Topic: Subject » Nature » Population

Population

Conservation, overpopulation and extinct and endangered species
Results 121 - 140 of 155
Jokim Githuka, 3, displays a portrait of his dead father, Robert Njoya, in a Kenyan maize field. Other sons stand by his grave with Njoya

Death in Happy Valley

A son of the colonial aristocracy goes on trial for killing a poacher in Kenya, where an exploding human population is heightening tensions and stretching resources to the breaking point
February 2007 | By Richard Conniff

Large vultures on the Indian subcontinent—once numbering in the tens of millions—have suddenly become endangered.

The Vanishing

Little noticed by the outside world, perhaps the most dramatic decline of a wild animal in history has been taking place in India and Pakistan. Large vultures, vitally necessary and once numbering in the tens of millions, now face extinction. But why?
February 2007 | By Susan McGrath

An absence of cougars has had a major impact on Zion

It All Falls Down

A plummeting cougar population alters the ecosystem at Zion National Park
December 01, 2006 | By Eric Jaffe

Female gypsy moths and eggs collect on the trunk of a host tree.

Unwelcome Guests

A new strategy to curb the spread of gypsy moths
November 16, 2006 | By Eric Jaffe

The U.S. ranks third in the world in population, behind China and India. But as the total number of people on the planet increases, demographers are focusing on problems that stem from a shrinking population in surprisingly large swaths of the developed world.

300 Million and Counting

The United States reaches a demographic milestone, thanks largely to immigration
October 2006 | By Joel Garreau

Camera traps, triggered by infrared sensors, allow biologists to estimate wildlife populations and, in some cases, identify individuals. Tigers have distinctive stripes.

Building An Arc

Despite poachers, insurgents and political upheaval, India and Nepal's bold approach to saving wildlife in the Terai Arc just may succeed.
July 2006 | By John Seidensticker and Susan Lumpkin

hippo populations

Hippo Haven

An idealistic married couple defy poachers and police in strife-torn Zimbabwe to protect a threatened herd of placid pachyderms
January 2006 | By Paul Raffaele

Return of the Jaguar?

Novel camera traps have documented the elusive cat in Arizona, suggesting it may not be gone from the United States after all
December 2005 | By Will Rizzo

35 Who Made a Difference: Daphne Sheldrick

When feelings of kinship transcend the species boundary
November 01, 2005 | By Douglas Chadwick

Oh Deer!

Contraception shows promise, but other measures may be needed to lessen the toll that the deer boom is having on forests and suburbs
October 2005 | By Anne Broache

Back from the Brink

Not every endangered species is doomed. Thanks to tough laws, dedicated researchers, and plenty of money and effort, success stories abound
September 2005 | By Daniel Glick

Ghost of a Chance

How did the ivory-billed woodpecker, which was feared extinct, hang on all these years?
August 2005 | By Scott Weidensaul

Peulh herdspeople, in an encampment above, tolerate the animals.

Saving Mali's Migratory Elephants

A new photo library of West Africa's desert elephants is helping researchers track the dwindling herd and protect their imperiled migration routes.
July 2005 | By Laura Helmuth

Seeing a Ghost

A woodpecker feared extinct reappears in Arkansas
June 2005 | By Laura Helmuth

A Puzzle In the Pribilofs

On the remote Alaskan archipelago, scientists and Aleuts are trying to find the causes of a worrisome decline in fur seals
March 2005 | By Doug O'Harra

bison

Back Home On The Range

When a group of Native Americans took up bison ranching, they brought a prairie back to life
February 2005 | By Leslie Allen

rangers apprehend a suspect in Dzanga-Ndoki National Park

Stop the Carnage

A pistol-packing American scientist puts his life on the line to reduce "the most serious threat to African wildlife"—the illegal hunting of animals for food—and to STOP THE CARNAGE
January 2005 | By Paul Raffaele

Fighting For Foxes

A disastrous chain of events nearly wiped out California's diminutive island fox. Scientists hope it's not too late to undo the damage
October 2004 | By Adele Conover and Andrew Curry

Chestnutty

Wielding cutting-edge science and lots of patience. James Hill Craddock hopes to restore the ravaged American chestnut tree to its former glory
September 2004 | By Susan Freinkel

Many of the 46 bat species in North America (an Indiana bat, about half its actual size) are threatened by loss of hibernation.

A Mine of Its Own

Where miners used to dig, an endangered bat now flourishes, highlighting a new use for abandoned mineral sites
May 2004 | By Douglas H. Chadwick


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