Friday January 19, 2018
Home U.S.A. Using compute...

Using computer algorithm to catch the sound of endangered frogs

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Red legged frog. Image Source - Wikipedia
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  • 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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Yellowstone National Park: A magnificent place to explore

America’s first national park – Yellowstone. It's also the first national park in the world, established by Congress in 1872, even before the National Park Service was set up.

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Yellowstone National Park: A magnificent place to explore
More than half the world's geysers are in Yellowstone National Park. VOA

January 2, 2018: When you think about America’s national parks, what probably comes to mind first is America’s first national park – Yellowstone. It’s also the first national park in the world, established by Congress in 1872, even before the National Park Service was set up.

Yellowstone sits on an active volcano, the source of the more than 10,000 geothermal features in the park, including more than half the world’s geysers. National Parks traveler Mikah Meyer made sure he caught the eruption of the best-known of its 500 geysers – Old Faithful, which shoots a column of superheated water up to 42 meters into the air, every 60 to 110 minutes.

“They have geysers that range from Old Faithful to these geysers that are basically holes in the ground that give a glimpse into what the bubbling boiling earth underneath is like.”

And some of what bubbles up is mud. Mikah describes these ‘mudpots’ as a witch’s cauldron. “They look like some sort of witch’s concoction because you’re just walking along this boardwalk and suddenly to your left and your right you’ve got these giant mud pools that are bubbling up in random spots, and so it really is a place where you can see the earth’s underbelly.”

The thousands of steam vents in Yellowstone give off a powerful sulfur odor.
The thousands of steam vents in Yellowstone give off a powerful sulfur odor. VOA

He noted a constant feature of the park — steam. “Anywhere you are in the park it always seems like somewhere in your 360° view you’ll see some steam rising out of the ground.” These fumaroles, or steam vents, are the hottest hydrothermal features in the park, with temperatures as high as 138°Celsius.

Yellowstone is also home to thermophile microbes, which thrive in the hot springs. Trillions of these microorganisms are grouped together, so they appear as masses of color. Since different types of thermophiles live at different temperatures within a hot spring, they produce what looks like a rainbow in the water.

Grand Prismatic Spring is Yellowstone's largest hot spring. It's about 112.8 meters across and more than 37 meters deep.
Grand Prismatic Spring is Yellowstone’s largest hot spring. It’s about 112.8 meters across and more than 37 meters deep. VOA

And it’s not just hot water shooting up… Yellowstone also has 350 identified waterfalls that tumble down more than 4 1/2 meters. The Lower Falls of the Yellowstone River is the tallest cascade in the park. At 94 meters, it’s twice as high as Niagara Falls.

An abundance of wildlife

Many of the more than 4 million visitors to Yellowstone each year come to see one of the symbols of the American West. Yellowstone is the only place in the United States where bison have lived continuously since prehistoric times, and the park’s herd of 4,000 to 5,000 animals represents the last-known wild bison population in the world.

Grand Prismatic Spring is Yellowstone's largest hot spring. It's about 112.8 meters across and more than 37 meters deep.
Grand Prismatic Spring is Yellowstone’s largest hot spring. It’s about 112.8 meters across and more than 37 meters deep. VOA

Mikah said they really catch visitors’ eyes. “I have this video of what I call a Yellowstone traffic jam which is basically anytime there’s any sort of animal on the side of the road, everyone seems to stop their car and take pictures or pull over and it’s an instant traffic jam!”

But bison aren’t the only iconic animals in the park. Yellowstone is home to the largest concentration of mammals in the lower 48 states, including predators like grey wolves and bears, and large herbivores, like big horn sheep, elk and moose.

Two decades ago, 41 wild gray wolves from Canada and northwest Montana were released in Yellowstone National Park to start a recovery effort. Today, the park is home to more than 100 animals in eleven packs. (NPS/Jim Peaco)
Two decades ago, 41 wild gray wolves from Canada and northwest Montana were released in Yellowstone National Park to start a recovery effort. Today, the park is home to more than 100 animals in eleven packs. (NPS/Jim Peaco). VOA

There are nearly 300 species of birds, 16 species of fish, five species of amphibians, and six species of reptiles.

But the main draw remains the regular eruption of Old Faithful. “If you’re on the hunt for geysers,” Mikah concludes, “you really can’t do much better than Yellowstone National Park.” (VOA)