Wednesday December 11, 2019
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Using computer algorithm to catch the sound of endangered frogs

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Red legged frog. Image Source - Wikipedia
  • Red-legged frogs are listed as threatened under the Endangered Species Act.
  • Gary Kittleson a biologist is trying determine whether the conservation efforts are helping or not.
  • Many steps have been taken to find  the frogs and conserve them.

In the east of swamp in Santa cruz , Califorina,  Gary Kittleson a biologist and young explorer is trying find the rare red legged frogs. A local trust has hired him, to determine whether their number is growing or decreasing.

The Area called Watsonville Slough is a important habitat for the red legged frogs.

These frogs lost their habitat due to over hunting for frog legs and development, and now it is listed as threatened under the Endangered Species Act.

Kittleson says it is not a job to spot frog in thick brush and pick out their sound and differentiate from other frogs. The people who have untrained ears wouldn’t able to do it. But Gary is an expert and is capable listing to them even while talking.

But this method is an old way of counting animals and it requires lot of time and man power too. With just Kittleson one could get only a small size of data because he can’t be there the whole time.

Hence the local trust of Santa Cruz has also partnered with Conservation Metrics a company which specialises in protecting and conserving biological matters. The company and Kittleson have setup song meters – little green boxes with microphones that record all night and capture everything.

Data recorded in the song meter is then uploaded in computer and the company employees little green boxes with microphones that record all night and capture everything.  What would normally take a whole team of field biologists can now be done by one person and a computer says Matthew Mckown CEO of Conservation Metrics.

“Our whole point is to make conservation better, so we are trying to make it as cheap as possible,” he says.

Conservation Metrics was found three years ago. Mckown believes big data is the hot tool in conservation to study endangered animals and threatened habitats.

“What you’re going to start having is cameras, acoustic sensors, satellites trained on these important parts of the world,” he says.

Kittleson stays in the Watsonville Slough where night has fallen and he finally spots one and says “Beautiful. Adult red-legged frog,”

He is not too optimistic about the future of the red legged frogs. But he says good data is the only way to know if conservation efforts are helping.

by Bhaskar Raghavendran

Bhaskar is a graduate in Journalism and mass communication and a reporter at NewsGram. Twitter handle: bhaskar_ragha

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TikTok Security Concerns Raised By U.S. Army

National security experts have raised concerns about TikTok’s collection and handling of user data

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Tik Tok logo is displayed on the smartphone
Tik Tok logo is displayed on the smartphone while standing on the U.S. flag in this illustration picture. VOA

The U.S. Army is undertaking a security assessment of China-owned social media platform TikTok after a Democratic lawmaker raised national security concerns over the app’s handling of user data, Army Secretary Ryan McCarthy said Thursday.

Speaking to reporters at an event at the American Enterprise Institute think tank, McCarthy said he ordered the assessment after the top Democrat in the U.S. Senate, Chuck Schumer, asked him to investigate the possible risks in the military’s use of the popular video app for recruiting American teenagers.

“National security experts have raised concerns about TikTok’s collection and handling of user data, including user content and communications, IP addresses, location-related data, metadata, and other sensitive personal information,” Schumer wrote in a Nov. 7 letter to McCarthy.

Schumer said he was especially concerned about Chinese laws requiring domestic companies “to support and cooperate with intelligence work controlled by the Chinese Communist Party.”

Ryan McCarthy speaking about TikTok
Ryan McCarthy, the nominee to the Secretary of the Army, speaks during his Senate Armed Services Committee confirmation hearing, in Washington. VOA

The Committee on Foreign Investment in the United States (CFIUS) has launched a national security review of TikTok owner Beijing ByteDance Technology Co.’s $1 billion acquisition of U.S. social media app Musical.ly.

TikTok did not immediately respond to a request for comment.

The company has previously emphasized its independence from China but has failed to assuage congressional concerns about the security of the personal data of U.S. citizens who use the platform and whether content on the platform is subject to any censorship from Beijing.

In a Nov. 5 blog post, TikTok’s U.S. general manager, Vanessa Pappas, said that the company’s data centers “are located entirely outside of China.” She said U.S. user data is stored in the United States, with backup redundancy in Singapore.

ByteDance is one of China’s fastest-growing startups. About 60% of TikTok’s 26.5 million monthly active users in the United States are between the ages of 16 and 24, the company said this year.

Earlier this year, Schumer also called on the FBI and the Federal Trade Commission to conduct a national security and privacy investigation into FaceApp, a face-editing photo app developed in Russia.

ALSO READ: U.S. Army Sparks an Industry Battle After it Looks For Robots.

The potential for the sharing of army information through the use of apps was highlighted after researchers found in 2018 that fitness-tracking app Strava was inadvertently exposing military posts and other sensitive sites.

In 2017, the Army ordered its members to stop using drones made by Chinese manufacturer SZ DJI Technology Co Ltd because of “cyber vulnerabilities” in the products. (VOA)