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Big Cat Species face the Same Challenges as their Ancestors that went extinct towards the end of the last Ice Age: Study

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London, May 11, 2017: Big cat species, especially African lion and Sunda clouded leopard, face the same challenges as their ancestors that went extinct towards the end of the last Ice Age, a new study says.

The team researched the cause of extinction of seven large cats from the Ice Age including four different types of sabre-toothed cats.

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The seven big cats that went extinct during that period are those which lost the greatest proportion of their prey, showed the study published in the journal Ecography.

Using a new global database of felid diets called FelidDiet, the researchers assessed whether Ice Age extinction trends could be applied to populations of big cat species now.

They discovered that if all the currently threatened and declining prey species within big cat natural ranges were to go extinct, only 39 percent of the African lion’s prey and 37 percent of Sunda clouded leopard’s would remain.

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The researchers believe that if this prey loss trend continued, this would pose a high risk of extinction to these two big cat species in particular.

Prey decline puts tiger, leopard and cheetah at risk too, the researchers said.

“If primary big cat prey continues to decline at such a rate, then big cats, including lion, Sunda clouded leopard, tiger and cheetah, are at high risk of extinction,” said Chris Sandom from the University of Sussex in Britain.

“The Churchillian aphorism that those that fail to learn from history are doomed to repeat it was painfully in mind when we saw how many of the prey of lions and in East Africa and of clouded leopards in Indo-Malaya look set to go down the same drain which their counterparts in other regions have already been flushed,” said Professor David Macdonald, Director of the University of Oxford’s Wildlife Conservation Research Unit.

“We need to buck this Ice Age trend once and for all and to reinforce the urgent need for governments to protect both big cat species and their prey,” Sandom added. (IANS)

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USA: Everything you want to know about Security Clearance; Find out here!

A security clearance allows a person access to classified national security information or restricted areas.

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Former CIA Director John O. Brennan speaks at the Council on Foreign Relations in Washington, March 11, 2014. President Donald Trump revoked Brennan's security clearance Wednesday. VOA
Former CIA Director John O. Brennan speaks at the Council on Foreign Relations in Washington, March 11, 2014. President Donald Trump revoked Brennan's security clearance Wednesday. VOA

U.S. President Donald Trump on Wednesday revoked the security clearance of former CIA Director John Brennan. We take a look at what that means.

What is a security clearance?

A security clearance allows a person access to classified national security information or restricted areas after completion of a background check. The clearance by itself does not guarantee unlimited access. The agency seeking the clearance must determine what specific area of information the person needs to access.

What are the different levels of security clearance?

There are three levels: Confidential, secret and top secret. Security clearances don’t expire. But, top secret clearances are reinvestigated every five years, secret clearances every 10 years and confidential clearances every 15 years.

All federal agencies follow a list of 13 potential justifications for revoking or denying a clearance. VOA
All federal agencies follow a list of 13 potential justifications for revoking or denying a clearance. VOA

Who has security clearances?

According to a Government Accountability Office report released last year, about 4.2 million people had a security clearance as of 2015, they included military personnel, civil servants, and government contractors.

Why does one need a security clearance in retirement?

Retired senior intelligence officials and military officers need their security clearances in case they are called to consult on sensitive issues.

Also Read: Governments Across The World Request Apple for 30,000 Device Information

Can the president revoke a security clearance?

Apparently. But there is no precedent for a president revoking someone’s security clearance. A security clearance is usually revoked by the agency that sought it for an employee or contractor. All federal agencies follow a list of 13 potential justifications for revoking or denying a clearance, which can include criminal acts, lack of allegiance to the United States, behavior or situation that could compromise an individual and security violations. (VOA)