us, because that’s where it becomes visible to us, and we can really get an idea of the
size of an infestation and what we’re really facing.”


Hemlocks are an important tree in forests, because they make good habitat for birds and animals.


For the Environment Report, I’m Richie Duchon.

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Feral Pigs Run for the Border

  • Feral pigs have become a nuisance in Wisconsin, and DNR officials fear that if their numbers do not decrease, they will do a significant amount of damage. (Photo courtesy of the Wisconsin DNR)

Ag officials are tracking a big pig problem across Wisconsin. Since 1999, growing numbers of feral swine have appeared across the state. And as the Great Lakes Radio Consortium’s Brian Bull reports, officials now fear the spread of the wild pigs:

Transcript

Ag officials are tracking a big pig problem across Wisconsin. Since 1999, growing numbers of feral swine have appeared across the state. And as the Great Lakes Radio Consortium’s Brian Bull reports, officials now fear the spread of the wild pigs:


The woolly porkers have appeared in 23 of Wisconsin’s 72 counties. They’re damaging crops, digging out ground-nesting birds, and killing small deer. They may also cary pseudorabies and swine brucellosis, threatening domestic pigs.


Wayne Edgerton is agricultural policy director of Minnesota’s DNR. He says the problem could easily spread into his territory.


“They can certainly walk across the ice, so this time of the year they can come across to Minnesota. And I’ve heard they’re actually good swimmers. So even in summertime, they could get their way over to northern Minnesota.”


Some people have speculated that Minnesota’s intense winters would kill off any feral swine crossing the border. But Tim DeVeau, a veterinary medical officer of the USDA, says that’s unlikely.


“As long as they’ve got food, and they’re gonna put fat on, they’ll be well-insulated.”


DeVeau adds that in order to keep wild pigs’ numbers under control, at least 75% of the population has to be destroyed every year. He says that’s not happening.


For the Great Lakes Radio Consortium, I’m Brian Bull.

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