Moose populations are falling; an ancient skeleton turns out to be that of a woman


Ecologists say moose could be gone from Minnesota within a decade. (ISTOCKPHOTO)
October 28, 2013
Ancient skeleton gets a new identity

A skeleton interred alongside a spear in an Etruscan tomb is that of a woman — not a man, as archaeologists originally believed.

A team led by the University of Turin’s Alessandro Mandolesi found the tomb last month, LiveScience reported.

Carved into the rock in a necropolis in Tuscany 26 centuries ago, the tomb was still sealed. Two skeletons were inside, resting on stone beds. One had been incinerated and the spear was lying next to the other, leading the archaeologists to believe that a prince had been entombed with his spear and that his wife had been laid to rest next to him.

As an Italian news agency later reported, however, the bones lying next to the spear had belonged to a woman. The incinerated skeleton was that of a man, laboratory analysis revealed. Mandolesi told reporters that the lance was probably a symbol of the union between a husband and wife.

Archaeologist Judith Weingarten, a member of the British School at Athens, objects to that interpretation. “So the newly-identified lady still doesn’t get credited with her own lance. The thought doesn’t even arise that it might be a symbol of her power and authority rather than the weapon of a warrior,” she writes on her blog.

She argues that in Etruscan society, women were not subordinate to men, as were their contemporaries in Greece and Rome. Instead, they ate with men (and not only with their husbands), participated in public life and often held political power.

— Max Ehrenfreund

What’s happening to all the moose?

Moose in the northern United States are dying in what scientists say may be the start of climate shock to the world’s boreal forests.

The die-off is most dire in Minnesota, where ecologists say moose could be gone within a decade. But it extends across the southern edge of the animal’s global range: Populations are falling as far away as Sweden.

No single cause seems to be responsible. In Minnesota, many moose seem to be dying of parasitic worms called liver flukes; in Wyoming, some researchers are pointing to a worm that blocks the moose’s carotid arteries; in New Hampshire, massive tick infections seem to be the culprit. This diversity of reasons makes some experts think they need to dig deeper.

“The fact that you’ve got different proximate causes killing off the moose suggests there’s an underlying ultimate cause,” says Dennis Murray, a population ecologist at Trent University in Canada.

Murray suspects that the underlying cause is climate change. Moose are adapted to the bitter cold of northern climates, and those living farther north in Canada and in northern Scandinavia appear healthy for the most part. But moose in southerly habitats can become heat-stressed when the weather gets warm. This prevents them from building body-fat reserves to help them survive the winter. Heat stress may also weaken their immune systems and make them more susceptible to parasites, a link that is well established for cattle in Africa.

Indeed, Murray and his colleagues have found that moose populations in Minnesota decline more quickly in years with warmer summers. Parasites — and their main hosts, white-tailed deer — are also more likely to survive the milder winters of recent years, says Ron Moen of the University of Minnesota at Duluth.

Researchers have yet to prove a link to climate change. But Murray notes that lynx and snowshoe hares also are declining in the southern parts of their ranges. “We’re in the process of seeing a pretty dramatic change in the distribution of the boreal forest ecosystem,” he says.

New Scientist

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