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Can Fencing Help Save Lions?

Can Fencing Help Save Lions?

A new study published this month in the journal Ecology Letters has suggested that fencing lions in to keep them safe from humans may be the best alternative to dealing with their rapid decline, but not everyone agrees.

One thing is certain: Africa’s lions are quickly disappearing. Some estimate their population has fallen by 80 percent in the past 50 years, leaving only 20,000 to 30,000 left in the wild on 25 percent of their natural habitat, which may now require drastic measures, such as fencing them in, to keep them from disappearing entirely.

The study was led by the University of Minnesota’s Professor Craig Packer and co-authored by a large team of lion biologists who believe that nearly half of the unfenced populations may decline to near extinction over the next 20-40 years and concluded that fenced reserves have a higher density and faster growth than populations on open land after consulting with conservation managers in 11 African countries.

“More and more people live in fairly rural areas where there is wildlife, but those people rely on livestock, so they’re really coming into conflict often with lions,” co-author Dr. Luke Hunter of Panthera, a conservation organization based in the U.S. told LiveScience. “They just see them as a really dangerous enemy.”

ScienceNOW reports that:

Lions are doing relatively well in a few unfenced parks, such as Nairobi National Park in Kenya, but these places must spend much more money. Antipoaching patrols and other management costs in unfenced parks can run more than $2000 per square kilometer annually while fostering only half the number of possible lions. In contrast, a fenced reserve can attain 80% of its maximum population density at a quarter of the cost. The difference could be critical for the future of lions; the study found that almost half of unfenced lion populations may sink to less than 10% of their potential size over the next 2 to 4 decades.

As far as exact costs go, the study showed that the initial cost of building fences is high, about $3000 per kilometer, in the long run it will cost $500 per square kilometer to maintain every year – compared to the $2000 per square kilometer to maintain fewer lions in unfenced areas.

Co-author Professor Stephen Garnett, an expert in conservation management at Charles Darwin University believes the idea of fencing large reserves runs counter to current conservation practices that encourage coexistence through conflict management and compensation programs, according to the Australian Broadcasting Corporation. However, he notes that expanding human populations are putting pressure on wildlife that could mean the developing entirely new tactics when it comes to saving species.

Concerns were also raised about how fences will affect and disrupt migrating species, but it is still being argued as the best option for saving lions.

“No one wants to resort to putting any more fences around Africa’s marvellous wild areas, but without massive and immediate increases in the commitment to lion conservation, we may have little choice,” said Hunter.


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Why Are Africa’s Lions Disappearing


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Photo credit: Thinkstock

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8:24PM PDT on Mar 14, 2014

Thanks for sharing.

3:29AM PDT on Apr 24, 2013

Thanks for sharing

3:09AM PDT on Apr 24, 2013

i agree eternal g,thank you for sharing

10:45AM PDT on Apr 20, 2013

thanks for sharing

7:09PM PDT on Mar 31, 2013

I agree, humans would be best fenced in. We have long been out of control. The lions and other non-human lives are not the problem.

7:41PM PDT on Mar 30, 2013

Fencing lions? Why? Get out of their territory!!! We humans don't own every inch of planet hearth!! Nature only made one mistake and that is us humans, greedy, selfish specie.

7:32PM PDT on Mar 30, 2013

We need to start seriously thinking of fencing in humans instead....overpopulation anyone???

12:52PM PDT on Mar 27, 2013

Thought provoking.

10:25AM PDT on Mar 27, 2013

Why should we be fencing these animals in when it's humans who cannot leave well enough alone???? That is not the solution. That is tantamount to imprisoning them and that's not right.

What a sad testament to the state of the world in which we live, which humans are 100% responsible in creating. We litter the earth, we poison the land and the air and the water, we abuse and maim and torture and kill any species that gets in our way. We think we are the superior species when in fact we are just a dispicable lot.

7:10PM PDT on Mar 25, 2013

No we just have to fence in all idiotic humans!

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David - was there something else of relevance in your post? I must have missed it. LOL

Al H., at least you don't deny the rest of what I wrote.

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